A filter cloth in a press filter, which press filter has filter frames. The filter cloths have integrally formed structure for attachment to the filter frames without tools.
A filter cloth in a press filter, which press filter has filter frames. The filter cloths have integrally formed structure for attachment to the filter frames without tools.
Each filter cloth (10) has opposite side edges (13, 14) and a bottom edge (12). Each filter cloth (10) is configured to cover the operating surfaces of the filter frame and to be attached at least at the side edges (13, 14) of the filter cloth/-s (10). Each filter cloth (10) has at least at one side edge (14) fastening elements (21) and at least at the other side edge (13) counter fastening elements (22) to be fastened to each other and configured to form attachments (20) of the filter cloth (10) to the filter frame and the fastening elements (21) and the counter fastening elements (22) are integrally formed with the filter cloth.
B01D 25/164 - Presses à chambre et à plaque, c.-à-d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B01D 25/176 - Fixation de l'élément filtrant aux plaques du filtre-presse, p. ex. autour de l'orifice central d'alimentation des plaques
2.
Method of a Set Change in a Slitter-Winder and a Slitter-Winder Comprising a Set Change System
A set change is performed in a winder (10) of a slitter-winder. Partial webs have an adhesive applied and the partial webs are cut by a cutting device (22). Completed customer rolls (15) are removed by a roll pusher (21) on a overhead pivot arm (34). New cores are set on support of the winding drums (11, 12) by a core placer to begin winding of the next set of customer rolls (15). Simultaneously with the movement of the roll pusher (21) back to its rest position a rider roll unit (20) is moved downwards towards its position at the beginning of the winding of the next set of customer rolls (15).
22 so as to produce a stripper off-gas, feeding the stripper off-gas to a sulfuric acid plant, and producing sulfuric acid from the stripper off-gas. Further, a system as well as use of the same for recovering chemicals in a Kraft pulp mill are provided.
The invention relates to a system for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The system comprises a pyrolysis reactor (100) for pyrolyzing pyrolyzable material (PM), a first particle separator (200) for separating the pyrolytic vapours (PV) and a first solid material fraction (SF1) from a pyrolysis product feed, and a particulate material heater (300) for heating the first solid material fraction. The particulate material heater (300) comprises second distributors (320) for feeding second fluidizing gas (Gas2) into the particulate material heater (300) to fluidize particulate material within the particulate material heater (300) and an electric heater (310) configured to electrically heat particulate material arranged in the particulate material heater (300). The invention relates also to a method for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The method comprises at a first period, heating the particulate material arranged in the particulate material heater (300) using an electrical heater (310), guiding heated particulate material from the particulate material heater (300) into the pyrolysis reactor (100).
C10B 49/22 - Distillation destructive des matières carbonées solides par chauffage direct au moyen d'agents porteurs de chaleur, y compris la combustion partielle de la matière à traiter avec des porteurs de chaleur solides, mobiles, sous forme divisée sous forme dispersée selon la technique du "lit fluidisé"
C10B 53/07 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale de matières polymères synthétiques, p. ex. pneumatiques
5.
Adhesive application device for a turn-up system of a reeler of a fiber web production line, and a turn-up system and method of a reeler for reeling fiber webs
The invention relates to an adhesive application device (50) for a turn-up system of a reeler of a fiber web production line, which comprises a melter (40) and an adhesive applicator (20), which adhesive applicator (20) comprises nozzles (31), in which adhesive application device (50) the melter (40) is connected to the adhesive applicator (20) via a feed channel (42) for providing adhesive to the nozzles (31) of the adhesive applicator (20). The melter (40) is a hotmelt adhesive melter (40). The adhesive applicator (20) is a high pressure hotmelt adhesive applicator (20) comprising an applicator head (21), a high-pressure pump unit (22), a linear actuator (23) and a linear actuator mover (24), and the high-pressure pump unit (22) is driven by the linear actuator (23) and the linear actuator mover (24).
B05C 1/08 - Appareillages dans lesquels un liquide ou autre matériau fluide est appliqué à la surface de l'ouvrage par contact avec un élément portant le liquide ou autre matériau fluide, p. ex. un élément poreux imprégné du liquide à appliquer sous forme de revêtement pour appliquer un liquide ou autre matériau fluide à un ouvrage de longueur indéfinie en utilisant un rouleau
A boiler in the form of a furnace comprises at least two side walls, at least two end walls, a roof, and a bottom. A distance between the at least two end walls defines a depth (D) of the furnace, and a direction between the at least two end walls is a depth direction (Dd). At least one beam extends in the depth direction (Dd). The beam is positioned under the bottom for supporting the bottom, and the beam is also positioned between the at least two side walls at a distance from each side wall. The ends of the beam extend under the vertical portions of the at least two end walls. At least one rod is between each end of the beam and the corresponding vertical portion of the side wall. The rods transfer a load from the beam to the vertical portions of the end walls.
F22B 37/24 - Dispositifs de support, de suspension ou de montage, p. ex. faisant écran à la chaleur
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
7.
A METHOD AND A SYSTEM FOR PRODUCING AND TRANSFERRING HEAT, AND A THERMAL MIXING UNIT
F23C 10/00 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules
B01J 8/38 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées selon la technique du "lit fluidisé" le lit fluidisé comportant un dispositif rotatif ou étant soumis à une rotation
C10B 49/22 - Distillation destructive des matières carbonées solides par chauffage direct au moyen d'agents porteurs de chaleur, y compris la combustion partielle de la matière à traiter avec des porteurs de chaleur solides, mobiles, sous forme divisée sous forme dispersée selon la technique du "lit fluidisé"
C10G 9/32 - Craquage thermique non catalytique, en l'absence d'hydrogène, des huiles d'hydrocarbures avec des matériaux solides mobiles préchauffés selon la technique du "lit fluidisé"
F23C 10/10 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée l'appareil de séparation étant situé à l'extérieur de la chambre de combustion
F23C 10/26 - Dispositifs pour enlever de la matière du lit combinés avec des dispositifs pour réintroduire partiellement de la matière dans le lit, p. ex. après séparation des éléments agglomérés
F23C 10/32 - Dispositifs de commande spécialement adaptés aux appareils de combustion à lit fluidisé pour commander le niveau du lit ou la quantité de matière dans le lit en réglant le taux de recirculation des particules séparées des gaz de fumée
F27B 15/02 - Parties constitutives, accessoires ou équipement spécialement adaptés à ces types de fours
F28D 13/00 - Appareils échangeurs de chaleur utilisant un lit fluidisé
F28D 19/02 - Appareils échangeurs de chaleur de régénération dans lesquels l'agent ou la masse intermédiaire de transfert de chaleur est amené successivement en contact avec chacune des sources de potentiel calorifique utilisant des particules granulées
A grate arrangement and a method for use in a fluidized-bed boiler. The arrangement comprises a grate having length and width defining the area of said grate, plurality of gas feeding means being distributed on the area of the grate, a gas supply system connected to the plurality of gas feeding means for supplying fluidizing gas above the grate, and a booster gas supply system connected to at least some of the plurality of gas feeding means for supplying booster gas above the grate. The gas feeding means are grouped in at least two feeding groups, each of which feeding groups is extending only to a subarea of the area of the grate. Controlling means are arranged for controlling the systems so that while at least one of the feeding groups is open to the gas supply system for feeding fluidizing gas above the grate, at least one another of the feeding groups is closed to said gas supply system and open to the booster gas supply system.
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
F23C 9/00 - Appareils à combustion caractérisés par des dispositions pour renvoyer les produits de combustion ou les gaz de fumée dans la chambre de combustion
F23C 10/28 - Dispositifs de commande spécialement adaptés aux appareils de combustion à lit fluidisé
9.
Assembly for Handling Reel Spools and a Reel-up - Unwinder System for a Fiber Web Production Line
An assembly for handling reel spools (55) has spaced parallel horizontal support rails (12) and parallel vertical support elements (13; 15). Each of the horizontal support rails (12) extends between two of the vertical elements (13, 15) such that one vertical support element (13; 15) is arranged at each end of the support rail (12). Hoisting devices (30) are mounted to vertical elements at an unwinder end for raising reel spools above the rails for transfer to a reel spool transfer device (40) arranged on the support rails (12) which is movable to transport a hoisted reel spool to an opposite end where the reel spools are received by lowering devices (70). The invention also relates to a reel-up-unwinder system for a fiber web production line.
The invention relates to a reel-up (30) with a cleaning device (20), which reel-up (31) comprises a rotatable reeling cylinder (31), support structure (32, 33) configured to support the reeling cylinder (31) at each end of the reeling cylinder (31). The cleaning device (20) is configured to clean the surface of the reeling cylinder (31) and the cleaning device (20) comprises a beam (13) extending in longitudinal direction of the reeling cylinder (31) at a distance from the reeling cylinder (31) and at least one to the beam (13) movably along the beam (31) attached cleaning nozzle (24; 25). The invention also relates to a modified reel-up (30) with a cleaning device (20).
A ductwork (100) suitable for leading flue gas from a flue gas outlet (811) of a pulp mill or a power plant to air pollution control equipment (900) The ductwork (100) comprises a first main duct (110) extending in a longitudinal direction (dL) from a first inlet (111) to a first outlet (121) and configured to lead flue gas in the longitudinal direction (dL) from the first inlet (111) to the first outlet (121).The first main duct (110) is equipped with a mechanical conveyor (200) such that the mechanical conveyor (200) is configured to convey ash in the longitudinal direction (dL) or in a direction (-dL) reverse thereto. Use of the ductwork (100) for cleaning flue gas. Use of the ductwork (100) for constructing or upgrading a part of a pulp mill or a power plant.
F23J 3/00 - Enlèvement des résidus solides se trouvant dans les passages ou dans les chambres situés au delà du foyer, p. ex. dans les conduits de fumée par souffleurs de suie
A refining segment (4) for a refiner (1) for refining lignocellulose-containing fibrous material. The refining segment comprises an inner end edge (20) and an outer end edge (21) opposite to the inner end edge, and a refining surface (5) comprising refining bars (25) and refining grooves (26) therebetween. The refining surface comprises at least one recess (27, 27’, 27”) extending from the outer end edge of the refining segment at least partly towards the inner end edge for forming at least partly at least one backflow guide groove (28) extending from the outer end edge of the refining segment at least partly towards the inner end edge. A volume of the at least one recess is arranged to decrease towards the inner end edge for providing the volume of the at least one backflow guide groove to decrease towards the inner end edge.
A loading device (10) is used to adjust the size of a blade gap (9) in processing equipment for processing fibrous material. The loading device has a gearing (12) coupled in connection with a processing element (5, 6) to move the processing element (5, 6) in respect of another processing element (5, 6) for adjusting the size of the blade gap (9) between the processing elements. A cage induction motor (14) has a shaft (15) coupled to the gearing for operating the gearing, a position sensor (16) for measuring a rotational position (M-RP) of the shaft of the motor for indicating a position of the processing element in respect of the another processing element, and a frequency converter (17) coupled to the position sensor and to the motor for controlling the operation of the motor based on the measured rotational position of the shaft of the motor.
A refining segment (4, 8) for a refiner (1) for refining fibrous material has a body (20) with a front side (21) and a backside (22). The front side has a refining surface (5, 9) and the backside has a background surface (23). The refining segment has a first end edge (15) and a second end edge (16) opposite to the first end edge, and a first side edge (17) and a second side edge (18) opposite to the first side edge. The first side edge and the second side edge extend between the first end edge and the second end edge. The refining segment has backside support projections (29, 30) which project from the background surface and extend substantially along the first side edge and the second side edge without support projections extending substantially along the first end edge and the second end edge on the background surface.
A cyclone for separating solid material from a mixture of the solid material and a gaseous substance. The cyclone comprises a cylindrical body having a central axis in a first direction and an inlet channel. The cyclone is configured to let out the solid material from the cylindrical body in the first direction. An interior of the inlet channel tapers in the first direction towards a bottom of the inlet channel. Additionally, the cyclone comprises nozzles arranged at the bottom of the inlet channel, the nozzles being configured to feed gas to the inlet channel for enhancing flow of the solid material at the bottom of the inlet channel. A thermal system comprising the cyclone. Use of the cyclone such that the first direction is downwards.
F23C 10/08 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
16.
Method for treating textile fibers of different lengths
Textile fibers of different lengths are fractionated in a liquid medium at a predetermined consistency into at least two fractions on the grounds of the fiber length, the two fractions being a first accept and a second accept. The second accept, which has longer fibers than the first accept, is led to a refining step in the liquid medium, and the refined fibers are fractionated in the liquid medium into at least two fractions on the grounds of the fiber length.
The invention relates to a method and an unwinding section for unwinding a fiber web from a parent roll, which unwinding section comprises at least one unwinder for unwinding a fiber web from a parent roll and a joining device configured to join a trailing end of a running-out parent roll to a beginning end of a next, new parent roll to be unwound in a parent roll change. The unwinding section comprises a broke handling device configured to handle broke. The unwinding section comprises a tensioning device located between the joining and the broke handling, and the tensioning device is configured to tension and straighten the fiber web to be joined between the tensioning device and the joining device before joining of the end of the fiber web from the running-out parent roll and the end of the fiber web from the next parent roll to be unwound.
The invention relates to a method and an apparatus for converting wax to oil in a pyrolysis process, wherein a feed comprising plastic is fed to a pyrolysis reactor, and the feed is pyrolyzed to form a pyrolysis product. At least a wax fraction is separated from the pyrolysis product in a separation unit, and the wax fraction can be supplied to a visbreaking unit in which the wax fraction is cracked to form at least an oil product comprising aliphatic compounds.
C10G 1/00 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon
C10G 1/10 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon à partir de caoutchouc ou de déchets de caoutchouc
C10G 9/00 - Craquage thermique non catalytique, en l'absence d'hydrogène, des huiles d'hydrocarbures
B01D 25/164 - Presses à chambre et à plaque, c.-à-d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B01D 25/176 - Fixation de l'élément filtrant aux plaques du filtre-presse, p. ex. autour de l'orifice central d'alimentation des plaques
The invention relates to a filter cloth of a press filter, which press filter comprises filter frames, which filter cloth/-s (10) comprise side edges (13, 14) and a bottom edge (12) and which filter cloth/-s (10) are configured to cover the operating surfaces of the filter frame and to be attached at least at side edges (13, 14) of the filter cloth/-s (10). The filter cloth/-s (10) has/have at least at one side edge (14) fastening elements (21) and at least at the other side edge (13) counter fastening elements (22) to be fastened to each other and configured to form attachments (20) of the filter cloth/-s (10) at the filter frame and the fastening elements (21) and the counter fastening elements (22) are made directly to the filter cloth/-s.
B01D 25/164 - Presses à chambre et à plaque, c.-à-d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B01D 25/176 - Fixation de l'élément filtrant aux plaques du filtre-presse, p. ex. autour de l'orifice central d'alimentation des plaques
21.
WALL FOR A FLUIDIZED BED BOILER AND A FLUIDIZED BED BOILER
A wall (200) for a fluidized bed boiler (300). The wall (200) comprises a first heat exchanger pipe (110) comprising a first primary portion (111) and a first secondary portion (112), and a second heat exchanger pipe (120) comprising a second primary portion (121) and a second secondary portion (122). A first gap (221) is arranged between the first secondary portion (112) and the second secondary portion (122), and at least a part of the first secondary portion (112) and at least a part of the second secondary portion (122) extend straight, in parallel, and within an imaginable plane (P). The wall (200) is configured such that particulate material is able to propagate through the first gap (221) from a first side (S1) of the plane (P) to the opposite second side (S2) of the plane (P). The wall (200) comprises a refractory (230) arranged on at least one side of a part of the first secondary portion (112) and a part of the second secondary portion (122). A fluidized bed boiler comprising the wall (200).
F23C 10/12 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant mises en circulation uniquement à l'intérieur de la zone de combustion
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
A grate assembly for use in a bottom section (28) of a combustion chamber (12) of a fluidized bed boiler (10), comprising: a grate bottom wall (32); a protective refractory material layer (36); a plurality of nozzle devices (38) for supplying fluidizing primary air; at least one grate module (40) formed on the grate bottom wall (32). Each grate module (40) comprises a solids removal opening (42); a plurality of concentric landings (46) formed in the refractory material layer (36) and separated by frontal surfaces (48) between the landings. Each frontal surface (48) surrounds one of the landings and follows the shape of the perimeter of a rectangle or a rectangle with at least one shaped corner. The landings (46) define a stepped structure. Each landing comprises a group of the nozzle devices embedded in the refractory material layer (36) and adapted to jet the air through one of the frontal surfaces (48) along one of the landings (46) that is adjacent to the frontal surface.
A joint for joining ends of at least two fiber webs together, the joint being formed of at least one cut provided to penetrate through the ends of the fiber webs in an overlapping position, which cut has at least one side part and from the side part extending at least one substantially straight part and which cut, which forms at least one flap, being configured to remain attached to the fiber webs by at least one folding line substantially aligned with the direction of the movement of the fiber webs.
A debarking drum (1) for the debarking of wood (2) has an essentially horizontal cylindrical drum (10) supported to revolve around its longitudinal axis. The drum has a first end (12) and a second end (14) with an inner surface with inwardly projecting longitudinally extending debarking iron sections (16). Bark openings or slots (20) extend through the drum inner surface (18) and multiple rigid studs (22) protrude inwardly from the inner surface (18) and are positioned between the debarking iron sections (16). The studs operate to break the bark (3) of the wood (2) for debarking. The studs (22) are positioned along a partial length (L) of the drum (10) between the first end (12) and the second end (14). The invention also relates to a method and system for the debarking of wood by the debarking drum.
B27L 1/02 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet par frottement des troncs les uns contre les autresÉquipement pour l'écorçage humide
25.
METHOD FOR FORMING A MOLDED FIBER PRODUCT AND A MOLDED FIBER PRODUCT
A method for forming a molded fiber product includes forming a layer of foam including fibers, water, air and foaming chemical by a pair of molds. In addition, in the method, foam is fed between the molds, and the pair is closed and opened. Foam is fed via one of the molds while the pair is sealed from its sides.
B29C 44/38 - Alimentation en matière à mouler dans une cavité de moulage fermée, c.-à-d. pour la fabrication d'objets de longueur définie
B29C 44/02 - Moulage par pression interne engendrée dans la matière, p. ex. par gonflage ou par moussage pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés
According to an example aspect of the present invention, there is provided a press felt (100) having a seam and a web-side and a machine-side, the press felt (100) comprising a first fibre layer (131) on the web-side, a second fibre layer (132) on the machine-side, and at least one woven base fabric (110) and at least one spiral fabric (120) between the fibre layers (131, 132).
A method for manufacturing a refining segment (4, 8) for refining fibrous material, and a refining segment (4, 8) for a refiner (1) for refining fibrous material. The method comprises arranging at least one set of profiled wires (22) next to each other and substantially immovable with respect to each other, wherein a width (Wa) of a bottom (22a) of the profiled wire (22) is different from a width (Wb) of a top (22b) of the profiled wire (22), to form at least one refining bar element (24), and fastening the at least one refining bar element (24) onto a back plate (19), wherein said back plate forms a body of the refining segment (4, 8), by applying at least one solidifying substance (25) between the at least one refining bar element (24) and the back plate (19).
The invention relates to a bracket for a pivot rod in a doctor arrangement. The bracket has a base with a mounting aperture and adjacent ears with a hole for a pivot rod arranged perpendicular to the base. The bracket is a cast or 3D-printed piece. The invention also relates a doctor arrangement for a fiber web machine.
A method for heating a heat exchange medium in a fluidized bed boiler (100), the method comprising burning first fuel (165) in a first furnace (162) of the fluidized bed boiler (100) to produce first flue gas (163); recovering heat from the first flue gas (163) to a heat exchange medium using a first heat exchanger (310); conveying the heat exchange medium from the first heat exchanger (310) to a second heat exchanger (320), of which at least a part is arranged in contact with a fluidized bed of the fluidized bed boiler (100); burning second fuel (175) in a second furnace (172) of the fluidized bed boiler (100) to produce second flue gas (173); conveying the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recovering heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330). A fluidized bed boiler (100) for performing the method. A loopseal heat exchanger (400) that is, when installed in a loopseal of a circulating fluidized bed boiler, configured to burn second fuel (175) in a second furnace (172) of the loopseal heat exchanger (400) to produce second flue gas (173); convey the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recover heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330).
F22B 31/04 - Production de la chaleur par une installation comportant plusieurs appareils à combustion, p. ex. comportant des appareils à combustion distincts respectivement pour la chaudière et le surchauffeur
F01D 15/10 - Adaptations pour la commande des générateurs électriques ou combinaisons avec ceux-ci
F23C 6/02 - Appareils à combustion caractérisés par la combinaison d'au moins deux chambres de combustion disposées parallèlement
F28D 13/00 - Appareils échangeurs de chaleur utilisant un lit fluidisé
H02K 7/18 - Association structurelle de génératrices électriques à des moteurs mécaniques d'entraînement, p. ex. à des turbines
F23C 10/10 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée l'appareil de séparation étant situé à l'extérieur de la chambre de combustion
A grate arrangement and a method for use in a fluidized-bed boiler. The arrangement (100) comprises a grate (1) having length (L) and width (W) defining the area (A) of said grate, plurality of gas feeding means (2) being distributed on the area (A) of the grate, a gas supply system (3) connected to the plurality of gas feeding means (2) for supplying fluidizing gas above the grate (1), and a booster gas supply system (4) connected to at least some of the plurality of gas feeding means (2) for supplying booster gas above the grate (1). The gas feeding means (2) are grouped in at least two feeding groups (5), each of which feeding groups (5) is extending only to a subarea (S) of the area (A) of the grate. Controlling means (6, 7) are arranged for controlling the systems (3, 4) so that while at least one of the feeding groups (5) is open to the gas supply system (3) for feeding fluidizing gas above the grate (1), at least one another of the feeding groups (5) is closed to said gas supply system (3) and open to the booster gas supply system (4).
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
F23C 9/00 - Appareils à combustion caractérisés par des dispositions pour renvoyer les produits de combustion ou les gaz de fumée dans la chambre de combustion
F23C 10/28 - Dispositifs de commande spécialement adaptés aux appareils de combustion à lit fluidisé
31.
Slitter-winder and fiber web production line control system
A system (50) for controlling performance of a slitter-winder (25) and/or a fiber web production line (100) has an advisor unit (34, 36, 37) with a processor and a memory including computer program code, configured to cause the advisor unit (34, 36,37) to generate and transmit signals as first control data to the slitter-winder (25) and/or as second control data to the fiber web production line (100) based on information data received from the slitter-winder (25) and the fiber web production line (100) to control performance of the slitter-winder (25) and/or the fiber web production line (100). Performance of a slitter-winder (25) and/or a fiber web production line is controlled by receiving information data from the slitter-winder and the fiber web production line (100), processing the received information data according to a predetermined configuration, based on the processed data; generating signals according to the predetermined configuration to control the performance.
B26D 1/14 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant autour d'un axe avec un élément circulaire, p. ex. un disque
B26D 5/32 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe l'organe de coupe et d'avance de la pièce ayant une action conjuguée l'organe de coupe étant commandé par balayage d'un support d'enregistrement le support d'enregistrement étant formé par la pièce elle-même
B65H 35/00 - Délivrance d'articles à partir de machines à découper ou à perforer linéairementAppareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p. ex. distributeurs de bande adhésive
B65H 43/00 - Utilisation de dispositifs de commande de vérification ou de sécurité, p. ex. dispositifs automatiques comportant un élément pour détecter une variable
32.
SYSTEM OF CONTROLLING PERFORMANCE A SLITTER-WINDER AND/OR THE FIBER WEB PRODUCTION LINE AND A METHOD OF CONTROLLING PERFORMANCE A SLITTER-WINDER AND/OR A FIBER WEB PRODUCTION LINE
The invention relates to a system (50) for controlling performance of a slitter-winder (25) and/or a fiber web production line (100). The system (50) comprises an advisor unit (34, 36, 37) comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code are configured, with the at least one processor, to cause the advisor unit (34, 36,37) to generate and transmit signals as first control data to the slitter-winder (25) and/or as second control data to the fiber web production line (100) based on first information data received from the slitter-winder (25) and based on second information data received the fiber web production line (100) to control the performance of the slitter-winder (25) and/or the fiber web production line (100). The invention relates also to a method of controlling performance of a slitter-winder (25) and/or a fiber web production line (100). The method comprises: receiving first information data from slitter-winder (25), receiving second information data from fiber web production line (100), processing the received first and second information data according to predetermined configuration, based on the processed data, generating signals according to predetermined configuration to control the performance of the fiber web production line (100) and/or the slitter-winder (25).
B65H 26/00 - Dispositifs de sécurité ou d'avertissement, p. ex. détecteurs automatiques de défectuosités, mécanismes d'arrêt, pour mécanismes d'avance des bandes
D21G 9/00 - Autres accessoires pour machines à fabriquer le papier
This invention relates to a method for manufacturing a belt for a paper, board, pulp or tissue machine, the belt (5) comprising a body (14), and a reinforcing structure (31, 32), the belt (5) having an inner surface (10) and an outer surface (11), wherein the method comprises: applying a coating comprising a solid lubricant on to a casting cylinder (18), drying the coating comprising the solid lubricant, thereby obtaining solid lubricant particles (29) on the casting cylinder (18), casting a body material (21) onto the casting cylinder (18) in order to form the body (14) on the solid lubricant particles, and providing the reinforcement structure (31, 32) into the belt, thereby obtaining the belt in which the solid lubricant particles forms at least part of the inner surface of the belt. This invention relates to an arrangement for manufacturing a belt for a paper, board, pulp or tissue machine. The invention further relates to a belt for a paper, board, pulp, or tissue machine.
b) for a refiner (1) for refining fibrous material has first (20) and second (21) end edges and first (22) and second (23) side edges, the first (22) and second (23) side edges extending between the first (20) and second (21) end edges. The segment has a refining surface (5, 9) with blade bars (27) and grooves (28) on the segment front surface (25). At least one opening (14, 15) at the side edge (22, 23) extends through the whole thickness of the segment body (24) and towards the opposite side edge (22, 23). A guide element projects from the segment background surface (26) at the side edge which provides a guide surface that intensifies the feed of the material to be refined through the opening to the refining surface of the blade segment into the refining chamber of the refiner.
The invention relates to a method for producing an oil rich fraction (OF) from primary feedstock (FS) that comprises water, first salt, second salt, and biomass. The feedstock (FS) is provided to a first reaction zone (Z1) of a conversion reactor (100), where it is allowed to react at a temperature of at least 350° C. in a pressure of at least 160 bar to form converted primary feedstock. The method comprises separating from the converted primary feedstock a first salt rich fraction (SF1), a second salt rich fraction (SF2), and an oil rich fraction (OF). The method comprises withdrawing the oil rich fraction (OF) from the first reaction zone (Z1) and withdrawing the first salt rich fraction (SF1) and the second salt rich fraction (SF2) from the conversion reactor (100). In the method the first salt rich fraction (SF1) comprises at least some of the first salt dissolved in the water, the second salt rich fraction (SF2) comprises at least some of the second salt in solid form, and at least one of the first salt and the second salt is a salt capable of catalysing the reaction of the biomass of the primary feedstock (FS) with the water of the primary feedstock (FS) to produce the oil rich fraction (OF). A device for the same.
C01D 3/00 - Halogénures de sodium, de potassium ou des métaux alcalins en général
C10G 1/00 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
C10G 1/08 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par hydrogénation destructive avec catalyseurs mobiles
36.
ADJUSTING BLADE GAP IN PROCESSING EQUIPMENT FOR PROCESSING FIBROUS MATERIAL
A loading device (10), an arrangement and a method for adjusting a size of a blade gap (9) in processing equipment for processing fibrous material. The loading device comprises a gearing (12) to be coupled in connection with a processing element (5, 6) of the processing equipment to move the processing element (5, 6) in respect of another processing element (5, 6) of the processing equipment for adjusting the size of the blade gap (9) between the processing elements, a cage induction motor (14) comprising a shaft (15) coupled to the gearing for operating the gearing, a position sensor (16) for measuring a rotational position (M-RP) of the shaft of the motor for indicating a position of the processing element in respect of the another processing element, and a frequency converter (17) coupled to the position sensor and to the motor for controlling the operation of the motor based on the measured rotational position of the shaft of the motor.
A hydrocyclone having a mid-section having a longitudinal axis and a radius, and a fluid injection member releasably connected to the mid-section. The fluid injection member has a dilution passage therethrough and two spaced apart dilution ports, at least one dilution port being at an angle between 15 and 75 degrees relative to the mid-section radius. The injection member comprises a nozzle housing releasably connected to the mid-section, the nozzle housing having a dilution passage therethrough, and a nozzle adapted to be connected to the nozzle housing, the nozzle being planar and having at least one dilution port therethrough, the nozzle being receivable within the dilution passage.
The invention relates to a system of producing MFC (micro fibrillated cellulose) having a process device (30) of a pulper, a refiner or a screen configured to process MFC suspension to consistency of 0.5-5%. The system has a continuous pressing means (15; 25, 26) configured to dry the MFC suspension to a consistency of 6-60%. A method of producing MFC has at least one process stage (30) which processes a MFC suspension to a consistency of 0.5-5% by a process device (30). In the process stage the MFC suspension is pulped in a pulping stage in a pulper and/or refined in a refining stage by a refiner and/or screened in a screening stage by a screen. The MFC suspension having the consistency of 0.5-5% is dried in a drying stage of continuous pressing (15, 25, 26) by continuous a pressing device (15, 25, 26) to a consistency of 6-60%.
A blade element (4, 8) for a refiner (1) for refining fibrous material has a first end edge (18) to be directed towards a feed of the fibrous material to be refined and a second end edge (19) to be directed towards a discharge of the refined fibrous material and a refining surface (5, 9) comprising blade bars (16) and blade grooves (17) therebetween. The refining surface (5, 9) has at least one equalizing pocket (23) extending along the refining surface (5, 9) of the blade element (4, 8) and crossing a number of the blade bars (16) and a number of the blade grooves (17) for equalizing flow of the fibrous material along the refining surface (5,9).
A method for treating textile fibers of different lengths comprises fractionating the fibers in a liquid medium at a predetermined consistency into at least two fractions on the grounds of the fiber length, the two fractions being a first accept and a second accept; leading the second accept, which has longer fibers than the first accept, to a refining step in the liquid medium, and fractionating the refined fibers in the liquid medium into at least two fractions on the grounds of the fiber length.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Industrial evaporators for liquid wastes in the wood pulp and paper industries Installation of industrial evaporators; Repair and maintenance of industrial evaporators; Technical consultancy relating to the repair of industrial evaporators Design of industrial evaporators; Technical consultancy relating to the design of industrial evaporators
46.
A METHOD AND A SYSTEM FOR MANUFACTURING CARBONOUS MATERIAL
A method for manufacturing carbonous material, the method comprisingmixing a solid composition (SC) with first water (W1) to form a carbonatablemixture (M2C), the solid composition (SC) comprising a compound comprising5an element selected from the Group I or II of the periodic table of elementsexcluding hydrogen, adding liquid or gaseous carbonating fluid (CF) to thecarbonatable mixture (M2C) to carbonate the carbonatable mixture (M2C) toform carbonated mixture (CM), the carbonating fluid (CF) comprising at least1 vol % carbon dioxide (CO2) such that a pH of the carbonated mixture (CM)10is less than 9. According to a first aspect, the method comprises thereafteradding a stabilizer (S) comprising iron (Fe) to a sludge comprising at least apart of the carbonated mixture (CM) to stabilize the carbonated mixture (CM)to produce a mixture (MA) comprising the carbonous material. According to asecond aspect, the method comprises carbonating the solid composition (SC)15in at least two phases. A system for the same.Fig. 1a
A62D 3/36 - Détoxification au moyen de réactifs acides ou alcalins
A62D 3/37 - Procédés pour rendre les substances chimiques nuisibles inoffensives ou moins nuisibles en effectuant un changement chimique dans les substances par réaction avec des agents chimiques par réduction, p. ex. hydrogénation
B01D 53/80 - Procédés en phase semi-solide, c.-à-d. au moyen de boues
B09B 3/80 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant une étape d'extraction
A refining segment (4, 8) for a refiner (1) for refining fibrous material. The refining segment (4, 8) comprises a body (20) comprising a front side (21) and a backside (22), the front side comprising a refining surface (5, 9) and the backside comprising a background surface (23), and a first end edge (15) and a second end edge (16) opposite to the first end edge, and a first side edge (17) and a second side edge (18) opposite to the first side edge, the first side edge and the second side edge extending between the first end edge and the second end edge. The refining segment comprises on the backside support projections (29, 30) projecting from the background surface and extending on the background surface substantially along the first side edge and the second side edge without comprising support projections extending substantially along the first end edge and the second end edge on the background surface.
Recycled fibers are produced from MDF or HDF containing material, for instance for use in MDF or HDF production by steaming (2) the MDF or HDF containing material for a predetermined time to obtain steamed material, subjecting the steamed material to a pulping process (3) to obtain a slurry, screening (4a, 4b) the slurry to remove oversize particles to obtain a screened slurry, dewatering (5) the screened slurry to obtain dewatered fibers and refining or fluffing (6) the dewatered fibers to obtain said recycled fibers. A method for producing MDF or HDF boards using such recycled fibers is also provided. Corresponding systems for producing recycled fibers and producing MDF or HDF boards are also provided.
A refining segment (4, 8) for a refiner (1) for refining fibrous material. The refining segment (4, 8) comprises a body (20) comprising a front side (21) and a backside (22), the front side comprising a refining surface (5, 9) and the backside comprising a background surface (23), and a first end edge (15) and a second end edge (16) opposite to the first end edge, and a first side edge (17) and a second side edge (18) opposite to the first side edge, the first side edge and the second side edge extending between the first end edge and the second end edge. The refining segment comprises on the backside support projections (29, 30) projecting from the background surface and extending on the background surface substantially along the first side edge and the second side edge without comprising support projections extending substantially along the first end edge and the second end edge on the background surface.
A continuous disc filter device including a slurry containing bath, and a disc filter assembly comprising a rotor assembly supported to turn on a horizontal axis and having a filtrate outlet end, a plurality of filter discs spaced apart along the length of the rotor assembly horizontal axis, a plurality of spaced apart discharge conduits, and a plurality of disc filter section support and filtrate channel arms. Each disc filter section has a disc filter section filtrate outlet therein for filtrate to leave the disc filter section. A plurality of spaced apart discharge conduits each includes a discharge conduit housing extending along the rotor assembly horizontal axis and having a longitudinally extending discharge conduit filtrate passageway therein. Each discharge conduit is connected at one end to the rotor assembly filtrate outlet end and connected to respective disc filter section filtrate outlets, and each discharge conduit filtrate passageway is positioned between adjacent filter sections.
B01D 33/23 - Structure des disques ou des secteurs qui les composent
B01D 33/74 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du filtrat
51.
Modified polyurethane belt for a paper, board, pulp or tissue machine and process of producing thereof
A process produces a body of a belt (10) for a paper, board, pulp or tissue machine, the body having an inner surface and an outer surface. The process includes producing a modified polyurethane by adding a polydialkylsiloxane having at least one functional group to a manufacturing process of a polyurethane in order to obtain the modified polyurethane, which modified polyurethane is a polyurethane matrix having a covalent bond with the polydialkylsiloxane, and forming the body of the belt, wherein the body is the modified polyurethane. The belt (10) is for a paper, board, pulp, or tissue machine, or for a shoe press and a sleeve roll.
A method for thermal processing of biomass, the method comprising taking at least one image from a feedstock (FS) comprising solid biomass; feeding at least the feedstock (FS) to a plant (500) for thermal processing; determining primary information indicative of a heating value of the feedstock (FS) using a processing unit (CPU) and the at least one image; and based on the primary information controlling a flow of material fed into the plant (500) and/or a temperature or a content of the material fed into the plant (500). A system for the same. In addition, a method for teaching a data-driven model, the data-driven model being for the purpose of determining from at least one image primary information indicative of a heating value of the material shown in the at least one image.
C10L 9/08 - Traitement des combustibles solides en vue d'améliorer leur combustion par traitement thermique, p. ex. calcination
C10L 5/44 - Combustibles solides à base essentielle de matières d'origine non minérale de matières végétales
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
G06V 20/52 - Activités de surveillance ou de suivi, p. ex. pour la reconnaissance d’objets suspects
A system and method of producing MFC (micro fibrillated cellulose), which system comprises at least one refiner. The refiner comprises a mechanism for refining the stock in at least two refining stages, advantageously at least two refiners for refining the stock in at least two refining stages, and that the refiners comprise a number of refining bars. The refining bars have width of 0.5-2.0 mm, height less than 7 mm and groove width of 0.5-3 mm. The method comprises at least two refining stages, in which the pulp stock is refined in at least one refining stage in consistency of 3-5%, and the method comprises at least one screening stage in at least one screen in consistency of 0.5-5%.
The invention relates to a system of producing MFC (micro fibrillated cellulose), which system (10) comprises at least one refiner (14, 14A, 14B). The refiner comprises means for refining the stock in at least two refining stages, advantageously at least two refiners (14, 14A, 14B) for refining the stock in at least two refining stages, and that the refiners comprise a number of refining bars. The refining bars have width of 0.5 ¨ 2.0 mm, height less than 7 mm and groove width of 0.5-3 mm. The invention also relates to a method of producing MFC, which method comprises at least two refining stages, in which the pulp stock is refined in at least one refining stage (17, 17A, 17B) in consistency of 3 - 5%, and the method comprises at least one screening stage in at least one screen (17, 17A, 17B) in consistency of 0,5-5 %.
A canister which has a substantially cylindrical form and comprises an innermost compartment located around an imaginary center axis of the cylindrical form and extending longitudinally in axial direction of the canister. The canister comprises cleaner cones, which have a substantially cone-like form with a hollow inside and which cleaner cones are removably mounted to the canister and located in the canister such, that narrow ends of cone form of the cleaner cones extend to the innermost compartment and wide ends of the cone form of the cleaner cones extend to the cylindrical circumference of the canister. The cleaner cones comprise covers and the cleaner cones are mounted such that cover of the cleaner cone is outside the canister. The canister further comprises an inspection light source configured to provide a visible indication of status of a cleaner cone of the canister in view of possible plug in the cleaner cone, when the light source is in operation.
the cart being provided with a hoisting device configured to hoist the reel spool vertically from beneath of at least one of the support rails to at least partly above at least one of the support rails.
A grate assembly for use in a bottom section (28) of a combustion chamber(12) of a fluidized bed boiler (10), comprising: a grate bottom wall (32); a protective refractory material layer (36); a plurality of nozzle devices (38) for supplying fluidizing primary air; at least one grate module (40) formed on the grate bottom wall (32). Each grate module (40) comprises a solids removal opening (42); a plurality of concentric landings (46) formed in the refractory material layer (36) and separated by frontal surfaces (48) between the landings. Each frontal surface (48) surrounds one of the landings and follows the shape of the perimeter of a rectangle or a rectangle with at least one shaped corner. The landings (46) define a stepped structure. Each landing comprises a group of the nozzle devices embedded in the refractory material layer (36) and adapted to jet the air through one of the frontal surfaces (48)along one of the landings (46) that is adjacent to the frontal surface.
An elongated planar or profiled component for a manufacturing machine of a fibrous cellulosic web, such as paper, board or tissue web, is at least partially formed from a composite material having a continuous polymer matrix, and reinforcing inorganic fibers embedded in the continuous polymer matrix. The continuous polymer matrix is biodegradable and the reinforcing inorganic fibers are biodegradable glass fibers. A method is disclosed for recycling elongated planar and/or profiled components used for manufacture of a fibrous web.
A method for joining ends of fiber webs with a device comprising a tool element with a gripping device and a traversing punching device. A run of the fiber web from the emptying parent roll is moved to a joining position at the tool element. The trailing end of the parent roll fiber web is cut upstream from the joining position and the fiber web is attached to the tool element by a gripping device of the tool element. An end of a new roll fiber web is guided to contact with and to an overlapping position with the trailing end of the parent roll fiber. The traversing punching device is moved across the width direction of the fiber webs and makes at least one joint cut and joins the fiber webs. The new fiber web is cut downstream from the joint, and then tension control is turned on.
A pulp treating arrangement (10) has a pulp treating apparatus (100), which receives a first pulp (150) which including at least one of virgin pulp (152) and recycled pulp (154). The arrangement performs a processing of fines of the first pulp (150), and outputs a second pulp (160) having a modified percentage of fines on the basis of the processing and provides a micro-/nanocellulose process arrangement (104) with the second pulp (160).
An unmanned aerial vehicle (UAV) has a multicopter section for flying in air with an attached blower section for generating an air stream for blowing dust off surfaces. A flight controller controls the multicopter section, a blower controller controls the blower section, and a power supply supplies power to the multicopter and blower sections. The flight controller and the blower controller are connected, and the blower controller is adapted to supply blower control commands to the flight controller to compensate for the thrust of the air stream from the blower section by flight control of the multicopter section. The UAV may be enclosed by a protective cage in the form of a meshed polyhedron, wherein the rods of the meshes are elastically connected at the respective nodes.
A method for producing a product fraction (PF) from feedstock that comprises water. The method comprises allowing the feedstock (FS) to react in a first reaction zone (Z1) of a conversion reactor (100) at a temperature of at least 350 °C in a pressure of at least 160 bar to form converted feedstock, separating at the temperature of at least 350 °C and in the pressure of at least 160 bar from the converted feedstock the product fraction (PF) and a fraction comprising a residue fraction (RF), letting out the product fraction (PF) from the first reaction zone (Z1 ). The method comprises letting out the residue fraction (RF) from the conversion reactor (100) through a first outlet (122), letting out fluid (FF, PF, WF) from the conversion reactor (100) through a second outlet (124), feeding the fluid (FF, PF, WF) that has been let out from the conversion reactor (100) in to the conversion reactor (100) through a nozzle arrangement (130) arranged inside the conversion reactor (100) and near a wall (102) of the conversion reactor (100), and flushing the wall (102) of the conversion reactor (100) with at least the fluid (FF, PF, WF). A conversion reactor (100) for performing the method.
B01J 3/00 - Procédés utilisant une pression supérieure ou inférieure à la pression atmosphérique pour obtenir des modifications chimiques ou physiques de la matièreAppareils à cet effet
B01J 4/00 - Dispositifs d'alimentationDispositifs de commande d'alimentation ou d'évacuation
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
B01J 19/24 - Réacteurs fixes sans élément interne mobile
a) extending in the longitudinal direction (X) of the blade element. At the same longitudinal (X) position in the blade element (4, 8) the first dimension of the comminution parts is arranged to increase in the circumferential direction (C) of the blade element toward the feed section.
The invention relates to a method for forming a molded fiber product. In which method a layer (10) is formed of foam including fibers, water, air and foaming chemical by a pair (11) of molds (12, 13). In addition, in the method, foam is fed between the molds (12, 13), and the pair (11) is closed and opened. Foam is fed via one of the molds (12, 13) while the pair (11) is sealed from its sides. The invention relates also to a molded fiber product.
The invention relates to a method for forming a molded fiber product. In which method a layer (10) is formed of foam including fibers, water, air and foaming chemical by a pair (11) of molds (12, 13). In addition, in the method, foam is fed between the molds (12, 13), and the pair (11) is closed and opened. Foam is fed via one of the molds (12, 13) while the pair (11) is sealed from its sides. The invention relates also to a molded fiber product.
The invention relates to a debarking drum (1) for the debarking of wood (2), including an essentially horizontal cylindrical drum (10), which is supported to revolve around its longitudinal axis, which drum (10) includes : a first end (12) and a second end (14), debarking iron sections (16) adapted in the drum (10), and bark openings (20) adapted on the inner surface (18) of the drum (10), studs (22) adapted on the inner surface (18) of the drum (10) between said debarking iron sections (16) to break the bark (3) of the wood (2) for the debarking of the wood (2), which studs (22) are adapted in connection with the first end (12) of the drum (10) on a partial length (L) of the length of the drum (10) between the first end (12) and the second end (14). The invention also relates to a method and system for the debarking of wood by means of the debarking drum.
B27L 1/00 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet
B27L 1/02 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet par frottement des troncs les uns contre les autresÉquipement pour l'écorçage humide
A heat exchanger (10) suitable for recovering heat from bed material of a fluidized bed boiler (1). The heat exchanger (10) comprises first and second heat exchanger tubes (810, 820) and first and second feeding chambers (310, 320) configured to supply bed material to the first and second heat exchanger tubes (810, 820), respectively. The first heat exchanger tubes (810) are arranged on a first side of a plane (P) that intersects the first feeding chamber (310) and the second heat exchanger tubes (820) are arranged on a second side of the plane (P). The first feeding chamber (310) is configured to supply bed material to the second feeding chamber (320).
F28D 13/00 - Appareils échangeurs de chaleur utilisant un lit fluidisé
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
F23C 10/10 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée l'appareil de séparation étant situé à l'extérieur de la chambre de combustion
F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage
68.
A HEAT EXCHANGER FOR A LOOPSEAL OF A CIRCULATING FLUIDIZED BED BOILER AND A CIRCULATING FLUIDIZED BED BOILER
A heat exchanger (10) suitable for recovering heat from bed material of a fluidized bed boiler (1). The heat exchanger (10) comprises first and second heat exchanger tubes (810, 820) and first and second feeding chambers (310, 320) configured to supply bed material to the first and second heat exchanger tubes (810, 820), respectively. The first heat exchanger tubes (810) are arranged on a first side of a plane (P) that intersects the first feeding chamber (310) and the second heat exchanger tubes (820) are arranged on a second side of the plane (P). The first feeding chamber (310) is configured to supply bed material to the second feeding chamber (320).
F22G 1/00 - Surchauffe de la vapeur caractérisée par la méthode de chauffage
F28C 3/10 - Autres appareils échangeurs de chaleur à contact direct une des sources de potentiel calorifique au moins étant un solide fluent, p. ex. un matériau sous forme de particules
69.
Method and a system for adjusting PH of green liquor dregs
The specification relates to a method and a system for adjusting pH of green liquor dregs. The method comprises contacting a slurry containing green liquor dregs (100, 200, 300, 400, 500) with flue gas (101, 201, 301, 401, 501). The system comprises a recovery boiler (105) configured to burn black liquor to produce smelt, a smelt dissolving tank (107) configured to dissolve the smelt to produce green liquor comprising green liquor dregs, and a green liquor clarifier/filter (103) and/or a dregs filter (104) configured to separate a slurry containing green liquor dregs (100, 200, 300, 400, 500) from the green liquor. The system further comprises a vessel (102, 202, 302, 402) configured to receive a slurry containing green liquor dregs (100, 200, 300, 400, 500) and a gas inlet (210, 310, 410, 510) configured to convey flue gas (101, 201, 301, 401, 501) to be contacted with the slurry containing green liquor dregs (100, 200, 300, 400, 500).
The invention relates to a production line for producing a fiber web (W), which production line (200) comprises a forming section (210) comprising at least one headbox (M10; M20; M30) and a forming unit (220) comprising at least one wire (10; 20; 30) and at least one water removal means (11, 15, 16, 17, 21, 25, 31, 35, 56), and which production line (200) comprises a sizing section (250) comprising a sizer with a sizing nip formed between two sizing rolls (75). The production line (200) comprises at least one application device (C10; C20; C30; C50) located in the forming unit (220) and configured to apply sizing agent in form of foam for inner part sizing of the fiber web (W) and the sizer located in the sizing section (250) comprises at least one application device (C75) is configured to apply sizing agent for surface sizing of the fiber web (W).
D21F 9/00 - Machines complètes pour la fabrication de feuilles de papier
D21F 11/04 - Procédés de fabrication de longueurs continues de papier ou de carton, ou de nappe humide pour la production de panneaux de fibres, sur des machines à papier du type Fourdrinier papier ou carton composé de plusieurs couches
a) in a depth direction of the belt. The invention further relates to a use of a belt. The invention further relates to an arrangement comprising a belt and a sleeve roll.
A brake is provided for an idler roll (10) of a fiber web machine, in particular of a slitter-winder, which idler roll (10) has an outer shell surface (13). The brake (20) is located outside the outer shell surface (13) of the idler roll (10) in close vicinity of the idler roll (10) in a non-contacting position. The brake (20) has a permanent magnet (25), which is configured to be moved from non-braking position to a braking position and vice versa by an actuator or cylinder (35, 45).
A fabric for a paper or pulp technology has a longitudinal direction (MD) and a cross direction (CMD), and a first surface (FS) and a second surface (SS) in a fabric thickness direction (TD). The fabric (1) extends in the cross direction (CMD) from a first edge (FG) to a second edge (SG). The fabric (1) has an adaptable medium comprising at least one sensor. The adaptable medium is a deformable structure that adapts to the fabric where it is inserted and may be a string or a sheet configured to detect temperature, temperature profile, wear, volatile organic compounds (VOC), humidity, pH, microbial level, organic and inorganic material content, dirt content, flow rate and flow velocity field, or pressure in a nip. The invention also relates to a method for manufacturing a fabric for a paper or pulp technology.
The invention relates to a method of processing recycled textile fibers, in which method recycled textile fiber suspension comprising synthetic fibers and non-synthetic fibers, in particular cotton fibers, is processed. In the method the recycled textile fiber suspension is treated in a flotation stage configured to be executed in at least one flotation cell (14) for removing the synthetic fibers from the recycled textile fiber suspension having a fiber feed consistency of non-synthetic fibers 0,05-1,5%. The invention also relates to a process system of processing recycled textile fibers comprising synthetic fibers and non-synthetic fibers in a recycled textile fiber suspension, in particular cotton fibers. The process system (10) comprises at least one flotation cell (14) for removing synthetic fibers from the recycled textile fiber suspension having a fiber feed consistency of non-synthetic fibers 0,05-1,5%.
According to an example aspect of the present invention, there is provided an industrial textile comprising two layers, a web-side layer and a wear-side layer, where the web-side layer comprises machine direction yarns (1) and binding cross machine direction yarns (5), the wear-side layer comprises machine direction yarns (3) and cross machine direction yarns (4), the binding cross machine direction yarns (5) extend from the web-side layer to the wear-side layer and bind a portion of wear-side layer machine direction yarns (3) to bond the web-side layer and the wear-side layer together, and wherein the web-side layer is a non-plain weave.
The invention relates to a fiber web production line (50), which comprises a dry end (55), which comprises a drying section (14) and/or a sizer and/or a calender (15) and/or a coating section (16) and/or a reel-up 18 and/or a slitter- winder and/or a slabbing station/-s (25). The fiber web production line (50) further comprises a cellulose insulation material production section (30) functionally connected to the dry end (55) of the fiber web production line (50) and configured to produce cellulose insulation material from broke fiber web generated in and received from the dry end (55) of the fiber web production line (50).
An assembly comprising an annular hub with a hub inner surface and a hub outer surface and a rotary third refining member having a central opening within a refining member inner surface. The refining member has at least two equally spaced apart member portions extending radially inwardly from the member inner surface, and the assembly includes a key for connecting the member portions to the hub. The assembly also include an annular cover plate with at least two radially extending spaced apart flanges, each flange overlying a member portion, and at least two spaced apart port plates, each port plate overlying a member portion side opposite the annular cover plate, the spaces between the at least two port plates defining ports from a first stock flow path to a second stock flow path.
A method for heating a heat exchange medium in a fluidized bed boiler (100), the method comprising burning first fuel (165) in a first furnace (162) of the fluidized bed boiler (100) to produce first flue gas (163); recovering heat from the first flue gas (163) to a heat exchange medium using a first heat exchanger (310); conveying the heat exchange medium from the first heat exchanger (310) to a second heat exchanger (320), of which at least a part is arranged in contact with a fluidized bed of the fluidized bed boiler (100); burning second fuel (175) in a second furnace (172) of the fluidized bed boiler (100) to produce second flue gas (173); conveying the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recovering heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330). A fluidized bed boiler (100) for performing the method. A loopseal heat exchanger (400) that is, when installed in a loopseal of a circulating fluidized bed boiler, configured to burn second fuel (175) in a second furnace (172) of the loopseal heat exchanger (400) to produce second flue gas (173); convey the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recover heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330).
F22B 31/04 - Production de la chaleur par une installation comportant plusieurs appareils à combustion, p. ex. comportant des appareils à combustion distincts respectivement pour la chaudière et le surchauffeur
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
An assembly comprising an annular hub with a hub inner surface and a hub outer surface and a rotary third refining member having a central opening within a refining member inner surface. The refining member has at least two equally spaced apart member portions extending radially inwardly from the member inner surface, and the assembly includes a key for connecting the member portions to the hub. The assembly also include an annular cover plate with at least two radially extending spaced apart flanges, each flange overlying a member portion, and at least two spaced apart port plates, each port plate overlying a member portion side opposite the annular cover plate, the spaces between the at least two port plates defining ports from a first stock flow path to a second stock flow path.
A ragger (4) for a removal of reject from a pulper (2) in a pulping system (1) has a drawing roll (5) which draws the reject from the pulper (2) in the form of a ragger rope (3). The drawing roll (5) has a drive shaft (6) to which a pulley (7) is mounted and over which the ragger rope passes to a cutter. At least one measuring instrument (14) is mounted with respect to the ragger to measure the quantity and direction of the force applied to the drawing roll by the ragger rope (3) as it is drawn out of the pulper (2). The ragger is part of a pulping system (1) having a pulper (2) for preparation of a fiber pulp suspension and a method for controlling reject handling in the pulping system (1) is provided.
A processing plate (4, 12) for mechanically processing pulp. The plate has projecting parts (6, 7, 14, 15). The projecting parts (7, 15) have a radially inner part (28) having an inclined ascending wall (29) towards the outer periphery (23) of the plate and a radially outer part (30) having an inclined descending wall (31) towards the outer periphery (23) of the plate (4, 12). The inner and outer parts (28, 30) are radially coupled to each other by a ridge (32) along a coupling line (CL). The walls (29, 31) are mutually connected only partly so that they have in common only a crest section (40) of the ridge (32) which crest section (40) is less than a width of at least one of the wall (29) of the inner part (28) and the wall (31) of the outer part (30) at the coupling line (CL).
A support element for supporting at least one horizontal heat exchanger tube (28). The support element (42) is mounted on a vertical support tube (30) and comprises a main body (44) including a hollow interior extending through the main body and surrounding the vertical support tube (30) passing through the hollow interior, and at least one supporting arm (46) extends outwardly from the main body (44). Each supporting arm (46) supports at least one heat exchanger tube (28). A system including the support element and the vertical support tube (30) for supporting horizontal heat exchanger tubes (28), the system being applied in a flue gas passage (60) of a boiler including a heat exchanger (20). A method in the flue gas passage (60) includes rotating the support element and moving the heat exchanger from the flue gas passage.
F28F 9/013 - Supports auxiliaires pour les éléments pour les tubes ou les assemblages de tubes
F22B 37/20 - Dispositifs de support, p. ex. pour la fixation des faisceaux de tubes d'eau
F22B 37/24 - Dispositifs de support, de suspension ou de montage, p. ex. faisant écran à la chaleur
F16L 3/22 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers spécialement adaptés pour supporter un certain nombre de tuyaux parallèles séparés par un espace
83.
A CHEMICAL RECOVERY BOILER AND A METHOD FOR CONTROLLING A CHEMICAL RECOVERY BOILER
A method for controlling a chemical recovery boiler (100). The method comprises treating spent liquor (102) in a furnace (105) of the chemical recovery boiler (100) to form a char bed (130) into the furnace, conveying smelt (140) from the char bed through a smelt spout (145) to a dissolving tank (150) comprising aqueous solution (152), and shattering the smelt above a surface (155) of the aqueous solution by shattering fluid (170). The method further comprises measuring optically a first parameter indicative of at least one of [A] a flow of the smelt (140) through the smelt spout (145) and [B] shattering of the smelt (140); and based on a value of the first parameter, controlling a flow of the shattering fluid (170). A chemical recovery boiler (100) suitable for performing out the method.
F23G 7/04 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets particuliers ou de combustibles pauvres, p. ex. des produits chimiques de liqueurs résiduelles, p. ex. de liqueurs au sulfite
F27D 3/14 - Chargement ou déchargement d'un matériau liquide ou fondu
84.
Device for determining and storing eccentricity of customer roll within a slitter winder and using for unwinding control
A measuring device is releasably received within a winding core of a customer roll wound on a slitter-winder (10). The measuring device (20) is releasably fastened within the winding core by fastening element(s) (21) securing the device to the winding core (10) for rotation during winding of the fiber web around the winding core to form the customer roll. Eccentricity of the customer roll as it is wound is determined from movement, speed and/or acceleration data received from at least two sensors of the measuring device and data is stored for use in unwinding the fiber web from the customer roll and serving as control information. Tension variations in unwinding can thus be anticipated and premeditative steps taken to ensure smooth running of the fiber web in unwinding in further processing.
B26D 7/27 - Moyens pour exécuter d'autres opérations en combinaison avec la coupe
B26D 1/24 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant autour d'un axe avec un élément circulaire, p. ex. un disque coopérant avec un autre disque coupant
B65H 18/14 - Mécanismes d'enroulage des bandes dans lesquels l'énergie est appliquée à la bobine, p. ex. pour faire avancer la bande d'un mouvement continu
B65H 23/195 - Positionnement, tension, suppression des à-coups ou guidage des bandes longitudinal en commandant ou régulant le mécanisme d'avance de la bande, p. ex. le mécanisme agissant sur la bande courante dans les mécanismes d'enroulage ou en liaison avec les opérations d'enroulement
The invention relates to a slitter-winder (10), which comprises an unwinding section (30) for unwinding a fiber web (W) from a parent roll, a slitting section (35) for slitting the fiber web (W) to component fiber webs (WP) and a winding section (40), which comprises a winder (40A; 40B), for winding the component fiber webs (WP) around winding cores (10) to customer rolls. Inside at least one of the winding cores (10) at least one measuring device (20) is releasably fastened by fastening element/-s (21) such, that the measuring device (20) is configured to rotate with the winding core (10) during winding of the customer roll around the winding core (10).
B65H 35/02 - Délivrance d'articles à partir de machines à découper ou à perforer linéairementAppareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p. ex. distributeurs de bande adhésive à partir de dispositifs pour fendre ou de perforatrices longitudinales ou avec ces dispositifs
B65H 43/00 - Utilisation de dispositifs de commande de vérification ou de sécurité, p. ex. dispositifs automatiques comportant un élément pour détecter une variable
86.
SYSTEM COMPRISING TWO SCRUBBERS CONNECTED TO AN ELECTROSTATIC PRECIPITATOR AND A METHOD FOR PURIFYING EXHAUST GAS USING IT
A method for cleaning at least first exhaust gas (EG1) and second exhaust gas (EG1). The method comprising scrubbing the first and second exhaust gases (EG1, EG2) in a first and a second scrubber (710, 720) to produce scrubbed first and second exhaust gases (SEG1, SEG2); and conveying at least part of the scrubbed first and second exhaust gases (SEG1, SEG2) to an electrostatic precipitator (100). The method further comprises cleaning one or both of the at least part of the scrubbed first exhaust gas (SEG1) and the at least part of the scrubbed second exhaust gas (SEG2) in the electrostatic precipitator (100) to produce clean exhaust gas (CEG). A system for the carrying out the method.
B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
B01D 49/00 - Séparation de particules dispersées dans l'air, des gaz ou des vapeurs par d'autres méthodes
87.
A SYSTEM AND A METHOD FOR PRODUCING CATALYTICALLY TREATED PYROLYTIC VAPOR
A system for producing catalytically treated pyrolytic vapor.The system comprises a pyrolysis reactor (100) configured to produce pyrolytic vapor and a catalytic reactor (200) limiting abed area (B) into which a fluidized catalyst bed is configured to form in use. The catalytic reactor (200) comprises a static mixer (300) configured to spread the particulate catalyst within the bed area (B). Thus, the catalytic reactor (200) is configured to produce a mixture of the particulate catalyst and the catalytically treated pyrolytic vapor from the pyrolytic vapor. A method for producing catalytically treated pyrolytic vapor. The method comprises producing pyrolytic vapor and allowing at least a clean part of the pyrolytic vapor to chemically react in the presence of the particulate catalyst to produce a mixture of the particulate catalyst and catalytically treated pyrolytic vapor. The method comprises mixing, in the bed area, the pyrolytic vapor and the particulate catalyst with a static mixer.
C10B 53/02 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale de matières contenant de la cellulose
C10B 49/22 - Distillation destructive des matières carbonées solides par chauffage direct au moyen d'agents porteurs de chaleur, y compris la combustion partielle de la matière à traiter avec des porteurs de chaleur solides, mobiles, sous forme divisée sous forme dispersée selon la technique du "lit fluidisé"
C10G 3/00 - Production de mélanges liquides d'hydrocarbures à partir de matières organiques contenant de l'oxygène, p. ex. huiles, acides gras
A blade segment (4, 4a, 4b, 8, 8a, 8b) for a refiner (1) for refining fibrous material. The segment comprises a first (20) and a second (21) end edge and a first (22) and a second (23) side edge, the first (22) and second (23) side edges extending between the first (20) and second (21) end edges. The segment further comprises a refining surface (5, 9) comprising blade bars (27) and blade grooves (28) on a front surface (25) of the segment and at least one opening (14, 15) at the side edge (22, 23), which opening extends through a whole thickness of a segment body (24) and towards to the opposite side edge (22, 23). On a side of a background surface (26) of the segment there is a height difference between the background surface (26) at the first side edge and the back-ground surface (26) at the second side edge at least at the opening of the segment.
A blade segment (4, 8) for a refiner (1) for refining fibrous material. The blade segment comprises a first (20) and a second (21) end edge and a first (22) and a second (23) side edge opposite to the first side edge (22) and a refining surface (5, 9) comprising blade bars (27, 27a, 27b) and blade grooves (28, 28a, 28b) therebetween on a front surface (25) of the blade segment. The blade segment further comprises at least one opening (14, 15) at least at one side edge (22, 23), the opening extending through a whole thickness of a blade segment body (24), as well as at least one feed groove (29) on the refining surface, the feed groove (29) extending from the opening and crossing the blade bars and the blade grooves for feeding the material to be refined across the refining surface. The blade bars (27, 27a, 27b) of the blade segment are inter-laced at the feed groove.
A blade segment (4, 4a, 4b, 8, 8a, 8b) for a refiner (1) for refining fibrous material. The segment comprises a first (20) and a second (21) end edge and a first (22) and a second (23) side edge, the first (22) and second (23) side edges extending between the first (20) and second (21) end edges. The segment further comprises a refining surface (5, 9) comprising blade bars (27) and blade grooves (28) on a front surface (25) of the segment and at least one opening (14, 15) at the side edge (22, 23), which opening extends through a whole thickness of a segment body (24) and towards to the opposite side edge (22, 23). On a side of a background surface (26) of the segment there is a height difference between the background surface (26) at the first side edge and the back-ground surface (26) at the second side edge at least at the opening of the segment.
A blade segment (4, 8) for a refiner (1) for refining fibrous material. The blade segment (4, 8) comprises a first (20) and a second (21) end edge opposite to the first end edge in a direction of a longitudinal axis(LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b), a first (22) and a second (23) side edge opposite to the first side edge, the first side edge and the second side edge extending between the first end edge and the second end edge, and a refining surface (5, 9) comprising blade bars (26) and blade grooves (27) therebetween on a front surface (25) of the blade segment (4, 8). At least one side edge (22, 23) comprises at least two edge portions (31, 33, 35, 41, 43, 45) arranged to deviate from the direction of the longitudinal axis (LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b) and being connected by an elbow (32, 34, 42, 44) between each two edge portions (31, 33, 35, 41, 43, 45).
An industrial textile (6) for manufacturing a fibrous web has first machine direction yarns (1) on the front side (7) which bind to first cross-machine direction yarns (4) in a first pattern, while second machine direction yarns (2) on the back side bind to second cross-machine direction yarns (5) in a second pattern. Third machine direction yarns (3) bind to the first cross-machine direction yarns (4) and the second cross-machine direction yarns (5) in a third pattern. The third pattern has at least one interlacing point (71) on the front side where one of the third machine direction yarns (3) passes over one of the first cross-machine direction yarns (4) and at least one interlacing point (72) on the back side (8) where the same third machine direction yarn (3) passes under one of the second cross-machine direction yarns (5).
D03D 13/00 - Tissus caractérisés par la disposition particulière des fils de chaîne ou de trame, p. ex. avec fils de trame incurvés, avec fils de chaîne discontinus, avec fils de chaîne ou de trame en diagonale
D21F 1/00 - Partie humide des machines à fabriquer des feuilles continues de papier
A blade segment (4, 8) for a refiner (1) for refining fibrous material. The blade segment (4, 8) comprises a first (20) and a second (21) end edge opposite to the first end edge in a direction of a longitudinal axis(LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b), a first (22) and a second (23) side edge opposite to the first side edge, the first side edge and the second side edge extending between the first end edge and the second end edge, and a refining surface (5, 9) comprising blade bars (26) and blade grooves (27) therebetween on a front surface (25) of the blade segment (4, 8). At least one side edge (22, 23) comprises at least two edge portions (31, 33, 35, 41, 43, 45) arranged to deviate from the direction of the longitudinal axis (LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b) and being connected by an elbow (32, 34, 42, 44) between each two edge portions (31, 33, 35, 41, 43, 45).
A method for removing ammonia (NH3) from a gas produced in a pulp mill (100). The method comprises producing raw non-condensable gas comprising ammonia (NH3) in the pulp mill (100) and transferring at least some of the raw non-condensable gas to a scrubber (200) containing aqueous scrubbing solution (130, 140). The method comprises adding a compound capable of decreasing a pH of the scrubbing solution to the scrubbing solution (130, 140) and in the scrubber (200), contacting the raw non-condensable gas with the scrubbing solution (130, 140), to react the ammonia (NH3) of the raw non-condensable gas with the scrubbing solution to produce clean non-condensable gas and ammonium (NH4 +). A pulp mill comprising equipment for performing the method.
A circulating fluidized bed boiler, comprising a furnace, a loopseal, and a loopseal heat exchanger arranged in the loopseal. The loopseal heat exchanger comprises at least an inlet chamber, a bypass chamber, and a first heat exchange chamber, heat exchanger pipes arranged in the first heat exchange chamber, and a primary particle outlet for letting out bed material from the first heat exchange chamber. The primary particle outlet has at least a first part and a second part separated from each other by a barrier element in such a way that the first part of the primary particle outlet has a first height and a first width, wherein a ratio of the first height to the first width is less than 0.5 or more than 2. Use of the circulating fluidized bed boiler such that fluidizing gas and bed material are let out from the first heat exchange chamber via the primary particle outlet.
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
F23C 10/06 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion le mouvement de circulation étant activé en induisant différents degrés de fluidisation en différents endroits du lit
F23C 10/10 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée l'appareil de séparation étant situé à l'extérieur de la chambre de combustion
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
F23C 10/28 - Dispositifs de commande spécialement adaptés aux appareils de combustion à lit fluidisé
96.
A METHOD FOR REMOVING AMMONIA FROM NON-CONDENSABLE GASES OF A PULP MILL
A leaf filter bag for a leaf (110) of a pressure leaf filter (100) has a first sheet portion (50), adjacent to a second sheet portion (60). The first sheet portion (50) is connected to the second sheet portion (60) at a first edge (10), a second edge (20) and a third edge (30). Forth edges of the sheet portions define an openable and closable edge (40) which has an open position and a closed position, which allows inserting a frame (122) of the leaf (110) into the leaf filter bag (1) through an opening formed by the openable and closable edge (40) in the open position. A zipper (42) closure (41) is provided at the openable and closable edge (40), and a further hook-and-loop fastener closure may be provided.
a) arranged to a second direction (D2) of the belt which is parallel or substantially parallel to a travel direction of the belt, and/or perpendicular or substantially perpendicular to the first direction (D1). The belt (10) is configured to stretch elastically more in the second direction (D2) than in the first direction (D1) so that it will return to its original length after forces stretching the belt have been removed. This invention further relates to an arrangement including a belt and a sleeve roll. This invention further relates to a use of a belt.
A blade element (4, 8) for a refiner (1) for refining fibrous material and a refiner (1) for refining fibrous material. The blade element (4, 8) comprises a first end edge (18) to be directed towards a feed of the fibrous material to be refined and a second end edge (19) to be directed towards a discharge of the refined fibrous material and a refining surface (5, 9) comprising blade bars (16) and blade grooves (17) therebetween. The refining surface (5, 9) comprises at least one equalizing pocket (23) extending along the refining surface (5, 9) of the blade element (4, 8) and crossing a number of the blade bars (16) and a number of the blade grooves (17) for equalizing flow of the fibrous material along the refining surface (5, 9).
c) to use the water in a scrubbing liquid of the first scrubber. The method also comprises providing flue gas containing chlorides into the first scrubber (102, 202, 302, 402, 502, 602, 702) and scrubbing the flue gas containing chlorides with the scrubbing liquid by contacting the flue gas with the scrubbing liquid in the first scrubber (102, 202, 302, 402, 502, 602, 702). Dilute hydrochloric acid and a flue gas derivate (104, 204, 304, 404, 504, 704) are produced. The method comprises letting out at least some of the dilute hydrochloric acid from the first scrubber (102, 202, 302, 402, 502, 602, 702) as a scrubber bleed, separating solids suspended by the scrubber bleed in a solids separator (192, 592, 692), conveying the scrubber bleed from the solids separator (192, 592, 692) into an evaporation vessel (194, 594, 694) and concentrating the scrubber bleed in the evaporation vessel (194, 594, 694) to produce hydrochloric acid vapor having a concentration of 5-22 wt-%. A corresponding system is also provided.
F23J 15/04 - Aménagement des dispositifs de traitement de fumées ou de vapeurs des purificateurs, p. ex. pour enlever les matériaux nocifs utilisant des fluides de lavage
B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
