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.
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 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
F23C 10/20 - Inlets for fluidisation air, e.g. gridsBottoms
7.
A 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 of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
C10G 9/00 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
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 - Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates
B01D 25/176 - Filter presses, i.e. of the plate or plate and frame type attaching the filter element to the filter press plates, e.g. around the central feed hole in the plates
11.
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 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated exclusively within the combustion zone
F22B 31/00 - Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatusArrangements or dispositions of combustion apparatus
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 - Debarking or removing vestiges of branches from trees or logsMachines therefor by rubbing the trunks against each otherEquipment for wet practice
15.
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.
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 - Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively
F23C 6/02 - Combustion apparatus characterised by the combination of two or more combustion chambers in parallel arrangement
F28D 13/00 - Heat-exchange apparatus using a fluidised bed
F01D 15/10 - Adaptations for driving, or combinations with, electric generators
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
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 - Inlets for fluidisation air, e.g. gridsBottoms
F23C 9/00 - Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
F23C 10/28 - Control devices specially adapted for fluidised bed combustion apparatus
21.
System of Controlling Performance of a Slitter-winder and/or the Fiber Web Production Line and a Method of Controlling Performance of a Slitter-winder and/or a Fiber Web Production Line
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 5/32 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
B26D 1/14 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
B65H 35/00 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
B65H 43/00 - Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
22.
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).
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 - Halides of sodium, potassium, or alkali metals in general
C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
C10G 1/04 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
C10G 1/08 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation with moving catalysts
26.
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 blade segment (4, 8) for a refiner (1) for refining fibrous material has first (20) and second (21) end edges opposite one another in a direction of a longitudinal axis (LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b), and first (22) and second (23) side edges which extend between the first end edge and the second end edge. The blade segment has a refining surface (5, 9) with blade bars (26) and grooves (27) therebetween on a front surface (25) of the blade segment (4, 8). At least one side edge (22, 23) has 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 connected by an elbow (32, 34, 42, 44) between each two edge portions (31, 33, 35, 41, 43, 45).
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 sleeve roll belt (10) has an inner surface (11) and an outer surface (12). The belt has a body (15) and a reinforcing structure (30). The reinforcing structure (30) has first yarns (31) arranged to a first direction (D1) of the belt, and second yarns (32) arranged to a second direction (D2) of the belt. The reinforcing structure (30) also has auxiliary yarns (31b, 31c) arranged parallel or substantially parallel to the first direction (D1) of the belt, wherein the auxiliary yarns are arranged to a depth of greater than a depth of the first yarns, measured from the outer surface (12) of the body (15) to an outer surface (31-o, 31b-o) of each yarn (31, 31b, 31c) in the depth direction of the belt, and a diameter of the auxiliary yarns is at least 20% smaller than a diameter of the first yarns.
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 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & 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
36.
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 - Detoxification by using acid or alkaline reagents
A62D 3/37 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by reduction, e.g. hydrogenation
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.
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.
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.
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 - Debarking or removing vestiges of branches from trees or logsMachines therefor
B27L 1/02 - Debarking or removing vestiges of branches from trees or logsMachines therefor by rubbing the trunks against each otherEquipment for wet practice
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 - Heat-exchange apparatus using a fluidised bed
F22B 31/00 - Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatusArrangements or dispositions of combustion apparatus
F23C 10/10 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
58.
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).
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 - Complete machines for making continuous webs of paper
D21F 11/04 - Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines of the Fourdrinier type paper or board consisting of two or more layers
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%.
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 - Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively
F22B 31/00 - Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatusArrangements or dispositions of combustion apparatus
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 ragger (4) for a removal of reject from a pulper (2) in a pulping system (1) comprises a drawing roll (5) for drawing the reject from the pulper (2) in a form of a ragger rope (3), the drawing roll (5) comprising a drive shaft (6) be-ing equipped with a pulley (7). The ragger (4) comprises at least one measuring instrument (14) for measuring at least one quantity describing a force subjected to the drawing roll (5) by the ragger rope (3) to be drawn out of the pulper (2).Furthermore, a pulping system (1) comprising a pulper (2) for a preparation of a fibre pulp suspension and a ragger (4) for a removal of reject from the pulper (2) and a method for controlling a reject handling in a pulping system (1).
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 - Auxiliary supports for elements for tubes or tube-assemblies
F22B 37/20 - Supporting arrangements, e.g. for securing water-tube sets
F22B 37/24 - Supporting, suspending or setting arrangements, e.g. heat shielding
F16L 3/22 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
74.
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 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of waste liquors, e.g. sulfite liquors
F27D 3/14 - Charging or discharging liquid or molten material
75.
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 - Means for performing other operations combined with cutting
B26D 1/24 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
B65H 18/14 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
B65H 23/195 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
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 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
B65H 43/00 - Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
77.
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 49/22 - Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form in dispersed form according to the "fluidised bed" technique
C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
78.
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 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01D 49/00 - Separating dispersed particles from gases, air or vapours by other methods
79.
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 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
C10B 49/22 - Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form in dispersed form according to the "fluidised bed" technique
C10G 3/00 - Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
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 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
D21F 1/00 - Wet end of machines for making continuous webs of paper
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).
The present invention relates to an industrial textile (6) for manufacturing a fibrous web. The industrial textile (6) has a front side (7) and a back side (8). The industrial textile (6) comprises first machine direction yarns (1), second machine direction yarns (2), third machine direction yarns (3), first cross-machine direction yarns (4) and second cross-machine direction yarns (5). The first machine direction yarns (1) on the front side (7) of the industrial textile (6) bind to the first cross-machine direction yarns (4) according to a first pattern, the second machine direction yarns (2) on the back side of the industrial textile bind to the second cross-machine direction yarns (5) according to a second pattern, the third machine di-rection yarns (3) bind to the first cross-machine direction yarns (4) and the second cross-machine direction yarns (5) according to a third pattern. The third pattern comprises at least one interlacing point (71) on the front side (7) of the in-dustrial textile (6) where one of the third machine direction yarns (3) is configured to pass over one of the first cross-ma-chine direction yarns (4) and at least one interlacing point (72) on the back side (8) of the industrial textile (6) where the same third machine direction yarn (3) is configured to pass under one of the second cross-machine direction yarns (5). (Figure lb)
D03D 1/00 - Woven fabrics designed to make specified articles
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
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 of boiler construction, or of tube systems, dependent on installation of combustion apparatusArrangements or dispositions of combustion apparatus
F23C 10/06 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone the circulating movement being promoted by inducing differing degrees of fluidisation in different parts of the bed
F23C 10/10 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
F23C 10/20 - Inlets for fluidisation air, e.g. gridsBottoms
F23C 10/28 - Control devices specially adapted for fluidised bed combustion apparatus
89.
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.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
94.
METHOD AND SYSTEM FOR PRODUCING RECYCLED FIBERS FOR MDF OR HDF PRODUCTION
A method for producing recycled fibers from MDF or HDF containing material, for instance for use in MDF or HDF production. The method comprises 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.
D21C 1/02 - Pretreatment of the finely-divided materials before digesting with water or steam
D21B 1/12 - Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods by the use of steam
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).
B30B 9/24 - Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band
A support assembly (40) for supporting the furnace (22) of a boiler (10) to a support frame (12) of the boiler. The support assembly comprises a first and second assembly parts (56, 8). The first assembly part (56) attaches a pipe (18), f.ex. a downcomer, to a supporting beam (32, 88). The second assembly part (58) attaches the same pipe (18) to another supporting beam (30, 86). The support assembly (40) may be obliquely positioned. Alternatively, the support frame further comprises an oblique, connecting supporting beam (84) that connects the first and second assembly parts. In this case, the first and second assembly parts attach the pipe to the connecting supporting beam (84). The first and second assembly parts define first and second points of support (52, 4) that transmit loads. The first or second assembly part may be a hanger rod. A boiler plant comprises the above-mentioned boiler, support frame for the boiler and support assembly.
A coaxial heat transfer tube (100), comprising a first inner heat transfer tube (110) having straight parts (111, 113, 115, 117) and curved parts (112, 114, 116), a first outer heat transfer tube (120) having straight parts (121, 123, 125, 127) and curved parts (122, 124, 126). The first outer heat transfer tube (120) radially surrounds the first inner heat transfer tube (110) at least within the first primary straight part (121) and the first primary curved part (122). Thermally insulating material (530) has been provided in between a curved part (122) of the first outer heat transfer tube (120) and a curved part (112) of the first inner heat transfer tube (110). Neither straight part (121) nor a curved part (122) of the first outer heat transfer tube (120) comprises a longitudinal seam. A method for making a coaxial heat transfer tube (100).
F16L 59/22 - Arrangements specially adapted to local requirements at flanges, junctions, valves, or the like adapted for bends
F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
A heat exchanger having a first heat transfer tube with a first primary straight part and a first secondary straight part is provided. The heat exchanger includes a first primary bond part and a first secondary bond part. The first primary bond part is welded to the first secondary bond part to form a first primary bond that bonds the first primary straight part and the first secondary straight part of the first heat transfer tube. The first primary bond limits a first primary aperture and a first secondary aperture formed by the holes of the bond parts, wherein the straight parts of the first heat transfer tube extend through the first primary bond via the apertures.
F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies
F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
F28F 9/26 - Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
F22B 37/20 - Supporting arrangements, e.g. for securing water-tube sets
−) from a liquor (300) of a pulp mill process, the method comprising pumping the liquor (300) to an injector arrangement (710) using a pump arrangement (720) such that the pumping of the liquor (300) through a jet nozzle (115) generates suction at a gas inlet (130), whereby reagent gas (310) is mixed with the liquor (300), and letting out the treated liquor (300) from the injector arrangement (710) to a vessel (200). In this way, the liquor (300) is treated to form at least partly treated liquor (300). A corresponding use of an injector arrangement. A system for performing the method.
D21C 11/04 - Regeneration of pulp liquors of alkali lye
F04F 5/42 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow characterised by the input flow of inducing fluid medium being radial or tangential to output flow
