Abrégé

A multistage filtering device for the production of a high-boiling-point aromatic hydrocarbon solvent, comprising a device housing (1). A temperature control device (2) is provided at the top of the device housing (1), an electric heating wire (3) is provided at the bottom of the temperature control device (2), a liquid inlet (4) is provided on the other side of the temperature control device (2), and a motor (5) is provided on one side of the device housing (1). According to the multistage filtering device, the temperature of the electric heating wire (3) is regulated by means of the temperature control device (2), the motor (5) is driven to drive blades (9) to move, an aromatic hydrocarbon solvent is stirred to make internal components fully fused, and then filtering is carried out by means of a filtering screen (18) and filter cotton (19), so that rich filtering modes and an excellent filtering effect can be achieved; a cleaning solution is pumped into a high-pressure spray nozzle (20) by means of a liquid extraction pump (11), the motor (5) is driven to drive a transmission rod (8) and the blades (9) to move, the internal cleaning solution is stirred to clean the inner wall of the device housing (1), and then filtering is carried out by means of a liquid discharge pipe (17), so that a self-cleaning effect of the device can be achieved, and the service life of the device can be prolonged.

Classes IPC  ?

• B01F 27/70 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe horizontal ou incliné avec des palettes, des lames ou des bras
• B01F 35/11 - Entretien des mélangeurs utilisant des fluides
• B01F 35/12 - Entretien des mélangeurs utilisant des moyens mécaniques
• B01F 35/75 - Mécanismes d’évacuation
• B01F 35/93 - Systèmes de chauffage ou de refroidissement disposés à l'intérieur du récipient

Abrégé

A decolorizing device for petroleum methylnaphthalene, comprising a bottom plate (1). A tank body (2) and a storage box (3) are fixedly connected to the top of the bottom plate (1); an activated carbon adsorption layer (4) is fixedly connected inside the tank body (2); two filter plates (5) are mounted in the tank body (2) and located above the activated carbon adsorption layer (4); a decolorizing layer (6) is arranged between the two filter plates (5); a plurality of heating rods (7) are mounted inside the decolorizing layer (6); a temperature adjusting mechanism is arranged on the inner wall on one side of the decolorizing layer (6); a booster pump (8) is fixedly connected to one side of the tank body (2); one end of the booster pump (8) is fixedly connected to the storage box (3) by means of a pipe, and the other end of the booster pump (8) is fixedly connected to the tank body (2) by means of an oil inlet pipe (9). According to the device, the temperature in the decolorizing layer (6) can be regulated and controlled by means of the temperature adjusting mechanism while heating is carried out by using the heating rods (7), so that the temperature in the decolorizing layer (6) can be kept within an optimal decolorizing temperature range all the time, the decolorizing efficiency of the device is improved, and the vaporization and evaporation loss of methylnaphthalene is effectively avoided.

Classes IPC  ?

• B01D 36/00 - Circuits ou combinaisons de filtres avec d'autres dispositifs de séparation
• C07C 7/12 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par adsorption, c.-à-d. purification ou séparation d'hydrocarbures à l'aide de solides, p. ex. à l'aide d'échangeurs d'ions
• C07C 15/24 - Hydrocarbures polycycliques condensés contenant deux cycles

Abrégé

A mixing device for petroleum methylnaphthalene production, comprising a mixing tank (1). Support legs (2) are arranged at the lower end of the mixing tank (1), a material leaking port (3) is formed at the bottom end of the mixing tank (1), a feeding port (4) is formed at the top end of the mixing tank (1), a motor (5) is arranged at the top end of the mixing tank (1), a servo motor (6) is arranged at the top end of the mixing tank (1), a threaded rod (7) is arranged at the lower end of the servo motor (6), a first filtering layer (8) is arranged in the mixing tank (1), a second filtering layer (9) is arranged in the mixing tank (1), and a valve (10) is arranged at the bottom end of the mixing tank (1). A plurality of stirring and mixing rods are additionally arranged in the mixing tank (1), and during operation, mixed materials are placed in the mixing tank (1), the motor (5) at the top end drives an internal rotating rod (11) to rotate, and support rods (12) on two sides also rotate at the same time under transmission of a belt (13), so as to enhance mixing of the materials.

Classes IPC  ?

• B01F 27/90 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe sensiblement vertical avec des palettes ou des bras
• B01F 27/85 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe sensiblement vertical avec plusieurs agitateurs sur des arbres séparés
• B01J 8/10 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules mobiles mues par des agitateurs ou par des tambours rotatifs ou par des récipients tournants
• C11B 3/00 - Raffinage des graisses ou huiles

Abrégé

A high-insulation durene production device, comprising a tank body (1). The outer side of the tank body (1) is provided with a first heating jacket (2) and a second heating jacket (3); an agitating shaft (7) is provided at the center of the top of the tank body (1); the top of the agitating shaft (7) is provided with a connecting rod (8), and a connecting plate (9) is provided above the connecting rod (8); a cam (10) is provided below the left side of the connecting plate (9); a rotating shaft (11) is provided below the cam (10), and a motor (12) is provided below the rotating shaft (11); agitating rods (13) are provided on two sides of the agitating shaft (7); a filter screen (14) is provided inside the tank body (1); a snap block (15) is provided on the right side of the first heating jacket (2), and a snap hole (16) is provided inside the snap block (15); a sliding groove (17) is formed inside the second heating jacket (3); a sliding block (18) is provided inside the sliding groove (17), and an insertion rod (19) is provided below the sliding block (18); and a spring (20) is provided above the sliding block (18), and a slot (21) is provided below the sliding groove (17). The agitating shaft (7) and the motor (12) allow for more thorough agitation; and the first heating jacket (2) and second heating jacket (3) enable more uniform heating of the tank body (1).

Classes IPC  ?

• B01D 36/00 - Circuits ou combinaisons de filtres avec d'autres dispositifs de séparation
• B01J 19/18 - Réacteurs fixes avec éléments internes mobiles

Abrégé

An environment-friendly durene processing apparatus, comprising a sieving tank (1), wherein an air inlet (2) is provided in a side surface of the sieving tank (1), support legs (3) are provided at the bottom end of the sieving tank (1), a dust leakage port (4) is provided at the bottom end of the sieving tank (1), an air passage pipe (5) provided at one end of the sieving tank (1), a purification tank (6) is provided at one end of the sieving tank (1), and an exhaust port (7) is provided at an upper end of the purification tank (1); and an air suction pump (8) is arranged inside the sieving tank (1), a dust collection hopper (9) is arranged inside the sieving tank (1), and a dust filtering bag (10) is arranged inside the sieving tank (1). By means of the environment-friendly durene processing apparatus, dust is recovered, air containing dust is sucked, the dust inside is sieved, and undersize dust is recycled, such that the production cost is reduced, and resource waste is reduced.

Classes IPC  ?

• B01D 50/60 - Combinaisons de dispositifs couverts par les groupes et
• B01D 53/04 - 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 adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
• B01D 53/26 - Séchage des gaz ou vapeurs

Abrégé

A production monitoring and analysis method based on an image data algorithm includes: obtaining a reconstructed gray histogram according to a gray image of an image where a product identification code is located; obtaining a segmentation threshold of an Otsu algorithm for segmenting the reconstructed gray histogram, obtaining the adjustment of the gray level in the sub-gray histogram according to the number of pixels corresponding to each gray level in the reconstructed gray histogram and the segmentation threshold, correcting the sub-gray histogram to obtain a corrected sub-gray histogram according to the adjustment of the gray level in the sub-gray histogram, the lateral segmentation threshold of the sub-gray histogram, and all the gray levels greater than the lateral segmentation threshold, and obtaining an enhanced gray image according to the corrected sub-gray histogram. The method avoids the loss of original information when using histogram equalization for image enhancement.

Classes IPC  ?

• G06T 5/40 - Amélioration ou restauration d'image utilisant des techniques d'histogrammes
• G06V 10/764 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la classification, p. ex. des objets vidéo
• G06T 7/136 - DécoupageDétection de bords impliquant un seuillage

Abrégé

The present utility model relates to the technical field of durene processing, and in particular to an efficient durene crushing device. The device comprises a first box body and a second box body; fixing rods are fixedly connected to two sides of the top of the first box body, and a transverse plate is fixedly connected to the top ends of the two fixing rods; a first fixing box is fixedly connected to the bottom of the transverse plate, and a first motor is fixedly connected to the top of the inner wall of the first fixing box; a first vertical rod is fixedly connected to one end of an output shaft of the first motor, and the outer surface of the first vertical rod is fixedly connected to a first crushing member; a first screen and an inclined plate are fixedly connected between two sides of the inner wall of the first box body, the inclined plate is located at the bottom of the first screen, and one side of the first box body is communicated with one side of the second box body by means of a fixing cylinder. According to the present utility model, durene can be quickly and fully crushed in a durene processing process, and can be crushed for multiple times, so that the crushing efficiency is high, the crushing effect is good, and better and faster crushing and processing of durene can be ensured.

Classes IPC  ?

• B02C 18/10 - Désagrégation par couteaux ou autres organes coupants ou déchirants qui transforment le matériau en fragmentsHachoirs ou appareils similaires utilisant des vis ou analogue à couteaux rotatifs à l'intérieur de récipients verticaux les organes de transmission étant disposés au-dessus du récipient

Abrégé

A volatile gas treatment apparatus for aromatic hydrocarbon solvent production, comprising a first housing (1); a second housing (2) threadedly connected above the first housing (1); a connecting rod (7) fixedly mounted at a bottom end of a surface of the second housing (2), the other end of the connecting rod (7) being fixedly connected to a suspended airbag (8); a first mounting column (12) fixedly mounted at a middle position of a top of the second housing (2); a mounting slot (17) provided inside the second housing (2), an air pump (18) being fixedly mounted at one side of the interior of the mounting slot (17); a first purification box (20) fixedly mounted inside the second housing (2) at one side of the air pump (18); and a second purification box (22) fixedly mounted inside the second housing (2) at one side of the first purification box (20).

Classes IPC  ?

• B01D 53/18 - Unités d'absorptionDistributeurs de liquides
• B01D 53/02 - 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 adsorption, p. ex. chromatographie préparatoire en phase gazeuse

Abrégé

A durene melting device, comprising: a melting tank (1), a steam generator (5) arranged on one side of the upper surface of a pedestal (6), a steam conveying pipe (4) arranged at one end of the steam generator (5), and a spiral coil pipe (10) arranged in the melting tank (1). A feeding mechanism (2) is arranged on one side of the top of the melting tank (1), and a vibration mechanism (3) is arranged on the top of the melting tank (1) and at one side of the feeding mechanism (2). The feeding mechanism (2) comprises a feeding hopper (22), the feeding hopper (22) being arranged on one side of the top of the melting tank (1). A first crushing roller (21) and a second crushing roller (12) are symmetrically and rotatably arranged in the feeding hopper (22), one end of each of the first crushing roller (21) and the second crushing roller (23) being rotatably connected to one inner side surface of a transmission box (27), and one end of the first crushing roller (21) being connected to a driving shaft of a first motor (25) located on one side surface of the transmission box (27). The durene melting device can crush solid durene and uniformly vibrate the crushed durene, which helps the durene solid to fully contact steam, thereby improving gasification efficiency.

Classes IPC  ?

• B01D 7/00 - Sublimation
• B01J 8/00 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés

Abrégé

An anti-oxidation liquid durene conveying device, comprising a box body (3) and a storage box (6) provided in the box body (3). A moving-out assembly (1) is provided at the inner bottom of the box body (3), an exhaust assembly (5) is provided in the middle of the upper side surface of the box body (3), and second-level damping assemblies (4) are symmetrically arranged on two sides of the upper side surface of the box body (3); the moving-out assembly (1) comprises a bottom plate (15), a cover plate (7) is provided on one side surface of the bottom plate (15), a first-level damping assembly (8) is provided on the upper side surface of the bottom plate (15), a nut (14) is provided at the bottom of the bottom plate (15), one end of the nut (14) is connected to a cross lead screw (11), the cross lead screw (11) is rotationally arranged in an adjusting groove (12), the adjusting groove (12) is formed in the inner lower side surface of the box body (3), and one end of the cross lead screw (11) is connected to a first handwheel (13) located on one side surface of the box body (3).

Classes IPC  ?

• B65D 81/07 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques maintenant le contenu en position éloignée des parois de l'emballage ou des autres pièces du contenu utilisant des moyens de suspension élastiques
• B65D 81/20 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu fournissant une ambiance spécifique pour le contenu, p. ex. température supérieure ou inférieure à la température ambiante sous vide ou pression superatmosphérique ou en atmosphère spéciale, p. ex. sous gaz inerte
• B65D 25/00 - Parties constitutives des autres genres ou types de réceptacles rigides ou semi-rigides

Abrégé

A waste liquid treatment device for an aromatic hydrocarbon solvent, comprising a first storage box (1) and a sealing plate (4). A second storage box (2) is arranged at the top of the first storage box (1), and a third storage box (3) is arranged at the top of the second storage box (2); a fixed rod (5) is fixedly connected to the bottom of the sealing plate (4), and a filter screen (6) is fixedly connected to the outer surface of the fixed rod (5); a fixing member (7) is fixedly connected to the bottom end of the fixed rod (6), and cleaning bristles (8) are fixedly connected to the outer surface of the fixing member (7); one side of the top of the sealing plate (4) is in communication with a fixed pipe (14); the top of the first storage box (1), the top of the second storage box (2), and the top of the third storage box (3) are not closed.

Classes IPC  ?

• B01D 29/01 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants avec des éléments filtrants plats
• B01D 35/28 - Filtres non prévus ailleurs

Abrégé

The present utility model relates to the technical field of plasticizer production, and in particular, to a purity measurement device for plasticizer production. The device comprises a base, a plasticizer storage tank is fixedly connected to the top of the base, a cover plate is fixedly connected to the top of the plasticizer storage tank, a display is fixedly connected to the outer side of the plasticizer storage tank, and a measurement opening is formed inside the cover plate. According to the present utility model, a switch at the top of a power supply seat is extruded by means of the movement of a moving cover, such that the power supply seat is turned on at the moment; the power supply seat is turned on so as to start a motor, the motor drives a rotating shaft to rotate, and a first bevel gear is driven to rotate by means of the rotation of the rotating shaft; the first bevel gear is used in cooperation with a second bevel gear, such that a stirring column rotates inside the plasticizer storage tank so as to stir a plasticizer at the moment, thereby avoiding the precipitation of the plasticizer after long-time placement; and at the moment, the plasticizer inside the plasticizer storage tank is measured by a measurer, and a measurement result is displayed in the display on the outer side of the plasticizer storage tank.

Classes IPC  ?

• B01F 27/00 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins
• B01F 35/213 - Mesure des propriétés des mélanges, p. ex. de la température, de la densité ou de la couleur
• B01J 19/18 - Réacteurs fixes avec éléments internes mobiles
• G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes

Abrégé

A separation and purification device for durene, comprising a box body (1). Two sides of the inner wall of the box body (1) are provided with sliding grooves (2); the interiors of the two sliding grooves (2) are slidably connected to sliding pieces (3); two sides of the top and bottom of each sliding piece (3) are respectively fixedly connected to a first elastic piece (4) and a second elastic piece (5); the end of the first elastic piece (4) away from the sliding piece (3) is fixedly connected to a first screen (6); the end of the second elastic piece (5) away from the sliding piece (3) is fixedly connected to a second screen (7); a third screen (8) is fixedly connected between two sides of the inner wall of the sliding piece (3); and the top and the bottom of each sliding piece (3) are both provided with fixing holes (9).

Classes IPC  ?

• B07B 1/28 - Tamis mobiles non prévus ailleurs, p. ex. à oscillations, à mouvement alternatif, à balancement, à basculement ou à vacillement
• B07B 1/34 - Tamis mobiles non prévus ailleurs, p. ex. à oscillations, à mouvement alternatif, à balancement, à basculement ou à vacillement à secousses ou à mouvement alternatif, perpendiculairement ou approximativement perpendiculairement au plan du tamis
• C07C 15/02 - Hydrocarbures monocycliques

Abrégé

The present utility model relates to the technical field of detection for use in processing of an aromatic hydrocarbon solvent, and in particular to a sampling detection apparatus for use in processing of an aromatic hydrocarbon solvent. The sampling detection apparatus comprises a detection table, wherein a detection mechanism is mounted on the top surface of the detection table, and a supporting rod is vertically mounted on the top surface of the detection table. By means of the present utility model, cooperative use of a collecting pipe, a recycling box, a water tank, a water pipe, an electric cylinder and a return pipe facilitates cleaning of a sampling barrel. After the operation of the sampling barrel is completed, a worker opens a valve on the surface of the water pipe, the electric cylinder is then activated, such that the electric cylinder drives the collecting pipe to move directly below the sampling barrel, a pump is then activated, such that liquid in the water tank enters the sampling barrel through the water pipe under the action of the pump for flushing the sampling barrel, the flushed liquid falls into the collecting pipe through an outlet, and is then recycled into a collecting box through the return pipe for centralized purification. The mode is easy to operate, and cleaning of the sampling barrel is facilitated.

Classes IPC  ?

• G01N 1/14 - Dispositifs d'aspiration, p. ex. pompesDispositifs d'éjection
• G01N 31/22 - Utilisation des réactifs chimiques
• G01N 35/10 - Dispositifs pour transférer les échantillons vers, dans ou à partir de l'appareil d'analyse, p. ex. dispositifs d'aspiration, dispositifs d'injection

Abrégé

A mixing device for aromatic solvent production, comprising a first fixed box (1). Fixing slots (2) are formed in two sides of the inner wall of the first fixed box (1), and support plates (3) are slidably connected to the interiors of the two fixing slots (2); a vertical rod (4) is fixedly connected to the tops of the support plates (3); the upper end of the vertical rod (4) passes through the first fixed box (1) and extends to the top of the first fixed box (1); a second fixed box (5) is fixedly connected to the end of the vertical rod (4) extending to the top of the first fixed box (1); a first motor (6) is fixedly connected to the bottom of the inner wall of the first fixed box (1); a cam (7) is fixedly connected to one end of an output shaft of the first motor (6); a mixing box (8) is fixedly connected to the top of the second fixed box (5); a second motor (9) is fixedly connected to the bottom of the inner wall of the second fixed box (5); a rotating rod (10) is fixedly connected to one end of an output shaft of the second motor (9); the top end of the rotating rod (10) sequentially passes through the second fixed box (5) and the mixing box (8) and extends into the mixing box (8); a mixing plate (11) is fixedly connected to the outer surface of one end of the rotating rod (10) extending into the mixing box (8).

Classes IPC  ?

• B01F 31/65 - Mélangeurs avec mécanismes à secousses, oscillants ou vibrants les matières à mélanger étant directement soumises à un mouvement de pulsation, p. ex. au moyen d'un piston oscillant ou d'une colonne d'air

Abrégé

A multi-stage filtering device for producing an aromatic solvent, the device comprising a first fixing box (1), wherein a first box body (2) is fixedly connected to the bottom of the first fixing box; the bottom of the first box body (2) is fixedly connected to a second box body (3); the bottom of the second box body (3) is fixedly connected to a second fixing box (4); two electric motors (5) are respectively fixedly connected to the top of an inner wall of the first fixing box (1) and the bottom of an inner wall of the second fixing box (4); a first vertical rod (6) and a second vertical rod (7) are respectively fixedly connected to one end of an output shaft of each of the two electric motors (5); a first stirring member (8) and a second stirring member (9) are respectively fixedly connected to an outer surface of the first vertical rod (6) and an outer surface of the second vertical rod (7); a first filter screen (10) is fixedly connected between two sides of an inner wall of the second box body (3); a bottom plate (11) is fixedly connected to the bottom of the second fixing box (4); a connecting box (12) is fixedly connected to a side of the top of the bottom plate (11); and a second filter screen (13) is fixedly connected between two sides of an inner wall of the connecting box (12).

Classes IPC  ?

• B01D 29/56 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants à plusieurs éléments filtrants caractérisés par leur agencement relatif montés en série
• B01D 29/86 - Manipulation du gâteau de filtration dans le filtre pour des raisons autres que la régénération pour retarder le dépôt du gâteau sur le filtre pendant la filtration, p. ex. en utilisant des agitateurs

Abrégé

A constant-temperature water supply device for producing polyimide films. The water supply device comprises a storage box, wherein the top of the storage box is movably connected to a first fixing member, and the top of the first fixing member is movably connected to a second fixing member; the top of the second fixing member is movably connected to a third fixing member, and the top of the third fixing member is movably connected to a sealing member; the bottom of the first fixing member is in contact with the top of the storage box; the bottom of the second fixing member is in contact with the top of the first fixing member; the bottom of the third fixing member is in contact with the top of the second fixing member; and the bottom of the sealing member is in contact with the top of the third fixing member. The present utility model can be quickly and conveniently disassembled and assembled, such that it is easy to carry the constant-temperature water supply device for producing polyimide films. In addition, the present utility model can be adjusted according to a water supply amount during the production of polyimide films, and is thus convenient to use; and the water supply device can be partially replaced when damaged, thereby reducing waste of resources and achieving strong practicability.

Classes IPC  ?

• B65D 21/08 - Réceptacles de capacité variable
• B65D 21/00 - Réceptacles s'emboîtant, s'empilant ou s'assemblantRéceptacles de capacité variable
• B65D 21/036 - Réceptacles de forme spéciale ou pourvus de garnitures ou de pièces de fixation, pour faciliter l'emboîtement, le gerbage ou l'assemblage pour empiler des réceptacles les uns au-dessus des autres en position normale ou renversée, p. ex. présentant des éléments verticaux en saillie ou des parties en creux ayant des moyens de fermeture spécialement adaptés pour faciliter l'empilement

Abrégé

A continuous production apparatus for polyimide fibers, comprising an apparatus body. Support columns are aligned and mounted on the top surface of the apparatus body, and a transverse plate is provided between two support columns. The surface of the transverse plate is provided with a sliding rail, and a sliding block is slidably connected inside the sliding rail. By setting a cooperative use of the transverse plate, the sliding rail, the sliding block, a mounting plate, and a mounting groove, the present utility model can facilitate adjusting the number of bearing rods on the surface of the transverse plate. When a collection specification of the polyimide fibers is small, the number of bearing rods can be increased. Upon increasing, an operating person snaps the mounting plate to the surface of the transverse plate by means of the mounting groove, and then the sliding block and the sliding rail are slidably connected, thereby completing the increase of the bearing rods. When a winding specification of the polyimide fibers is large, the number of bearing rods can be reduced. Upon reduction, the operating person moves the mounting plate to the inside of the mounting groove of the surface of the transverse plate by means of the movement of the mounting plate, such that the sliding block is separated from the sliding rail, and then the mounting plate can be taken out by means of the mounting groove.

Classes IPC  ?

• B65G 1/02 - Dispositifs d'emmagasinage
• B65G 47/69 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter adaptés pour recevoir les objets arrivant d'un transporteur en une couche et pour les transférer en couches individuelles à plus d'un transporteur, ou vice versa, p. ex. en combinant l'écoulement des objets transportés par plus d'un transporteur les objets étant accumulés temporairement
• D04H 1/56 - Non-tissés formés uniquement ou principalement de fibres coupées ou autres fibres similaires relativement courtes à partir de voiles ou couches composés de fibres ne possédant pas des propriétés cohésives réelles ou potentielles par soudage des fibres ensembles, p. ex. par fusion partielle ou dissolution en association avec la formation de la fibre, p. ex. suivant immédiatement l'extrusion des fibres en brin

Abrégé

A pyromellitic dianhydride oxidation wastewater recycling device, comprising a treatment box, a crystallization box arranged on one side of a partition plate, and a filter box arranged on the other side of the partition plate. A medicine delivery assembly is arranged on the upper side surface of the crystallization box; a hierarchical filtering assembly is arranged in the filter box; the medicine delivery assembly comprises a crankshaft; the crankshaft is rotatably provided in a support box; one end of the crankshaft is hingedly connected to a connecting rod; the connecting rod is hingedly connected to a lug plate; a guide column is slidably arranged in a guide sleeve; the guide sleeve is embedded on an inner surface of an adjustment groove; a pushrod is provided on the other end of the guide column; one end of the pushrod is connected to an adjustment block; the adjustment block is slidably arranged in the adjustment groove; a carrier plate is arranged at the bottom of the adjustment block; a vertical water pipe is arranged at the bottom of the carrier plate; a flow splitting pipe is arranged at the bottom of the vertical water pipe; the flow splitting pipe is provided with a spray nozzle; the vertical water pipe is connected to a medicine storage box by means of a water conveying hose. According to the utility model, a crystallizing agent can be uniformly conveyed into the wastewater, the crystallization efficiency of the wastewater is improved, multi-stage filtration can be performed on the wastewater, and the wastewater treatment effect is improved.

Classes IPC  ?

• C02F 9/04 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout une étape au moins étant un traitement chimique

Abrégé

Provided is an apparatus for producing and preparing high-purity mesitylene, comprising an apparatus body (1). A pressurizing mechanism (2) is fixedly mounted inside the apparatus body (1); a mounting recess (3) is formed inside the apparatus body (1); an electric heating module (4) is fixedly mounted inside the mounting recess (3); a production cavity (5) is formed inside the apparatus body (1); a heat transfer braking mechanism (6) is fixedly mounted at the center of the inside of the production cavity (5); an automatic discharging mechanism (7) is fixedly mounted inside the production cavity (5) on the heat transfer braking mechanism (6) side; by means of the high temperature generated by distillation and the physical principle of thermal expansion of nitrogen, an air compressor (22) is started, and the inside of the apparatus is pressurized, so as to implement the transalkylation reaction of a mixture; after pressurization by the air compressor (22), the strong pressure of an alkyl reaction is strengthened, so that an elastic air bag (72) is deformed and a movable plate (74) is rotated, so as to implement the automated collection of mesitylene; and the occurrence of the transalkylation reaction is implemented at the same time of distillation, so that the prepared mesitylene has a high purity.

Classes IPC  ?

• C07C 15/06 - Toluène

Abrégé

A heat pipe heat exchanger for producing and processing pyromellitic dianhydride, comprising a heat exchanger housing; a first water distribution pipe, a second water distribution pipe and a third water distribution pipe which are disposed at the bottom of a cold water tank; a heat exchange assembly which is disposed in the heat exchanger housing; and a cleaning assembly which is disposed on one side at the top of the heat exchanger housing. The heat exchange assembly comprises a first heat exchange pipe, a second heat exchange pipe and a third heat exchange pipe. The third heat exchange pipe is rotatably connected to the third water distribution pipe via a third bearing. A driven belt wheel is sleeved on an upper portion of the first heat exchange pipe, and is connected to a first double-row belt wheel via a synchronous belt. The first double-row belt wheel is sleeved on an upper part of the second heat exchange pipe. A second double-row belt wheel is disposed on an upper part of the third heat exchange pipe. The second double-row belt wheel is connected to a driving belt wheel via the synchronous belt. The driving belt wheel is sleeved on a driving shaft. One end of the driving shaft is connected to an output shaft of a first motor. The present utility model can achieve uniform heat exchange and cooling of gaseous pyromellitic dianhydride, facilitates the cleaning of condensed pyromellitic dianhydride, and has a good cleaning effect.

Classes IPC  ?

• F28F 1/24 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant transversalement
• F28F 13/00 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution
• F28D 11/04 - Appareils échangeurs de chaleur utilisant des canalisations mobiles le mouvement étant rotatif, p. ex. effectué par un tambour ou un cylindre effectué par un tube ou un faisceau de tubes
• F28G 1/00 - Accessoires non rotatifs, p. ex. alternatifs
• F28D 15/02 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs

Abrégé

A rectification device for producing pseudocumene. The rectification device comprises a first box body, wherein the top of the first box body is provided with a fixing slot, and a second box body is clamped in the fixing slot; an inner wall of the fixing slot is fixedly connected to a first rubber pad and a second rubber pad, and a fixed pipe is fixedly connected between two sides of an inner wall of the second box body; the bottom of the outer surface of the fixed pipe is fixedly connected to a fixed rod; the bottom end of the fixed rod penetrates the first box body and extends into the first box body, and the end of the fixed rod that extends into the first box body is fixedly connected to a transverse plate; and the front face and two sides of the transverse plate are each fixedly connected to a third rubber pad. The present utility model can be cleaned quickly, conveniently and thoroughly in the process of producing and rectifying pseudocumene, thereby greatly reducing the burden on staff members during cleaning, improving the cleaning effect, and better and faster ensuring the rectification and production of pseudocumene. Thus, the present utility model has a good usage effect, and is suitable for promotion.

Classes IPC  ?

• B01D 3/14 - Distillation fractionnée
• B08B 9/08 - Nettoyage de récipients, p. ex. de réservoirs

Abrégé

A slitting apparatus for producing a polyimide film, comprising a base (4), a second guide roller (9) disposed in a lower portion of an inner portion of a tensioning bracket (7), and a winding roller (2) disposed in a winding bracket (3), a slitting assembly (1) being disposed at an upper portion of a surface of one side of the winding bracket. The slitting assembly comprises a support frame (101), the support frame being disposed at a surface of one side of the winding bracket; a bidirectional ball screw (104) rotatably disposed in a groove (102), a first nut (103) and a second nut (105) being symmetrically disposed at two sides of the bidirectional ball screw, one end of the first nut being provided with a first knife holder (109), a surface of one side of the first knife holder being provided with a first knife(108), one end of the second nut being provided with a second knife holder (106), a surface of one side of the second knife holder being provided with a second knife (107), and the first knife and the second knife being connected to the support frame by means of an angle adjusting structure. The slitting apparatus can quickly adjust the spacing and the slitting width of the first knife and the second knife, and can simultaneously adjust the angles of inclination of the first knife and the second knife, thereby facilitating slitting of polyimide films of different thicknesses.

Classes IPC  ?

• B26D 7/26 - Moyens de montage ou de réglage de l'outil de coupeMoyens de réglage de la course de l'outil de coupe

Abrégé

A nitrification device for mesitylene production, comprising a device housing. A motor is fixedly mounted in the middle of the top of the device housing; a nitrated compound inlet and a mixed acid inlet are respectively formed in the top of the device housing on two sides of the motor; a nitrification cavity and a heat dissipation cavity are formed inside the device housing; a rotating plate is rotatably mounted at a middle position inside the nitrification cavity; rotating rods are fixedly mounted on the circumferential surface of the rotating plate; a cross stirring paddle is rotatably mounted inside the nitrification cavity on one side of each rotating rod; and a connecting rod is fixedly mounted on a side surface of the cross stirring paddle. According to the present invention, a series of stirring structures are provided and a heating resistance wire is started by using rotating inertia, so that the stirring contact area can be effectively increased, a mixture is heated to a temperature suitable for a nitrification reaction, the nitrification effect is enhanced, and the nitrification efficiency is improved; and the synchronous transfer of high temperature, cooling, and heat dissipation can be achieved while heating is performed, so that the inside of the nitrification cavity can be always maintained at a temperature suitable for a nitrification reaction.

Classes IPC  ?

• C07C 205/06 - Composés contenant des groupes nitro liés à un squelette carboné ayant des groupes nitro liés à des atomes de carbone de cycles aromatiques à six chaînons
• C07C 201/14 - Préparation de composés nitrés par formation de groupes nitro combinée avec des réactions ne créant pas de groupes nitro
• B01J 19/18 - Réacteurs fixes avec éléments internes mobiles

Abrégé

A waste heat utilization device for use in production of 1,2,4-trimethylbenzene, comprising a first fixed member. A second fixed member is movably connected to the top of the first fixed member, and a third fixed member is movably connected to the top of the second fixed member; both the tops and the bottoms of the first fixed member and the second fixed member are not closed, and the bottom of the third fixed member is not closed; one side of the third fixed member is communicated with a first fixed pipe member, and the other side of the third fixed member is communicated with a second fixed pipe; and first sponge layers are fixedly connected to the inner walls of the first fixed member, the second fixed member, and the third fixed member. In the present utility model, waste heat in the production process of 1,2,4-trimethylbenzene can fully be collected and utilized, the collection effect is good, the use of the waste heat is more fully ensured, and a resource saving effect is achieved; disassembly and assembly are facilitated, such that it is convenient for a user to carry; the practicability is strong.

Classes IPC  ?

• F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou
• F28D 20/02 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou utilisant la chaleur latente
• B01D 3/06 - Distillation par évaporation brusque (flash)

Abrégé

A water washing apparatus for producing pyromellitic dianhydride, comprising a water washing tower, an air intake pipe arranged at the upper part of one side of the water washing tower, and an exhaust pipe arranged at the lower part of the other side of the water washing tower. An atomizing assembly is arranged on one side of an outer wall of the water washing tower. The atomizing assembly comprises a main water delivery pipe and a shunt pipe. One end of the main water delivery pipe is provided with the shunt pipe, and the other end of the main water delivery pipe is connected to external water delivery device. One end of the shunt pipe is provided with a first flow guide pipe. A first atomizing spray head is arranged on the outer surface of the first flow guide pipe, and a second flow guide pipe is arranged on the other end of the shunt pipe. A second atomizing spray head is arranged on the outer surface of the second flow guide pipe. The first flow guide pipe and the second flow guide pipe are connected to the water washing tower by means of a transmission assembly, and the transmission assembly is arranged on the other side of the outer wall of the water washing tower. In the present utility model, multi-stage atomized water may be sprayed into the water washing tower, which facilitates contact between tail gas and the atomized water. Meanwhile, the contact uniformity is good, and the treatment efficiency is high.

Classes IPC  ?

• B01D 47/06 - Nettoyage par pulvérisation
• B01D 53/18 - Unités d'absorptionDistributeurs de liquides

Abrégé

A filter device for use in a chemical pump, the filter device comprising a box body (1), wherein a connection plate (2) is welded on an outer wall of the top of the box body (1); a top sealing plate (3) is arranged on an outer wall of the top of the connection plate (2), and the top sealing plate (3) is fixedly connected to the connection plate (2) by means of a bolt; a baffle plate (4) is welded on an inner wall of the box body (1); a liquid intake pipe (5) is welded on an outer wall of one side of the box body (1), and the liquid intake pipe (5) is located above the baffle plate (4); a first filter plate (6) and a second filter plate (7) are fixedly mounted on an inner wall of the box body (1) by means of a bolt, and the second filter plate (7) is located directly above the first filter plate (6); and a liquid output pipe (8) is welded on an outer wall of one side of the box body (1) that is away from the liquid intake pipe (5), and the liquid output pipe (8) is located above the second filter plate (7).

Classes IPC  ?

• B01D 35/02 - Filtres adaptés à des endroits particuliers, p. ex. conduites, pompes, robinets
• F04D 29/70 - Grilles d'aspirationFiltresSéparateurs de poussièreNettoyage
• F04B 53/20 - Filtrage

Abrégé

A chemical solvent mixing device, comprising a fixed base (1) and a mixing box (2); the mixing box (2) is fixedly mounted at the top of the fixed base (1), a drive motor (3) is fixedly mounted at the bottom of the mixing box (2), a rotating water distribution pipe (4) is mounted on an output shaft of the drive motor (3), water spraying pipes (5) are symmetrically mounted on the rotating water distribution pipe (4), a water spraying head (6) is welded at one end of each water spraying pipe (5), a suction pump (8) is fixedly mounted at the top of the mixing box (2), a conduit (9) is mounted at a discharge end of the suction pump (8), the conduit (9) penetrates through the top of the mixing box (2), a water suction pipe (12) and a return pipe (13) are provided at a water suction end of the mixing box (2), and one end of the return pipe (13) is in communication with the bottom end of the mixing box (2). Mixing of a solvent is achieved by means of a structure in which the rotating water distribution pipe (4) is used in conjunction with the water spraying pipes (5), two mixing effects, i.e., stirring and flushing mixing can be both achieved, and materials on the inner wall can also be mixed, thereby increasing the mixing efficiency.

Classes IPC  ?

• B01F 7/18 - Mélangeurs à agitateurs tournant dans des récipients fixes; Pétrins avec agitateurs tournant autour d'un axe vertical à pales ou à bras
• B01J 19/18 - Réacteurs fixes avec éléments internes mobiles
• B01J 19/26 - Réacteurs du type à injecteur, c.-à-d. dans lesquels la distribution des réactifs de départ dans le réacteur est effectuée par introduction ou injection au moyen d'injecteurs

Abrégé

A chemical product loading and sealing device, comprising a storage tank (1). A fixed seat (2) is fixedly mounted at the bottom of the storage tank (1), a bearing platform (3) is fixedly mounted on the fixed seat (2), six bearing seats (4) are fixedly mounted on the bearing platform (3), six water pipes (5) are fixedly mounted at the end of the storage tank (1) that is near the bottom, an electromagnetic valve (6) is fixedly mounted on the water pipe (5), a mounting plate (7) is fixedly mounted in the storage tank, a rotary shaft (8) is rotationally mounted on the mounting plate, six peripherally and uniformly distributed open-close levers (9) are fixedly mounted on the rotary shaft (8), an electric motor (10) is fixedly mounted in the fixed seat (2), and one end of the rotary shaft (8) passes through the storage tank (1) and is then connected to and mounted on an output shaft of the electric motor (10). The simultaneous loading of a plurality of barrels of a product can be realized by means of providing a plurality of water pipes (5) and a plurality of bearing seats (4), and the single-person supervision of the loading process of the plurality of barrels of the product can be realized by means of providing the open-close levers (9) and independent electromagnetic valves (6), thereby improving the loading efficiency; and the device is low in cost, convenient to operate and has strong practicability.

Classes IPC  ?

• B65B 43/56 - Moyens pour tenir les réceptacles ou les récipients pendant le remplissage avec déplacement par positions successives pour présenter le réceptacle ou récipient en vue de recevoir des apports successifs du contenu

Abrégé

A chemical barrel placing rack, relating to the technical scope of placing racks. The chemical barrel placing rack comprises a placing rack body (1), wherein barrel placing recesses (2) are symmetrically provided in two sides of the placing rack body (1); grooves (3) are provided in inner walls of the placing rack body (1) that are above the barrel placing recesses (2); and telescopic rods (4) are fixedly arranged in the grooves (3). The chemical barrel placing rack is compact in structure and occupies a small amount of space, thereby increasing the space utilization rate, and facilitating the placement of barrels of different sizes. Moreover, inner walls of the barrels of different sizes can be cleaned, thereby preventing residual chemical substances from polluting other chemical substances. Therefore, the chemical barrel placing rack is more convenient to use.

Classes IPC  ?

• B08B 9/08 - Nettoyage de récipients, p. ex. de réservoirs

Abrégé

A centrifuge for chemical production. The centrifuge comprises an outer casing body (1); supporting assemblies (2) are fixedly mounted on the outer wall of the bottom of the outer casing body (1); a motor (3) is fixedly mounted on the outer wall of the bottom of the outer casing body (1); an output end of the motor (3) is fixedly connected to a rotating shaft (4), the top end of the rotating shaft (4) is fixedly connected to a centrifugal cylinder (5), and the centrifugal cylinder (5) is located inside the outer casing body (1); first sliding grooves (6) are formed on the outer wall of the top of a bottom plate of the outer casing body (1), a first sliding block (7) is provided inside each of the first sliding grooves (6), and the top end of each first sliding block (7) and the centrifugal cylinder (5) are welded together; a top plate (10) is fixedly mounted on the outer wall of the top of the outer casing body (1); second sliding grooves (11) are formed on the outer wall of the bottom of the top plate (10), a second sliding block (12) is provided inside each of the second sliding grooves (11), and the bottom end of each second sliding block (12) and the centrifugal cylinder (5) are welded together. Two sets of sliding blocks and sliding grooves are provided so that a wide range of swing would not occur in the rotating process of the centrifugal cylinder (5), and the whole device has good stability; a better shock absorption effect can further be achieved by means of the supporting assemblies (2) that are provided, thus further improving the stability of the whole device.

Classes IPC  ?

• B04B 7/00 - Éléments des centrifugeurs
• B04B 7/02 - BâtisCouvercles
• B04B 7/18 - Tambours rotatifs formés ou revêtus d'éléments filtrants ou à tamis
• B04B 15/00 - Autres accessoires pour centrifugeurs
• F16F 15/067 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens élastiques avec ressorts métalliques utilisant uniquement des ressorts enroulés

Abrégé

An easily maintainable chemical reactor comprises a reactor body (1), an upper end cover (2), and a lower end cover (3). The upper end cover (2) and the reactor body (1) are threadedly connected, the reactor body (1) and the lower end cover (3) are fixedly connected by means of a connection disc (4), and an inner compartment (13) is sleeved inside the reactor body (1).

Classes IPC  ?

• B01J 19/18 - Réacteurs fixes avec éléments internes mobiles

Abrégé

A pressing-plate-type crusher for chemical use. The crusher comprises a box body (1), wherein a crushing box (7) is fixedly mounted at the upper end of the box body (1); and crushing rollers (12) are arranged inside the crushing box (7). When the crusher is used, the crushing rollers (12) are driven by a servo motor (13) to rotate, such that the crushing rollers (12) carry out a crushing treatment on relatively large blocky raw materials, thereby pre-treating chemical raw materials, such that the pre-treated raw materials fall into a space between a movable pressing plate (6) and a fixed pressing plate (4) through a flow guide plate (9); a power device (5) drives the movable pressing plate (6) to vibrate, so as to carry out a further crushing treatment on the raw materials, thereby increasing the processing speed of the raw materials, preventing a blockage between the movable pressing plate (6) and the fixed pressing plate (4) caused by the relatively large raw materials, and reducing wear of the movable pressing plate (6) and the fixed pressing plate (4); and universal wheels (11) are arranged, thereby facilitating movement.

Classes IPC  ?

• B02C 1/04 - Broyeurs à mâchoires à mâchoires à simple action

Abrégé

A chemical material storage bottle cleaning device, comprises a support table (1). A cleaning recess (2) is formed on the upper surface of the support table (1); the lower end of the cleaning recess (2) is fixedly connected to a downflow pipe (3); a cavity (5) is formed in the support table (1); a dryer (6) is provided in the cavity (5); the output end of the dryer (6) is connected to a drying pipe (7); the other end of the drying pipe (7) runs through the cavity (5) and extends to the outside to be connected to water control rods (8); the lower end of the downflow pipe (3) is movably connected to a sewage treatment mechanism. By providing related structures such as the water control rod and the dryer, a cleaned storage bottle can be put on the water control rod for water control, and the dryer blows hot air out from air outlets on the outer surface of the water control rod, thereby achieving the effect of drying the storage bottle, such that the cleaning efficiency is improved and it is more convenient to use; by providing the sewage treatment mechanism, sewage after cleaning can be treated using physical adsorption and chemical neutralization methods and then discharged to the outside, so that pollution to the outside environment is avoided.

Classes IPC  ?

• B08B 9/28 - Nettoyage de récipients, p. ex. de réservoirs en utilisant des appareils dans ou sur lesquels les récipients, p. ex. des bouteilles, des bocaux, des bidons, sont amenés les appareillages nettoyant par des projections, par des pulvérisations ou par des jets, avec ou sans immersion
• B08B 9/36 - Nettoyage de récipients, p. ex. de réservoirs en utilisant des appareils dans ou sur lesquels les récipients, p. ex. des bouteilles, des bocaux, des bidons, sont amenés les appareillages nettoyant au moyen de brosses
• B08B 9/42 - Nettoyage de récipients, p. ex. de réservoirs en utilisant des appareils dans ou sur lesquels les récipients, p. ex. des bouteilles, des bocaux, des bidons, sont amenés les appareillages étant caractérisés par des moyens de transport des récipients qui les traversent

Abrégé

A chemical raw material screening device, comprising a housing (1). A telescopic electric motor (3) is arranged inside the housing, and the telescopic electric motor (3) drives a screen frame (2) to reciprocate, so that raw materials are screened by means of a screen mesh (4). A guide plate (8) is further arranged inside the housing, such that the raw materials are prevented from falling onto the telescopic electric motor (3). During screening, finer raw materials fall onto a flow guide plate (7) by means of the screen mesh (4) and are discharged through a second through hole (6); and larger particles are discharged through a first through hole (5), thereby realizing separation of the two. In addition, a second servo electric motor (15) and a first servo electric motor (12) are further arranged inside the housing (1), wherein the first servo electric motor (12) drives a brush (14) to rotate, thereby facilitating the cleaning of the lower surface of the screen mesh (4), and preventing the finer raw materials from being attached to the lower surface of the screen mesh (4); and the second servo electric motor (15) drives a sliding block (11) to move on a sliding rail (10), so that the brush (14) moves, thereby improving the cleaning effect of the screen mesh and facilitating the use thereof.

Classes IPC  ?

• B07B 1/32 - Tamis mobiles non prévus ailleurs, p. ex. à oscillations, à mouvement alternatif, à balancement, à basculement ou à vacillement à secousses ou à mouvement alternatif, selon leur propre plan, perpendiculairement au sens de progression des matériaux
• B07B 1/46 - Éléments de structure constitutifs des tamis en généralNettoyage ou chauffage des tamis
• B07B 1/52 - Nettoyage par des brosses ou racloirs
• B07B 1/42 - Mécanismes d'entraînement, dispositifs de régulation ou de commande, ou dispositifs d'équilibrage, spécialement adaptés aux tamis

Abrégé

A rotary chemical packaging apparatus, comprising a packaging box (1) and a knob (2). A cooling cavity (5), a reagent placing cavity (4), and a controlled rotating cavity (3) are provided in the packaging box (1); the controlled rotating cavity (3) is provided in the packaging box (1); the reagent placing cavity (4) is provided at the bottom of the controlled rotating cavity (3); the cooling cavity (5) is provided at the bottom of reagent placing cavity (4); the knob (2) is provided at one side of the packaging box (1). A reagent is placed on a reagent tray (10) provided on the reagent placing cavity (4), and is fixed on a reagent clamp (18) under the action of a reagent storage spring, and connecting blocks (11) are fixed in slots (14) on a support platform (12) by means of sliding blocks (15) of the connecting blocks (11), so as to save a reagent storage space; a rotary motor (22) in the cooling cavity (5) drives a fan (21) to rotate, and air generated by the fan (21) can transport cold air produced by refrigeration blocks (19) to the reagent placing cavity (4), so that the temperature in the rotary chemical packaging apparatus is reduced, and the reagent has a good storage state.

Classes IPC  ?

• B65D 25/02 - Garnitures internes
• B65D 81/18 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu fournissant une ambiance spécifique pour le contenu, p. ex. température supérieure ou inférieure à la température ambiante

Abrégé

A chemical product crystallization device, comprising a support (1), a heat insulation cylinder (2), a circular hole (23), a heat-conducting cylinder (3), a sealing plug (31), a connecting rod (35), a push plate (36), and a rotating shaft (37). The heat insulation cylinder (2) is fixed on the upper end of the support (1); the circular hole (23) is provided on one end of the outer side surface of the heat insulation cylinder (2); one end of the heat-conducting cylinder (3) is mounted inside the circular hole (23), and the end of the heat-conducting cylinder (3) distant from the circular hole (23) is connected to the rotating shaft (37); the end of the rotating shaft (37) distant from the heat-conducting cylinder (3) passes through a sealed bearing (38) and extends to the outside of the heat-insulating cylinder (2); the sealing bearing (38) is fixed inside a through hole; the through hole is provided on the end of the outer surface of the heat insulation cylinder (2) distant from the circular hole (23); the push plate (36) is provided in the heat-conducting cylinder (3) at the end thereof close to the shaft (37); the connecting rod (35) is fixed at the upper edge of the side of the push plate (36) distant from the rotating shaft (37); the end of the connecting rod (35) distant from the push plate (36) is fixed on the outer surface of the sealing plug (31); the sealing plug (31) is mounted inside the heat-conducting cylinder (3) at the end thereof close to the circular hole (23).

Classes IPC  ?

• B01D 9/02 - Cristallisation à partir de solutions

Abrégé

A chemical waste liquid recovery device, comprising a recovery box (1), wherein an external box (2) is provided on the surface of an outside surface of the recovery box (1), and a heating box (3) is provided on the other side of the recovery box (1); a storage box (4) is provided on the outer side of the heating box (3), and the heating box (3) is in communication with the storage box (4) by means of a liquid through channel (41); a motor box (5) is provided at the bottom of the inner wall of the recovery box (1), and a motor is provided inside the motor box (5); a rotating plate (51) is provided on the surface of the motor box (5), and the rotating plate (51) is in transmission connection to an output shaft of the motor; and clamping bases (6) are provided on both sides of the inner wall of the recovery box (1). By providing the device with the external box (2), the motor box (5) and a scrubbing pad (54), after waste liquid enters the recovery box (1) and is filtered, a discharging valve (21) is opened, a flocculant is poured into the recovery box (1), and the motor in the motor box (5) works to drive the rotating plate (51) and a lifting plate (52) at the top to rotate, the scrubbing pad (54) scrubs the inner wall of the recovery box (1), and meanwhile, an electric push rod (53) works and can push the lifting plate (52) to rise so as to adjust the height of the scrubbing pad (54). Thus, microorganisms in the waste liquid are prevented from adhering to the inner wall of the recovery box (1). Meanwhile, a stirring rod (56) rotates to accelerate flowing of the waste liquid, so that the microorganisms in the waste liquid rapidly coagulate.

Classes IPC  ?

• C02F 9/10 - Traitement thermique

Abrégé

Disclosed is an industrial chemical raw material fast cooling device. The industrial chemical fast cooling device comprises an outer box (2), a vibration machine (3), a refrigeration apparatus (5), a blower (6), a serpentine pipe (7), an inner box (8), a first guide plate (9) and a second guide plate (10). The lower right end of the outer box (2) is fixedly connected to the refrigeration apparatus (5), the upper right end of the outer box (2) is fixedly connected to the blower (6), the inner box (8) is movably mounted inside the outer box (2), the vibration machine (3) is fixedly connected at the middle position of the front end of the outer box (2), a piston rod of the vibration machine (3) passes through the outer box (2) and is fixedly connected to the inner box (8), the right end of the inner box (8) is fixedly connected to the serpentine pipe (7), an inner right wall of the inner box (8) is fixedly connected to at least two second guide plates (10), an inner left wall of the inner box (8) is fixedly connected to at least one first guide plate (9), and the first guide plate (9) and the second guide plates (10) are arranged in an alternate manner. The cooling device uses the vibration machine to enable industrial chemicals to fall and move along the upper ends of the first guide plate (9) and the second guide plates (10), such that the contact area between the industrial chemicals and cooling air is increased, the efficiency of cooling the industrial chemicals is increased, damage to the industrial chemicals is effectively avoided, and the quality of the industrial chemicals is increased.

Classes IPC  ?

• F28D 7/08 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations ayant une autre courbure, p. ex. en serpentins ou en zigzag

Abrégé

A dust suction device for a chemical raw material, comprising a dust suction box (2), a first limit frame (3), a first opening (4), a second limit frame (5), a first mounting frame (6), a second opening (7), and a second mounting frame (8). The first opening (4) is provided at a middle position on the upper end surface of the dust suction box (2); the first limit frame (3) is fixed on one side of the edge of the upper surface of the dust suction box (2) outside the first opening (4); the second limit frame (5) is fixed on the side, distant from the first limit frame (3), of the upper surface of the dust suction box (2) outside the first opening (4); both upper ends of the first mounting frame (6) are respectively fastened inside the first limit frame (3) and the second limit frame (5); the lower end of the first mounting frame (6) passes through the first opening (4) and extends into the dust suction box (2); a wet sponge block (62) is mounted inside the first mounting frame (6); the second opening (7) is provided on one side of the upper surface of the dust suction box (2) outside the first opening (4); the upper end of the second mounting frame (8) is mounted inside the second opening (7), and the lower end of the second mounting frame (8) extends into the dust suction box (2); a filter screen (82) is fixed inside the second mounting frame (8). The device has a reasonable structure, facilitates cleaning of the filter screen and the wet sponge block, and has a good dust suction effect.

Classes IPC  ?

• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B01D 46/24 - Séparateurs de particules utilisant des corps filtrants creux et rigides, p. ex. appareils de précipitation de poussières
• B01D 53/04 - 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 adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes

Abrégé

A raw material filtering device for pyromellitic dianhydride production, comprising a box body (1), a first support plate (21), a second support plate (23), a carrying frame (31), a filter screen (3), and an opening (32); wherein the first support plate (21) is fixed on one side of the inner wall of the box body (1); the second support plate (23) is fixed on the side in the box body (1) away from the first support plate (21); a first concave platform (22) is machined on the end of the upper side of the first support plate (21) close to the second support plate (23); a second concave platform is machined on the end of the upper side of the second support plate (23) close to the first support plate (21); two ends of the carrying frame (31) are respectively mounted in the first concave platform (22) and the second concave platform; the filter screen (3) is fixed in the carrying frame (31); the opening (32) is formed in the box body (1) between the first support plate (21) and the second support plate (23), and the end of the carrying frame (31) away from the first support plate (21) and the second support plate (23) is clamped in the opening (32); a pull plate (33) is fixed on the end of the carrying frame (31) away from the interior of the box body (1), and is attached to the outer surface of the box body (1). The device is simple in structure and facilitates filtering impurities in raw materials.

Classes IPC  ?

• B01D 35/16 - Dispositifs de nettoyage
• B01D 35/28 - Filtres non prévus ailleurs
• C07D 207/00 - Composés hétérocycliques contenant des cycles à cinq chaînons, non condensés avec d'autres cycles, ne comportant qu'un atome d'azote comme unique hétéro-atome du cycle

Abrégé

A durene separating reaction kettle, comprising a reaction kettle body (5), a first distillation chamber (51), a second distillation chamber (53), a third distillation chamber (55), a cooling box (8), a first cooling chamber (84), and a second cooling chamber (86); the first distillation chamber (51) is provided on one end inside the reaction kettle body (5); the second distillation chamber (53) is provided at a position inside the reaction kettle body (5) close to the first distillation chamber (51), and the third distillation chamber (55) is provided on the end inside the reaction kettle body (5) distant from the first distillation chamber (51); the cooling box (8) is mounted at the middle position of the upper end face of the reaction kettle body (5); a first heating tube (52) is mounted inside the first distillation chamber (51), and the lower end of the first heating tube (52) passes through the first distillation chamber (51) and a base (1) and is connected to a first controller (2); a second heating tube (54) is mounted inside the second distillation chamber (53), and the lower end of the second heating tube (54) passes through the second distillation chamber (53) and the base (1) and is connected to a second controller (3); a third heating tube (56) is mounted inside the third distillation chamber (55), and the lower end of the third heating tube (56) passes through the third distillation chamber (55) and the base (1) and is connected to a third controller (4).

Classes IPC  ?

• B01D 3/00 - Distillation ou procédés d'échange apparentés dans lesquels des liquides sont en contact avec des milieux gazeux, p. ex. extraction
• B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés

Abrégé

A refrigeration liquid delivery device for a durene crystallization kettle, comprising a square pipe, a first bracket, a delivery pipe, a second bracket, a connection pipe, a short pipe, a vertical pipe, and a delivery pump. The upper end of the square tube passes through the first bracket, and is connected to the delivery pipe. The end of the first bracket facing away from the square tube is connected to the outer surface of the second bracket. The second bracket is fixed on the ground on the outer side of a refrigeration liquid pool. A winding shaft is mounted on the side of the upper end of the second bracket close to the square tube. A lifting rope is wound on the annular side surface of the winding shaft. The lower end of the lifting rope is connected to an upper surface of a carrier. The lower side surface of the carrier is attached to the bottom surface of the refrigeration liquid pool. The delivery pump is mounted on the upper end of the carrier, and the upper end of the delivery pump is connected to the vertical pipe. The short pipe is fixed to the side of the upper end of the vertical pipe close to the square pipe. The connection pipe is sleeved on the end of the short pipe close to the square pipe. The end of the connection pipe facing away from the vertical pipe is tightly attached to the outer surface of the square pipe on the outer side of a communication hole. The present utility model features a proper structure and is easy to repair.

Classes IPC  ?

• F17D 1/14 - Transfert des liquides ou des produits visqueux par pompage
• F16L 41/08 - Raccordements des tuyaux aux parois ou à d'autres tuyaux, dans lesquels l'axe du tuyau est perpendiculaire au plan de la paroi ou à l'axe de l'autre tuyau
• B66F 7/02 - Châssis de levage, p. ex. pour lever des véhiculesAscenseurs à tablier à tabliers suspendus à des cordes, des câbles ou des chaînes
• B66F 7/28 - Détails de structure, p. ex. butées d'arrêt, organes de support pivotants, curseurs coulissants réglables aux dimensions de la charge
• B01D 9/00 - Cristallisation
• C07C 15/02 - Hydrocarbures monocycliques
• C07C 7/04 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par distillation
• C07C 7/14 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par cristallisationPurification ou séparation des cristaux

Abrégé

Disclosed is a filter machine for separating durene. The filter machine comprises a base (1), a material cylinder (3), a feed hopper (4), a feed pipe (42), a support (6), a filter cylinder (7), a rotary shaft (72), a rotary base (73), a rotary table (74) and a liquid collection cavity (8). The material cylinder (3) is mounted at the middle position of the upper surface of the base (1); the rotary base (73) is mounted on the upper surface of the base (1) inside the material cylinder (3), and the filter cylinder (7) is fixed at an edge position of an upper side face of the rotary base (73); the liquid collection cavity (8) is arranged between the rotary base (73) and the material cylinder (3); the lower end of the rotary table (74) is fixed to the upper end of the filter cylinder (7); a cylindrical slot is machined on an upper end face inside the material cylinder (3), and the rotary table (74) is mounted inside the cylindrical slot; the feed pipe (42) is mounted on the support (6) of an upper side of the material cylinder (3) in a penetrating manner, and the upper end of the feed pipe (42) is connected to the feed hopper (4); the feed hopper (4) is mounted on the upper surface of the support (6), and a rubber stopper (41) is mounted inside the feed hopper (4); the lower end of the feed pipe (42) is mounted on the upper end of the material cylinder (3) in a penetrating manner, and passes through the rotary table (74) to extend into the filter cylinder (7); and the rotary shaft (72) is fixed at the middle position of a lower end face of the rotary base (73), and the lower end of the rotary shaft (72) passes through an upper side face of the base (1) and extends into a mounting slot (2). The filter machine is simple in terms of structure and has a good filter effect.

Classes IPC  ?

• B04B 7/16 - Tamis ou filtres
• B04B 7/18 - Tambours rotatifs formés ou revêtus d'éléments filtrants ou à tamis
• B04B 15/06 - Autres accessoires pour centrifugeurs pour nettoyer les tambours, les filtres, les tamis, les garnitures ou similaires
• B04B 11/04 - Alimentation ou déchargement cycliqueSystèmes de commande à cet effet

Abrégé

Disclosed is a heat-conducting oil return flow cooling device for surfactant preparation. The device comprises a first support strip, a heat-conducting pipe, a second support strip, a first connecting pipe, a circulating pump and a second connecting pipe. The heat-conducting pipe is wound on the outer surface of a reaction kettle; the first support strip and the second support strip are respectively arranged at two sides of the reaction kettle; the lower end of the heat-conducting pipe fits closely with an inner wall of the first support strip and the second support strip; the upper end of the heat-conducting pipe is connected to the first connecting pipe, and one end of the first connecting pipe that is away from the heat-conducting pipe passes through a thermal insulation cylinder and is connected to a heat-conducing inner core; the heat-conducting inner core is mounted inside the thermal insulation cylinder; the lower end of the heat-conducting inner core is connected to the circulating pump, and one end of the circulating pump that is away from the heat-conducting inner core is connected to the second connecting pipe; the thermal insulation cylinder and the circulating pump are mounted on an upper side face of a base; one end of the second connecting pipe that is away from the heat-conducting inner core passes through the thermal insulation cylinder, and is connected to the lower end of the heat-conducting pipe; and the upper end of the thermal insulation cylinder has a liquid nitrogen intake pipe mounted thereon. In the present utility model, the structure is simple and the cooling effect on heat-conducting oil is good.

Classes IPC  ?

• B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés

Abrégé

A pre-mixing device for a chemical reactor, comprising a pre-processing tank (6); a stirring assembly (1) is provided at the upper portion of the pre-processing tank (6), a discharging pipe (2) is provided at one side of the lower portion of the pre-processing tank (6), and a supporting frame (3) is provided at the middle portion of the pre-processing tank (6); the stirring assembly (1) comprises a stirring shaft (15), the stirring shaft (15) is rotatably provided at the inner middle portion of the pre-processing tank (6), the upper end of the stirring shaft (15) is connected to a driving shaft of a stirring motor (14) by means of a coupling, the stirring motor (14) is mounted at a top position of the pre-processing tank (6), stirring blades (13) are provided at the upper portion of the stirring shaft (15), connecting rods (157) are provided at the lower portion of the stirring shaft (15), a ball bearing (158) is fixed at one end of each of the connecting rods (157), auxiliary rotating shafts (155) are inserted in the ball bearings (158), gears (156) are fixed on the auxiliary rotating shafts (155), the gears (156) engage with a ring gear (153) by means of the gears (156), the ring gear (153) is fixed on a support (154), the support (154) is fixed at the lower portion of the inner wall of the pre-processing tank (6), and the auxiliary rotating shafts (155) are provided with auxiliary blades (151).

Classes IPC  ?

• B01F 7/14 - Mélangeurs à agitateurs tournant dans des récipients fixes; Pétrins avec agitateurs tournant autour d'un axe horizontal ou incliné à agitateurs animés d'un mouvement planétaire

Abrégé

Disclosed in the present utility model is a production system for naphthalenesulfonic acid, comprising a reaction kettle, a devolatilization device, a collection device, a separating device, which are connected in sequence, and also a pre-storage tank connected to the discharge port of the devolatilization device, a finished product storage tank, a naphthalene storage tank and a sulfuric acid storage tank. The pre-storage tank communicates with the reaction kettle and the finished product storage tank, respectively. The reaction kettle comprises a kettle body, a thermometer provided at a lower portion of the kettle body, a pressure gauge provided at an upper portion of the kettle body, an emptying pipe communicating with an emptying port provided at an upper end portion of the kettle body, and a cooling device provided at the bottom of the kettle body. The kettle body is further provided with an opening and closing cover for opening and closing the emptying port and located in the emptying pipe. The opening and closing cover is an upwardly protruding arc-shaped cover plate, one end of the arc-shaped cover plate being rotatably connected to the kettle body, and the other end being pressed on the kettle body. The naphthalene storage tank and the sulfuric acid storage tank are respectively in communication with the upper portion of the kettle body. The naphthalene outlet of the separation device is in communication with the naphthalene storage tank. The present utility model has high production efficiency, is environmentally friendly, and has a high conversion rate of the target product.

Classes IPC  ?

• C07C 303/42 - SéparationPurificationStabilisationEmploi d'additifs
• C07C 303/06 - Préparation d'esters ou d'amides d'acides sulfuriquesPréparation d'acides sulfoniques ou de leurs esters, halogénures, anhydrides ou amides d'acides sulfoniques ou de leurs halogénures par substitution d'atomes d'hydrogène par des groupes sulfo ou halogénosulfonyle par réaction avec l'acide sulfurique ou l'anhydride sulfurique
• C07C 309/35 - Acides naphtalènesulfoniques
• C07C 15/24 - Hydrocarbures polycycliques condensés contenant deux cycles

Abrégé

Disclosed is a system for purifying an aromatic solvent oil, comprising a crude aromatic solvent oil storage tank (1), a crystallization device (3) and a finished product storage tank (4), and a precooling device (2) which are connected successively. The precooling device (2) includes a precooling tank body (21) and circulating cooling water filled inside the precooling tank body (21). The crystallization device (3) includes a crystallization tank body (31), a cooling source (32) provided at the top of the crystallization tank body (31), a bottom filter screen (33), and a thermometer (34) on the crystallization tank body (31), the middle part of the filter screen (33) is raised, and two ends thereof are removably connected with inside walls of two opposite sides of the crystallization tank body (31), respectively, and the two opposite side walls of the crystallization tank body (31) are respectively arranged with a naphthalene crystal discharge port (311). The system is simple and efficient, and can maximally remove naphthalene in an aromatic solvent oil.

Classes IPC  ?

• C10G 31/06 - Raffinage des huiles d'hydrocarbures, en l'absence d'hydrogène, par des méthodes non prévues ailleurs par chauffage, refroidissement ou traitement par la pression
• B01D 9/02 - Cristallisation à partir de solutions

Abrégé

A residue oil hydrogenation production system, comprising a reactor, a hot high-pressure separator (5), a cooler (6), and an oil-water-gas separator (7) communicating in sequence, and a catalytic cracking device (8) communicating with a liquid outlet of the hot high-pressure separator (5). The reactor comprises a residue oil preheater (1), an upflow reactor (2), and a trickle bed reactor communicating in sequence, and a hydrogen transfer pipe (17) communicating with an inlet of the upflow reactor (2). The trickle bed reactor comprises a plurality of first fixed-bed reactors (3) connected in parallel with each other and communicating with the upflow reactor (2) respectively and a second fixed-bed reactor (4) communicating with the plurality of first fixed-bed reactors (3) respectively. The second fixed-bed reactor (4) is in communication with the hot high-pressure separator (5). A hydrogen recovery outlet of the oil-water-gas separator (7) is in communication with an inlet of the first fixed-bed reactors (3). A discharge port of the catalytic cracking device (8) is in communication with a feed port of the hot high-pressure separator (5), and a catalyst bed layer is provided in the hot high-pressure separator (5).

Classes IPC  ?

• C10G 65/04 - Traitement des huiles d'hydrocarbures, uniquement par plusieurs procédés d'hydrotraitement uniquement par plusieurs étapes en série ne comprenant que des étapes de raffinage