73results about How to "Facilitate continuous production" patented technology

The invention relates to the technical field of gas purity detection, in particular to a gas source purity detection device and a gallium nitride production system. The gas source purity detection device comprises a main pipe body, a supporting piece, a control ring, a moving arm and a concentration sensor. The main pipe body is used for being connected with an air source pipeline. The control ring is rotationally matched with the supporting piece and driven by the driver, and the control ring and the outer wall face are rotationally sealed. A gas collecting groove is formed in the inner ring wall of the control ring. The supporting piece is provided with a mounting blind hole, and the moving arm is slidably matched with the mounting blind hole and is slidably sealed. A first elastic piece is connected between the moving arm and the hole bottom wall of the mounting blind hole in an abutting mode. The concentration sensor is arranged on the outer side wall of the moving arm. When the control ring rotates, the gas collecting groove can periodically communicate with the main pipe body and can also periodically move to the moving arm. The gas source purity can be continuously and accurately detected for a longer time, and automatic calibration is achieved while purity detection is conducted.

The invention relates to the technical field of sludge treatment, in particular to a filter press cloth cleaning device which comprises a rack, a transmission roller set and a cloth rolling machine, the transmission roller set and the cloth rolling machine are arranged on the rack, the cloth rolling machine is used for unwinding and recycling filter cloth, and a cleaning unit is arranged on the rack and arranged on a filter cloth recycling path. The cleaning unit comprises a washing set, a water control set and a vacuum water suction box which are sequentially arranged in the filter cloth recycling direction, and the filter cloth sequentially passes through the washing set, the water control set and the vacuum water suction box when being recycled by the cloth rolling machine so as to be subjected to washing, water control and suction drying operation. During the period, through multiple combinations of high-pressure water spray washing, brush roll brushing, water squeezing of a water control roll and negative-pressure water suction of a vacuum water suction box, the filter cloth can quickly recover a clean and dry state after a filtering task is completed, the cleaning period is remarkably shortened, and continuous production and improvement of production efficiency are facilitated.

The utility model relates to the technical field of quantitative discharging, in particular to a quantitative discharging device for water-based industrial paint, which comprises a supporting seat, a supporting frame is fixedly connected to the center of the edge of one side of the top surface of the supporting seat, and a threaded sleeve is rotatably connected to the center of the supporting frame. And a first worm gear is fixedly connected to the center of the outer wall of the threaded sleeve. The discharging device has the advantages that the gear motor drives the first worm to rotate so as to drive the threaded sleeve to rotate, then the lifting lead screw is driven to ascend and descend, the connecting plate drives the discharging hopper to adjust the height, meanwhile, the guide rods and the supporting frame slide in a guiding mode from the two sides through the guide rods, and the connecting plate and the discharging hopper can be prevented from shaking left and right; and meanwhile, the threaded sleeve can be locked through the first worm, the stability can be further improved, the material receiving tank can be conveniently fed into and taken out through the rotating conveying disc and the multiple containing grooves, and continuous production is facilitated.

The invention relates to a preparation method of nuclear-grade graphite. The preparation method comprises the following steps: S1, mixing and kneading, S2, crushing, S3, isostatic pressing, S4, roasting, S5, dipping, S6, graphitizing and S7, purifying. Nuclear-grade graphite preparation equipment comprises a roasting furnace and a purification furnace, the roasting furnace comprises a sealed graphitization cavity, the front end and the rear end of the graphitization cavity are provided with a sealed feeding cavity and a sealed discharging cavity respectively, and the end of the feeding cavity and the end of the discharging cavity are each provided with an openable end sealing door; openable middle sealing doors are arranged between the graphitization cavity and the feeding cavity and between the graphitization cavity and the discharging cavity, backflow assemblies are arranged between the feeding cavity and the graphitization cavity and between the discharging cavity and the graphitization cavity, and each backflow assembly comprises a backflow pipe and a first sucking pump. The invention aims to solve or at least alleviate the defects in the prior art, and provides the nuclear-grade graphite preparation method and preparation equipment, purification is carried out in the graphite roasting and purification process, and the method is simple and easy to operate, and is very suitable for large-scale production.

The invention discloses a method for extracting cesium from salt lake brine. The method comprises the following steps: step 1, carrying out saponification reaction, and centrifugally standing for layering; step 2, adjusting the pH value of the salt lake brine, and putting the salt lake brine into a reaction container for extraction; step 3, washing until the concentration of the organic solution containing the cesium element is less than 0.01 g / L; step 4, carrying out back extraction; and 5, impurity removal is conducted on a cesium-containing reverse extraction phase obtained after reverse extraction. The method has the advantages that the salt lake brine is extracted through the saponified organic phase, the alkali liquor consumption is very small and can be recycled, meanwhile, addition of a large amount of strongly alkaline substances into the organic phase is avoided, environment pollution caused by generation of a large amount of waste alkali liquor is avoided, the production cost and the treatment cost are reduced, the treatment capacity is large, the process and equipment are simple, investment is small, and the method is suitable for industrial production. And continuous production is easy to realize.

The invention provides a method for preparing a (beta, S)-configuration glassine through enzyme catalysis and an engineering bacterium, and belongs to the field of biosynthesis, the engineering bacterium takes Escherichia coli BL21 (DE3) as an original strain, and an improved carbonyl reductase coding gene shown as SEQ ID No.1 and an improved formate dehydrogenase coding gene shown as SEQ ID No.2 are introduced. The enzyme produced by the strain is used for preparing carbonyl reductase LsADH and formate dehydrogenase PsFDHmut co-immobilized enzyme to carry out enzyme catalytic synthesis of (beta, S) configuration bose, the catalytic reaction is high in selectivity and can be carried out in a normal-temperature and normal-pressure neutral environment, the co-immobilized enzyme can be repeatedly used, and continuous production and cost reduction are facilitated. The conversion rate of the adopted catalytic reaction is greater than 99%, the used substrates beta-acetone xyloside and sodium formate are high in safety, and the synthesis efficiency of the product (beta, S) bose is remarkably improved.

The invention discloses a method for improving the corrosion resistance of a 5xxx aluminum alloy plate strip, which belongs to the field of metal forming and comprises the following steps: soaking 5xxx aluminum alloy in a heat preservation container filled with liquid nitrogen and fully cooling; and the fully cooled 5xxx aluminum alloy plate is fed into a rolling mill to be rolled, and the 5xxx aluminum alloy plate and a roller are fully cooled before each pass of rolling. The brittleness characteristic of the coarse second phase in the low-temperature environment is utilized, so that the coarse second phase in the 5xxx aluminum alloy plate is broken in the deep cooling rolling process. In the subzero treatment process, due to the difference of the volume shrinkage effect between the second phase and the base body, the interface bonding strength of the aluminum base body and the second phase is effectively improved, and therefore better pitting corrosion resistance is achieved. Compared with room-temperature rolling, deep cooling rolling improves the proportion of small-angle grain boundaries in the 5xxx aluminum alloy, so that separation of a beta phase is inhibited, and the intergranular corrosion performance is improved. The more corrosion-resistant 5xxx aluminum alloy has great development significance in industries such as ships, rail transit, spaceflight and military affairs.

The utility model relates to the technical field of ground mat production, in particular to a ground mat cutting device facilitating continuous production. According to the technical scheme, the cutting device comprises cutting discs, a cutting frame and a cutting motor, a cutting shaft is rotatably installed in the cutting frame, the outer surface of the cutting shaft is slidably sleeved with a plurality of sliding sleeves, the outer surface of each sliding sleeve is fixedly sleeved with a cutting disc and a rotating bearing, and the outer surface of each rotating bearing is fixedly connected with a guide sliding block through a connecting rod; a guide sliding groove is formed in the top of the inner wall of the cutting frame, the guide sliding block is located in the guide sliding groove, an electric cylinder is fixedly installed on the rear surface of the cutting frame through a fixing frame, and the output end of the electric cylinder is fixedly connected with a moving plate. According to the utility model, the distance between the equally-divided cutting discs can be conveniently adjusted so as to adapt to different equally-divided cutting requirements of different ground mats, the adjusting time of the cutting discs is saved, and the influence on normal production of the ground mats is effectively reduced, so that the continuous production of the ground mats is facilitated.

The utility model discloses a water and fertilizer integrated flow control device which comprises a shell, a liquid outlet pipe, a first electric control valve, a mixing structure, a filtering structure, a water inlet pipe and a fertilizer adding structure. The device achieves the purposes of good dispersion and full mixing of different fluids, is high in efficiency, low in energy consumption, small in size, low in investment and easy for continuous production, can filter dust and impurities contained in water flow through a filter layer by arranging a filter structure, prevents a spray head or a pipeline from being blocked, is convenient to disassemble through a buckle, and is convenient to use. A fertilizer adding structure is arranged, a capacitance type liquid level sensor is used for monitoring the remaining amount of the chemical fertilizer in the chemical fertilizer box, an electromagnetic valve can be automatically controlled to supplement the chemical fertilizer, and time and labor are saved.

The application provides an industrial production process based on the characteristics of microbial proteins and belongs to the technical field of microbial fermentation.The process realizes efficient extraction and high activity preservation of methanol proteins through the organic combination of the following steps: microfiltration pretreatment, ion strength and pH synergistic regulation, low-temperature enzymatic hydrolysis synergistic extraction, fractional filtration and low-temperature concentration, and has a good industrial application prospect.

The utility model relates to excess activated sludge peroxy alkaline hydrolysis treatment equipment for sewage treatment, which belongs to the technical field of sewage treatment and comprises a sewage pool and an activated sludge sewage treatment system. A sewage lifting pump communicated with the sewage tank and the activated sludge sewage treatment system through pipelines is arranged between the sewage tank and the activated sludge sewage treatment system, and a sewage regulating tank is arranged between the sewage lifting pump and the sewage tank; a plurality of peroxy alkaline hydrolysis tanks which are communicated through parallel pipelines are arranged between the activated sludge sewage treatment system and the sewage adjusting tank, and alkaline hydrolysis sludge pumps are arranged between the peroxy alkaline hydrolysis tanks and the sewage adjusting tank. The device has the characteristics of simplicity and convenience in operation control, flexibility in operation, energy conservation, environment friendliness and simple structure, and is convenient for continuous production. The low-cost, harmless and reduction treatment on the sludge is realized.

The present invention relates to the field of hollow glass brick processing equipment, and discloses an integrated production device for hollow glass bricks, including a workbench, both sides of the top of the workbench are fixedly installed with linear rails, both sides of the linear rails are movably installed with movable tables, the upper surface of the movable table is provided with a clamping mechanism, the bottom of the workbench is provided with a pressing mechanism, the top rear side of the workbench is provided with a heating mechanism, the bottom end of the support seat is fixedly connected to one side of the top of the movable table by bolts, and the top of the support seat is movably installed with a rotating seat. The present invention uses a clamping mechanism to clamp the four edges of the raw material simultaneously through four clamping plates to ensure that the raw material is in the center of the placement table, prevent position deviation during subsequent hot-melt butt jointing, greatly improve the quality of hot-melt butt jointing, use a miniature industrial camera to capture mark point marks, ensure that the angles of the two placement tables are completely parallel, and can perform angle fine-tuning, further ensuring the accuracy of butt jointing.

The invention belongs to the technical field of gas treatment, and particularly discloses an advanced treatment process of low-concentration gas in an integrated circuit production process, which comprises the following steps: efficiently and deeply purifying ppm-level propylene glycol methyl ether acetate, isopropanol, methylbenzene, butanone and other organic gases to ppb level through a catalytic oxidation treatment system; the technical problems of high cost, low mineralization rate, long time consumption, low purification degree and easy generation of secondary pollution when the traditional treatment process is used for treating low-concentration gas are effectively solved. The process aims at treatment of low-concentration industrial gas in the integrated circuit production process, high-energy-consumption processes such as concentration are not needed, the degradation rate of direct gas treatment is increased to 99% or above, and the mineralization rate is increased to 95% or above.

This invention discloses a method for preparing a low-loss ultrathin PTFE microwave dielectric substrate. The method includes the following steps: 1. Preparation of PTFE composite adhesive; 2. Impregnation with glass fiber cloth; 3. Lamination of sheet substrates. The PTFE microwave dielectric substrate prepared by this method has fine filler particles and a high filling rate, improving the uniformity of the ultrathin substrate thickness and dielectric constant. The substrate thickness is 0.065mm ± 0.008mm, and the dielectric constant at 10GHz is 2.95 ± 0.03. It also reduces the loss factor at high frequencies, with a loss factor ≤ 0.0011 at 10GHz. The preparation process is simple, easy to scale up for continuous production, and the microwave substrate exhibits excellent performance, meeting the stringent performance requirements of multilayer circuit boards in high-frequency communication applications.

The present invention belongs to the technical field of carbon nanotube materials, and specifically relates to a single-walled carbon nanotube and a method thereof. The method fully mixes paraffin wax with a catalyst and a co-catalyst, compresses them into a reaction raw material, then turns on a plasma arc, preheats the reaction chamber of the arc furnace to a certain temperature, and then transports the reaction raw material in the storage tank to a graphite crucible in the arc furnace. Under the action of the electric arc, the catalyst and the carbon source evaporate simultaneously and interact to generate single-walled carbon nanotubes. At the same time, a carrier gas is introduced into the plasma arc system, and the reaction product is taken out by the airflow. The beneficial effect of the present invention is that the method selects paraffin wax that is easy to evaporate as a carbon source, and fully mixes it with a catalyst, so that the carbon source and the catalyst evaporate more evenly and contact more fully, which is conducive to the synthesis of high-quality single-walled carbon nanotubes. The I of the single-walled carbon nanotubes G / I D The ratio is not less than 37, and the TG residue of the obtained product is less than 40.0%.

The invention discloses a carbon nanotube simultaneously doped with nitrogen and phosphorus and a preparation method and application thereof, the preparation method comprises the following steps: (1) preparing a reaction liquid: adding acetonitrile into absolute ethyl alcohol, uniformly mixing, then adding triphenyl phosphate, uniformly mixing, then adding a catalyst, and finally performing ultrasonic treatment to obtain the reaction liquid; (2) air replacement: argon is introduced into the quartz tube reactor for air replacement; (3) heating reaction: after the replacement is completed, heating and introducing carrier gas, pumping the obtained reaction liquid into the quartz tube reactor after the temperature is increased to the reaction temperature, and starting the reaction; and (4) after the reaction is completed, stopping pumping the reaction liquid, maintaining the reaction temperature, reacting for a period of time, finally cooling to room temperature, and taking out the reactant, thereby obtaining the carbon nanotube product. The carbon nanotube doped with nitrogen and phosphorus elements prepared on the basis of the floating catalytic chemical vapor deposition method has excellent electrochemical performance; and the preparation process is easy for large-scale production and has an excellent application prospect.

The utility model discloses a vertical sheet arranging cage which comprises a cage body and a conveying mechanism, and the cage body comprises a plurality of roadways extending in the first horizontal direction and a plurality of conveying mechanisms used for conveying glass in the roadways in the first horizontal direction. The conveying mechanism comprises a frame which is horizontally arranged at a glass sheet inlet of the cage body; a conveying box and a sliding block are sequentially arranged on the frame in the second horizontal direction perpendicular to the first horizontal direction, and the bottom of the sliding block is slidably connected with the frame in the second horizontal direction; the sliding block is connected with a sliding driving assembly. An inner cavity is formed in the transportation box, an inlet is formed in the side, away from the sliding block, of the transportation box, and the side, close to the sliding block, of the transportation box is connected with the sliding block through a rotating shaft. An outlet is formed in one side, facing the cage body, of the transportation box; a conveying belt assembly is arranged on the side, close to the sliding block, of the inner cavity. The transportation box is connected with a rotation driving assembly. According to the utility model, the extraction of required glass is facilitated, and the continuous production of a laminated glass production line is facilitated.

The invention relates to the technical field of injection molding, in particular to an imitation leather material processing technology and equipment which comprises a fixed mold, a movable module, a rack, a first cleaning mechanism and a second cleaning mechanism, one end of the fixed mold is fixedly provided with a feeding spray gun, the other end of the fixed mold is provided with a first mold closing face, and the feeding spray gun is used for feeding materials into the fixed mold; the position of the movable module is opposite to the fixed mold. The movable module comprises a first seat plate. According to the mold, through the arrangement of the moving module, after the two peripheral molds and the fixed mold are closed, the feeding spray gun fills materials into the fixed mold, after the materials are cooled and formed, the linear pushing rod drives the moving module to move backwards, the moving module drives a formed part to be separated from the fixed mold, and then the two peripheral molds deviate from each other; and surrounding of the formed part is released, when the first seat plate moves backwards, the first cleaning rod and the second cleaning rod are driven to move relatively, and therefore residues on the first mold closing face are cleaned through the first cleaning rod and the second cleaning rod.

The invention belongs to the technical field of organic chemistry, and in particular to a method for preparing cis-1,3,3,3-tetrafluoropropylene. The method for preparing cis-1,3,3,3-tetrafluoropropylene provided by the present invention, comprises the following steps: using trans-1,3,3,3-tetrafluoropropylene as raw material, under the action of light source and silicon dioxide supported phosphomolybdic heteropoly acid catalyst, promoting trans-1,3,3,3-tetrafluoropropylene to undergo photochemical reaction, and obtaining cis-1,3,3,3-tetrafluoropropylene. The method for preparing cis-1,3,3,3-tetrafluoropropylene provided by the present invention is simple to operate, and thermodynamic limitations can be broken through by photoreaction, so that the conversion rate of trans-1,3,3,3-tetrafluoropropylene is high, and the selectivity and yield of cis-1,3,3,3-tetrafluoropropylene are high, and the service life of the silicon dioxide supported phosphomolybdic heteropoly acid catalyst obtained by the present invention is relatively long, which is conducive to continuous production.

The utility model relates to driven wheel technical field especially is a machine tool driven wheel device of dust removal function, including driven wheel subassembly, the transmission assembly and the rotating roller are rotatively connected with the inside of driven wheel subassembly, the transmission assembly is fixedly connected with the cleaning assembly between the rotating roller, driven wheel subassembly is fixedly connected with the rotating roller through first screw, the transmission assembly includes cylinder shell, the rear end fixedly connected with the turntable of cylinder shell, the rubber sealing ring is fixedly connected with the outside of turntable, is equipped with the dust removal groove in the inside of turntable, the rubber block is inserted in the dust removal groove, the rubber block is fixedly connected with the turntable through second screw, the cleaning assembly includes arc plate, the rubber scraper is fixedly connected with the outside of arc plate, a plurality of arc plates are fixedly connected with the outside of turbine blade, in the utility model, when the device removes the dust in the inner wall of machine tool driven wheel, does not need to remove driven wheel as a whole, significantly improves the removal efficiency, reduces the operation difficulty, is favorable for sustained production.

The utility model discloses an automobile lampshade injection mold which comprises a first base, the inner wall of the first base is fixedly connected with a guide sleeve, the outer wall of the guide sleeve is fixedly connected with a second fixing plate, the upper surface of the second fixing plate is fixedly connected with a fixed mold plate, the inner wall of the guide sleeve is slidably connected with a guide column, and the inner wall of the guide column is fixedly connected with a second fixing plate. A guide column is fixedly connected to the right surface of the first base, a movable mold plate is fixedly connected to the outer wall of the guide column, a first fixing plate is fixedly connected to the upper surface of the movable mold plate, a sprue bush is fixedly connected to the inner wall of the first fixing plate, a second base is fixedly connected to the right surface of the first base, and a spraying mechanism is arranged above the second base. Through the structure, a release agent can be automatically sprayed before injection molding of the automobile lampshade, and the release agent can be sprayed to the surfaces of the mold core and the mold cavity through the arrangement of the spraying mechanism, so that the effect that a plastic part is not adhered to the mold is achieved, machine faults are reduced, and manual spraying of the release agent is avoided.

The invention provides trifluorotoluene continuous production equipment and process, and relates to the technical field of organic chemical engineering, the trifluorotoluene continuous production equipment comprises a first mixing mechanism, the first mixing mechanism comprises a first mixing cylinder, the top of the first mixing cylinder is fixedly provided with a first sealing cover, and the bottom of the first sealing cover is fixedly provided with a hollow telescopic rod; the bottom of the hollow telescopic rod is fixedly provided with a heating disc, the center of the heating disc is fixedly provided with a U-shaped valve, the top of the heating disc is fixedly provided with a plurality of first heating rods, the bottom of the hollow telescopic rod is fixedly provided with a first gas conveying pipeline, and the first gas conveying pipeline is connected with an external gas conveying pump. The situation that the pipeline is blocked by sediments and the production smoothness is influenced can be avoided, and continuous production of trifluorotoluene is facilitated; the sealing device has good sealing performance, enough pressure can be kept in the machining process of materials, and the production efficiency of trifluorotoluene is improved.

The present invention relates to a double-cylinder steam drying system, which comprises a double-cylinder steam dryer and a steam heat exchange and air distribution device for providing hot air to the inside of the double-cylinder steam dryer. The inner cylinder body and the outer cylinder body of the double-cylinder steam dryer are both cylindrical and coaxially fixed. The inner and outer surfaces of the inner cylinder body are both provided with heat dissipation pipes, and the inner surface of the outer cylinder body is also provided with a heat dissipation pipe. A rotary joint is provided at the end of the multi-stage cylinder body group, and the rotary joint is used for air intake and water return. An air intake pipe group for introducing steam and a water return pipe group for discharging condensed water are provided between the rotary joint and the heat dissipation pipe. The air intake pipe group, the water return pipe group and the air guide pipe group of the present invention are all provided with flexible conduits. The precision requirements for processing and assembly are low, so the installation is convenient and quick, and the flexible conduit can compensate for uncontrollable variable stress, protect each pipeline and corresponding parts, reduce the failure rate, reduce the maintenance cost, improve the work efficiency, and facilitate the continuous production of the factory.

The present invention provides a low-damage stamping device with a buffer mechanism in the field of stamping equipment. The buffer extrusion frame is arranged between the upper die and the lower die and is buffered by a negative pressure spring, so as to achieve buffering of the upper die moving downward, avoid rigid collision between the upper die and the lower die, and avoid collision damage to the upper die or the lower die; at the same time, before the upper die contacts the steel plate, the buffer extrusion frame extrudes the steel plate step by step to squeeze and fix the steel plate, so that the steel plate is guaranteed to be stable and reduce deviation during stamping, thereby improving the stamping stability and stamping quality; through the driving rack plate arranged on the upper die seat and the ratchet gear meshing therewith, the synchronous rotation mechanism is linked with the stamping cylinder, and after the stamping is completed, the material is loaded and the waste material is rolled up, so that the loading and unloading and stamping are carried out at intervals, and there is no need to set up an additional control mechanism for control, thereby simplifying the control structure.

The utility model relates to the field of display screen gluing, in particular to a vehicle-mounted display screen gluing device. The utility model provides a vehicle-mounted display screen gluing device which can be used for continuously gluing a vehicle-mounted display screen and brushing a conveying belt at the same time, is convenient for continuous production and timely glue cleaning, prevents pollution, prolongs the service life, improves the production efficiency and quality, and is convenient to use. A vehicle-mounted display screen gluing device comprises a supporting frame, a conveying belt and the like, and the conveying belt is installed on the supporting frame. According to the device, the vehicle-mounted display screen is conveyed through the conveying belt, glue is sprayed out through movement of the electric spray head for continuous gluing, water is sprayed out of the water spraying pipe to wash the conveying belt, and the cleaning brush is used for lightly brushing, so that the conveying belt is brushed while the vehicle-mounted display screen is continuously glued, continuous production is facilitated, and the glue is convenient to clean in time; pollution is prevented, the service life is prolonged, the production efficiency and quality are improved, and use is convenient.

The present invention relates to the technical field of carbon materials, and discloses a novel carbon material preparation apparatus, which comprises: a reaction furnace mechanism, which is used for providing a high temperature reaction environment for graphite processing so as to promote physical or chemical conversion of graphite; the secondary cooling mechanism is arranged on the left side of the reaction furnace mechanism and is used for primarily cooling high-temperature products or equipment parts discharged from the reaction furnace; the waste gas treatment mechanism is arranged on the right side of the primary cooling mechanism and is used for treating waste gas generated in the reaction process; and the gas supply mechanism is arranged on the rear side of the reaction furnace mechanism and is used for accurately conveying various process gases into the reaction furnace. Through the cooperation of the upper-stage cooling mechanism, the second-stage cooling mechanism and the first-stage cooling mechanism, efficient cooling is achieved, and energy conservation In the aspect of gas supply, reaction conditions are precisely regulated and controlled, and material preparation precision and quality stability are guaranteed; in terms of waste gas and device design, waste gas purification is environmentally friendly and compliant, and lifting operation of the lifting and rotating assembly, the mounting frame and the like is convenient, stable, synergistic and safe.

The application discloses a reaction kettle of a waste tire cracking furnace. The reaction kettle of the waste tire cracking furnace comprises a cylinder body, a feeding pipe is arranged at a feeding end of the cylinder body, a discharging pipe is arranged at a discharging end of the cylinder body, and helical blades are arranged on an inner peripheral wall of the cylinder body and used for pushing carbon black to the discharging pipe. A polygonal mesh cylinder is arranged in a cavity of the cylinder body, an open end of the polygonal mesh cylinder is communicated with the feeding pipe, and a closed end of the polygonal mesh cylinder extends to the discharging pipe. The application solves the problems of complex structure and high cost in the prior art.

The utility model relates to the technical field of heat exchange equipment, and discloses a heat exchange system which comprises a plate heat exchanger, the plate heat exchanger is provided with a feeding pipeline and a discharging pipeline, during cleaning, the pressure of a material pipeline is larger than that of a medium pipeline, and gaps are formed between plates of the plate heat exchanger to form a cleaning channel. According to the plate heat exchanger, the cleaning channel is formed in the plate heat exchanger, so that a cleaning agent can conveniently enter the plate sheets for cleaning when the plate heat exchanger is cleaned, cleaning dead angles are prevented from being formed at contact points due to close contact between the plate sheets of the plate heat exchanger, and the cleaning dead angles between the plate sheets are eliminated; oyster sauce coking at plate contact points due to incomplete cleaning is avoided, cleaning of the plate heat exchanger is facilitated, the frequency of disassembling the plate heat exchanger is reduced, time and labor are saved, and continuous production is facilitated.

The utility model discloses polyester fiber fabric processing equipment, which relates to the technical field of fabric processing equipment and comprises a bearing frame, the upper end of the bearing frame is rotatably connected with a rotating column, the outer side wall of the rotating column is fixedly connected with a mounting seat, a rotating rod is rotatably arranged in the bearing frame, and a driving motor is mounted on one side of the bearing frame. Limiting blocks are fixedly arranged on the outer side of the rotating rod and one side of the mounting base, the rotating rod is sleeved with a winding roller, the outer side wall of the winding roller is symmetrically and slidably sleeved with cloth blocking discs, limiting assemblies are mounted on one sides of the cloth blocking discs, fixing frames are fixedly connected to the two sides of the mounting base, and fixing assemblies are mounted at one ends of the fixing frames. Due to the adoption of the structure, an operator can quickly and easily take down the wind-up roller from equipment without tedious disassembly steps, so that time is saved, the overall production efficiency is improved, meanwhile, subsequent wind-up roller replacement and fabric taking-out are facilitated, and convenience is provided for continuous production.

The invention discloses a multi-section fixed bed reactor and application thereof. The fixed bed reactor comprises a plurality of sections of reaction units which are connected in series in the vertical direction, and static mixers arranged between the adjacent reaction units, the reaction unit comprises a reactor and a redistributor positioned above the reactor; a mixing component is arranged in the static mixer, and a heat preservation shell pass is arranged outside the mixing component; the inlet of the static mixer is communicated with the outlet of the reactor of the previous section of reaction unit and the raw material supplementing pipe, and the outlet of the static mixer is communicated with the redistributor of the next section of reaction unit. After each section of reactor discharges, materials are automatically supplemented, mixed and subjected to heat preservation, and then are distributed into the next section of reactor, so that the raw materials can be fully mixed and uniformly distributed. The equipment is simple to operate, and stable, continuous and efficient in production.