27results about How to "Achieve perturbation" patented technology

The invention relates to the field of hub grinding equipment, in particular to a wheel hub upper and lower surface deburring device which comprises a hub end face grinding machine, the hub end face grinding machine comprises a shell, a workbench is installed in the shell, a vertical frame is installed on the middle rear portion of the top end of the workbench, and a threaded rod is installed on the front side of the vertical frame. Symmetrical threaded sections are arranged on the upper side and the lower side of the middle of the threaded rod, a motor is installed at the end of the threaded rod, the upper portion and the lower portion of the periphery of the threaded rod are in threaded connection with fixing frames through the threaded sections, the fixing frames are slidably connected to the front portion of the vertical frame, and hydraulic rods are installed at the ends of the front sides of the fixing frames. According to the automobile hub grinding device, synchronous grinding of the upper end face and the lower end face of an automobile hub can be achieved through approaching of the upper fixing frame and the lower fixing frame, actual use is facilitated, and further adjustment of the position of a grinding component can be achieved through the hydraulic rods installed at the ends of the fixing frames.

The invention discloses steelmaking flue gas recovery and waste heat utilization equipment and a use method, and relates to the technical field of flue gas waste heat recovery. Dust in the steelmaking flue gas can be filtered through the filter cartridge before the flue gas enters the heat exchange mechanism, and then the clean flue gas is conveyed into the heat exchange mechanism, so that the inner wall of the heat exchange barrel can be kept in a clean state all the time, the dust in the steelmaking flue gas is prevented from being attached to the inner wall of the heat exchange barrel, heat transfer is prevented from being hindered, and the service life of the steelmaking flue gas is prolonged. The smoke dust scraping assembly can scrape off smoke dust attached to the inner wall of the filter cartridge, the self-cleaning effect can be achieved while the heat of the steelmaking smoke gas is recycled, and therefore the good filtering effect of the filter cartridge is always kept, and the scraped-off smoke dust can be collected in a centralized mode under pushing of an auger. When high-temperature flue gas passes through the heat exchange assemblies, the heat exchange assemblies can rotate around the axes of the heat exchange assemblies, so that surrounding clear water is disturbed, clear water at different positions is stirred and mixed, and water temperature areas at different positions are consistent.

The invention discloses a method and device for improving security of a text graph model based on adversarial prompt mining, and the method comprises the steps: predefining a plurality of optimizable noise embedding as an optimization target, obtaining an agent embedding closest to the noise embedding in an embedding space through employing a nearest neighbor search method, splicing the agent embedding to the tail part of a clean embedding, and carrying out the optimization of the optimization target; confrontation embedding is obtained, and a text encoder in the CLIP model is used for encoding the confrontation embedding to extract confrontation prompt features; using an image-text matching objective function to maximize the semantic similarity between the confrontation prompt feature and the risk target image feature, and establishing an association relationship between the confrontation prompt and the risk target image; in the process of reversely optimizing noise embedding by using the objective function, the gradient corresponding to proxy embedding is transmitted to the noise embedding construction optimization process, so that noise embedding continuous optimization based on the gradient is realized; and after the optimization is finished, querying the word which is most matched with the noise embedding in the word search space, and splicing the word to a clean prompt to generate a final confrontation prompt. The device comprises a processor and a memory.

The utility model discloses a separating type vacuum filling machine, which relates to the technical field of vacuum filling and comprises a hopper and a fixed cylinder, a vacuum pump is fixedly mounted on the outer side wall of the hopper, an air suction pipe is fixedly arranged at the air suction end of the vacuum pump, an air outlet pipe is fixedly arranged at the air outlet end of the vacuum pump, and an elastic filter screen is fixedly arranged at one end of the fixed cylinder. A knocking mechanism is arranged in the fixed cylinder and comprises a knocking rod, a reset spring is elastically connected between the knocking rod and the fixed cylinder, a driving motor is fixedly mounted on one side of the inner wall of the fixed cylinder, and a rotating shaft is rotationally connected to the position, close to the knocking rod, of the inner side wall of the fixed cylinder. The two knocking rods are driven by the driving motor, so that the two knocking rods effectively knock the elastic filter screen, the purpose of cleaning ash on the elastic filter screen is achieved, the utilization rate of energy is increased, the use cost of the device in use is saved, and the use effect of the elastic filter screen in use is guaranteed.

A desulfurization, dust removal and denitration device for a biomass boiler relates to the technical field of flue gas treatment devices and comprises a treatment barrel shell, a plurality of alkali liquor distribution ring shells are fixedly connected to the outer wall of the treatment barrel shell in parallel from top to bottom, and a plurality of alkali liquor outlets communicated with the alkali liquor distribution ring shells are formed in the barrel wall of the treatment barrel shell in the circumferential direction in a surrounding mode and correspond to the alkali liquor distribution ring shells. An atomizing head is fixedly connected in each alkali liquor outlet, a filter screen is fixedly connected to the position, close to the upper end, of the treatment barrel shell, and a cleaning plate set in friction contact with the inner wall of the treatment barrel shell and the lower surface of the filter screen is rotationally arranged in the treatment barrel shell. The utility model solves the problems that dust and particulate matters are contained in flue gas in the prior art, most of the dust in the flue gas is separated after alkali liquor is in contact with the flue gas, and the separated dust and particulate matters are easy to gather in the device, so that the dust removal efficiency of the device on the flue gas is influenced.

The tempering furnace for fastener production comprises a frame body, a furnace body, a heating device and an auxiliary supporting device, and the furnace body is installed on the frame body; the auxiliary supporting device comprises a plurality of auxiliary supporting plates, an adjusting assembly and a driving assembly; the auxiliary supporting plates are installed in an inner cavity of the furnace body, the multiple auxiliary supporting plates are evenly distributed in the axial direction of the furnace body, placing grooves are formed in the auxiliary supporting plates, and multiple through-flow holes are formed in the auxiliary supporting plates in a penetrating mode; the adjusting assemblies are mounted on the auxiliary supporting plates, and the adjusting assemblies are used for connecting the two adjacent auxiliary supporting plates; the driving assembly comprises a driving motor and an auxiliary supporting frame. The driving motor is installed on the furnace body, an output shaft of the driving motor is fixedly connected with the auxiliary supporting frame, and one auxiliary supporting plate is connected with the furnace body through the auxiliary supporting frame; the heating device is mounted on the furnace body; the fasteners can be conveniently placed one by one through the auxiliary supporting device, meanwhile, hot airflow in the inner cavity of the furnace body can be conveniently disturbed through rotation of the auxiliary supporting plate, then the fasteners can be conveniently and evenly tempered, and the tempering quality of the fasteners is improved.

The utility model belongs to the technical field of storage cabinets, and particularly discloses a storage cabinet for preserved meat processing, which comprises an equipment body, a filter screen is arranged on the equipment body, two symmetrical limiting plates are fixedly connected to the top of the equipment body, and limiting grooves are formed in the limiting plates. A limiting groove is formed in the equipment body, a transmission frame extending to the outside of the limiting plate is slidably connected to the interior of the limiting groove, a cleaning rod is fixedly connected to the top of the transmission frame, a brush is arranged on the side, close to the filter screen, of the cleaning rod, and a connecting frame is fixedly connected to the bottom of the equipment body and is shaped like a Chinese character'fang '. The cleaning rod can more smoothly clean impurities attached to the filter screen, and the situation that the speed of air in the external environment entering the equipment body through the meshes of the filter screen is reduced due to the fact that the impurities are attached to the filter screen for a long time and the meshes of the filter screen are blocked is reduced to a certain extent.

The present invention relates to the technical field of ozone generators, and more specifically, to an ozone generator with a concentration adjustment function. The ozone generator comprises a box body and an ozone generating module arranged inside the box body. An exhaust plate is provided for sliding inside the box body near the open end. An exhaust grille is provided on the surface of the exhaust plate. The exhaust plate is used to slide in a sealed manner inside the box body through a power component to change the space capacity of the box body. Exhaust guide components are provided near the four edges of the outer surface of the exhaust plate. When the exhaust plate slides inside the box body, the four exhaust guide components gather inward, so that ozone is gathered and discharged from the box body. The exhaust plate of the present invention slides inside the box body to compress the ozone storage space. At the same time, it drives the exhaust guide components to gather inward, so that ozone is gathered and discharged, so that the ozone concentration is further increased, and the ozone with high concentration is specially purified toward a certain environment with the help of the exhaust guide components, thereby improving the air purification efficiency.

The utility model relates to a kind of energy-saving equipment for lightweight concrete production, including shell, the bracket is equipped below the shell, the motor is equipped above the shell, the inner wall of the shell is equipped with copper pipe, the copper pipe is spirally arranged along the inner wall of shell from bottom to top, the upper end of the shell is equipped with water inlet valve, the lower end of the shell is equipped with water outlet valve, temperature sensor is equipped at the junction of water inlet valve and copper pipe, this energy-saving equipment for lightweight concrete production, by the cooperation of temperature sensor and water inlet valve, to realize the control of heat exchange temperature, promote water temperature high point, expand the use range of heat exchange water, and rotate spiral piece is arranged inside to realize disturbance, promote mixing effect, improve mixing efficiency, realize the purpose of energy saving.

The invention relates to a device for preventing slurry in a desulfurizing tower from precipitating, a first discharge port, a second discharge port and a feed port are formed in the desulfurizing tower, the first discharge port is positioned above the feed port, and the second discharge port is positioned below the feed port; the pressure pump is arranged on the outer side of the desulfurization tower; one end of the first discharging pipe is communicated with the first discharging opening, and the other end of the first discharging pipe is communicated with a feeding opening of the pressurizing pump; one end of the slurry delivery pipe is communicated with the discharge port of the pressure pump, and the other end of the slurry delivery pipe is communicated with the feed port; the slurry disturbing mechanism is arranged in the desulfurizing tower, the slurry disturbing mechanism is communicated with the feeding hole, and the slurry disturbing mechanism is used for jetting and impacting slurry in the desulfurizing tower, so that solid particles in the slurry are in a suspended state; the first control switch is arranged on the first discharging pipe, one end of the second discharging pipe is communicated with the second discharging port, the other end of the second discharging pipe is connected to the portion, between the first control switch and the pressure pump, of the first discharging pipe, and the second control switch is arranged on the second discharging pipe.

The invention discloses an electromagnetic vacuum differential pressure isolating valve and system, the electromagnetic vacuum differential pressure isolating valve mainly comprises an electromagnetic valve, a valve core and a valve body, the valve body comprises a valve main cavity, a high vacuum side interface flange and a low vacuum side interface flange, the valve core is arranged in the valve main cavity, the valve core comprises a cylinder body, the cylinder body and the valve body are in sliding connection through a guide assembly, and the guide assembly is arranged in the valve main cavity. The inside and the outside of the cylinder body are communicated through the side face communication hole, the high vacuum side interface flange is communicated with upstream high vacuum, the low vacuum side interface flange is communicated with the mechanical pump, and the electromagnetic valve is used for closing or conducting outside air. The vacuum differential pressure isolating valve is high in closing response speed and delayed in opening, the upstream high vacuum side is effectively protected against the influence of backflow of a mechanical pump while vacuum isolation is achieved, and the vacuum differential pressure isolating valve can be widely applied to the technical field of vacuum valves.

The invention discloses an efficient DBIO process and treatment equipment, which relates to the technical field of sewage treatment, and comprises a tank body, wherein an anoxic filler frame is fixedly connected to the tank body, an aerobic filler frame fixedly connected to the tank body is arranged above the anoxic filler frame, and the top and bottom of the anoxic filler frame and the aerobic filler frame are fixedly connected with a filtering interception net by bolts. The efficient DBIO process and treatment equipment sequentially arrange anoxic filler layers and aerobic filler layers in the tank body from bottom to top, and then fill anoxic biological fillers and aerobic biological fillers in the anoxic filler frame and the aerobic filler frame respectively, and then supply sewage to the bottom of the sewage tank body, and then the sewage flows upward from the bottom, and then the bacteria of the fillers in the anoxic filler layer and the aerobic filler layer respectively carry out biochemical reactions on total nitrogen and ammonia nitrogen substances in the sewage, and at the same time, through the cooperation of a disturbance mechanism, the total nitrogen and ammonia nitrogen substances in the sewage are effectively removed.

This application relates to the field of ice-making equipment technology, and particularly to an ice maker, which includes a shell, an inner shell, an inner liner, and a spray assembly. The shell has an inner cavity; the inner shell is disposed in the inner cavity and has a receiving cavity, and the inner shell has a bottom shell located at the bottom end of the inner shell; the inner liner is disposed in the receiving cavity and has an ice-making chamber; the spray assembly includes a spray pipe and a water pump connected in series, the spray pipe passes through the bottom shell and communicates with the ice-making chamber, the spray pipe has a spray end that extends into the ice-making chamber; the spray assembly is used to collect liquid water in the ice-making chamber and transport the liquid water to the ice-making chamber through the spray end. The above-mentioned ice maker uses a spray assembly to make the liquid water in the inner liner flow, which has a simple structure and fewer parts, thus having the advantages of saving material costs, saving installation space, and also helping to reduce the size of the ice maker.

The invention relates to the technical field of mechanical processing cooling devices, and in particular to a multi-stage heat exchange box and a control method, comprising a box body, wherein a heat exchanger is arranged in the box body; the heat exchanger comprises a U-shaped tube and a heat sink; all the heat sinks constitute an integral body A; the U-shaped tube comprises an end portion one and an end portion two; all the end portions one constitute a liquid return group, and all the end portions two constitute a liquid inlet group; the outer cover of the liquid return group is provided with a liquid return structure, and the outer cover of the liquid inlet group is provided with a liquid inlet structure; the liquid return structure is configured to: after collecting the coolant flowing out of all the end portions one, introduce it into the machine tool coolant input end through the outlet end, and monitor the temperature of the coolant flowing out of the outlet end; the liquid inlet structure is configured to: according to the cooling demand, synchronously introduce the coolant output from the machine tool coolant output end into each end portion two through the inlet end, and monitor the temperature of the coolant flowing into the inlet end; two heat dissipation fans are installed on the box body; the invention can effectively dissipate the heat of the coolant from the machine tool, and the heat dissipation efficiency is adjustable.

The utility model relates to the technical field of gas turbine power generation, in particular to gas turbine combined cycle power generation low-noise emission equipment which comprises a sound absorption box body, a box door is hinged to one side of the sound absorption box body, and through holes are formed in the two faces of the sound absorption box body respectively. The silencing box body is arranged in the sound absorption box body, an air inlet is formed in one side of the silencing box body, an air outlet is formed in the other side of the silencing box body, and the air inlet and the air outlet are matched with the through holes in the two faces of the sound absorption box body respectively. Compared with the prior art, by arranging the silencing box body, the multistage serially-connected silencing cavities and the complex airflow path, stage-by-stage attenuation, disturbance and dissipation of sound waves are effectively achieved, linear propagation and high-frequency impact of noise are avoided, the noise reduction efficiency is improved, and the noise pollution risk of the system is reduced.

The invention relates to a flexible throttling disturbance assembly, a flushing and discharging system and a control method of the flushing and discharging system, the flexible throttling disturbance assembly comprises a flexible pipe, the flexible pipe is provided with a plurality of corrugated parts arranged in the circumferential direction of the flexible pipe, the multiple corrugated parts are spiral, the multiple corrugated parts of the flexible pipe are passively deformed through changes of fluid in the flexible pipe, and the multiple corrugated parts of the flexible pipe are arranged in the circumferential direction of the flexible pipe. The flexible pipe is used for causing fluid disturbance in the flexible pipe; when the conditions of blockage, fluid concentration increase and the like occur in the flexible pipe, the local shear rate of the fluid in the flexible pipe is reduced, at the moment, a pressure difference is formed between the upstream and the downstream of the flexible pipe, and the flexible pipe slightly expands in the radial direction, so that the motion law of the local fluid is changed, disturbance is achieved, and the blockage risk is reduced.

The utility model relates to the technical field of powder mixing, and discloses a stirring assembly, a feeding box and a dry type granulator, the stirring assembly comprises a stirring paddle, the stirring paddle comprises a plurality of helical ribbon blades, and the helical ribbon blades are connected in sequence; the pendulum bob structure is connected with the stirring paddle, the pendulum bob structure is arranged between two adjacent helical ribbon blades, the pendulum bob structure comprises a pendulum bob, and the pendulum bob is rotatably arranged; the first rotating shaft is in transmission connection with the stirring paddle. According to the utility model, the pendulum bob structures are arranged between the adjacent helical ribbon blades, and powder materials adhered between the helical ribbon blades are hammered through continuous rotation of the pendulum bobs, so that the static and stable state of the powder materials between the helical ribbon blades is destroyed, and the powder materials fall off from the blades; therefore, the problem that materials are adhered among the helical ribbon blades is solved.

The present invention relates to the field of cooling water purification equipment, and in particular to an open-circulation cooling water purification device, comprising a cooling water purification barrel, the cooling water purification barrel comprising a barrel body, a clean water bin is arranged on the outside of the barrel body, a filter cartridge is arranged at the middle of the bottom end of the clean water bin, a filter material cavity is installed inside the filter cartridge, a filter layer is arranged inside the filter material cavity, a sand collecting seat is arranged at the bottom of the inner side of the filter cartridge, a rotating shaft is arranged on the upper side of the sand collecting seat, a mud guide pipe is installed at the lower part of the outer periphery of the rotating shaft through a fixing rod, a mud guide cylinder is fixedly connected to the top of the mud guide pipe, a connecting frame is installed on the outer periphery of the mud guide cylinder, and a uniformly distributed wave flow plate is fixedly connected to the bottom of the connecting frame. The present invention can realize the disturbance of the filter layer inside the filter material cavity through the wave flow plate at the bottom of the connecting frame, so as to avoid the hardening and hardening phenomenon of the filter layer material inside the filter material cavity due to long-term immobility and filtering work, which affects the subsequent filtering effect.

A water bath heating device of a colostrum pasteurization machine comprises a water tank, a rotating frame arranged in the water tank, a colostrum placing basket installed on the rotating frame, U-shaped heating elements arranged on the two sides of the interior of the water tank, a protective net frame wrapping the U-shaped heating elements, a rail groove formed in the protective net frame and a sliding block installed in the rail groove in a sliding mode. The inner wall of the water tank is provided with a boss, the boss is slidably provided with a sliding rod, the sliding rod is connected with the sliding block through a connecting rod, the surface of the sliding rod is sleeved with a spring, the top of the sliding rod is provided with a limiting head, the bottom of the sliding rod is connected with an extrusion connecting plate, and the rotating frame is provided with an extrusion rod; according to the device, the colostrum bag is prevented from making contact with the high-temperature heating element through the protection net frame, the water flow exchange efficiency inside and outside a protection area is improved by stirring a water body through the stirring plate, automatic circulation action of the stirring device is achieved through a sliding rod automatic reset structure, and therefore the water temperature uniformity is effectively improved, and the sterilization safety is improved.

The invention relates to the technical field of job shop scheduling, in particular to a large-scale search scheduling method based on key process blocks. Based on the idea of fully utilizing the idle time before and after the key process blocks, the process sequence of each key process block is fully arranged to generate a neighborhood solution so as to realize large-scale disturbance search. And estimating the maximum completion time of the scheduling schemes corresponding to all the arrangement conditions by using an approximate evaluation method so as to facilitate screening. And finally, according to the estimated value, selecting a feasible solution with the minimum maximum completion time from all feasible scheduling schemes as a final scheduling solution, and realizing large-scale search based on overall disturbance of the key process block. The method can also be applied to related problems such as a flexible job shop scheduling problem and a distributed job shop scheduling problem, and has important basic significance and application value.

The invention discloses a methyl methoxyacetate removal device for preparing methoxyacetic acid and a use method of the methyl methoxyacetate removal device, and belongs to the technical field of methoxyacetic acid preparation. A methyl methoxyacetate removing device for preparing methoxyacetic acid comprises a base and further comprises a driving part, the driving part comprises a driving motor fixedly arranged in the base and a driving shaft connected with an output shaft of the driving motor, and the outer side of the driving shaft is connected with a mounting frame; the two lifting parts are arranged on the two sides of the mounting frame, each lifting part is connected with a transverse moving assembly, a tank body is arranged between the two transverse moving assemblies, and a heating cavity internally provided with an electric heating piece is formed in the tank body; the swinging mechanism is arranged on the mounting frame and is used for driving the mounting frame to swing back and forth relative to the driving shaft; the materials in the tank body are subjected to disturbing force in multiple directions, so that the materials in the tank body are fully mixed and uniformly heated, and the fractionation efficiency and the fractionation quality are ensured.

The invention is applicable to the technical field of composite fiber processing, and provides antibacterial polyester-cotton composite fiber preparation equipment and process, the antibacterial polyester-cotton composite fiber preparation equipment comprises a drying box, a moving groove is formed in the lower surface of the interior of the drying box, a sliding seat extending to the exterior of the drying box is slidably connected to the interior of the moving groove, and a transmission ring is fixedly connected to the top of the sliding seat; the top of the transmission ring is provided with a wave-shaped inclined surface, the top of the sliding seat is rotatably connected with a transmission column, the top of the transmission column is provided with a sliding groove, and the interior of the sliding groove is slidably connected with a square rod extending to the exterior of the sliding groove. And the supporting rods move on the transmission ring, so that the base can move up and down through the wavy inclined surface at the top of the transmission ring, and air in the drying box can flow.

This invention discloses a fixed-fluidized bed reactor for multiphase catalytic reactions. "Fixed" refers to fixing a hollow support material within the reactor, while "fluidized" refers to the process where, after gaseous or liquid feedstocks are introduced into the hollow porous material cavity, the catalyst encapsulated within the cavity is subjected to buoyancy by the gas and liquid phases, resulting in a regional fluidized state within the cavity. The fixed-fluidized bed reactor comprises, from bottom to top, a feedstock inlet, a catalyst filling inlet, and a reaction outlet inlet, with a circulation inlet and an auxiliary control inlet at the side. The gaseous, liquid, or gas-liquid mixed feedstocks contact the hollow porous material through the connecting holes on the grid plate and then enter the cavity through the pores on the material surface. The catalyst powder filled inside is fluidized within the cavity under the disturbance of the gaseous, liquid, or gas-liquid mixed phases. An external magnetic field or microwave can further promote the fluidization of the catalyst powder, increasing the collision probability between the reactants and the catalyst powder, thereby improving catalytic efficiency.

The invention discloses wastewater treatment equipment for antimony-free reverse osmosis membrane production, and belongs to the technical field of wastewater treatment. In order to solve the problem that the circulation efficiency of wastewater in a sedimentation tank is low when the conventional product is used for treating the wastewater, the invention provides the following technical scheme: the wastewater treatment device comprises a pretreatment unit, a secondary treatment unit and a fine purification unit, and the secondary treatment unit comprises a chemical treatment process and a biological treatment process. The internal space of the sedimentation tank is divided into two parts, and the feeding and discharging component is matched to realize flow guide control on wastewater entering the sedimentation tank, so that the two spaces in the sedimentation tank can receive new wastewater while precipitating the wastewater, the burden of a wastewater adjustment procedure is reduced, and the wastewater treatment efficiency is improved. When the flow guide assembly is adjusted, the switching assembly is synchronously adjusted, and meanwhile, the adjusting assembly is driven to clean the fine filtering assembly.

This utility model discloses a chemical precipitation method for treating cyanide-containing wastewater. Sealing end plates are installed at both the upper and lower ends of the outer cylinder. The lower end of the inner cylinder is fixed to the lower sealing end plate of the outer cylinder, and the upper end is also equipped with a sealing end plate. Gaps exist between the upper end of the inner cylinder and the upper sealing end plate of the outer cylinder, as well as between the outer wall of the inner cylinder and the inner wall of the outer cylinder, serving as a space for circulating water flow. An inlet pipe and an outlet pipe are connected to this circulating water flow space. Several turbulence plates are evenly distributed around the inner wall of the inner cylinder. The device also includes a feed pipe and a discharge pipe that pass through the side walls of the outer and inner cylinders. The feed direction of the feed pipe is tangential to the inner wall of the inner cylinder. When using chemical precipitation to treat cyanide-containing wastewater, this device achieves a non-powered stirring function for the reaction apparatus; it has good sealing properties to prevent the leakage of cyanide-containing wastewater or hydrogen cyanide; and temperature control is achieved through circulating water.

The invention discloses a positive pressure impregnation tank, an impregnation device and an impregnation method, and relates to the technical field of copper-clad lamins.The positive pressure impregnation tank comprises a glue inlet channel, a glue overflow channel and a positive pressure cavity, the positive pressure cavity is arranged above the joint of the glue inlet channel and the glue overflow channel, and the bottom end of the glue inlet channel and the bottom end of the glue overflow channel both communicate with the positive pressure cavity; wherein the glue inlet channel and the glue overflow channel are both filled with glue liquid, the glue liquid is filled into a part of space of the positive pressure cavity, the other part of space of the positive pressure cavity is filled with gas, and the air pressure in the positive pressure cavity is larger than the atmospheric pressure. According to the invention, the positive pressure chamber is filled with the gas which occupies part of space, so that the whole positive pressure chamber does not need to be filled with the glue solution, the use amount of the glue solution in the circulation process is reduced, the utilization rate of the glue solution is improved, the phenomenon that the concentration of a solvent in the glue dipping room is too high is avoided, and a large number of ventilation facilities do not need to be arranged.

The utility model relates to flour screening technical field, concretely is a kind of flour positive pressure powder gas separation device, including powder storage tank, filter bin and fixing frame, the filter pipe is arranged on the upper end outer wall of powder storage tank, the filter pipe one end is provided with filter bin, the filter bin one side outer wall is welded with connecting pipe, the filter bin inside is provided with filter screen, the connecting pipe inner wall one side screw connection has fixing frame, the fixing frame inside is provided with pivot, the pivot outer wall one side hinge joint has wind wheel, the pivot one end outer wall is provided with connecting arm, cooperation shunt plate can realize the disturbance and mixing of air flow, ensure the mixing uniformity of flour in air flow, can guarantee the filtering uniformity of filter screen to flour, avoid the local gathering of flour on filter screen surface, ensure the filtering efficiency of filter screen to flour.