32results about How to "Improve sieving efficiency" patented technology

The utility model discloses an oat crusher with a vibrating screen structure, which comprises a crusher with supporting legs at the bottom, a crushing component is mounted at the top of the crusher, a conical driving gear ring is fixedly connected to the inner wall of the crusher, and the crushing component and the conical driving gear ring are matched to revolve and simultaneously rotate to crush oats. A vibrating screen is installed in an inner cavity of the crusher, and the crushing assembly drives the vibrating screen to vibrate to screen oats when rotating. By arranging the crushing assembly, when a crushing rod revolves, a conical driving gear is meshed with a conical driving gear ring, so that a rotating shaft drives a crushing roller to rotate, the crushing efficiency is improved, a connecting rod periodically pushes a vibrating screen to compress an elastic supporting pad to move downwards while the crushing roller rotates, and completely crushed oats on the upper end face of the vibrating screen are promoted to be sieved; and the incompletely crushed oats are continuously ground by the crushing roller at the upper end of the vibrating screen, so that the crushing efficiency and uniformity of the oats are improved.

The invention relates to the field of vacuum bag film processing equipment, in particular to vacuum bag film producing and processing equipment which comprises a lower shell, two cover plates are fixedly connected to the two sides of the lower shell, two rotating shafts are rotationally connected between the two cover plates, pressing rollers are fixedly connected to the two rotating shafts, and a plurality of sliding grooves are formed in the outer surface of each pressing roller. A shifting plate is slidably connected into each sliding groove, two side arc-shaped plates are symmetrically distributed and fixedly connected to the positions, located on the two sides of the two pressing rollers, of the inner side of the lower shell, a filter plate is fixedly connected to the position, located below the two pressing rollers, between the two side arc-shaped plates, and a plurality of filter holes are evenly formed in the filter plate; and an acute angle is formed between the axis direction of each filter hole and the moving direction of the corresponding shifting plate, so that the crushing effect on plastic particles is improved, the plastic particles which are not fully crushed are reduced, the unqualified plastic particles are lifted and crushed again, the rotating power of the compression roller is directly utilized, and external energy is not consumed.

The utility model discloses a gravel screening structure for building construction, which comprises a screening module and a slight vibration module, the screening module comprises a screening shell, a metal net disc installed in the screening shell, a vertical rod connected with the top of the metal net disc, two vibrators embedded in the two sides of the vertical rod and a ring body installed in the screening shell. According to the utility model, an external power supply is communicated, then the motor drives the movable rod to rotate through the transverse frame and the sliding plate, and the top end of the movable rod goes in and out of a plurality of meshes at the bottom of the metal net disc, in the process, the movable rod is pulled by the weight, and then the weight is extruded by the spring, so that the movable rod is straightly erected; when screening is carried out, the iron wires on the metal net disc can be led to vibrate, so that rapid discharging of the metal net disc is achieved, then the action area of the movable rod is increased through the multi-section electric push rod, the screening efficiency is effectively improved, and smooth screening operation is guaranteed.

The utility model discloses sewage treatment equipment for water environment treatment, which comprises a filter cavity, connecting pipes and a grouping filter mechanism, the two ends of the filter cavity are connected with the connecting pipes, and the grouping filter mechanism is arranged in the filter cavity. The grouping filtering mechanism comprises an inserting plate frame, a handle, screws, soft rubber patches, an inner inserting frame, an inner buckling groove, a screening plate, a screening net and an inner sliding groove, the handle is fixed to the top end of the inserting plate frame, the screws are distributed on the outer walls of the two ends of the inserting plate frame, and the soft rubber patches are distributed on the two sides of the screws. According to the sewage treatment equipment for water environment treatment, the sewage screening and filtering efficiency is effectively improved through the multiple screening and filtering net structures distributed in the cavity, the dismounting and mounting process in clear maintenance is simplified through inner buckle grooves in the two sides of the insertion plate frame, meanwhile, the screening and filtering plates can be replaced according to actual requirements, the whole operation process is convenient and rapid, and the practicability is high. And after being arranged, the flexible glue patches on the two sides of the plugboard frame are high in fitting leakproofness, and can be quickly put into sewage disposal for use.

The invention discloses an automatic discharging crusher based on coal equipment processing, which belongs to the technical field of crusher equipment, and comprises a first shaft roller, a second shaft roller, a primary screening cylinder, a secondary screening cylinder and a material guiding assembly, wherein a plurality of first shaft discs are arranged on the first shaft roller, a plurality of second shaft discs are arranged on the second shaft roller, the primary screening cylinder is sleeved outside the first shaft roller and the second shaft roller, a plurality of primary screening holes are arranged on the wall surface of the primary screening cylinder, the secondary screening cylinder is sleeved outside the primary screening cylinder, a plurality of secondary screening holes are arranged on the wall surface of the secondary screening cylinder, and a material guiding assembly is arranged between the primary screening cylinder and the secondary screening cylinder. The invention arranges a double-layer primary screening cylinder and secondary screening cylinder outside the first shaft roller and the second shaft roller. In the process of screening and crushing coal particles, the kinetic energy of coal blocks is used to cause continuous vibration of the primary screening cylinder and the secondary screening cylinder, so that the blocked coal particles are vibrated and separated from the primary screening cylinder and the secondary screening cylinder, thereby improving the screening efficiency after crushing and preventing the damp coal particles from blocking the filter structure.

The utility model belongs to the technical field of crushing and stirring, and particularly relates to crushing and stirring equipment which comprises a foot stool, a box body is mounted on the foot stool, a feeding hole is formed in the side wall of the box body, a filter screen is welded on the side wall of a connecting ring, a rotating rod is rotationally mounted on the inner wall of the box body through a bearing, and a feeding hole is formed in the side wall of the rotating rod. A plurality of groups of cutting knives are mounted on the rotating rod, the rotating rod is fixedly sleeved with a first gear, a rotating shaft is rotatably mounted on the inner wall of the box body through a bearing, the rotating shaft is fixedly sleeved with a second gear, a third gear is fixedly mounted on the inner wall of the filter screen, and the filter screen is driven to rotate while the rotating rod rotates; a filter screen drives raw materials to turn over, the raw materials are evenly dispersed and prevented from being stacked, meanwhile, a cutter is matched to cut the conveyed materials, the raw materials are evenly cut and stirred, the raw materials are prevented from being agglomerated and blocked, the raw materials are evenly dispersed, and the smashing quality is improved.

The utility model discloses a slurry screening device which comprises a screen, a first fixing piece and a second fixing piece, and the first fixing piece is provided with first screening holes corresponding to the screen; the second fixing piece is provided with second screening holes corresponding to the first screening holes, the second fixing piece is provided with at least two locking assemblies, each locking assembly is provided with a movably-adjustable fixing part, the screen and the first fixing piece are placed on the face, provided with the locking assemblies, of the second fixing piece, and the fixing parts are used for pressing or loosening the first fixing piece. Therefore, the first fixing piece and the second fixing piece tightly press or loosen the screen from two opposite directions. According to the slurry sieving device, the slurry sieving efficiency can be effectively improved, and the operation of replacing the sieve is facilitated.

The present invention relates to the technical field of powder production, and specifically to a coffee powder multi-grade particle size filter-screen quantitative discharging device and method. The coffee powder multi-grade particle size filter-screen quantitative discharging device is used to screen the coffee powder and export it for packaging, comprising a frame and a cylinder installed on the side of the frame, and also comprising: two sieve plates movably arranged inside the cylinder, the two sieve plates are connected to a power mechanism arranged on the cylinder, and the power mechanism is used to drive the two sieve plates to rotate in the cylinder; a material-dispensing mechanism, two groups of which are arranged in the cylinder, the two groups of material-dispensing mechanisms are respectively located above the two sieve plates, and the two groups of material-dispensing mechanisms are connected to the power mechanism through an intermittent trigger mechanism. Through the mutual cooperation between various mechanisms and components, while improving the screening efficiency, after the screening is completed, the coffee powder remaining on the filter plate can be removed by the residual powder transfer mechanism, and the direction of the discharging pipe is deflected to realize the automatic recovery of the coffee powder, thereby improving the convenience and efficiency of production.

The utility model discloses a powder sieving device for high-energy compressed biscuit production, which comprises a sieving container and a sieving net, the sieving net can be mounted on the upper side in the sieving container in an up-and-down moving manner through resetting of a plurality of elastic pieces, the sieving net is of a cambered surface structure protruding upwards, and a vibration motor is arranged on the lower side face of the middle of the sieving net; the grinding and scraping piece is arranged at an interval and rotationally mounted above the screening net; a limiting protruding edge is arranged on the edge of the cambered surface of the screening net, corresponding magnet pieces are arranged at the two ends of the grinding and scraping piece and on the upper surface of the limiting protruding edge, and the magnet pieces on the limiting protruding edge and the grinding and scraping piece are arranged in a repulsive mode. According to the utility model, the sieving net driven by the vibration motor is matched with the grinding and scraping piece rotationally mounted above the sieving net, so that the vibration sieving and grinding and scraping of materials are realized, the sieving treatment of large-particle or sticky raw and auxiliary materials is further facilitated, the sieving quality is ensured, and the sieving efficiency is improved.

The utility model discloses a superfine powder dry-method sieving device, and particularly relates to the field of superfine powder, the superfine powder dry-method sieving device comprises a connecting cylinder, a sieving assembly is arranged in the connecting cylinder, the sieving assembly comprises a vibrating screen, the upper end of the vibrating screen is connected with a screen in a clamping mode, and an ultrasonic disperser is fixedly arranged at the bottom of the vibrating screen. And sliding blocks are arranged outside the vibrating screen at equal intervals, the sliding blocks are in sliding connection with sliding grooves formed in the connecting cylinder, a connecting base is fixedly arranged at the upper end of the screen mesh, the connecting base is fixedly connected with the ultrasonic disperser, an auxiliary assembly is arranged outside the connecting cylinder, and the auxiliary assembly comprises an electric telescopic rod. According to the ultra-fine powder screening device, due to the arrangement of the screening assembly, ultra-fine powder is dispersed in an ultrasonic dispersion mode, so that molecules in substances are excited to conduct ultra-high-frequency vibration, the powder is loose and not prone to huddling, the screening efficiency of the ultra-fine powder screening device is improved to a certain degree, meanwhile, operation such as dismounting, cleaning and the like can be conveniently conducted on a screen, and the practicability of the ultra-fine powder screening device is enhanced.

The utility model relates to the technical field of elastomer sieve plates, and discloses a thermoplastic elastomer sieve plate which comprises an installation frame, the inner surfaces of the left side and the right side of the installation frame are fixedly connected with the same sieve plate through reset springs, and sieve holes communicated with the back face of the sieve plate are formed in the front face of the sieve plate. A cleaning plate located on the front face of the screen plate is fixedly connected to the front face of the mounting frame. By arranging the reset spring, the sieve plate can move irregularly due to impact force in the screening process, and the effect of effectively improving the screening efficiency and guaranteeing the normal screening efficiency is achieved through the irregular movement of the sieve plate. By arranging a cleaning plate and a cleaning strip, the effect that the cleaning strip rotates to clean the surface near the screen holes when the screen plate moves is achieved, and then the effect that screened objects are effectively prevented from being adhered to the surface of the screen plate is achieved by automatically cleaning the position near the screen holes in time, so that the position near the screen holes is cleaned in time through irregular movement of the screen plate; and the effect of improving the screening efficiency and quality is achieved.

The utility model is suitable for the technical field of sand screening machines, and provides a building construction sand screening machine which comprises a screening box, a stirring box is arranged at the top of the screening box, a vibration assembly is arranged in the screening box, and a stirring assembly is arranged in the stirring box. The vibrating assembly comprises a screen arranged in the screen box and movably connected with the screen box, a plurality of groups of springs arranged at the bottom of the screen and auxiliary columns arranged in the springs in a sleeving manner and connected with the screen and the screen box, and a moving assembly is arranged at the top of the screen; the stirring assembly comprises a stirring motor arranged on one side of the stirring box, a stirring shaft which is arranged at the output end of the stirring motor and penetrates through the interior of the stirring box and a plurality of groups of stirring blades arranged on the stirring shaft, so that sand and stones can be conveniently sieved, and the sieving efficiency is improved.

The utility model discloses a high-hardness powder coating sieving device, and particularly relates to the technical field of powder sieving, the high-hardness powder coating sieving device comprises a sieving box, a feeding mechanism is arranged on one side of the sieving box, and a sieving mechanism is arranged in the sieving box; the feeding mechanism comprises a feeding pipe, the feeding pipe is fixed to one side of the screening box, a fan is fixedly installed at one end of the feeding pipe, the top of the feeding pipe fixedly communicates with a connecting pipe, the top of the connecting pipe fixedly communicates with a feeding box, and the top of the feeding box fixedly communicates with an inlet pipe. The screening efficiency is improved through rotation of the filter screen cylinder, when the filter screen cylinder rotates, the brush plate is always in close contact with the surface of the filter screen cylinder under the elastic action of the fixed spring, along with rotation of the filter screen cylinder, the brush plate continuously cleans the surface of the filter screen cylinder, attached high-hardness powder is brushed off in time, mesh holes are effectively prevented from being blocked, and the screening efficiency is improved. And stable sieving efficiency is ensured, and the sieving efficiency is prevented from being influenced by accumulation and blockage of high-hardness powder.

The utility model discloses a filtering device for enhancing the strength of recycled cardboard paper. The filtering device comprises a rectangular thick plate, a reset spring, a connecting sliding groove, a rectangular groove, a rectangular frame, a strip-shaped filtering net, a strip-shaped groove, a strip pressing block, an air cylinder, a containing groove, an electric control box, a winding box, a motor, a penetrating hole, a strip-shaped hole, a bucket frame, a rectangular opening, a connecting sliding block and an electromagnetic clutch. The utility model has the beneficial effects that the bottom frame opening of the rectangular frame can be completely covered by the filter screen surface with the corresponding mesh size on the strip-shaped filter screen, the strip-shaped filter screen is divided into four filter screen surfaces with the same width, and the mesh sizes of the four filter screen surfaces are sequentially different; the function of conveniently replacing filter screen structures with other specifications according to filtering requirements is achieved, the adjusting and replacing time is saved, and the working efficiency is improved; and the connected rectangular frames can quickly reciprocate in the rectangular grooves and are in a shaking state, so that the effect of shaking the filtered materials back and forth for screening and filtering is achieved, and the screening and filtering efficiency is high.

The application is suitable for the field of heparin sodium crude product production, and provides a continuous drying and smashing integrated machine for heparin sodium crude product production, which comprises a secondary drying and smashing box, a drying and smashing cylinder assembly is arranged in the secondary drying and smashing box, the drying and smashing cylinder assembly is used for receiving heparin sodium wet solid introduced by a primary drying and smashing box; the drying and smashing cylinder assembly comprises a feeding pipe, a power shaft and a drying and smashing cylinder structure; the drying and smashing cylinder structure comprises a drying and smashing outer cylinder and at least two drying and smashing inner cylinders which are sequentially sleeved; the feeding pipe is communicated to the innermost drying and smashing inner cylinder of the at least two drying and smashing inner cylinders through a hose; the power shaft is used for synchronously driving the drying and smashing outer cylinder and the drying and smashing inner cylinders to rotate; the heparin sodium wet solid can be fully guaranteed to be in full contact with the heating body of the cylinder mesh in the sequentially graded smashing process, which is beneficial to linkage and cooperation of the two processes of drying and smashing, and reduces equipment investment cost and maintenance cost.

The invention discloses a fly ash perforated brick preparation method, and belongs to the technical field of perforated brick preparation, the technical scheme is characterized in that gangue, limestone and fly ash are mixed, crushed and ground through a crusher, and the crusher comprises a crushing roller, a grinding disc and a sieving mechanism; the screening mechanism comprises a screen frame, a first driving motor, a first gear and a second gear, the first gear is installed on the first driving motor, the second gear is installed on the screen frame, and the first gear is meshed with the second gear. The screening efficiency of the crushed raw materials is improved, and the production efficiency of the porous bricks is further improved.

The utility model belongs to the technical field of soil detection, and particularly relates to a soil detection treatment device which comprises a box body, a feeding port is fixedly connected to one side of the top of the box body, a crushing cutter is rotatably connected to the upper portion of the interior of the box body, a vibrating screen is slidably connected to the lower portion of the interior of the box body, and a second discharging hopper is fixedly connected to the bottom of the inner wall of the box body. A conveying cylinder is fixedly connected to the side, away from the second discharging hopper, of the interior of the box, and a spiral conveying blade is rotationally connected to the interior of the conveying cylinder. The utility model provides a soil detection and treatment device, and solves the problems that in the prior art, soil is detected after being simply screened by a screening machine, but the soil is mostly in a block shape after being sampled and is difficult to directly screen, and if the soil is not crushed in advance, the screening efficiency is seriously influenced, and the screening efficiency is influenced. And an existing soil pretreatment part is relatively high in manual participation, relatively low in automation degree and relatively high in influence on the working efficiency.

The utility model relates to the technical field of building construction, and discloses building construction sand screening equipment which comprises an equipment box body and a screen barrel arranged in the equipment box body, a discharging pipeline is arranged in the middle of the bottom wall face of the equipment box body, and a rotating mechanism is arranged between the top of the side wall face of an inner cavity of the equipment box body and the top of the outer side wall face of the screen barrel. The rotating mechanism comprises a rotating supporting sliding ring fixedly installed on the top of the outer side wall face of the screen barrel and two sets of supporting balls arranged on the top of the side wall face of an inner cavity of the equipment box body, and a driving mechanism for driving the screen barrel to rotate is arranged on the top of the left end of the equipment box body. And the driving mechanism comprises a driving motor fixedly mounted at the top of the left end of the equipment box body and a driving gear fixedly mounted at the output end of the driving motor. By arranging the rotating mechanism and the driving mechanism, the sand screening and filtering efficiency of the equipment is improved, and the equipment is convenient for dismounting the screen barrel, so that a worker can conveniently carry out later maintenance operation on the equipment.

The utility model provides a kind of drilling fluid circulation purification separation integrated machine, including support, elastic mechanism and agitating mechanism, the elastic mechanism includes contact block and moving plate, the upper surface of moving plate and the lower surface of contact block are fixedly connected, moving plate and contact block are used to provide elastic force, so that it can increase drilling fluid filtration efficiency;The agitating mechanism includes activated carbon plate and cotton, and the side surface of cotton is connected with the side surface of activated carbon plate.The utility model utilizes the lamination of contact block and second screening plate, so that it can drive moving plate to move under the influence of stamping, and it can rebound according to the movement of first screening plate and second screening plate, improve the elastic frequency of first screening plate and second screening plate, and simultaneously use activated carbon plate and cotton to adsorb and filter the high-temperature heated drilling fluid while patting, so that it can purify the high-temperature heated drilling fluid multiple times, thereby improving the purification effect of drilling fluid gas.

The utility model discloses a lithium iron phosphate grinding and sieving device which comprises a feeding part, a grinding part, a sieving part, a discharging part and a supporting base, the sieving part comprises an outer shell and two sieving plates with sieve holes different in size, the two sieving plates are rotatably arranged in the outer shell, a hollow plate is fixedly arranged above the two sieving plates, and the hollow plate is fixedly arranged on the outer shell. The hollowed-out plate and the two sieving plates are each provided with a plurality of hollowed-out parts, a double-end motor is further arranged between the two sieving plates in a vertically-lifting mode, a driving device is arranged, the upper rotating shaft end and the lower rotating shaft end of the double-end motor are fixedly sleeved with outer gears, and inner gears meshed with the outer gears are arranged in the middles of the two sieving plates. When the screening device is used, the driving device lifts the outer gear to drive the screening plate to rotate until the position of the screening hole part is aligned with the position of the hollowed-out part of the hollowed-out plate, when the screening plate needs to be replaced, the current screening plate is rotated to an initial state, and then the other screening plate is rotated to play a screening role, so that the screening plate can be replaced without shutdown and manual disassembly; the working efficiency is improved.

The utility model relates to a screening device technical field, concretely is a kind of powder high -efficient screening device, including support frame, the shape of support frame is L-shaped;Filtering assembly, the filtering assembly includes limit slot, the limit slot is opened in the top of support frame, the inside sliding connection of limit slot has connecting rod one, the side surface of connecting rod one is fixedly connected with several connecting rod two and several connecting rod two is annular array distribution.This powder high -efficient screening device, when carrying out filtering work to powder, staff can start motor one, so that elastic ball can produce high-frequency vibration, so that elastic ball can transmit high-frequency vibration to filter screen in uniform and stable mode, so that powder particle will be subjected to vertical and horizontal direction's compound impact force, make originally close gathering powder particle regain the ability of free dispersion, to make the flowability of powder on screen significantly enhance, can be more smoothly, quickly pass through sieve hole, improve screening efficiency.

This utility model discloses a sieving device for detecting heavy metal content in soil, including a base, a telescopic rod, a stirring cover, and detachable collection cups and filter cups. The telescopic rod is fixed to the top of the base and connected to the stirring cover. The filter layer is rotatably connected to the outside of the telescopic rod, with the filter cup installed in its middle. The stirring cover has a built-in drive motor that drives the stirring blades to extend into the filter cup. The rotating stirring blades break up clumps of soil and push fine particles through the sieve. Combined with the spring-loaded positioning of the filter layer, the magnetic fixation of the collection cup, and the anti-slip design of the rubber pad on the base, efficient anti-clogging, closed-loop operation, and stable operation are achieved. This device effectively solves the problems of easy clogging of the sieve, serious dust pollution, and easy equipment displacement in traditional sieving, significantly improving the efficiency and safety of soil heavy metal detection pretreatment.

The invention discloses a soil multi-stage crushing and screening device, which relates to the technical field of soil screening. The feed inlet box is located above the box, the feed inlet is connected to the box, a crushing mechanism is arranged in a crushing chamber, the crushing mechanism includes a symmetrically arranged telescopic crusher, the telescopic crusher moves along the vertical direction of the feed inlet, a crushing head is arranged on the head of the telescopic crusher, the crushing heads of the symmetrically arranged telescopic crusher move relatively, and the crushing heads that move relatively squeeze and crush the soil, one end of the crushing chamber is opened to connect the feed inlet, and the other end of the crushing chamber is opened to connect the multi-stage grinding box, the multi-stage grinding box includes at least three rollers, there are grinding gaps between adjacent rollers, the grinding gaps decrease step by step, and the grinding gaps are the largest near the inlet of the multi-stage grinding box, the vibrating screen includes a screen plate and a vibrating screen driving mechanism, the screen plate is located below the outlet of the multi-stage grinding box, and the collecting chamber is located below the screen plate. Multi-stage crushing and screening improves screening efficiency and reduces soil pollution.

The mixing machine comprises a machine body and a machine cover, the top end of the machine body is connected with the machine cover through bolts, a discharging port is formed in the bottom end of the machine body, a fixing frame is welded to the bottom end of the machine body, a material screening bin is arranged in the machine body, and a discharging port is formed in the bottom end of the machine body. And a rotating motor is installed on one side of the machine body through bolts, an electric push rod is installed in the fixing frame through bolts, and a hinge is welded to the position, located on one side of the fixing frame, of the bottom end of the machine body. The electric push rod drives the sliding block to move, the sliding block drives the guide rail and the discharging plate to rotate with the hinge as the axis, wheat flour in the machine body falls to the inner side of the discharging plate through the discharging opening, the wheat flour is guided through the discharging plate, and therefore the wheat flour in the mixing machine can be rapidly discharged conveniently; and therefore, the discharging efficiency of the mixing machine is effectively improved, and the mixing machine can perform automatic discharging.

The utility model relates to a sieving machine for solid beverage production, which is characterized in that the top of a base is fixedly connected with a support frame, one side of the support frame is fixedly connected with a sieving machine body, the top of the sieving machine body is communicated with a feed port, and sieving structures are arranged on both sides of the sieving machine body; the screening structure comprises an air cylinder, the bottom of the air cylinder is fixedly connected with the base, the output end of the air cylinder is arranged on the upper portion, the output end of the air cylinder is fixedly connected with a lower limiting block, the top of the lower limiting block is fixedly connected with a movable rod, the top of the movable rod is fixedly connected with an upper limiting block, and the movable rod penetrates through the fixing box. According to the sieving machine for solid beverage production, the sieving structures are arranged on the two sides of the sieving machine body, the air cylinder drives the movable rod to be matched with the reset spring and the connecting spring on the two sides, the movable rod can drive the sieving net to adjust the inclination angle, the phenomenon that the sieving net is blocked is reduced, and therefore the sieving efficiency of the sieving machine is improved.

A battery powder wet method sieving device, including a sieving frame, a placing plate, a sieving upper cover and a sieving stirring assembly; the sieving frame is placed on the placing plate, the middle part of the placing plate has a flow guide opening, the bottom surface of the sieving cavity of the sieving frame is a sieve screen located at the flow guide opening, and the sieving upper cover is detachably sealed and covered on the top surface of the sieving cavity of the sieving frame; the sieving stirring assembly includes a sieving stirring shaft and a sieving stirring motor, and the end of the sieving stirring shaft close to the sieve screen is provided with a scraper. Therefore, the sieving device can automatically filter the foreign matters in the slurry safely, without pollution and without external overflow, has good sieving efficiency, can conveniently take out or replace the sieving frame after sieving, so as to conveniently realize the extraction and separation of foreign matters and guarantee continuous production.

The utility model discloses a snakegourd seed processing device. The snakegourd seed processing device comprises a barrel body, a filter plate, a rotating assembly and a driving piece, the filter plate is detachably connected into the cylinder body; the rotating assembly comprises a rotating shaft and an extrusion plate, the rotating shaft penetrates through the filter plate, the extrusion plate is mounted on the rotating shaft, and the top end of the extrusion plate is elastically connected with a plurality of dispersion plates; the driving piece is installed in the barrel and used for driving the rotating shaft to rotate. Through the arrangement of the extrusion plate, the dispersion plate and the driving piece, the screening efficiency is greatly improved.

A crushing and processing device for furfural raw materials comprises a feeding hopper, a primary crushing mechanism, a secondary crushing mechanism, a screening and discharging mechanism and a control device which are sealed and installed from top to bottom; a coarse mesh screen and a medium mesh screen are respectively arranged at the bottom of the primary crushing mechanism and the secondary crushing mechanism; the screening and discharging mechanism is used to further screen the raw materials that have reached the secondary crushing particle size, and to discharge the raw materials that have reached the required discharging particle size and the raw materials that have not reached the required discharging particle size into a discharging box and an unqualified material box arranged on the screening and discharging mechanism respectively; the control device is used to control the operation of the entire crushing and processing device; the present invention enables the raw materials to be crushed to be screened in a coarse, medium and fine step in an assembly line manner in the crushing process, effectively solving the problems of long crushing time, incomplete crushing and large crushing resistance caused by repeated crushing by a single crushing mechanism in the background technology, greatly improving the work efficiency and reducing the energy consumption cost.

The impurity screening device for the spent catalyst lifter comprises a filter cylinder capable of being arranged in a main pipeline of the spent catalyst lifter, the filter cylinder comprises a first screening cylinder part and a second screening cylinder part which are sequentially arranged from top to bottom, and the diameter of the first screening cylinder part is larger than that of the second screening cylinder part; a communicated transition screen drum part is arranged between the first screen drum part and the second screen drum part, and a screen is arranged in a port of the lower end of the second screen drum part. The lower portion of the second screen drum is divided into two areas through the partition plate, the anti-accumulation area is closed through the inclined screen, screened impurities are prevented from completely covering the screen, and materials falling into the filter drum are guided to the upper end of the inclined screen through the inclined guide plate to be screened. The impurities left on the inclined screen can slide down to the accumulation area to wait for cleaning, and are blocked by the inclined screen, so that the accumulation condition caused by the fact that part of the catalyst cannot be screened is avoided, the cleaning frequency of the filter cylinder is reduced, and the screening efficiency is improved.

The utility model discloses a calendaring and defoaming mechanism for a heat-conducting silica gel gasket, and belongs to the field of defoaming mechanisms. A heat conduction silica gel gasket calendaring forming defoaming mechanism comprises a working barrel and further comprises an extension rod rotationally connected to the working barrel, a bubble filtering net is fixedly connected to the bottom of the extension rod, a driving machine is connected to the working barrel in a lifting mode, and the extension rod is fixedly connected to the output end of the driving machine; the limiting disc is fixedly connected to the driving machine through a connecting rod, the bottom of the limiting disc is fixedly connected with a scraping plate, the scraping plate is attached to the surface of the follicle filtering net, the scraping plate is fixedly connected with an arc-shaped cleaning plate, and the arc-shaped cleaning plate is attached to the inner wall of the working barrel; according to the utility model, raw materials with stronger viscidity can be scraped, the smoothness of the foam filtering net is kept, and heat-conducting silica gel raw materials are prevented from blocking filter net holes, so that the screening and filtering efficiency of the foam filtering net is improved, the screening and filtering waiting time is shortened, the production cycle is shortened, and the production efficiency is improved.