73results about How to "Guaranteed Filtration Efficiency" patented technology

This utility model discloses a filter paperboard punching mechanism, relating to the field of filter paperboard processing technology. It includes a hydraulic punching main unit, with a punching worktable on the front side of the main unit. A lower punching die is fixedly connected to the upper front end of the worktable. A hydraulic telescopic rod is fixedly connected to the upper end of the main unit via a cantilever, positioned directly above the lower punching die. Through the use of elastic heating support pads and elastic pressure pads, the loose fiber structure of the filter paperboard is effectively prevented from being compacted, ensuring the air permeability and filtration efficiency of the filter paperboard. Simultaneously, the elastic heating support pads heat the filter paperboard when in contact with it, softening the fibers and preventing brittle breakage, thus improving the quality of the punching process. Furthermore, the elastic pressure pads further reduce the direct impact of the punching blade on the paperboard, resulting in a smoother punching edge, reducing burrs and fiber damage, and improving the overall quality of the product.

The utility model belongs to the technical field of waste heat utilization equipment, and particularly relates to a waste heat boiler which comprises a waste heat boiler body and supporting legs, a waste heat recovery structure is arranged above the waste heat boiler body and comprises a filtering mechanism and a recovery mechanism, and the filtering mechanism comprises a supporting plate, a gas guide pipe, an installation plate, a fixing plate and a rotating rod. The top of the supporting plate is connected with the bottom of the recycling box, one end of the waste heat boiler communicates with one end of the gas guide pipe, and the two ends of the mounting plate are connected with the inner wall of the recycling box. According to the waste heat boiler, after flue gas enters the recycling bin, the flow speed is reduced, the retention time is prolonged, the filter screen can effectively intercept solid impurities in the flue gas, pollutant emission is reduced, environmental pollution is avoided, impurities accumulated on the surface of the filter screen can be automatically removed, blocking is prevented, and the filtering efficiency is maintained; and meanwhile, the filter screen can be quickly and conveniently disassembled and assembled, and the working efficiency of the waste heat boiler is improved.

The utility model relates to the technical field of catalyst recovery, disclose a kind of solid-liquid separation filter devices for desulfurization catalyst regeneration and recovery, including filter tank, the upper portion of the filter tank is equipped with support plate, the inside central position of the support plate is connected with support rod and is penetrated rotation, the lower end of the support rod is fixed with horizontal plate, and the both ends of the horizontal plate are fixed with mesh box jointly;The utility model is filtered by telescopic cylinder and drives mesh box into filter tank, and utilizes motor drive carousel, rotating plate, slide bar, fixed rod and rack, drives gear and support rod, horizontal plate and mesh box reciprocating rotation;The reciprocating rotation of mesh box makes the desulfurization catalyst accumulated in it continue to turn over, effectively prevent the mesh hole blockage caused by the accumulation compaction of desulfurization catalyst in mesh box bottom, and also promote the impurities adhered to the surface of desulfurization catalyst particle to fall off in turning process and discharge with waste liquid, so as to improve the purity of desulfurization catalyst after separation.

The utility model relates to the technical field of plant stock solution extraction, in particular to a membrane separation device for plant extraction, which comprises a bottom plate, a separation mechanism arranged on the rear side of the bottom plate and a filtering mechanism used for filtering plant stock solution before membrane separation, the filtering mechanism is positioned on the front side of the bottom plate, and the filtering mechanism comprises a filtering structure and a stirring structure. An annular filter plate is arranged above the lower fixing frame, and an anti-blocking structure for backflushing filter holes in the filter plate is arranged below the filter plate. The plant stock solution filtering device has the beneficial effects that impurity particles in plant stock solutions are preliminarily pretreated and filtered through the filtering structure, when the filtering plate is blocked, the stock solutions in the filtering plate are gathered together through the anti-blocking structure, back-flushing water flow in the direction from bottom to top is applied to the filtering plate, and therefore impurities blocked in filtering holes of the filtering plate are flushed away; the phenomenon that the filter plate is blocked by impurities is reduced, so that the normal filtering capacity of the filter plate is ensured, and the filtering efficiency of the filter plate on the stock solution is ensured.

The utility model relates to the technical field of valves, in particular to a pilot control handle valve group for a high-pressure oil cylinder, which comprises a valve body and a filter mechanism, an oil inlet and an oil outlet are arranged on the surface of the valve body, the filter mechanism comprises a shell, one side of the shell is fixedly connected with the oil inlet, a square groove is arranged on the surface of the shell, and the valve body is fixedly connected with the square groove. And a notch is formed in the bottom of the square groove, and a fine filtering plate is inserted into the notch. The filtering mechanism is arranged on one side of the valve body, impurities in oil can be effectively filtered out, the cleanliness of the oil entering the valve body is improved, abrasion and blockage of the impurities to components in the valve body are avoided, the service life of the valve set is prolonged, the rotary knob is rotated to drive the screw to rotate in the fixing block, and the valve set is convenient to use. The screw rod rotates to drive the clamping block to move upwards, so that the fine filter plate can be unfixed, the fine filter plate can be conveniently disassembled and replaced, and the maintenance cost and difficulty are reduced.

This utility model provides a wastewater cooler with a pipe anti-clogging device, including a wastewater cooler body. An outlet pipe and an inlet pipe are connected to both ends of the wastewater cooler body. The inlet end of the inlet pipe is connected to a filter pipe via a bent connecting pipe. A slag collection pipe seat is connected to the end of the filter pipe away from the bent connecting pipe. A support column is installed at the bottom inside the slag collection pipe seat, and a turbine housing is installed on the support column. A turbine is installed inside the turbine housing, and the turbine is rotatably connected to the inner wall of the turbine housing via a rotating shaft. This utility model, by installing a filter pipe at the inlet end of the wastewater cooler body, can filter the wastewater entering the wastewater cooler body, ensuring that the filtered wastewater does not contain large particles of impurities, preventing excessive impurities from clogging the wastewater cooler. A conical filter screen is installed inside the filter pipe to further filter the passing wastewater, reducing the impurity content in the wastewater.

The utility model discloses a kind of reverse osmosis sewage treatment equipment, it includes: mounting bracket, the second fixed frame is fixedly connected between the opposite side of the mounting bracket, the first reverse osmosis filter is fixedly connected on the second fixed frame upper surface, the first reverse osmosis filter water inlet end is fixedly connected with first water inlet pipe, the first water inlet pipe is fixedly connected with pressure tank at the end away from the first reverse osmosis filter, the pressure tank water inlet end is fixedly connected with fifth connecting pipe, the booster tank water inlet end is fixedly connected with fourth connecting pipe, the fourth connecting pipe other end is fixedly connected with water softener, the water softener water inlet end is fixedly connected with third connecting pipe, the third connecting pipe other end is fixedly connected with activated carbon filter, the activated carbon filter water inlet end is fixedly connected with first connecting pipe, the first connecting pipe other end is fixedly connected with composite filter, by front end pretreatment filtration water quality and booster device, ensure the filtration efficiency of reverse osmosis filter and prolong its service life.

The utility model discloses wastewater recycling equipment which comprises a vertical frame, and a lower area for mounting a plurality of groups of water collecting tanks and an upper area for mounting a filter tank are arranged in the vertical frame; a water path assembly is installed outside the vertical frame and comprises a one-inlet and two-outlet front-stage pipeline and a two-inlet and two-outlet rear-stage pipeline communicated behind the front-stage pipeline, and a water pump is correspondingly arranged at the two connecting points of the front-stage pipeline and the rear-stage pipeline. Two paths of output ends of the rear-stage pipeline are communicated with diffusion discs which are positioned in the filter box and are used for dispersing water flow in a one-to-one correspondence manner; the two diffusion discs are distributed at high and low positions, and a filtering piece is laid below each diffusion disc; the lower parts of the filter tanks are communicated with the water collecting tanks through conveying pipelines one by one. The utility model aims to solve the two core technical problems of low efficiency, difficulty in maintenance, poor system reliability and limited processing capacity caused by non-uniform water distribution.

The utility model relates to the technical field of filter presses, and discloses a filter mechanism of a plate-and-frame filter press, which comprises a filter plate and filter cloth detachably connected to the filter plate, and is characterized in that the filter plate is cuboid and is hollow, a feed pipe is arranged in the center of the filter plate in a penetrating manner, and the feed pipe is communicated with the filter cloth. The filter device comprises a filter plate, a feed pipe is arranged in the filter plate, two opposite sides of the filter plate are respectively provided with a circular-ring-shaped concave filter cavity, the feed pipe on the two opposite sides of the filter plate is sequentially sleeved with filter cloth and a positioning frame, and the positioning frame can abut against the side faces of the filter cavities, and the filter device has the following advantages and effects that the filter cloth is convenient to disassemble and assemble and can be replaced at any time according to needs; the operation efficiency is improved; the filtering quality is ensured.

This utility model belongs to the field of wastewater treatment technology, and in particular to a wastewater treatment device, including a base plate with two side plates welded to the top of the base plate. A common treatment tank is welded to the top of the two side plates. In this utility model, wastewater enters the treatment tank through an inlet pipe and flows through a filter plate for filtration. As the filtration process continues, the filter holes on the filter plate gradually become clogged with impurities, leading to a decrease in filtration efficiency. At this point, the device's start-up motor drives a sliding rod to rotate through a circular plate. When the sliding rod rotates, it pushes a reciprocating plate up and down. The reciprocating motion of the reciprocating plate, through a connecting rod, is transmitted to a reciprocating rod via a support plate and connecting frame. This reciprocating motion causes the reciprocating rod to insert into the filter holes, pushing out the impurities clogging them. This continuous up-and-down motion of the reciprocating rod effectively cleans the filter holes, preventing clogging and ensuring the filtration efficiency of the filter plate.

The utility model relates to the technical field of wastewater treatment, and particularly discloses a wastewater treatment system. Wherein the filter tank is used for preliminarily filtering impurities in liquid, the anti-disturbance sedimentation tank is used for precipitating the impurities in the liquid, and the filter device is used for removing the impurities in the liquid; the filtering tank comprises a first water outlet, a primary filtering structure which is arranged on one side of the first water outlet and is used for filtering liquid, and a suction pump which is arranged on one side of the first water outlet and is used for pumping the liquid; the anti-disturbance sedimentation tank comprises a first water inlet used for introducing liquid and an anti-disturbance device arranged at the tail end of the first water inlet, and the anti-disturbance device can reduce disturbance of water flow of the first water inlet to the liquid in the anti-disturbance sedimentation tank. According to the utility model, the production cost is reduced, and meanwhile, the rapid filtering capability is realized.

This utility model belongs to the field of kiln heat recovery, specifically a flue gas waste heat recovery kiln preheating device, including a kiln body. A door panel is rotatably connected to one side of the kiln body, and a heating pipe is fixedly connected to the top of the kiln body. A vibration mechanism is provided at the other end of the heating pipe. The base of the vibration mechanism plays a major supporting role, and the top cover can improve the emission efficiency of high-temperature flue gas. The high-temperature flue gas passes through a purification component to filter impurities and dust in the gas. The heat exhaust pipe can be connected to external equipment through a flange, and the filtered high-temperature flue gas is transported to the required equipment through the heat exhaust pipe. When the cam rotates continuously, the protruding part can push the box to vibrate continuously through rollers and extension rods. The spring between the box and the base can improve the vibration effect, vibrating and removing the impurities and dust particles filtered in the purification component, ensuring the filtration efficiency of the purification component.

The invention relates to the technical field of waste gas treatment, and discloses waste gas treatment equipment for a laboratory fume hood, the waste gas treatment equipment comprises a cabinet body, the cabinet body is an overall equipment supporting carrier, a top box is fixedly mounted at the top of the cabinet body, and a movable cabinet door is slidably assembled on the front side of the cabinet body in the vertical direction; a plurality of air adjusting plates distributed at equal intervals are rotatably mounted at the inner bottom of the top box through rotating shafts, a sliding groove is formed in one side of the bottom of the top box, a rack plate is slidably mounted in the sliding groove, and a plurality of driving gears are connected to the outer side of the rack plate in an engaged mode. Opening and closing of the air adjusting plate and adjustment of the spraying liquid pushing amount are synchronously linked through the sliding action of the movable cabinet door, so that the waste gas collecting flow and the spraying neutralization amount are accurately matched with the actual experiment operation state of a laboratory, manual real-time intervention is not needed, waste gas overflow and invalid waste of the spraying liquid are effectively avoided, and the working efficiency is improved. The automation degree of waste gas treatment is greatly improved, and diversified experiment operation waste gas treatment requirements of a laboratory are met.

The utility model belongs to the technical field of ground source heat pumps, and particularly relates to a ground source heat pump sewage purification device which comprises a heat pump body and a purification device shell, the purification device shell is installed in the heat pump body, and a filtering and impurity removing mechanism is arranged in the purification device shell. The filtering and impurity removing mechanism comprises a water inlet pipe, one end of the water inlet pipe communicates with the bottom of the purifying device shell, and the other end of the water inlet pipe penetrates to the rear side of the heat pump body. One end of the water outlet pipe communicates with one side of the purification device shell, and the other end of the water outlet pipe penetrates to the outer side of the heat pump body. The utility model provides a sewage purification device of a ground source heat pump, which can automatically clean impurities filtered and accumulated on a filter screen, ensure that the filter screen is always in an optimal working state, effectively prevent the filter screen from being blocked, maintain the filtering efficiency, ensure the water quality to be clean, and prolong the service life of a heat pump system and other key components.

This utility model discloses an integrated multi-unit laminar flow air supply device, comprising: a laminar flow air supply body, an airflow handling system, an installation interface flush with the building ceiling, a lateral return air duct, and a flow equalization structure; wherein, the laminar flow air supply body is fixed flush with the cleanroom ceiling via the installation interface, the airflow handling system is integrated inside the laminar flow air supply body, and the lateral return air duct is used to connect to an external return air duct. The device provided in this application, by installing flush with the ceiling, can solve the problem of excessively high equipment height in areas requiring laminar flow cleanliness due to limited cleanroom ceiling height.

The invention provides a brewing and deacidification method of aroma-enhanced passion fruit wine, belongs to the technical field of fruit wine, and solves the technical problems of high acidity, poor taste and the like of existing fruit wine. According to the brewing and deacidification method of the aroma-enhanced passion fruit wine, passion fruits harvested in a grading mode are cleaned and then added into a smashing box to be smashed, and fruit pulp is obtained for use; the method comprises the following steps: cleaning glutinous rice, soaking the cleaned glutinous rice in water for 3-5 hours, steaming the cleaned glutinous rice, sprinkling water to cool the steamed glutinous rice, then adding the steamed glutinous rice into an enzymatic hydrolysate, adding a composite yeast agent into the enzymatic hydrolysate, and uniformly stirring to obtain a fermentation substrate; adding the fermentation substrate, distiller's yeast and fruit pulp into a fermentation tank, adding an acid reducing agent, and carrying out sealed fermentation; after the fermentation is completed, precipitating and filtering the passion fruit wine, then feeding the passion fruit wine into a storage tank for storage, sealing the precipitate after precipitation, and then filtering the passion fruit wine. The method has the advantages that the acidity of the passion fruit wine is reduced, the flavor of the passion fruit wine is improved, the filtering pressure is reduced, and the quality is improved.

The application relates to the technical field of high-pass filters, in particular to an L-band high-pass filter which comprises a shell, a sealing structure, a heat dissipation structure, a filtering structure, a resisting structure, a fixing structure, a positioning structure, a filter body, a protective cover and a mounting hole. The filter body is placed in the shell and shielded and protected by the sealing structure, so that the filter body can be effectively prevented from being damaged by impact. The filter can be fixed on the shell through the fixing structure cooperating with the positioning structure, and the filter body can be quickly disassembled, so that the filter body can be conveniently overhauled and maintained. The filter body can be heat-dissipated through the heat dissipation structure. Dust can be prevented from entering the shell in the heat-dissipation process through the filtering structure. The filtering structure can be resisted through the resisting structure. The shell can be mounted through the mounting hole. The joint can be shielded and protected through the protective cover, so that the wire joint can be prevented from being damaged by impact.

The utility model discloses a kind of equal-diameter variable-pitch multistage roots vacuum pumps, relate to vacuum pump technical field.This kind of equal-diameter variable-pitch multistage roots vacuum pump, including pump body and motor, the pump body includes air inlet pipe and air outlet pipe, the pump body is rotatably connected with first rotating shaft and second rotating shaft, and the side wall of first rotating shaft and second rotating shaft is fixedly connected with rotor, the side wall of the pump body is fixedly connected with cooling tank, and the side wall of cooling tank is fixedly connected with liquid supply pipe and liquid return pipe.This kind of equal-diameter variable-pitch multistage roots vacuum pump, cooling liquid flow channel is arranged in first rotating shaft and second rotating shaft, and cooling liquid is circulated, can be very good cooling effect to rotor, guarantee its use effect and life;Impurities on the surface of filter screen are cleaned and collected simultaneously, and simultaneously, reciprocating knocking vibration can be carried out to the inner wall of filter screen, guarantee its filtering efficiency and effect, and then guarantee the use efficiency and effect of vacuum pump.

The utility model relates to the technical field of filtering equipment, in particular to an impurity cleaning structure of a multi-filtering device, which comprises a base, two support plates are fixed at the top of the base, and a motor is mounted at the front end of the support plate positioned on the front side; a plurality of transverse pipes are fixed to the outer wall of the main pipe, a plurality of annular pipes are fixed to the outer walls of the transverse pipes, and a plurality of spray holes used for backwashing the filter screen are formed in the tops of the annular pipes; when the filter screen is cleaned, the tank body rotates by 180 degrees, at the moment, the blow-off pipe rotates to the lower portion, a clean water source enters the multiple transverse pipes through the bent pipe and is discharged through the multiple spraying holes, the sprayed water source is directly sprayed to the filter screen, and under the action of the water source, impurities and the like adhering to the filter screen are separated from the filter screen and finally discharged to the outside through the blow-off pipe. By means of the design, the multiple filter screens can be conveniently and reversely washed, operation is convenient and fast, the cleaning efficiency of the filter screens is improved, and meanwhile the filtering efficiency of the filter screens on a barreled water source is guaranteed.

The utility model discloses a ceramic membrane assembly and a unit group applying the ceramic membrane assembly, and belongs to the field of beer filtration, the ceramic membrane assembly comprises a water receiving chassis, twelve single membrane groups and two empty membrane groups, the top of the water receiving chassis is provided with a frame, the twelve single membrane groups are connected in series through six communicating pipes, and the two empty membrane groups are communicated with the frame. The inner wall of each single membrane group is fixedly connected with a clear liquid outlet a, the side wall of the water receiving chassis is provided with a booster pump, the input end of the booster pump is fixedly connected with a membrane group inlet, the output end of the booster pump is fixedly connected with a flow guide channel, and two clear liquid upper outlet pipelines are communicated between the two empty membrane groups and the twelve single membrane groups. The inner wall of the upper clear liquid outlet pipeline is fixedly connected with a lower clear liquid outlet pipeline; by arranging twelve groups of single membrane groups and adopting a 2-serial * 6-parallel topological structure, and arranging two empty membrane groups at the tail end, the volume in the circulating pipe is effectively enlarged, the water hammer is reduced, the filtering time is prolonged, and the filtering efficiency is ensured.

This utility model relates to the field of grinding wheel technology, and more particularly to a grinding wheel machine with a dust removal structure. The technical solution includes a base, a support, a grinding wheel, protective covers, and a housing. Protective covers are fixedly installed on both sides of the outer surface of the housing. A grinding wheel is installed inside each of the two protective covers, and an opening is provided on the front surface of each of the two protective covers. A filter cartridge and an exhaust fan are fixedly installed inside the support. The input end of the exhaust fan is fixedly connected to the outer surface of the filter cartridge near its lower surface. A dust suction pipe is fixedly connected to the upper surface of the filter cartridge, and two connecting pipes are fixedly connected to the ends of the dust suction pipe. Each of the two connecting pipes is connected to a connecting valve. This utility model facilitates the removal of dust generated during the operation of the grinding wheel machine, while also preventing the filter screen from becoming clogged with dust due to long-term use, ensuring dust filtration efficiency, and thus ensuring the stable dust removal operation of the grinding wheel machine.

The utility model discloses a kind of separation preparation devices of D-chiral inositol, it is related to D-chiral inositol production technical field, the outlet of conversion liquid tank is communicated with ceramic membrane device, the clear liquid outlet of ceramic membrane device is communicated with first concentrator, the outlet of first concentrator is communicated with first crystallizing tank, the outlet of first crystallizing tank is communicated with first filter, the liquid phase outlet of first filter is communicated with dealcoholization tank, the bottom outlet of dealcoholization tank is communicated with second concentrator, the outlet of second concentrator is communicated with second crystallizing tank, the outlet of second crystallizing tank is communicated with second filter, the solid phase outlet of second filter is communicated with D-chiral inositol tank. Through the series connection process of ceramic membrane filtration, twice concentration, twice crystallization and filtration, the step-by-step separation purification of D-chiral inositol is realized, using the selectivity of ethanol crystallization, effectively improve product purity.

The utility model discloses a child urine microorganism sample collecting and fermenting device, which belongs to the technical field of microorganism collecting equipment and is characterized in that firstly, a lemongrass juice barrel conveys perfume to a spraying device through a booster pump, sprayed lemongrass juice is mixed with a child urine material in a collecting tank, and the mixed lemongrass juice flows into and out of a urine pipe through a urine outlet; urine flows into the urine outlet pipe and then falls into the collecting barrel through the connecting pipes, a water level sensor in the collecting barrel transmits a sensed urine signal to the controller, a computer in the controller compares the actually measured urine signal with a set urine signal to obtain deviation, then an opening and closing instruction is sent to the electrically operated valve according to the property of the deviation, and the electrically operated valve is opened and closed. And the urine is ensured to reach the set value until the collecting barrel is filled with the lad urine, and the lad urine pretreatment device has the effect of realizing the pretreatment of the urine.

The utility model relates to gas compression recovery technical field discloses a kind of self-adapting energy-saving industrial gas compression recovery systems, including filter, the inner wall of filter rotatably connected with impeller one, the inner wall of impeller one is fixedly connected with fixed link, the outer wall of fixed link rotatably connected with filter sheet, the outer wall of filter sheet is fixedly connected in the inner wall of filter, the outer wall of fixed link is fixedly connected with fixed gear, the outer wall of filter screen is fixedly connected in the outer wall of filter sheet, the outer wall of telescopic scraper is slidably connected in the outer wall of filter screen, the outer wall of filter is detachably installed with collection box, the outer wall of filter is provided with compression component. In the utility model, by gas drive impeller one rotation, make it drive fixed link rotate in the inner wall of filter sheet, set telescopic scraper can reciprocatingly clean filter screen, reach the effect of maintaining filtering efficiency, keeping the purity and quality of final recovery gas.

The utility model discloses a desliming cleaning system, which belongs to the technical field of desliming equipment cleaning systems and comprises a horizontal screw centrifuge, a sedimentation tank arranged on one side of the horizontal screw centrifuge and a cleaning mechanism arranged on the horizontal screw centrifuge. The cleaning mechanism comprises a flushing pipeline sealed on the outer wall of the spiral pusher and a first water conveying pipe in sealed connection with the flushing pipeline, the outer wall of the sedimentation tank is provided with a first water pump with the input end in sealed connection with the outer wall and a second water pump with the output end in sealed connection with the outer wall, and the output end of the first water pump is in sealed connection with the end, away from the flushing pipeline, of the first water conveying pipe. By arranging the filter box and the filter belt, mixed liquid can be filtered and stored, by arranging the horizontal screw centrifuge, the flushing pipeline, the first water conveying pipe, the first water pump, the second water conveying pipe, the third water conveying pipe and the second water pump, water liquid can be recycled, waste of water resources is reduced, resource recycling is achieved, and the production cost is reduced.

The invention relates to the technical field of centrifugal pumps, and discloses a self-suction centrifugal pump flow adjusting device and method.The self-suction centrifugal pump flow adjusting device structurally comprises a support, a driving motor set, an elastic coupler, a pump body, a self-suction noise reduction cavity, a dustproof assembly and a variable flow guide noise reduction mechanism. A variable flow guide noise reduction mechanism is mounted in the cavity, when an eccentric column on the rotating disc does eccentric motion, a connecting rod in sliding fit with the eccentric column is driven to swing on the fixing frame, and the connecting rod swings left and right through the limiting effect of a top sliding block, so that a plurality of swinging blocks are driven to swing synchronously; the multiple flow guide blades can be controlled to synchronously rotate, the flow area of the pump body is changed, the flow rate is adjusted, the sound absorption lining plate is installed in the self-absorption noise reduction cavity, noise generated during gas-liquid separation in the pump body can be absorbed through the formed sound absorption holes and the sound absorption cotton layer, and the noise reduction effect is achieved.

The utility model belongs to the technical field of dust collectors, and relates to a combined dust collector which comprises a dust collecting box and a shell, the shell is fixedly installed at the top end of the dust collecting box, the top end of the shell is fixedly connected with a first pipe body, the side wall of the shell is fixedly connected with a second pipe body, and a valve is arranged on the second pipe body. An umbrella-shaped dust collecting plate is fixedly mounted at the top end of the interior of the dust collecting box, an exhaust fan is arranged at the bottom end of the interior of the dust collecting box, a first filter plate is slidably mounted on the dust collecting box corresponding to the position between the umbrella-shaped dust collecting plate and the exhaust fan in a limiting mode, and a dust collecting assembly used for cleaning the first filter plate is arranged on the dust collecting box. The first filter plate is arranged in the dust collection box in a limited sliding mode, when dust and impurities on the upper end face of the first filter plate are too much, the first filter plate is pulled out, meanwhile, the dust and the impurities on the upper end face of the first filter plate are automatically cleaned through a scraper and a collection groove, and then the filtering efficiency of the first filter plate is guaranteed; and the adsorption efficiency of dust and impurities on the dust collection plate is improved.

This utility model relates to the field of air conditioning unit technology, and in particular to a heat recovery system for air conditioning units and an air conditioning fresh air handling unit. The heat recovery system consists of a first heat recovery coil and a second heat recovery coil installed on both sides of the original air conditioning unit's surface cooler, forming a closed-loop system via circulation pipes and a power pump station. The first heat recovery coil efficiently recovers heat from the fresh air and reduces the load on the surface cooler, transferring the heat to the second heat recovery coil via the circulation pipes. The second heat recovery coil then uses the recovered heat from the fresh air to reheat the low-temperature air after dehumidification by the surface cooler, reducing the consumption of reheat steam and dehumidification chilled water. This structure fundamentally solves the energy offsetting problem caused by the "cooling and dehumidifying before heating" process in traditional air conditioning units, significantly reducing the unit's reheat energy consumption and the surface cooler's cooling load, achieving energy saving and emission reduction. Furthermore, an air conditioning fresh air handling unit with the aforementioned heat recovery system is also provided.

This utility model discloses a separation device for water-soluble organic fertilizer, including a liquid storage tank with an open upper end, a left support fixed to the left end of the liquid storage tank, a right support fixed to the right end of the liquid storage tank, and a filter assembly rotatably connected to the left and right supports at both ends; and a geared motor driven by the filter assembly through a transmission mechanism; the filter assembly includes a cylindrical filter screen and a support frame fitted onto the filter screen; the two ends of the support frame are rotatably connected to the left and right supports respectively; the filter screen has a plurality of filter holes and is arranged in an inclined manner with the left end higher and the right end lower; a collection chamber for collecting insoluble matter discharged from the right end of the filter screen is provided at the right end of the liquid storage tank, and a discharge pipe is provided on the collection chamber; a drain pipe is provided at the lower part of the liquid storage tank, and a drain valve is provided on the drain pipe. The advantages of this utility model are: effectively delaying the clogging of the filter holes and ensuring filtration efficiency.

This utility model relates to a high-efficiency feeding device for a vertical pyrolysis furnace, belonging to the technical field of feeding devices. It includes a feeding box with a filter screen at a certain angle inside. A crushing component is located inside the feeding box and above the filter screen. A motor for driving the crushing component is located on one side of the feeding box. An air pump is installed on the feeding box. A cleaning component is located inside the feeding box, between the filter screen and the crushing component. The cleaning component is fixedly connected to the output end of the air pump. The crushing component includes a first crushing roller and a second crushing roller, which are rotatably installed inside the feeding box. This utility model, through the cleaning component and air pump, uses an electric slide rail to drive the mounting plate and cleaning brush to move parallel to the filter screen, effectively scraping away residual material on the surface of the filter screen. A blower head, supplied with air by the air pump, blows air in reverse from inside the holes, thoroughly clearing the filter screen pores and ensuring filtration efficiency and continuity.