1115results about How to "Improve filtering effect" patented technology

The utility model relates to the technical field of automobile decorating part production, and discloses an automobile decorating part spraying line electrostatic dust collection device which comprises a supporting frame, a spraying transmission line is installed above the supporting frame, a supporting cover is fixedly connected to the upper surface of the supporting frame, and a dust collection assembly is installed on one side of the interior of the supporting cover. A filtering assembly is mounted on the upper surface of the supporting cover; the dust removal assembly comprises a supporting plate and a first ion wind bar, the two ends of the first ion wind bar are fixedly connected to the inner wall of the supporting plate, a hydraulic rod is fixedly connected to the upper surface of the supporting cover, the output end of the hydraulic rod is fixedly connected to the upper surface of the supporting plate, and a first limiting rod is fixedly connected to one side of the outer wall of the supporting plate. According to the utility model, the decorating parts are conveyed to the lower part of the supporting cover through the spraying conveying line, and the fan I blows clean air flow for preliminary dust removal; the hydraulic rod drives the supporting plate and the first ion wind bar to ascend and descend, the angle of the second ion wind bar is adjusted, efficient dust removal is achieved, and the practicability of the device is improved.

This invention discloses a submarine cable anti-scouring device and its construction method, applicable to the field of submarine cable protection technology. The invention includes a filter layer and a flexible protective layer. The filter layer comprises multiple filter pads arranged sequentially along the axial direction of the submarine cable on the surface of the cable and / or the seabed, with adjacent filter pads overlapping. The flexible protective layer comprises multiple flexible protective pads arranged sequentially along the axial direction of the cable on the filter layer. At least one flexible protective pad is provided at the overlap of any two adjacent filter pads to press the filter layer firmly against the surface of the cable and / or the seabed. This application, through the cooperation of the filter layer and the flexible protective layer, improves the stability of the submarine cable anti-scouring device to reduce inter-segment displacement and possesses adaptive capability to seabed subsidence deformation, effectively enhancing the anti-scouring effect of the submarine cable.

The utility model discloses a water heating pipeline exhausting and dirt removing device which comprises an exhausting and dirt removing mechanism and a dirt remover, the top of the dirt remover is fixedly connected with a top cover, a filter screen is arranged in an inner cavity of the dirt remover, a cleaning assembly is arranged in the filter screen, a fixing assembly is arranged in the inner cavity of the dirt remover, and an exhausting assembly is arranged in the top cover. According to the device, the water inlet pipe is connected with the water inlet valve on the water heating pipeline, the water outlet pipe is connected with the water outlet valve on the water heating pipeline, the connecting pipe of the filter screen can be in contact and fit with the inner side of the water inlet pipe through the placing plate and the guide plate, and when liquid in the water heating pipeline enters the dirt separator through the water inlet pipe, the liquid is filtered through the filter screen; the filtered liquid is discharged through the water outlet pipe; the motor works, the rotating roller drives the cleaning side rod and the cleaning bottom rod to rotate, the bottom and the side wall of the filter screen can be cleaned, and the situation that dirt is attached to the filter screen, so that the permeability of the filter screen is poor, and the flow of liquid is affected is avoided.

This utility model discloses a feeding device for PVC pipe production, comprising: an extruder body; a storage silo connected to the feed inlet of the extruder body; a feeding silo located on one side of the extruder body; a negative pressure pipe connecting the feeding silo and the storage silo, wherein a negative pressure fan is connected to the negative pressure pipe; and a weighing component located on the feeding silo for weighing materials. The advantages of this utility model are that it allows for the sequential weighing of different materials using the weighing component, resulting in accurate weighing data, avoiding uneven material proportions that could affect product quality, filtering materials to prevent clumping and impurities from entering, thus improving production quality, facilitating impurity removal, and increasing work efficiency.

The utility model discloses a portable air purifier, which relates to the technical field of air purification and comprises a purifier top seat, the top of the purifier top seat is fixedly connected with a support, the bottom of the purifier top seat is provided with a plurality of filter screen cylinders, and the bottoms of the filter screen cylinders are in threaded connection with a base. The clamping seat at the bottom of the top seat of the purifier can be directly assembled with the threaded seat on the base in a threaded mode, at the moment, the overall size becomes very small, carrying is convenient, when the purifier needs to be used, after the top seat and the base of the purifier are disassembled in a threaded mode, the number of the filter screen cylinders can be taken out according to needs, and the filter screen cylinders are assembled; after the multiple filter screen cylinders are spliced, the filtering area of the folding filter screen is increased, meanwhile, the filter screen cylinders are convenient to replace, and a stable triangular state is formed by the telescopic rod and one corner of the base and the table top for supporting; the device can purify air and adjust the angle at the same time to achieve the effect of blowing and cooling as a desktop fan in hot weather.

This invention relates to the field of agricultural intelligent equipment and machine vision technology, and discloses a method for weed detection and growth point localization based on shared features. The method constructs a collaborative dataset containing weed detection labels and growth point labels, utilizes a shared feature extraction network to extract multi-scale features, and sets detection task branches and growth point localization branches in a unified feature space to achieve joint modeling of weed detection and growth point localization. Then, adaptive positive sample selection is performed based on the joint cost between candidate sample points and labeled growth points, and joint training is conducted using detection loss, growth point localization classification loss, and growth point localization regression loss. During the inference stage, the method outputs weed detection results and growth point localization results, and generates target point information. This method can reduce redundant calculations and error cascading in the multi-stage processing, and improve the accuracy of growth point localization and the stability of target point output in complex farmland scenarios.

The utility model provides a kind of security filter convenient to replace, including shell and the screw rod of the lifting assembly being arranged in its upper cavity, first sensor, second sensor, sealing unit, a plurality of first filter components and a plurality of second filter components, and first sensor, second sensor are respectively installed in the upper portion and lower portion in shell;The upper portion of shell is connected with upper cover, and opposite sides are respectively provided with water inlet and water outlet, and first filter component and second filter component are sequentially and alternately sleeved in the outside of lifting assembly screw rod below water inlet, and first filter component, second filter component are arranged at angle;Lifting assembly is used to drive first filter component, second filter component up and down movement.The security filter convenient to replace of the utility model, the structure of lifting assembly and filter component being arranged, so that filter plate can be automatically lifted to the outside of shell, facilitate staff maintenance and replacement, reduce the operation difficulty, improve work efficiency.

The utility model relates to sand mould casting cooling technical field discloses a sand mould casting can quick cooling device, including base and fixed shell, the top fixedly connected with fixed shell of base, the rear end of fixed shell inside is provided with the reserved slot, the inside through -hole of reserved slot is provided with the external connection pipe, the top fixed mounting of fixed shell has the cylinder, the bottom movable joint of cylinder has telescopic link. This sand mould casting can quick cooling device is provided with installation frame and so on spare, opens drive motor, drives the rotation of screw rod, can drive the second connecting block of outside to move, when the first connecting block of fixed pipe top two sides will be in the external guiding of fixed rod and moves, will inject into fixed pipe through external connection pipe into cooling water, finally through the shunt spray hole of bottom equidistance distribution can carry out the spray cooling to the sand mould of bottom, makes convenient and quick cooling forming, solves the problem of inconvenient quick cooling.

This utility model discloses a solid-liquid separation diatomaceous earth filtration system, relating to the field of filtration technology. It includes: a coating tank for storing a liquid mixed with diatomaceous earth, a coating circulation pipeline, and a raw liquid tank, a delivery pump, a filter cartridge, and a purified liquid tank connected in sequence. The filter cartridge is vertically arranged inside the cartridge. A drain port and a liquid inlet pipeline are provided at the bottom of the cartridge, and an outlet pipeline and a cleaning pipeline, both connected to the filter cartridge, are provided at the top. A drain valve is provided at the drain port. The top of the inner cavity of the cartridge is connected to a first air supply pipeline, and the bottom of the inner cavity is connected to a pressure return pipeline. The bottom of the coating tank is connected to the liquid inlet channel of the cartridge via a circulation pump. One end of the coating circulation pipeline is located inside the coating tank, and the other end is connected to the filter cartridge. In this utility model, the filter cartridge is coated with soil using the coating tank. Gas supplied through the first air supply pipeline forces the raw liquid inside the cartridge into the pressure return pipeline, saving raw liquid resources and improving the regeneration effect of the filter cartridge.

This utility model relates to the field of coolant filtration and discloses a concentrated coolant-composite filtration device with a quickly replaceable filter screen. The device includes a filter, a cooling water pipe fixedly connected to the top left side of the filter, a cooling plate installed outside the cooling water pipe, a cooling fan fixedly installed at the front end of the cooling plate, a filter screen cylinder placed inside the filter, a threaded sleeve fixedly connected to the center of the bottom of the filter screen cylinder, and a threaded opening at the top of the filter. This concentrated coolant-composite filtration device with a quickly replaceable filter screen filters particulate impurities contained in the coolant through the filter screen cylinder. Simultaneously, a magnetic rod inside the filter screen cylinder can adsorb metallic impurities mixed in the coolant, enhancing the filtration effect as the coolant passes through the filter screen cylinder. Cleaning is simple; just pull the ring to remove the magnetic rod from the limiting bracket for cleaning, thus solving the problem of poor filtration effect.

The utility model relates to the technical field of PVC (polyvinyl chloride) pipe fittings, and discloses a pipe fitting for preventing floor drain fault, the main body structure of the connecting pipe fitting consists of an upper end pipe, a middle section secondary drainage pipe and a lower end pipe, and the structure is precise, reasonable and easy to implement. The research and development of the anti-fault pipe fitting not only can effectively prevent drainage of the floor drain from scouring a sand-lime layer, but also can enable water of the sand-lime layer to be smoothly discharged into a sewer line, and even can effectively prevent sand-lime from falling into the sewer line to cause blockage of the sewer line when the floor drain is installed in the decoration tiling stage; the filter net basket is fixed to the inner ring of the mounting ring, impurities are further filtered out, the anti-blocking effect is enhanced, the supporting columns and the mounting ring are connected through the tightening springs, and when water flow impact or external force is applied to the pipe fitting, the supporting columns can guarantee the stability of the filter net basket and the mounting ring and maintain the filtering and drainage performance of the pipe fitting by means of telescopic buffering of the tightening springs; and the home decoration drainage requirement is comprehensively met.

The utility model discloses a modularized rain sewage diversion box with a self-cleaning function, which comprises a diversion rainwater box, a module partition plate is correspondingly arranged in the diversion rainwater box, and the interior of the diversion rainwater box is divided into a precipitation cavity and a filtering treatment cavity by the module partition plate. According to the utility model, the interior of the diversion rainwater tank is divided into the precipitation cavity and the filtering treatment cavity by the module partition plate for respectively precipitating and filtering, so that reclaimed water and clean water can be conveniently treated and used, and the two backwashing cleaning pieces can be externally connected with an external water source for respectively backwashing the precipitation cavity and the filtering treatment cavity; the water filtering part and the flow guide control part are not prone to being blocked, dirt and impurities can be circularly cleaned and filtered through the filtering and cleaning tank, water is saved while self-cleaning is convenient, the device is convenient to carry out modularized split-flow water outlet, reclaimed water outlet and clean water outlet, the application range is large, the self-cleaning backwashing effect is good, cleaning is convenient, and water is saved.

The invention discloses a separation module with a uniform filtering structure and a cleaning robot. A first annular flow channel is formed in the edge part of the top of an inner cavity of the separation module, and the first annular flow channel is connected with an air inlet; a filter block is arranged in the exhaust cavity, and a gap is reserved between the upper surface of the filter block and the upper wall surface of the exhaust cavity; an overflow port is formed in the top of the first convex edge of the air exhaust cavity, a second annular flow channel is arranged on the outer side of the air exhaust cavity, the second annular flow channel is arranged around the air exhaust cavity, and the second annular flow channel communicates with the overflow port; and the second annular flow channel is connected with the air outlet. The air flow is filtered by the filter block, and the air flow horizontally diffuses all around after flowing through the filter block and then flows to the second annular flow channel, so that the air flow more uniformly flows through the filter block, the filter effect is improved, the service life of the filter block is prolonged, and the air flow flows more smoothly.

The application discloses a cooling water tank and a welding machine, and relates to the technical field of welding machines, wherein the cooling water tank comprises a water bucket, a filtering assembly and a drain cover; the water bucket is provided with a cavity, a water inlet, a water return inlet and a drain outlet which are communicated with the cavity; part of the outer wall of the water bucket is protruded to form a water outlet nozzle; the water outlet nozzle forms a recess on the inner wall of the water bucket; the filtering assembly comprises a filter cartridge and a pipe body support which are detachably connected with each other; the end of the filter cartridge is inserted into the recess; the recess and the filter cartridge are sealed by a sealing ring; the pipe body support is arranged in the drain outlet; there is a gap between the outer wall of the pipe body support and the inner wall of the drain outlet; the filtering assembly can enter or leave the cavity through the drain outlet; and the drain cover is detachably connected with the drain outlet to open or close the drain outlet. The application can repeatedly filter the circulating cooling water; the filtering assembly can be drawn out from the drain outlet; and the replacement or cleaning operation is relatively convenient.

The utility model relates to kitchen garbage waste liquid treatment technical field discloses a kind of kitchen garbage heating oil-water separation device, including box, the upper surface of the box is provided with filter screen, the inside sliding connection of the box has floating plate, the bottom fixed connection of the floating plate has oil suction pipe, the inside fixed connection of the box has heating rod, the lateral wall of the box is fixedly connected with oil collecting tank, the lateral wall of the oil collecting tank is fixedly connected with oil suction pump, the output end fixed connection of the oil suction pump has conveying hose, the upper surface of the floating plate is fixedly connected in the conveying hose one end, the lateral wall of the box is provided with vibration assembly, the lateral wall of the filter screen is provided with fixed component. In the utility model, by starting motor makes rotary disc rotation, let rotating strip rotate and pull vibration frame left and right slide, reach to filter screen vibration effect, prevent material to be accumulated on filter screen and cause the blockage of filter screen, improve the filtration effect by the above structure.

This utility model provides a welding fume purification and collection device for metal products. The device includes a housing, a filter assembly, a pipe body, an air inlet hood, and a pre-filtration mechanism. The filter assembly, housed within the housing, includes a fan, a filter element, and a telescopic pipe. The fan's input end is connected to the filter element, and the other end of the filter element is connected to the telescopic pipe, which communicates with the pipe body. The pre-filtration mechanism is located within the telescopic pipe. This device relates to the field of welding fume treatment. By incorporating a pre-filtration mechanism within the telescopic pipe, this utility model effectively filters and intercepts large-sized impurities carried in the welding fume before it enters the filter element, preventing these impurities from directly entering the filter element. This significantly reduces the risk of filter element clogging and damage, extends the filter element's service life, and reduces maintenance and replacement costs.

The utility model relates to a water circulation device and a fish tank, and aims to provide higher ornamental value while circulating filtration of water, the device comprises a container, a base, a suction part and a water feeding pipe, the bottom of the container is provided with a water outlet and a water feeding port, the suction part conveys the water at the bottom of the container to the upper part through the water feeding pipe, and circulating flow of the water is realized. A supporting piece is arranged at an opening of the container, plant landscaping or a filtering medium can be used for filtering and purifying a water body, meanwhile, nutrients are provided for aquatic plants, a mutualistic ecological system is formed, the base protects the container and accommodates the suction piece, the structure is simple, and maintenance is easy. And the design of the detachable butt joint piece facilitates cleaning and later maintenance.

This utility model relates to a nonwoven fabric filter, belonging to the field of filter technology. It includes two placement rings, with an outer filter ring placed between the two placement rings. An inner filter ring is placed inside the outer filter ring. A filter assembly for filtering liquid is provided between the two placement rings. The filter assembly includes filter rings placed between the two placement rings. A first nonwoven fabric fiber ring is fixedly embedded inside the outer filter ring, and a second nonwoven fabric fiber ring is fixedly embedded inside the inner filter ring. This nonwoven fabric filter performs multi-layer filtration of liquid through the action of the first, second, and third nonwoven fabric fiber rings, improving the filtration effect and efficiency. Furthermore, the inner filter ring is conveniently restrained by the cooperation of the limiting plate, limiting ring, and rubber pad, facilitating the installation and removal of the inner filter ring by operators.

The utility model discloses a dust collecting filter bag convenient to dismount belongs to dust collecting filter bag field, including filter bag, the inside of filter bag is inserted with filter mechanism, the upper surface fixedly connected with connecting sleeve of filter bag, and the inside of connecting sleeve is penetrated with connecting rope, through the cooperation of above -mentioned each device, the utility model simple structure, convenient operation, through the filter mechanism of setting, when supporting in the filter bag inside with A support ring and B support ring, fast installation of plug -in rod and filter screen, the downtime of equipment can be reduced significantly to fast dismounting filter bag, and the maintenance speed can be accelerated to simplify the dismounting process, so that the maintenance team can complete more work in shorter time, after the installation of filter mechanism is completed, connecting rope, fixed buckle and fixed clamping sleeve are fixed in the filter bag, and when using, through filter screen and filter bag reach the effect of double filtration, improve the filtration effect, and can complete dismounting fast when installing, improve the convenience.

This utility model discloses a highway bridge with convenient drainage, comprising a beam body and concrete and asphalt layers arranged sequentially from bottom to top on the beam body. Drainage ditches are provided on both sides of the beam body, with a filter layer at the top of the drainage ditches. A water collection trough of a certain height is reserved above the filter layer. Multiple drainage holes are spaced along the length of the bridge on the filter layer, with filter plugs inside the drainage holes. A drain pipe is provided at the bottom of the drainage holes, with the outlet of the drain pipe extending to the pier foot and connecting to a collection pool. This utility model has a simple structure, high ease of construction, short construction period, and low construction cost. It ensures good drainage effect and is very easy to clean, greatly reducing cleaning costs. The addition of a rainwater collection pool at the pier foot of the highway bridge enables rainwater recycling, which is environmentally friendly and prevents foundation corrosion at the pier foot, thus improving the service life of the bridge.

This utility model provides a novel columnar paint mist collector, including a shell. Multiple filter covers are fixedly installed on the inner wall of the shell. A first inner core is fixedly installed on the inner wall of each filter cover. A guide filter plate is fixedly installed on the outer wall of each filter cover. Multiple second inner cores are fixedly installed on the inner wall of each guide filter plate. Two full-coverage filter plates are also fitted onto the outer wall of each filter cover. Multiple third inner cores are fixedly installed on the inner wall of each full-coverage filter plate. The advantages of this utility model are: the guide filter plates reduce the leakage of air from the outside of the filter covers when they are misaligned; the full-coverage filter plates increase the overall filtration effect, thus adding a double filtration effect while filtering the filter cover at that position, thereby maintaining multiple filtration effects on the air while reducing the leakage of unfiltered air.

The utility model relates to the technical field of nozzles, in particular to an anti-blocking assembly for a low-temperature water distributor nozzle of an air cooling tower. According to the technical scheme, the spray head comprises a spray head body, filter cloth, a water inlet pipe, a stud, a through hole and a filter pipe, the outer side of the upper end of the spray head body communicates with a second connecting disc, the outer sides of the two ends of the filter pipe communicate with second connecting discs, a filter screen is fixed to the lower end of the interior of the filter pipe, and the filter cloth is placed on the upper side of the filter screen; activated carbon is contained in the filter pipe, a first connecting disc is installed on the outer side of the lower end of the water inlet pipe in a communicating mode, the outer side diameter of the first connecting disc is equal to that of a second connecting disc, and through holes are formed in the outer side of the first connecting disc and the outer side of the second connecting disc in an annular array mode; the two ends of the filter pipe communicate with a spray head body and a water inlet pipe correspondingly, and the first connecting disc and the second connecting disc are connected with each other. The cooling water filtering device has the advantage of being beneficial to filtering impurities in cooling water.

This invention relates to the field of water sample treatment technology and discloses a portable multi-mode water sample filtration pretreatment device, including a portable support, a sedimentation tank on one side of the portable support, a siphon tube inside the sedimentation tank, and a filter screen at the end of the siphon tube away from the sedimentation tank. A filter screen is fixedly installed inside the filter screen. A rotating frame is rotatably connected to the inside of the filter screen. This invention has rich functionality, simultaneously meeting the needs of multiple modes including filtration, static sedimentation, and centrifugation. Furthermore, the nozzle in this invention can continuously adjust its position to achieve fully automated rinsing of the filter screen. Compared to existing technologies that use multiple nozzles to fully rinse the filter screen, the single-nozzle rinsing structure facilitates subsequent maintenance. In addition, impurities that are dispersed and reduced in size during rinsing cannot be sent to the lower membrane filter and are discharged through the drain pipe under the action of water flow, thereby improving the service life of the membrane filter.

This invention discloses an antioxidant porous TiAl alloy, the raw materials of which include: a mixed powder, nano-B4C, nano-NiO, and nano-SiO2. The mixed powder comprises TiH2 powder and aluminum powder; the Ti content in the mixed powder is 51-53 wt%; the weight ratio of nano-B4C, nano-NiO, and nano-SiO2 to the mixed powder is 2-3:0.5-1.5:2-3:100. This invention also discloses a method for preparing the above-mentioned antioxidant porous TiAl alloy, comprising the following steps: mixing TiH2 powder and aluminum powder to obtain a mixed powder, then adding nano-B4C, nano-NiO, and nano-SiO2 and mixing, pressing into shape, vacuum sintering, soaking in an alkaline solution, and washing with water to obtain the antioxidant porous TiAl alloy. This invention also discloses the application of the above-mentioned antioxidant porous TiAl alloy in filtering high-temperature flue gas. This invention exhibits excellent antioxidant and filtration performance.

The utility model relates to the technical field of corn seed screening, and discloses a screening device for corn seeds, which comprises a fixed bottom plate and a screening box, one side of the top of the screening box is communicated and provided with a feed port, and a hollow area is formed on a partition plate and positioned on the right side of a baffle plate. The partition plate is fixedly installed at the upper position in the screening box, the top of the partition plate is divided into two areas, one area is the solid area, the other area is the hollow area, after an air bellow is assembled, the air feeder on the side edge is started to work to supply air, airflow is guided into the screening box through the circulating pipe after being filtered through the filter plate, and therefore the screening effect is achieved. Therefore, when feeding is conducted at the position of the feeding port, air flow blows corn seeds to shift rightwards to reach the position above the hollow area, particles such as stones with the gravity larger than that of the corn seeds are located above the solid area, and the materials flow out of the hollow area and are screened through the screening plate under guiding of the material guiding plate. In this way, the overall screening capacity is well improved in the working process.

The utility model relates to the technical field of water purification equipment, in particular to a filter element and water purification equipment with the same. Comprising an explosion-proof shell and a plurality of groups of filtering assemblies, the upper end of the explosion-proof shell is communicated with a water inlet shell, the water inlet shell is communicated with a water inlet pipe joint, and the explosion-proof shell is communicated with a water outlet pipe joint; the plurality of groups of filter assemblies are mounted on the inner side of the explosion-proof shell, each filter assembly comprises a PP cotton cylindrical filter screen and an activated carbon cylindrical filter screen arranged on the outer side of the PP cotton cylindrical filter screen, a plurality of communicating pipes communicated with an inner cavity of the water inlet shell are connected to the top end of the interior of the explosion-proof shell, and the plurality of communicating pipes are respectively communicated with the plurality of PP cotton cylindrical filter screens. Compared with a conventional filter element, the filter element arranged in the technical scheme can enlarge the filtering area of the filter element under the same cavity volume, so that the filtering efficiency of a water body is improved.

This utility model discloses a low-resistance, high-efficiency air filter, belonging to the technical field of filtration equipment. It includes a mounting box and a blower. The blower is housed within the mounting box, and an air outlet pipe is located at the top of the mounting box, connecting to the outlet end of the blower. An air inlet box is fixedly connected to the back of the mounting box, with an air inlet pipe connected to its upper end. An exhaust pipe is fixedly connected to the lower end of the air inlet box, connecting to the inlet end of the blower. Several slots are provided on the back of the air inlet box, each containing a filter frame. This utility model improves maintenance efficiency and makes the device more convenient to use by incorporating filter frames. It can quickly adapt to different air filtration needs. By using filter cotton, it provides air purification, improving air filtration efficiency and ensuring a stable output of filtered air to meet the air purification requirements of various locations.

The utility model discloses a multi-filtering type drying device, which relates to the technical field of drying equipment and comprises a tank body, a sealing cover, an air inlet pipe, a filtering frame, an exhaust pipe and a liquid discharge pipe. The tank body provides a drying and filtering space for materials, the sealing cover is used for providing a sealing environment for the tank body, external pollutants are prevented from entering the tank body during working, the filtering frame provides a filtering and containing part for the materials in the tank body, the first filtering frame and the second filtering frame in the filtering frame can achieve double filtering treatment on the materials, and the filtering effect is good. The gas inlet pipe can be used as a gas inlet channel for filter pressing operation or suction filtration operation, the suction pipe can be used as a suction channel for suction filtration operation and can also be used as an exhaust channel for filter pressing operation, and the liquid discharge pipe is used for discharging waste liquid in the tank body; according to the utility model, the material can be subjected to filter pressing or suction filtration drying treatment, so that multiple drying treatment on the material is realized, and the filtering and drying treatment effect on the material can be effectively improved.