65results about How to "Filter stable" patented technology

The utility model relates to stirring and filtering equipment for oral liquid production in the technical field of oral liquid stirring and filtering, which comprises a stirring barrel, a valve is arranged at the bottom end of the stirring barrel, a discharge pipe is fixedly connected to the output end of the valve, a support frame is fixedly connected to the lower part of the surface of the stirring barrel, and a stirring mechanism is arranged at the top of the stirring barrel. A connecting and filtering mechanism is movably connected to the inner side of the stirring barrel, tightening rings are arranged on the outer sides of the surfaces of the stirring barrel and the connecting and filtering mechanism, and fixed limiting sleeve blocks are symmetrically arranged on the outer side of the surface of the top of the stirring barrel. According to the oral liquid filtering device, the stirring barrel and the connecting filtering mechanism can be stably connected under the action of the tightening ring, oral liquid can be filtered in a multi-layer mode, the situation that excessive impurities are accumulated, and consequently filtering and permeating of the oral liquid are slow is avoided, stirring can be conducted in the filtering process in cooperation with the stirring mechanism, and the filtering effect can be improved.

The invention discloses a spray tower spray liquid self-purification circulating treatment device, which comprises a treatment shell, an inner cavity of which is sequentially divided into a gas circulation cavity and a spray water circulation cavity from top to bottom by a separator; the annular filter part is rotationally arranged on the partition part and matched with the inner cavity of the treatment shell, and the annular filter part is driven by driving equipment arranged in the gas circulation cavity to rotate; one end of the gas inlet pipe is connected with an equipment input end for supplying oxidizing gas, and the other end is communicated with one end of the gas circulation cavity; one end of the gas outlet pipe is communicated with the other end of the gas circulation cavity, and the other end is communicated with one end of the spray water circulation cavity; and the automatic impurity removal mechanism is arranged in the gas circulation cavity between the gas outlet pipe and the annular filtering piece. The driving equipment can drive the annular filtering part to rotate, and the outer wall areas, located in the spraying water circulation cavity and the gas circulation cavity, of the annular filtering part are continuously changed, so that ozone can dredge the annular filtering part, spraying water is stably filtered all the time, and the requirement for long-term stable operation is met.

The utility model discloses a water pumping device for an underground coal mine, which belongs to the field of coal mining, solves the problem that the existing water pumping device for the underground coal mine is easy to switch frequently due to water level fluctuation, and comprises a main body pump, a suction pipe, a base and a lifting plate, according to the utility model, through the arrangement of the floating mechanism and the communication mechanism, the internal circuit of the equipment can be stably communicated, and the touch switches are connected in parallel, so that the operation is convenient, the operation is convenient, and the working efficiency is improved. And the equipment is still in a running state after one group of touch switches is started, so that when the water level fluctuates, even if the lifting plate slides up and down, stable connection of a circuit and running of the equipment can still be realized, a sensor does not need to be additionally arranged on the inner wall of a roadway, the equipment is more convenient to use, and the overall working quality is improved.

The invention discloses a filtering device for rapeseed oil processing and a filtering process thereof, and relates to the technical field of vegetable oil production. The top end of the bottom bin is detachably connected with an oil passing bin; an oil passing hole is formed in the bottom surface of the oil passing bin; an oil inlet cover is mounted at the top end of the oil passing bin; a plurality of springs I are mounted in the top end of the oil inlet cover; coarse filter plates are slidably connected between the suspenders, floating boxes are installed between the bottom faces of the suspenders, oil control pipes are fixedly connected to the bottom faces of the floating boxes and slidably connected with the oil passing holes, and a plurality of oil passing grooves are evenly distributed in the bottom of each oil control pipe in the circumferential direction and communicate with the oil passing holes. The problem of oil accumulation during double-layer filtration of rapeseed oil is effectively solved by utilizing the oil passing bin and dynamically controlling the oil accumulation amount, and the filtration efficiency is improved by means of a mode of avoiding manual regulation and control.

This utility model relates to the field of rose jam processing technology and discloses a rose jam filtering device, including a filter cylinder. A filter screen is slidably fitted onto the inner wall of the filter cylinder. A protrusion is fixedly mounted on the filter screen, and the outer edge of the protrusion overlaps with the inner wall of the filter cylinder. A toothed ring is fixedly mounted on the bottom of the filter screen, and a roller is movably fitted onto the toothed ring. A motor drives a rotating gear to rotate via a rotating rod and a scraper frame, which in turn drives a transmission gear to rotate. The transmission gear, through the toothed ring, drives the filter screen to rotate, thereby assisting in the opposite rotation of the scraper frame and the filter screen. When the filter screen rotates, it drives the protrusion to adjust its position, thereby causing the filter screen to vibrate. A spring pushes an auxiliary cylinder downward, causing the outer edge of the fixed rod to slide within the inner wall of the fixed frame, thereby assisting in the vibration and resetting of the filter screen and facilitating the stable filtration of the rose jam.

The present invention discloses a high-voltage interlock detection strategy that can be fully diagnosed, including the following steps: Step 1: complete all initializations when the whole vehicle is powered on, and set the high-voltage interlock sampling flag to invalid; Step 2: detect that the high-voltage interlock detection conditions specified by the user are met, start periodic sampling detection, and after the nth sampling is completed, set the high-voltage interlock sampling flag to valid; Step 3: calculate the voltage threshold corresponding to the high-voltage interlock signal under different working conditions; Step 4: The high-voltage interlock detection module detects the high-voltage interlock signal, and judges the AD average value of the continuous sampling input of step 2 according to the voltage threshold of step 3, and analyzes the corresponding working conditions; Step 5: detect that the high-voltage interlock detection conditions specified by the user are met, and stop the periodic detection. In the present invention, by inputting a specified signal to the high-voltage interlock detection circuit, and then using the detection strategy for sampling control and calculation judgment, the detection is more complete and safe.

The invention relates to a belt type vacuum filter capable of automatically adjusting blanking speed, which comprises a main body, a rubber belt sleeved on the main body and filter cloth sleeved on the outer side of the rubber belt, a feeding assembly used for paving slurry on the filter cloth is arranged on the main body, and the feeding assembly comprises a feeding pipeline and a blanking hopper arranged below the feeding pipeline. A baffle is arranged on the feeding pipeline in a sliding mode, a tensioning roller is arranged below the rubber belt in a sliding mode, the tensioning roller descends in the process that the slurry is poured into the feeding assembly and drives the baffle to slide to block the feeding pipeline, and a filtering assembly for filtering the slurry is arranged on the side face of the feeding assembly. The side surface of the main body is provided with a scraper for discharging the slurry on the filter cloth, and a cleaning assembly for cleaning the filter cloth is arranged below the scraper, so that the problems that the discharging speed is fixed, and the slurry density or thickness is too high, so that thorough filtration cannot be ensured during filtration, and the quality of finished products is influenced due to non-uniform filtration are solved.

This invention provides a dual-cylinder fully automatic switching pressure-stabilizing melt filter, comprising a body with a first and second filter cylinder arranged horizontally on the left and right sides, each filter cylinder containing a filter cartridge; a melt inlet and a melt outlet are respectively located at the front and rear ends of the body, corresponding to automatic feed switching valves and automatic discharge switching valves, used to control the entry of melt into different filter cylinders and the discharge of filtered melt; both filter cylinders are connected to exhaust valves to discharge gas from the cylinders. This invention, by employing a dual-cylinder fully automatic switching pressure-stabilizing melt filter, enables filter replacement without stopping production, significantly improving production efficiency; the discharge of gas from the filter cylinders through the first and second exhaust valves ensures the normal operation of the corresponding filter cylinders before use and during switching, making it a crucial component for achieving stable filtration and smooth switching.

The invention relates to the technical field of carbon fiber production, in particular to a carbon fiber spinning pretreatment device which comprises a chassis, a filtering main body for filtering a carbon fiber raw material, a mounting device for positioning and mounting the filtering main body, and a feeding device for feeding the carbon fiber raw material into the filtering main body, a fixed shaft is fixedly connected to the central position of the base plate, and a top plate parallel to the base plate is fixedly connected to the outer side of the end, away from the base plate, of the fixed shaft. The material conveying pipeline can be communicated with the filtering main bodies, the carbon fiber raw materials are filtered twice under the action of the upper filtering main body and the lower filtering main body, the feeding device can be directly moved to other filtering main bodies, at the moment, the feeding device can continue to convey the materials, and continuous filtering of the carbon fiber raw materials is achieved.

The application discloses a filtering device for sealing and leak detection test fluorine oil, which comprises a flow director, a buffer oil storage tank and a filtering assembly connected in series; the filtering assembly comprises a filter core group, a differential pressure measurement assembly and an optical monitoring assembly; the differential pressure measurement assembly comprises a differential pressure sensor body and a pressure lead pipe; the differential pressure sensor body is connected in parallel to both ends of the filter core group through the pressure lead pipe; the filter core group comprises at least two filtering units connected in series; the optical monitoring assembly comprises a laser emitting unit, a transparent detection pipe and a photoelectric receiver; the transparent detection pipe is arranged between the two filtering units; the laser emitting unit and the photoelectric receiver are arranged on both sides of the transparent detection pipe; the laser emitting unit emits laser which passes through the transparent detection pipe and is received by the photoelectric receiver. The multi-stage filtering is more efficient; the differential pressure measurement assembly can indirectly monitor the filter core state; and the optical monitoring assembly can monitor the fluorine oil.

The utility model discloses efficient perch culture filtering equipment, which relates to the technical field of culture equipment and comprises a mounting box body, an efficient filtering unit and an impurity discharging unit, the efficient filtering unit comprises a water storage barrel, a water collecting pipe opening, a fine net film, an annular water tank, a turning and raising plate and an impeller. Aquaculture wastewater in the water storage cylinder can be in an active state through stirring and turning, water in a rotating state obtains impulsive force, when the aquaculture wastewater makes contact with the fine net film close to the side wall, fish manure and other fine sundries in the wastewater can be isolated outside, clear water enters the water collecting pipe opening, and the water collecting pipe opening is sealed. The device is further provided with an impurity discharge unit, and a PLC controls a motor and a waterproof motor to intermittently and alternately operate, so that circulating switching between the filtering state and the pollution discharge state of the device is achieved, and the device is high in practicability. Therefore, the culture wastewater in the fishpond can be stably filtered for a long time.

The utility model relates to the technical field of liquor production and filtration, in particular to a filter device for liquor production, which comprises a main body, a filter plate is fixedly connected inside the main body, a fixed mounting frame is fixedly sleeved at the bottom end of the outer side of the surface of the main body, and a fixed support column is fixedly connected at the bottom end of the fixed mounting frame. The device comprises a main body, the bottom end of the main body is fixedly connected with an output pipe, the top end of the main body is fixedly connected with a fixed cleaning mechanism, and the top end of the fixed cleaning mechanism is fixedly connected with an input pipe. And meanwhile, the surface of the filter plate can be cleaned under the action of the fixed cleaning mechanism in the filtering process, so that the filter plate can stably filter the white spirit, and the filter plate is prevented from being blocked.

The utility model discloses an irrigation equipment for vegetable cultivation, including channel, moving frame, water storage bin and shower nozzle, the moving frame is in sliding connection with the inner wall of channel, the water storage bin is fixedly installed on the top of the moving frame, the shower nozzle is communicated with the bottom of the water storage bin, the rear sides of both sides of the water storage bin are both fixedly connected with connecting blocks, and the connecting blocks are fixedly connected with the water storage bin. And the inner side of the connecting block is movably connected with a dismounting cover through a shaft pin. Through the arrangement of the fixing plate, the mounting groove, the mounting block, the filter screen and the dismounting assembly, the filter screen can be effectively placed in the mounting groove through the mounting block, the mounting block is fixed through the dismounting assembly, the filter screen can stably filter water flow, and the problems that the equipment is not provided with a filter structure, and the water flow cannot be stably filtered are solved. And when water is conveyed into the water storage bin through the water inlet, the conveyed water flow cannot be filtered, so that impurities and silt can block the spray head, and the reuse of the spray head is influenced.

The utility model relates to a sewage filter-pressing facility for a car washing platform. The sewage filter-pressing facility comprises a support frame, a rotary drum, a filter-pressing drum, a rotating mechanism, a pressing plate and a filtering mechanism, the rotary drum is connected with the support frame; a water inlet is formed in the upper part of the filter pressing cylinder, the filter pressing cylinder is detachably connected with the supporting frame, and the filter pressing cylinder is rotationally arranged on the rotating cylinder through a rotating mechanism; the pressing plate is arranged in the cylinder in a sliding manner; the filtering mechanism is detachably arranged at the top of the supporting frame and is positioned below the filter pressing cylinder. The utility model provides a filter pressing facility for efficiently filtering sewage.

This utility model discloses an electroplating tank filtration device, relating to the field of electroplating technology. It includes multiple pipes, each comprising an inlet pipe, an outlet pipe, a pressure relief pipe, and an impurity collection pipe. One end of each pipe is fixedly connected. A filter body is installed inside the outlet pipe, and a fine-tuning pressure-maintaining mechanism is located on the outside of the filter body. A coarse pressure-maintaining mechanism is installed inside the pressure relief pipe. This utility model, by combining the coarse and fine-tuning pressure-maintaining mechanisms, allows for significant pressure relief when the pressure is too high. The fine-tuning pressure-maintaining mechanism automatically adjusts the pressure through the pressure-maintaining chamber and components when the pressure changes, precisely maintaining the pressure in the outlet pipe, protecting the filter body, ensuring stable filtration of the electroplating solution, improving product quality, and thus meeting the needs of electroplating production.

The present invention relates to an air conditioning system. The air conditioning system of the present invention includes a first air handling device formed with a first discharge port opening toward a floor and a first suction port opening in a direction inclined from a direction in which the first discharge port opens, performing heat exchange on air flowing in through the first suction port and sending the air to the first discharge port, and a second air handling device formed with a second discharge port opening in a direction parallel to the first discharge port and a second suction port opening in a direction parallel to the first suction port, performing filtration on air flowing in through the second suction port and sending the air to the second discharge port, each of the first discharge port and the second discharge port extending in a left-right direction, and the first air handling device and the second air handling device being arranged in the left-right direction.

The utility model provides an active carbon filter for electroplating wastewater treatment, which relates to the technical field of filters and comprises a shell, the shell comprises an upper shell and a lower shell, a connecting mechanism is mounted between the upper shell and the lower shell, a placing cylinder is mounted in the upper shell and the lower shell in a clamping manner, and the upper shell and the lower shell are connected through a connecting mechanism. And a filter block is installed in the placing cylinder, and a liquid inlet pipe is installed at the upper end of the interior of the upper shell in a penetrating mode. When the filter block needs to be replaced, a user only needs to drive the positioning frame to move through the push block, so that the positioning frame is separated from the positioning block, then the upper shell and the lower shell can be opened by the user, and the user can take out the placing barrel and quickly replace the filter block in the placing barrel; the working difficulty of a user can be reduced, meanwhile, the replacement efficiency of the filter block is improved, and the upper end and the lower end of the containing cylinder are attached to the inner wall of the upper shell and the inner wall of the lower shell correspondingly, so that the situation of liquid leakage is avoided.

The utility model relates to the field of sewage treatment, and discloses a sewage treatment device and a control system thereof, the sewage treatment device comprises a treatment box, the top surface of the treatment box is provided with a water injection port, the two sides of the treatment box are respectively provided with a pulling hole, a mounting frame is inserted in the pulling holes in a sliding manner, and the mounting frame is connected with the water injection port. A first filter plate is fixed in the mounting frame, a second filter plate is fixed on the inner bottom surface of the treatment box, a communication port is formed in the inner bottom surface of the treatment box, two drainage holes are formed in the inner bottom surface of the treatment box, and a return pipe is fixedly communicated with the bottom surface of the treatment box; and the other end of the return pipe is fixedly communicated with one side of the treatment box, a water suction pump is arranged at one end of the return pipe, and two discharge pipes are fixedly communicated with the bottom surface of the treatment box. According to the sewage treatment device, sewage can be circularly filtered, so that the sewage is more comprehensively and cleanly filtered, the recycling of workers is facilitated, and water resources are saved.

The invention relates to the technical field of smoke treatment, and discloses a smoke treatment device for steel structure laser cutting, the smoke treatment device comprises a filter box and a cleaning box, the cleaning box is fixedly mounted on one side of the filter box, and two rectangular frame grooves which are symmetrical up and down are formed in the filter box; two rectangular frame grooves are formed in the cleaning box, one ends of the two rectangular frame grooves communicate with the interior of the cleaning box, rectangular moving frames capable of being movably adjusted are installed in the two rectangular frame grooves, two filter screens are installed in the two rectangular moving frames, a cleaning structure is installed in the middle of the interior of the cleaning box, and a drawer used for collecting particles is installed at the bottom of the interior of the cleaning box; the smoke dust treatment device has an alternating filtering structure and an automatic cleaning function, and the smoke dust treatment efficiency and quality of the device are effectively improved through alternating filtering and automatic cleaning.

The utility model discloses a cat litter basin, include: main casing, main casing is equipped with the sand basin and the collection of following distribution along the first direction the warehouse, plough, be located in the sand basin, plough drive arrangement, including two mounting brackets and movement drive component, two mounting brackets along the vertical direction interval and opposite of first direction be equipped with the two sides of main casing, and mounting bracket and main casing are in first direction sliding fit, and the both ends of plough are connected to two mounting brackets respectively, movement drive component includes mobile motor, two gear sets and the transmission shaft of setting perpendicularly first direction, two gear sets are equipped with respectively in two mounting brackets, and mobile motor is equipped with on one mounting bracket, and the motor shaft of mobile motor is connected one gear set and the one end of transmission shaft, and the other end of transmission shaft is connected another gear set, and the opposite two sides of main casing parallel first direction all are equipped with the rack of extending along first direction, and two racks are engaged with two gear sets respectively. The utility model technical scheme, has promoted the driving stability of plough drive arrangement to plough.

The invention provides waste heat recovery carbon dioxide cold and heat combined supply equipment which comprises a filtering tank and a recovery tank which are arranged on a base, an air inlet pipe arranged at the bottom end of the filtering tank, an exhaust pipe arranged at the bottom end of the recovery tank and a connecting pipe connecting the top end of the filtering tank and the top end of the recovery tank. The filtering mechanism comprises a filtering ring transversely arranged in the middle of a filtering channel in the filtering tank, a filtering plate arranged in an inner ring of the filtering ring, two cleaning discs which are symmetrically arranged in the filtering channel up and down relative to the filtering plate, and a control assembly which is arranged in the filtering channel and controls the end surfaces of the two cleaning discs to be tightly attached to the end surface of the filtering plate; the cleaning assembly is arranged on the cleaning disc and is used for cleaning dust on the end surface of the filter plate; dust in smoke can be conveniently filtered, and it is guaranteed that heat in the smoke can be continuously and normally recycled.

This utility model discloses a foundation pit drainage device for building construction, comprising: a deep foundation pit; a foundation pit pumping assembly mounted on the deep foundation pit, the foundation pit pumping assembly being used for pumping and draining water; and a sludge preliminary sedimentation and removal assembly mounted on one side of the foundation pit pumping assembly. The device performs secondary deep filtration of the water through a second filter plate to further remove residual impurities. A water level detector monitors the water level in real time to ensure stable filtration. The filtered water is discharged into a drainage ditch via a drainage pipe through a pump. If sludge is generated during filtration, a second sludge suction pipe transports it to a sludge pump for discharge. The advantages of this device are that the secondary filtration assembly further improves water quality, reduces impurities from clogging the drainage system, and improves drainage efficiency and quality. Simultaneously, the water level detector enables automated monitoring, improves the system's intelligence level, reduces manual intervention, and further optimizes the drainage effect.

The utility model discloses a filter device for manufacturing synthetic fibers, and relates to the technical field of filter devices for synthetic fibers. The device comprises a filter box, wherein a vibration mechanism and a feeding mechanism are arranged on the filter box; two trapezoidal sliding grooves are formed in the inner wall of the filter box, filter screens are slidably connected to the inner walls of the two trapezoidal sliding grooves, a filter residue outlet cover plate is hinged to the outer wall of the filter box, and a fiber discharging cover plate is hinged to the outer wall of the filter box; handles are fixedly connected to the outer wall of the filter residue outlet cover plate and the outer wall of the fiber discharging cover plate, and the vibration mechanism comprises a first vibration assembly and a second vibration assembly. By arranging the vibration mechanism, the problems that impurities are easily accumulated on the surface of the filter plate, blockage is caused, the filtering efficiency and flow are reduced, frequent shutdown cleaning is needed, uniform distribution of fibers cannot be ensured, the local filtering effect is good, and the filtering effect of other areas is poor are solved.

The invention relates to the technical field of drainage pipelines, and provides a filtering device for a drainage pipeline. The middle pipeline is installed at the end of the first pipeline, a second pipeline is installed at one end of the middle pipeline, a first flange plate is fixedly connected to the outer wall of the middle pipeline, and a second flange plate is fixedly connected to the outer wall of the first pipeline and the outer wall of the second pipeline; the auxiliary butt joint mechanism is located between the first flange plate and the second flange plate and used for assisting butt joint of the first pipeline and the middle pipeline; and the switching circulation device is positioned in the middle pipeline. By arranging the switching circulation device, after one conical filter cartridge in the middle pipeline is blocked, the other conical filter cartridge can be actively switched for use, so that the equipment can be continuously used, the use smoothness of the equipment is ensured, and the overall practicability of the equipment is improved.

The utility model belongs to the technical field of waste treatment and discloses a comprehensive hazardous waste treatment device which comprises an incineration box, a filter box is fixedly installed on one side of the top of the incineration box, and a primary filter screen, a secondary filter screen and an activated carbon adsorption layer are sequentially and fixedly installed at the top end of the side, communicated with the interior of the incineration box, of the filter box. A primary filter screen, a secondary filter screen and an activated carbon adsorption layer are arranged on one side of the top of the incineration box, a precipitation tank is arranged at the bottom end of the other side of the interior of the filter box, one side of the upper portion of the activated carbon adsorption layer extends to the position below the liquid level of the precipitation tank through an air guide pipe, and an exhaust port is formed in one side of the top of the filter box. According to the flue gas treatment device disclosed by the utility model, harmful substances in flue gas are sequentially filtered and adsorbed, larger particulate matters in the flue gas are removed, the flue gas is introduced into the precipitation tank for precipitation, and unremoved impurities are precipitated in the precipitation tank, so that the purpose of deep filtration is achieved, and water-soluble harmful gas can be dissolved in water to reduce the pollution of the flue gas.

This utility model relates to the technical field of paint production equipment, specifically a paint production defoaming device, including a tank. An inner cover for sealing is bolted to the inner side of the tank, and a protective tank cover is bolted to the top surface of the tank. A supporting ring tube is mounted at the air outlet of the inner cover, and a supporting ring frame is bolted to the inner side of the ring tube. A turbine fan for air extraction is mounted on the outer periphery of the ring frame. During the use of the defoaming device for paint production, the turbine fan on the ring frame in the ring tube on the inner cover surface operates. The turbine fan facilitates the extraction of odors generated during paint defoaming between the tank and the inner cover through the air outlet on the inner cover. This allows the odors to be drawn out and guided, reducing the impact of odor accumulation or random flow inside the tank, thereby enabling more stable defoaming of the paint.

The utility model discloses a filtering device for sintered colored sand production, which comprises a bottom plate, a screen frame is arranged above the bottom plate, a first screen mesh, a second screen mesh and a third screen mesh are sequentially and fixedly mounted in the screen frame, screen holes of the first screen mesh, the second screen mesh and the third screen mesh are different, three funnels are fixedly mounted on the bottom side of the screen frame, and the bottom side of the screen frame is provided with a filter screen. Three funnels are located below the first screen mesh, the second screen mesh and the third screen mesh correspondingly, the first screen mesh, the second screen mesh and the third screen mesh are arranged, the screen meshes of the screen meshes are different, three kinds of sintered colored sand different in size can be classified in one-time operation, a motor drives a beating plate to beat a screen frame, the screen frame is made to fully shake in cooperation with a first spring and a second spring, and therefore the sintered colored sand can be screened out through the first screen mesh, the second screen mesh and the third screen mesh. Compared with a traditional single-screen device, the multi-screen device has the advantages that the screens do not need to be replaced frequently, the production efficiency is greatly improved, continuous and efficient work can be achieved, the production progress is greatly promoted, the time and labor cost is reduced, and the requirements of the market for sintered color sand of various particle sizes are met.

The application discloses an automatic backwashing sewage filter for water supply and drainage and relates to the technical field of sewage filters. The automatic backwashing sewage filter comprises support legs, support shells fixedly connected to the support legs, top covers fixedly connected to the support shells, first sliding plates sealingly and slidingly connected to lower portions of the support shells, connecting shells rotationally connected to the first sliding plates, first filter members installed in the connecting shells, connecting rings slidingly connected to the fixed shells, second filter members installed in the connecting rings and first push rods fixedly connected between the support shells and the first sliding plates. The automatic backwashing sewage filter adjusts the positions of the first sliding plates and the first filter members by means of the two first push rods, so that sewage can pass through the second filter members when the filtering efficiency of the first filter members is reduced, the pressure of the sewage in the first filter members and the second filter members is reduced, and the first filter members and the second filter members are prevented from being deformed due to excessively high sewage pressure in the first filter members and the second filter members.

The utility model discloses a device for separating metal substances in waste water, which relates to the technical field of waste water treatment and comprises a filter tank, a through cavity is arranged on the right side of the surface of the filter tank, a baffle is inserted into the through cavity, and locking pieces are arranged at four corners of the surface of the baffle. Butt joint blocks are fixedly mounted at the positions, corresponding to the locking pieces, of the periphery of the through cavity on the right side of the outer surface of the filter box, positioning grooves are formed in the middles of the sides, close to the through cavity, of the surfaces of the butt joint blocks, and a water inlet connector is fixedly arranged at the upper end of the filter box. Compared with an existing common device for separating metal substances in waste water, the device for separating metal substances in waste water has the advantages that the water inlet connector and the water drainage connector can be directly assembled at the middle section position of any pipeline for use, so that the device is more convenient to use and better in practicability and use convenience; and the baffle and the whole filter assembly can be replaced at any time, so that the practicability of the device and the stability and firmness of installation and use of the filter assembly are greatly improved.

The utility model discloses a building coating processing impurity filtering device which comprises a clamping seat and a pressing seat arranged above the clamping seat, one end of the pressing seat is hinged to the clamping seat, the other end of the pressing seat is detachably connected through a buckle assembly, an opening is formed in the center of the clamping seat, a filter screen frame is arranged in the opening, and a filter screen is arranged in the filter screen frame. According to the building coating filtering device, the connecting frame drives the clamping plate to horizontally move in the sliding groove, so that the position of the clamping plate can be adjusted according to the diameter of a coating barrel, the clamping plate can be clamped in the sliding groove, the clamping plate can be clamped in the sliding groove, and the clamping plate can be clamped in the sliding groove. The device can be fixed above coating barrels of different sizes through the clamping plates, the universality of the device is improved, the application range of the device is widened, the V-shaped grooves are formed in the clamping faces of the clamping plates, the device can be better attached to the outer walls of the coating barrels, the friction force between the device and the coating barrels is increased, the device is more stable in the filtering process, and the situation of shaking or shifting is avoided.