65 results about "Sediment Filter" patented technology

The invention discloses a red sandstone foundation pit drainage structure and a construction method thereof, and relates to the technical field of foundation pit drainage, the red sandstone foundation pit drainage structure comprises a buoyancy assembly, a water suction pump, an electromagnetic three-way valve and two sediment filtering assemblies, and the two sediment filtering assemblies are controlled by the electromagnetic three-way valve to alternately work; the silt filtering assembly in a working state is used for filtering silt, and the silt filtering assembly in an idle state is used for precipitating and collecting the intercepted silt. Alternate work of the two sediment filtering assemblies is achieved through the electromagnetic three-way valve, drainage continuity is guaranteed, the idle time of the sediment filtering assemblies is effectively utilized for sediment collection, and the situation that efficiency is reduced due to frequent cleaning of a traditional single filtering system is avoided; and the cleaned silt is independently collected, and does not enter the raw water body to cause the increase of the silt concentration and influence the subsequent drainage.

The utility model relates to a sediment filtering and settling water tank and relates to the field of settling water tanks. The device comprises a deflection assembly arranged in an inner cavity of the precipitation water tank, the deflection assembly comprises a supporting groove fixedly connected to the left side of the inner cavity of the precipitation water tank through bolts, an inner cavity of the supporting groove is rotationally connected with a connecting rod, and the surfaces of the front end and the rear end of the connecting rod are fixedly connected with first sector gears. A second motor is started to drive a rotating rod and stirring blades to turn and stir the bottom of an inner cavity of a precipitation water tank, so that precipitates at the bottom of the inner cavity of the precipitation water tank are loosened, meanwhile, a first motor is started to drive a connecting rod to deflect in an inner cavity of a supporting groove, and then a first sector gear drives a second sector gear to deflect; the inclined partition plate is driven to deflect upwards, so that the left side of the inclined partition plate is attached to the right side of the inclined edge plate, sediment at the bottom of the inner cavity of the sediment water tank can be discharged more smoothly, and meanwhile it can be guaranteed that clean water is not polluted.

The invention discloses a deep-sea parallel microorganism in-situ pressure-maintaining filtering device and method. The deep-sea parallel microorganism in-situ pressure-maintaining filtering device comprises a reversing module, a liquid pumping monitoring module and at least one acquisition monitoring module, the reversing module comprises a silt filter, an RNAlater flexible bag and an electromagnetic reversing valve; the liquid pumping monitoring module comprises a first three-way connector, a differential pressure sensor, a pump, an overflow valve and a turbine flowmeter. In the acquisition monitoring module, an inlet of a one-way valve is connected with an outlet of a turbine flowmeter, and an outlet of the one-way valve is connected with an inlet of an intermediate plate on the side surface of the microbial filter through a first stop valve; the microbial filter is provided with a pressure sensor and a piston pressure supplementing device; the inlet end of the piston pressure supplementing device is connected with a second stop valve; bottom and top outlets of the microbial filter are connected with a second three-way connector, and the other end of the second three-way connector is connected with an electromagnetic one-way valve through a third stop valve. By utilizing the method, genetic materials and cell structures of microorganisms can be prevented from being damaged to the maximum extent in the recycling and transferring process.

The invention discloses a coal mine goaf multi-source waste synergistic mineralization filling and gas-liquid waste self-purification method. The method comprises the following steps of goaf exploration and comprehensive evaluation; treating and transforming the goaf; preparing an artificial multifunctional argillaceous slurry; artificial multifunctional argillaceous slurry is injected into the goaf, an artificial argillaceous sediment filter element is formed in the goaf, and initial diagenesis is conducted in the gelling reaction process; a waste modified culture medium containing functional microorganism liquid is injected into the goaf, and gas waste is injected into the goaf; stable supporting of the goaf is achieved through artificial mudstone, and goaf filling is completed. According to the method, resource utilization of the coal-based waste and efficient and green support of the coal mine goaf are achieved, formation of a mode of coal development-conversion utilization-returning of the waste to underground artificial mudstone-goaf support waste-free development and utilization is assisted, and a new thought is provided for coal-based waste disposal and coal mine goaf filling; and a support is provided for a near-zero-carbon energy development and utilization technology system in the coal field.

The utility model relates to a multifunctional water purifier which comprises a water storage tank, a right filter is arranged at the left end of the water storage tank, a water inlet pipe which penetrates through the filter and is fixedly connected with a penetrating part is arranged on the left side face of the filter, and a square communicating pipe which penetrates through the filter and is fixedly connected with the penetrating part is arranged on the right side face of the filter. A square communicating pipe penetrates through the water storage tank and is fixedly connected with the penetrating part, one end of the square communicating pipe is fixedly connected with a filter screen, a discharging pipe penetrating through the filter and fixedly connected with the penetrating part is arranged at the lower end of the filter, a valve is arranged on the surface of the discharging pipe, and a cleaning mechanism is arranged on the right side in the filter. The front end face of the water storage tank is fixedly connected with a controller. According to the multifunctional water purifier disclosed by the utility model, filtered granular impurities such as silt can be conveniently cleaned by a subsequent worker, the filter screen does not need to be disassembled, and the multifunctional water purifier is relatively practical.

The utility model belongs to the technical field of chemical equipment, and discloses an N-methyl pyrrolidone purification filter which comprises a filter box, a liquid inlet is formed in the top end of the filter box, a liquid outlet is formed in the bottom end of the filter box, a primary filter screen is arranged in the filter box, a sediment filter screen matched with the primary filter screen is further arranged in the filter box, and the sediment filter screen is of a groove structure. A scraping plate perpendicular to the primary filter screen is arranged on the primary filter screen, the scraping plate is connected with a sliding rod, and the sliding rod is perpendicular to the scraping plate; the sliding rod is connected with a driving mechanism; according to the utility model, the filter screen can be automatically cleaned, and the filter screen can be cleaned according to the discharge amount of filtrate.

The utility model discloses an advanced treatment device for printing and dyeing wastewater, which comprises a coagulation treater, a sediment filter tank is arranged at the output end of the coagulation treater, a centrifugal separator is connected to the tail end of the sediment filter tank, an activated carbon filter tank is arranged at the tail end of the centrifugal separator, and a water outlet is formed in the tail end of the activated carbon filter tank. The tail end of the activated carbon filter box is connected with an ultrafiltration membrane filter, and the tail end of the ultrafiltration membrane filter is connected with a reverse osmosis membrane filter; according to the utility model, the procedures of coagulating sedimentation, precipitate separation, centrifugal separation of suspended particles, activated carbon filtration of fine substances, ultrafiltration membrane filtration and reverse osmosis filtration during sewage treatment can be realized in sequence, and the treatment effect on printing and dyeing sewage is good.

A disaster relief device is provided that integrates power generation, water purification, and communications into a single portable housing. The device includes a water treatment system having reusable pre-filters, multi-stage sediment filters, a reverse osmosis unit, and a UV sterilizer, together with a clean water storage tank mounted on a drawer for field servicing. An electrical subsystem incorporates a lithium iron phosphate battery pack in a fire-resistant enclosure, a charge controller, and a pure sine wave inverter. A hybrid solar array, including hinged and slide-out panels, provides rapid renewable power deployment, with guided cable carriers ensuring reliability. The housing is sealed to an IP66 rating, reinforced to function as a Faraday cage, and configured for transport with folding handles and airless wheels. Optional features include an integrated rainwater harvesting system, modular interconnection of multiple units for scaling capacity, and a satellite communications bracket for emergency connectivity.

The invention relates to the technical field of filtering equipment, in particular to a tea oil sediment filtering machine which comprises a sediment box, the bottom of the sediment box is connected with a pressurizing output device, the pressurizing output device is connected with a power device and a filtering device, the filtering device comprises a cooling box, the cooling box is connected with a refrigerating device, and a main body is installed in the cooling box. A filtering assembly, a tea oil filtering channel and a sediment removing channel are arranged in the main body, the sediment removing channel is connected with a hot air input device and a sediment recycling device, and the tea oil filtering channel is connected with a tea oil input pipe and a tea oil output pipe. According to the tea oil filtering device, the problem that precipitates are generated in the tea oil storage link is effectively solved, wax precipitates can be further separated out in a low-temperature environment, the filtering effect of continuous operation of the filtering assembly is ensured, and efficient, accurate, low-consumption and energy-saving filtering of the tea oil precipitates is achieved.

The present invention relates to the technical field of slope rainwater collection, and discloses a slope rainwater collection and irrigation system for landscaping projects, comprising a water collection end, a water storage tank, and an irrigation end. The water collection end comprises a water inlet assembly installed on the slope, the water inlet assembly being provided with a sediment filter, and a plurality of water inlet assemblies being connected to the water storage tank via a drainage channel. The irrigation end comprises a water pump, which is connected to the water storage tank via a water inlet pipe. A water spray pipe is connected to the water outlet of the water pump, the water spray pipe extends out of the slope, the water spray pipe is located at the upper end of the slope, and a water spray head is installed at the top of the water spray pipe. Rainwater in the present invention is an important source of water resources for hillside slopes and can replenish soil moisture and groundwater resources. By collecting rainwater left on the hillside during the rainy season, the collected rainwater is used to irrigate vegetation on the hillside during the dry season, thereby ensuring that the vegetation on the hillside can obtain sufficient water during the dry season to ensure growth, while reducing the use of municipal water supply or groundwater.

The invention discloses a vertical rapid water purifying device and a water purifying method thereof, and belongs to the technical field of water purifying devices.The vertical rapid water purifying device comprises an outer cylinder, the top end and the bottom end of the outer cylinder are both connected with end covers in a sealed mode, an inner cylinder is coaxially arranged in the outer cylinder, and a sediment filtering area is formed between the inner cylinder and the outer cylinder; a stirring assembly is arranged in the inner cylinder and comprises a spiral stirrer located in the inner cylinder and a driving motor located at the top of the outer cylinder, and the driving motor drives the spiral stirrer to rotate; an inverted-cone-shaped flow guide plate is installed at an outlet in the bottom of the inner cylinder, and a gap is reserved between the flow guide plate and the inner cylinder; a filtering assembly is arranged in the precipitation filtering area, the filtering assembly comprises a support installed on the flange of the inner cavity of the inner cylinder, a net bag placed on the support and a compressed filtering material filled in the net bag, and an annular porous pressing plate is arranged above the net bag. The invention provides the vertical rapid water purifying device which can adjust the filtering precision and has an active mud cleaning function.

The invention discloses a courtyard type crab, vegetable and shellfish three-dimensional symbiotic culture device and method based on a tidal system, and relates to the technical field of aquaculture and agricultural ecology. The courtyard type crab, vegetable and shellfish three-dimensional symbiotic culture device comprises a culture pond internally provided with a plurality of crab and vegetable culture frames, and a bottom filter located below the culture pond; the crab vegetable breeding frame comprises a crab hole frame and a vegetable planter fixed above the crab hole frame, and a replaceable crab hole device is arranged in the crab hole frame; the bottom filter tank is divided into a shellfish culture area, a sediment filtering area, an algae culture area and a water pump area which are sequentially communicated through a plurality of partition plates, a plurality of shellfish culture frames are arranged in the shellfish culture area, the output end of water pumping equipment in the water pump area is communicated with the culture pond through a water inlet pipe, and the culture pond is communicated with the shellfish culture area through a water drainage pipe. The orifice of the drain pipe in the culture pond is lower than the highest point of the drain pipe; and the drain flow of the drain pipe is greater than the water inlet flow of the water inlet pipe. The method comprises the step of culturing corresponding culture objects in each area. The method adapts to courtyard scenes, is low in cost and low in emission, and has certain ornamental value.

The neodymium iron boron waste sediment filtering device comprises a separation box and a discharging box elastically connected to the upper portion of the separation box, the top of the discharging box is connected with a feeding hopper, and a sieve plate is arranged between the feeding hopper and the discharging box; an elastic connecting assembly is arranged between the separating box and the discharging box and comprises a connecting plate, a first supporting plate and a first spring connected between the connecting plate and the first supporting plate, the connecting plate is fixedly installed at the four corners of the bottom face of the discharging box, and a separating assembly is arranged in the separating box; the separation assembly comprises a material pushing rod and a separation partition plate, the separation partition plate is of a magnetic plate structure, the material pushing rod is attached to the surface of the separation partition plate, the material pushing rod reciprocates on the upper surface of the separation partition plate through the driving assembly, and neodymium iron boron waste is extruded through the material pushing rod and the separation partition plate and then is separated from the separation partition plate. And the neodymium iron boron falls into the separation box through separation holes formed in the separation partition plate, so that neodymium iron boron in the waste is adsorbed to the surface of the separation partition plate after being separated and is filtered out.

The invention relates to the technical field of slope rainwater collection, and discloses a landscaping engineering slope rainwater collection and irrigation system which comprises a water collection end, a water storage pond and an irrigation end, the water collection end comprises water inlet assemblies installed on a slope, sediment filtering parts are arranged in the water inlet assemblies, and the multiple water inlet assemblies communicate with the water storage pond through drainage channels; the water pump is communicated with the water storage pond through a water inlet pipe, a water outlet of the water pump is connected with a water spraying pipe, the water spraying pipe extends out of the slope and is located at the upper end of the slope, and a water spraying head is installed at the top end of the water spraying pipe. Rainwater is an important source of water resources on the slope surface of the hillside, soil moisture and underground water resources can be supplemented, rainwater left on the hillside in the rainy season is collected, vegetation on the hillside is irrigated through the collected rainwater in the dry season, and therefore it is guaranteed that the vegetation on the hillside can obtain sufficient moisture in the dry season, growth is guaranteed, and the hillside is protected. Meanwhile, the use of municipal water supply or underground water is reduced.

The utility model discloses a sewage sediment filter, which relates to the technical field of sewage sediment filtration, and comprises a main body, the inner side of the main body is provided with a filter cartridge, the middle part of the outer wall of the filter cartridge is connected with a second tooth block, the middle part of the inner wall of the main body is provided with a fixed plate, and the inner side of the fixed plate is provided with a first tooth block; and the first tooth block is in contact with the second tooth block. According to the utility model, through the arrangement of the filter cartridge, the rotating shaft, the fixed plate, the fixed ring and the like, when the filter cartridge filters silt in sewage for a long time, the rotating shaft can be reversely rotated to drive the stirring rod and the brush rod to rotate, so that the inner wall of the filter cartridge and meshes blocked by the silt can be conveniently brushed away; and similarly, when sewage needs to be discharged after being filtered, a brush rod can scrape silt, so that the silt can be conveniently and quickly discharged through a discharge pipe, and the overall working progress of the device is effectively accelerated.

The utility model relates to the technical field of silt filtering devices, in particular to a silt filtering device for a water conservancy project. The device comprises a filtering tank, the lower end of the filtering tank is fixedly connected with a sand storage tank, the lower end of the sand storage tank is fixedly connected with a mounting frame, the arc surface of the sand storage tank is fixedly connected with a sand discharge pipe, the arc surface of the sand discharge pipe is provided with a valve, the arc surface of the filtering tank is fixedly connected with a water inlet, and the water inlet is provided with a water outlet. A mounting pipe is fixedly connected to the upper end of the filtering tank, a connecting pipe is fixedly connected to the upper end of the mounting pipe, a convenient-to-replace assembly is arranged on the arc surface of the connecting pipe, and an anti-blocking assembly is arranged, so that when a filter screen needs to be prevented from being blocked, a rotating rod is rotated through a driving mechanism, and bristles on a sliding plate are rotated; and the bristles rotate on the filter screen and enter the filter screen to poke out blocked silt, so that the effect of preventing the filter screen from being blocked to influence the filtering efficiency of the filter screen is achieved as far as possible.

The utility model discloses a film manufacturing rinsing bath and an underwater guide roller cleaning device thereof, and relates to the technical field of plastic processing machinery. The underwater guide roller cleaning device comprises a roller surface sediment removing unit and a sediment filtering unit, the roller surface sediment removing unit comprises a scraping and sweeping piece and a sweeping and wiping piece, and the sweeping and wiping piece is located behind the scraping and sweeping piece. One end of the scraping and sweeping piece is close to the surface of the guide roller, and the surface of the scraping and sweeping piece is in close contact with the surface of the guide roller; the sediment filtering unit is arranged on one side of the guide roller and located behind the scraping and sweeping piece. The cleaning device is simple in structure, convenient to operate and capable of effectively avoiding damage to the surface of a film caused by accumulation of sediments of the underwater guide roller of the rinsing bath during film manufacturing, film quality is improved, shutdown cleaning is avoided, and production efficiency is improved.

A filter assembly includes an inlet end, a sediment filter having a sediment filter surface facing the inlet end and cylindrical filters. The sediment filter surface is orthogonal to each cylindrical filter surface. A first channel and a second channel may fluidly connect the sediment filter to the more cylindrical filters. The first channel can have a central axis that is orthogonal to a central axis to the more than one cylindrical filter. A central axis of the second channel may be in a direction along the length of the more than one cylindrical filter.

The utility model relates to the technical field of water conservancy projects, and discloses a sediment filtering device for water conservancy facilities, which comprises a sediment filtering device and a sediment filtering plate, a feed pipe penetrates through the sediment filtering device and is fixedly connected with the feed pipe, a control assembly is arranged in the sediment filtering device, and the control assembly comprises an L-shaped rod, a triangular block, a supporting rod and a knocking piece. The knocking piece comprises a sliding rod, the sliding rod is fixedly installed on the surface of the supporting rod, and a pressing rod is fixedly installed on the surface of the sliding rod. According to the sediment filtering device for the water conservancy facility, by arranging the control assembly, when the output shaft of the motor drives the sediment filtering plate to rotate to a certain angle, rotation is stopped, and the sediment filtering plate is driven to rotate to a certain angle; when the sand filtering device works, the silt accumulated on the sand filtering plate loses balance and slides to the surface of the guide plate under the action of gravity, the guide plate guides the sliding silt out of the sand filtering device, and the situation that the silt is accumulated on the surface of the sand filtering plate, and subsequent sand filtering work is affected is avoided.

The utility model discloses a water conservancy pipe orifice sediment filtering structure which comprises a fixing sleeve seat arranged on the surface of a water conservancy pipeline in a sleeving mode, the fixing sleeve seat is fixedly connected with the water conservancy pipeline, a filtering plate is arranged on the surface of a pipe orifice of the water conservancy pipeline, and the filtering plate is located in an inner cavity of the fixing sleeve seat. A plurality of circular filtering holes are formed in the surface of the filtering plate, and a notch is formed in the surface of the filtering plate. By starting the waterproof air cylinder, the output end of the waterproof air cylinder drives the fixing block to move forwards, the fixing block drives the fixing plate to move forwards through the connecting plate, the fixing plate drives the movable rod to move forwards, the movable rod drives the ejector pins on the surface of the movable plate to move towards the filtering holes, and the ejector pins penetrate through the filtering holes; and then the ejector pin ejects out the silt in the inner cavity of the filtering hole, so that most of the silt in the filtering hole can be ejected out for cleaning, and the aim of effectively reducing the blocking risk of the filtering hole is further achieved.

The utility model discloses a precipitate filtering and washing device for high purity molybdenum trioxide production, which comprises a treatment tank, a fixed shaft is arranged in the center of the lower part of the treatment tank, a rotary drum is arranged at the top of the fixed shaft, a rotary support member is arranged between the upper end edge of the rotary drum and the inner wall of the treatment tank, and a water permeable hole is formed in the side wall of the rotary drum. The utility model relates to the technical field of molybdenum trioxide production, low-temperature pure water for cleaning is injected into the filter screen cylinder through the water injection pipe, under the stirring action, the contact frequency and the contact area between precipitates and the pure water are increased, the water washing working speed is improved, and after cleaning is carried out for a certain period of time, the precipitates are separated from the filter screen cylinder. And a driving control mechanism at the lower part of the treatment tank is started to perform rotation control on the fixed shaft, so that rotation control on the rotary drum and the filter screen drum is realized, liquid in the filter screen drum is thrown out under the action of centrifugal force, and a drain valve is opened to drain water.

The application discloses a ship sediment filtering system, which comprises a sea gate, a filtering device and a water pump, the sea gate comprises an input port and an output port, the input port is provided with a coarse filter grid, the inner bottom of the sea gate is provided with an inclined sedimentation plate which is inclined to the input port, the inner top of the sea gate is provided with a downwardly extending spoiler, the input end of the filtering device is connected with the output port, the input end of the filtering device is provided with a first water inlet valve, the filtering device is provided with a filter layer, the input end of the filtering device is communicated with the output end of the filtering device through the filter layer, the output end of the filtering device is provided with a first water outlet valve, the input end of the water pump is connected with the output end of the filtering device, and the output end of the water pump is connected with a ship water equipment. The application can filter the sediment in turbid seawater, deliver clean seawater to the ship water equipment, thereby guaranteeing the equipment reliability, and has high filtering efficiency. The application also provides a ship sediment filtering method.

This invention relates to the field of seawater system technology and discloses a ship seawater supply system, comprising: a hull structure, a seawater tank, a water intake tank, a seawater pipe, an air injection pipe, and a venting pipe; the seawater tank is located on the hull structure, with an opening at the bottom and a first filter screen at the opening, and a through hole at the top of the seawater tank; the water intake tank is located above the seawater tank, with a water inlet at the bottom of the water intake tank, the water inlet communicating with the through hole, and a second filter screen being provided in the through hole and / or the water inlet; the water intake tank also has a water supply inlet, an air inlet, and a venting hole; one end of the seawater pipe passes through the water supply inlet and extends below the water surface of the water intake tank; the seawater pipe has a sediment filter and an exhaust structure; one end of the air injection pipe passes through the air inlet and extends below the water surface of the water intake tank; one end of the venting pipe is connected to the venting hole and is located above the water surface of the water intake tank. Through two-stage filtration, air flotation cleaning, and air and exhaust treatment, problems such as sediment abrasion and blockage, as well as impeller cavitation, can be avoided.

The combined flowerpot comprises a box body, the bottom of the box body is fixedly connected with a fixing column, the outer side wall of the fixing column is fixedly connected with filter plates, the filter plates are distributed in a rectangular array mode, filter screens are arranged in the filter plates, limiting holes are formed in the bottom of the inner side wall of the box body, and the limiting holes are communicated with the fixing column. A basin body is arranged in the box body, positioning holes are formed in the periphery of the basin body, the basin body is slidably connected to the outer side wall of the fixing column, the basin body is movably connected to the top of the filter plate, a first limiting groove is formed in the basin body, and a fixing groove is formed in the top of the basin body. In the actual use process, when a flowerpot or soil of the device needs to be replaced, the device can be replaced only by taking the spray head out of the fixing groove, the filter plate can filter silt carried out by water, the silt filtered out from the surface of the filter plate can be recycled, and the two ends of the spray head can spray water, so that the convenience of the device is improved.

The utility model relates to the technical field of silt filters, in particular to a water conservancy conveying pipe silt filter which comprises a filtering tank, a partition plate, a sewage collecting pipe, supporting legs, a fixing structure and a filtering structure. The inner wall of the right side of the filtering tank is fixedly connected with a water inlet pipe, and the inner wall of the left side of the filtering tank is fixedly connected with a water drainage pipe; the bottom of the filtering tank is connected with a partition plate through a fixing structure, the bottom of the partition plate is fixedly connected with a sewage collecting pipe, the bottom of the sewage collecting pipe is fixedly connected with four supporting legs, and a filtering structure is installed in the filtering tank. The filter screen is provided with the fixing structure, the filter screen can be cleaned or replaced through the fixing bolts, and the filter screen is convenient to use. The filter structure is arranged, through the filter structure, the rotating roller and the blades can be driven through the impact force of water or the motor, time and labor are saved, and gravel is filtered through the filter screen and falls into the dirt collecting pipe along the filter screen to be collected.

The utility model is suitable for the technical field of electrogalvanizing, and provides an electrogalvanizing pretreatment device which comprises a cleaning pool and a conveying belt, hanging plates are installed on the lower side of the conveying belt in the horizontal direction at equal intervals, the outer sides of the hanging plates are sleeved with sleeve plates, the sleeve plates are slidably connected with the hanging plates in a sleeved mode, the bottom of each sleeve plate is connected with a containing frame, and a positioning mechanism is installed at the bottom of each hanging plate. According to the electrogalvanizing pretreatment device provided by the utility model, the conveying belt is matched with the guide plate for use, so that the pre-cleaning process of the workpiece can be automatically completed without manual intervention, the treatment efficiency is improved, the cleaned workpiece can be stably conveyed through the positioning mechanism, and the work efficiency is improved. Cyclic utilization of cleaning liquid can be achieved through the sewage suction pump and the backflow groove, the filter plate is installed at the top of the backflow groove, and sediment filtered out by the filter plate can be reserved at the bottom of the backflow groove and cannot be accumulated on the surface of the filter plate to cause blockage.

The sediment separation equipment comprises a separation box, a telescopic air cylinder is assembled in the separation box, the telescopic end of the telescopic air cylinder vertically extends downwards and is fixedly provided with a piston block matched with the separation box, a frame body is detachably installed below the piston block, the inner diameter of the frame body is in a funnel shape, and a filter plate is arranged in the frame body. According to the vehicle urea filtering device, after the telescopic air cylinder drives the piston block to descend, air in the separation box can be compressed, so that the pressure intensity is increased to apply pressure to vehicle urea, the vehicle urea can be quickly filtered through the filtering plate, the filtering rate is improved, precipitates filtered by the filtering plate can be left in the frame body, and the frame body can be cleaned after being detached.

The utility model relates to the field of sewage treatment, in particular to a silt filter for sewage water body pollution. The utility model discloses a silt filter for sewage water pollution. The silt filter comprises a supporting bottom plate, a filtering assembly, a mixing assembly, a circulating assembly and an adjusting assembly, by arranging the filtering assembly, silt of different sizes can be filtered step by step, sewage can be conveniently stirred by stirring blades through the mixing assembly, the mobility can be improved, the filtering efficiency can be improved, filtered water is pumped out through the circulating assembly and sent to the upper end of the fixed box body for secondary filtering, and then the water is adjusted through the adjusting assembly. External containers can be conveniently placed at the lower ends of different liquid outlet pipes, and water bodies in different filtering stages can be collected.

The utility model belongs to the technical field of precipitation filters, and particularly relates to an anti-precipitation mechanism for filtering equipment, which comprises a workbench, the top end of the workbench is fixedly connected with a container; the top end of the workbench is fixedly connected with a pair of supporting frames. The top end of the supporting frame is slidably connected with a sliding base. The top end of the sliding seat is fixedly connected with a motor; a plurality of groups of grooves are formed in the top end of the support frame; the groove and the sliding seat are correspondingly arranged; the bottom end of the sliding seat is fixedly connected with an electric push rod; the bottom end of the electric push rod is fixedly connected with a spring; the bottom end of the spring is fixedly connected with a scraper; a discharging opening is fixedly connected to the side wall of the workbench; through the structure, the scraper can be driven by the sliding seat to move, sediments in the container are hung out through the scraper, the bottom of the container is kept clean, abrasion to the bottom of the container caused by too large friction force between the scraper and the bottom of the container is reduced, and the inconvenience that the sediments in the container are difficult to remove is reduced.