4664results about "Moving filtering element filters" patented technology

The invention relates to the technical field of filtering devices, in particular to an ultrafine particle filtering device with an automatic deslagging function, which comprises a filtering tank and an internal conical filtering cylinder, the upper end of the filtering cylinder is connected with a liquid inlet pipe, the lower end of the filtering cylinder is communicated with a deslagging pipe, a rotating rod is arranged in the filtering cylinder, and a flow guide wheel is fixed at the top of the rotating rod; when liquid flows in, the flow guide wheel is driven to rotate, the rotating rod is driven to rotate, a first reciprocating spiral guide groove is formed in the outer wall of the rotating rod, and the flow pushing plate moves up and down along the guide groove to push the liquid to turn over, accelerate liquid drainage and avoid particle deposition. An eccentric wheel periodically pushes the lower end of the filter cartridge under the action of a limiting spring seat, a ball head and a limiting plate, so that the filter cartridge generates self-adaptive shaking, filter hole blockage is reduced, the lower end of a rotating rod drives an ejector rod to eject an overturning plate through a second reciprocating spiral guide groove, and deposited impurities are automatically discharged through a slag discharging pipe. According to the device, coordinated actions of plug flow disturbance, shaking and automatic deslagging can be realized by utilizing liquid flow, the filtering efficiency is remarkably improved, and manual cleaning is reduced.

The invention relates to the field of waste plastic recycling, and discloses plastic film recycling equipment which is used for cleaning and recycling broken plastic films. Comprising a cleaning pool, an inclined conveying belt is arranged at the tail end of the cleaning pool, water filtering holes are formed in the conveying belt, and an extrusion component is arranged on the conveying belt; and the fished-out fragments are extruded by the extrusion part, so that the drainage speed of the fragments is accelerated, and the subsequent recovery processing step is ensured to be smoothly carried out. A traditional conveying belt drains water only by means of gravity, and water in wet plastic fragments and between layers is difficult to effectively discharge, so that the water yield is large. The intermittent extrusion action is introduced in the operation cycle of the conveying belt, and the'wet cake 'structure formed by the surface tension of a water film of the wet material is destroyed in the squeezing process, so that the moisture is easier to release, the initial moisture content of the material is greatly reduced, the load of subsequent centrifugal dewatering or hot air drying equipment is effectively reduced, and the energy consumption and the operation cost are remarkably reduced.

The invention discloses sewage treatment and purification equipment, which relates to the technical field of sewage treatment and comprises a treatment tank and a purification mechanism, the purification mechanism comprises a mixing structure, a filtering structure, a purification structure, a blow-off pipe and a plugging structure; the filtering seat and the cleaning structure are matched to filter impurities in the sewage, and the purifying structure can purify and filter the sewage added with a purifying agent; a filtering structure, a fan-shaped moving plate, a connecting ring, a limiting ring, a limiting rod, a first rack, a transmission gear and a second rack are matched to align a blocking plate with the filtering structure and block a filtering seat, so that a top tank and a bottom tank are divided into two areas, impurity precipitates can be discharged from the top tank, the filtering structure is prevented from being blocked by impurities, and the service life of the filtering structure is prolonged. The flocculation treatment and purification efficiency of the purification structure is improved, a worker does not need to close the treatment tank for disassembly and maintenance, the labor intensity of the worker is reduced, and the use effect of the sewage treatment and purification equipment is improved.

The invention relates to the technical field of turpentine processing, in particular to a turpentine continuous melting and clarifying processing device and method.The turpentine raw material is put into a feeding cylinder, piled in an inclined scattering cylinder, subjected to axial autorotation along with the feeding cylinder, discharged downwards and distributed in all areas in a dissolving tank, and after dissolving is completed, the turpentine raw material is poured into the feeding cylinder to be subjected to continuous melting and clarifying processing. When the telescopic part drives the sieve plate to move upwards until the bottom end of the movable cylinder abuts against the sieve plate, the sieve plate axially rotates along with the feeding cylinder and drives the movable cylinder to axially rotate, so that the material leakage port and the material scattering port are staggered, the movable cylinder rolls solid matters in the circumferential direction of the sieve plate, and the resin liquid is discharged into the clarifying tank along the liquid leakage pipe while slag is discharged from the slag outlet; after grease water in the clarification tank is layered, most of the water layer is discharged, the grease water is put into the feeding cylinder for circular treatment, and the steam injection system and the emptying pipe in the clarification tank are opened for distillation treatment, so that the continuous processing efficiency is further improved.

The invention relates to the technical field of wastewater treatment, and discloses a multi-stage wastewater treatment device for wood production, which comprises a treatment tank, and further comprises a filter cartridge I and a filter cartridge II which are cylindrically arranged in the treatment tank, and the filter cartridge II is positioned in the filter cartridge I and is used for sequentially separating impurities in wastewater; the water outlet pipe is arranged at the bottom of the filter drum II and is used for guiding out the treated wastewater; the water inlet pipe is arranged at the bottom of the treatment tank. By adopting the filter cartridge I and the filter cartridge II, continuous multi-stage filtration from rough filtration to fine filtration is realized, saw dust, fibers and other impurities with different particle sizes are removed at one time, meanwhile, online self-cleaning is synchronously carried out, and rotary filtration and filter screen cleaning are synchronously carried out through motor driving; therefore, the problem that traditional filtering equipment must be frequently shut down and manually cleaned due to quick blockage of a filter screen is solved, continuous and uninterrupted efficient operation of the wastewater treatment process is ensured, and the overall treatment efficiency and production continuity are greatly improved.

The present invention relates to a filter panel which is intended to be mounted in a drum filter, the filter panel comprising a peripheral frame to which a filter cloth is fixed, the frame being formed by two longitudinal members which are connected at each end by an end cross-member, characterized in that the filter panel comprises a lattice (R1) of crosspieces which connect the inner edges of the frame to one another, the lattice (R1) of crosspieces forming at least a first closed pattern (54) in the centre of the frame and comprising at least four diagonals which are inclined with respect to the longitudinal members and which extend from the first closed pattern to an inner edge of the frame.

The invention discloses a circulation system of aluminum wire drawing liquid, and relates to the technical field of metal processing, the circulation system comprises: a wire drawing device, which is provided with an immersion liquid box and an outlet die, and after entering the immersion liquid box for drawing, an aluminum rod is sized from the outlet die for molding; a filter is arranged in the wire drawing liquid pool, the filter is communicated with the immersion liquid box through a circulating pipe I, the circulating pipe I is connected with a heat exchanger, and the immersion liquid box is communicated with the wire drawing liquid pool through a return pipe; the cooling system is connected with the heat exchanger through a circulating pipe II; the filter is provided with at least one continuous filtering mechanism, and the continuous filtering mechanism is configured to trigger the continuous filtering mechanism to rotate to switch a new filtering structure when the water level in the filter rises. After the water-based aluminum wire drawing liquid is adopted, no smell is generated in the circulation process, and the surrounding environment of a machine table is clean and tidy. Meanwhile, after the aluminum powder is filtered and is drawn by a nano-mold, the lubricating property is good, and the surface of the aluminum wire is smooth and clean.

This invention relates to the field of waste gas treatment technology, specifically providing a waste gas purification device. The invention discloses a waste gas purification device comprising a tower body. Inside the tower body, from top to bottom, are arranged a first packing layer and a second packing layer. Spray mechanisms are correspondingly arranged above both the first and second packing layers. A water tank is connected to one side of the bottom of the tower body, an air inlet is located on one side of the bottom of the tower body, an air outlet is located at the top of the tower body, and an observation port is provided on the tower body. A rolling filter assembly is installed inside the water tank. This invention improves the utilization rate of the washing liquid and the waste gas washing effect: through the set water storage assembly, the washing liquid dripping from the first packing layer can be temporarily stored, allowing the waste gas to mix and contact with the washing liquid in the water storage assembly, increasing the number of waste gas washing cycles. Compared with the traditional mode of purification only through the packing layer, this improves the utilization rate of the washing liquid and the waste gas washing effect.

A filter plate structure of a disc filter relates to the technical field of disc filters and comprises a filter plate body filter surface, a filter cloth sealing pipe, a filter plate fixing block and a plate handle branch pipe, the filter cloth sealing pipe and the plate handle branch pipe are sequentially fixed at a plate handle of the filter plate body filter surface, and the filter plate fixing block is fixed outside the plate handle branch pipe. The two working surfaces of the filter surface of the filter plate main body are respectively parallel to the contour surfaces at the two ends of the filter plate fixing block, and the contour surface at any end of the filter plate fixing block can be attached to the fixing ring on the central shaft; the fixing mode of the filter plate assembly is changed, the stress direction of the filter plate assembly is changed to be perpendicular to the filter surface from the stress direction of a filter plate in the prior art to be parallel to the filter surface, the flatness of a whole disc formed after the filter plate assembly is assembled into the filter disc is guaranteed, the filter disc with the high flatness is more stable during operation, the cake discharging rate is high, and the filter plate assembly is convenient to assemble and disassemble. Rubbing of the filter cloth is avoided, and the service life of the filter cloth is prolonged.

The invention relates to the technical field of electrode coating, in particular to electrode slurry filtering equipment which comprises a machine shell and a circular-tube-shaped filter screen, a circular-ring-shaped ring piece is fixedly connected to the bottom face in the machine shell, a discharging pipe is rotatably installed at the top of the ring piece, an upper cover plate is fixedly connected to the top end in the machine shell, a shell is rotatably installed on the bottom face of the upper cover plate, and a discharging pipe is rotatably installed on the shell. The discharging pipe is fixedly connected with the shell, filter cloth is fixedly connected to the inner wall of the shell, a connecting block is fixedly connected to the bottom face in the machine shell, a sealing plate is fixedly connected to the top of the connecting block so as to support and seal the bottom of the filter cloth, an annular connecting plate is fixedly connected to the inner wall of the ring piece, and the inner ring of the connecting plate is rotationally connected to the sealing plate. In the using process of the equipment, the scraper blade is controlled to periodically scrape slag through the magnetic force effect between the permanent magnet and the scraper blade, so that filter cloth is prevented from being blocked, the shutdown cleaning frequency is reduced, the shutdown overhauling time is saved, and the production efficiency is greatly improved.

The invention belongs to the technical field of sewage treatment, and discloses environment-friendly sewage treatment equipment for building material production, the equipment comprises a filter box: a filter plate movably embedded in the inner wall of the filter box, and connecting rods are fixedly arranged on one side, close to four corners, of the filter plate. A plurality of rubber sleeves are in contact with the bottom of the pressure bearing plate during rotation, the plurality of rubber sleeves jack up the filter plate upwards, when the plurality of rubber sleeves are not in contact with one side of the pressure bearing plate, the filter plate moves downwards to be located on one side of a baffle, and a plurality of elastic plates have elasticity, so that the vertical vibration effect of the filter plate is further improved; furthermore, the grating plate moves along with the filter plate through a plurality of connecting rods, and impurities filtered on the upper sides of the filter plate and the grating plate vibrate along with the filter plate and the grating plate in the back-and-forth up-and-down moving process, so that the impurities are prevented from blocking the filter holes, the filter holes can be prevented from being blocked during sewage treatment, and the sewage treatment efficiency is improved.

The utility model relates to a sand and concrete separating mechanism. According to the technical scheme, the gravel and concrete separating mechanism is provided with a fixing support, a plurality of supporting rods and a plurality of connecting rods, the shell is installed on the fixing support, a first feeding port is formed in the shell, a screen plate is arranged in the shell and can screen gravel concrete entering from the first feeding port, gravel is located on the screen plate, concrete grout falls off from the screen plate, and a first discharging port is formed in the position, above the screen plate, of the side wall of the shell; a second discharge hole is formed in the bottom of the shell; the driving mechanism is mounted on the shell and can drive the sieve plate to move; and the spraying mechanism is mounted on the shell and can spray water to the sieve plate. According to the device, the spraying mechanism sprays water to the sieve plate and the gravels on the sieve plate, the situation that the gravels falling out of the first discharging port are bonded due to the fact that concrete grout is left on the gravels is avoided, and the situation that the concrete grout is condensed on the sieve plate and influences the screening capacity of the sieve plate can also be avoided.

The invention provides a crystal filtering device for chemical product processing, and belongs to the technical field of chemical product production, the crystal filtering device comprises a rack and a mother liquor tank arranged in the rack, the interior of the mother liquor tank is rotatably connected with a rotary drum, the surface of the rotary drum is provided with filter cloth, and the interior of the rotary drum is uniformly provided with filter chambers in the circumferential direction; a first negative pressure pipe and a second negative pressure pipe are arranged in each filter chamber; a supporting cylinder is arranged at the upper end of the rack, the front end of the rotary drum is rotationally connected with the supporting cylinder, a distribution ring rotationally connected with the rotary drum is arranged in the supporting cylinder, and a liquid drainage assembly matched with the distribution ring is arranged in each filter chamber; part of liquid can be reserved in the filter chamber, crystal particles on the wall face and corners of the filter chamber are fully wrapped and discharged into the supporting cylinder through liquid flowing in the liquid discharging process, the risk that the interior of the filter chamber is blocked is reduced, and the number of times of shutdown cleaning is reduced.

The invention discloses multi-seed fruit juice particle filtering equipment and a filtering method thereof, and relates to the technical field of fruit juice filtering equipment. The invention provides multi-seed fruit juice particle filtering equipment which comprises a rack and the like, the rack is fixedly connected with a placement table, the placement table is fixedly connected with and communicates with a discharging port, the placement table is fixedly connected with a servo motor, the placement table is rotationally connected with a separation net, the placement table is connected with a sealing plate in a clamped mode, and the sealing plate is fixedly connected with hollow mounting plate frames which are circumferentially distributed at equal intervals; the hollow mounting plate frame is fixedly connected and communicated with an air column, the sealing plate is fixedly connected with suction pumps which are circumferentially distributed at equal intervals, and the sealing plate is fixedly connected with air pumps which are circumferentially distributed at equal intervals. By means of the hollow mounting plate frame, the suction pump and other components, solid particles such as pomace accumulated on the separation net can be stirred to prevent the separation net from being blocked, the blocked separation net can be dredged by means of bubbles generated by air suction, and therefore it is guaranteed that fruit juice can smoothly penetrate through the separation net; and the filtering efficiency of the particle filtering equipment is improved.

The invention discloses a portable field screening device for environmental remediation microbial strains, and relates to the field of environmental remediation. The invention relates to a portable field screening device for environmental remediation microbial strains, which comprises a tank body which is a high-strength and light-weight aluminum alloy tank, and further comprises a filter cartridge arranged in the tank body, a filter element arranged in the tank body, and a filter element arranged in the tank body, the driving motor is fixedly connected to the upper end of the tank body; the driving shaft is fixedly connected to the output end of the driving motor; solid-liquid separation of the soil turbid liquid is efficiently completed through a centrifugal and ultrafiltration graded filtration mode, compared with a traditional method, the device has the advantages of being high in portability, high in separation efficiency and good in effect, impurities can be accurately intercepted, microbial losses are reduced, microbial strains with specific functions are rapidly screened for an environment restoration site, a high-quality bacterium-containing liquid sample is provided, and the method is suitable for popularization and application. The efficiency and accuracy of screening of microbial strains in environment restoration work are improved, and efficient development of the environment restoration work is promoted.

The invention relates to the technical field of sulfur recovery, in particular to sulfur recovery equipment and a recovery method thereof.The sulfur recovery equipment comprises a recovery box, a reaction box is arranged on the recovery box, an air outlet is formed in the reaction box, an air inlet pipe is arranged on the side wall of the reaction box, lifting mechanisms are arranged in the recovery box and the reaction box, and a spraying mechanism is arranged on the reaction box; and a centrifugal mechanism is arranged in the recycling box. According to the device, the lifting mechanism and the cleaning mechanism are matched, so that the atomizing nozzle can be rotationally cleaned during up-and-down movement, particles are effectively prevented from being blocked at the atomizing nozzle, a desulfurizing agent can be uniformly and smoothly sprayed, and the sulfur recovery efficiency and quality are improved; by arranging the centrifugal mechanism, under the action of centrifugal force, liquid is discharged through the drainage pipe, solid is discharged through the drainage groove, effective separation of the solid and the liquid is achieved, the treatment efficiency and quality are improved through the solid-liquid separation mode, the solid and the liquid can be conveniently and intensively treated in a distinguished mode, and further recycling of resources is facilitated.

The invention relates to the technical field of fishery breeding, and particularly discloses a fry hatching device for schizothorax breeding, comprising a support frame, the top of the support frame is fixedly connected with a hatching box and a breeding box, the side surface of the hatching box is fixedly connected with the side surface of the breeding box, and two sides of the inner wall of the breeding box are fixedly connected with plastic plates; the fry hatching equipment comprises a hatching box and a breeding box, the side faces of the hatching box and the breeding box communicate with water adding pipes, the bottom of the side face of the hatching box penetrates through and is fixedly connected with a purification assembly, and an inlet is formed in the side, close to the hatching box, of the inner wall of the breeding box. And the aeration device is arranged, so that the content of dissolved oxygen in the incubator can be increased, sufficient oxygen is provided for fertilized eggs, and healthy growth of the fertilized eggs is promoted.

The invention relates to the technical field of wet desulphurization, in particular to a vacuum belt dehydrator which comprises an annular filter belt and filter cloth, a supporting side plate is arranged on the annular filter belt, and a first flushing mechanism is arranged on the supporting side plate; the first washing mechanism comprises a movable roller movably arranged on the supporting side plate and a spraying hole formed in the surface of the movable roller, and further comprises a butt joint pipe arranged at the end of the movable roller. The filter cloth passes through the first flushing mechanism, high-pressure water is conveyed into the movable roller through the butt joint pipe and finally sprayed out from the interiors of the spraying holes, the high-pressure water flushes to the surface of the filter cloth through the spraying holes and preliminarily flushes the surface of the filter cloth, the flushing angle can be continuously changed through rotation of the spraying holes, and the cleaning effect is improved; stubborn particles can be prevented from blocking pores of the filter cloth, and the dehydration efficiency reduction caused by blockage is avoided.

The machine tool waste chip cyclic compression and recovery equipment comprises a connecting base, a limiting plate is arranged at the top of the connecting base, a supporting ring frame used for being connected with a separation barrel is arranged on the limiting plate, the bottom of the separation barrel is arranged in a conical opening mode, a driving ring is arranged on the inner wall of the separation barrel, and a separation roller is installed at the top end of the driving ring; an annular cavity is formed between the separation rollers, an annular frame is used for guiding cutting fluid centrifugally separated by the separation rollers, discharging openings for guiding out the cutting fluid are formed in the outer walls of the separation rollers, the limiting plate is hollow, and a fixed motor is installed at the top of one end of the limiting plate and used for controlling the driving ring to move; compared with the prior art, centrifugal separation is conducted through the annular cavity formed by the separation roller and the separation barrel, multiple times of efficient separation of metal chips and cutting fluid is achieved in cooperation with the double-layer structure of the clamping barrel and the chip discharging groove design, the cutting fluid can be rapidly guided out, and the liquid discharging hopper is matched to be connected with external treatment equipment for filtering treatment.

The utility model relates to the technical field of organic fertilizer fertilization, and particularly discloses an organic fertilizer fertilization system and a fertilization method, the organic fertilizer fertilization system comprises a differential pressure centrifugal filtering device, the differential pressure centrifugal filtering device comprises a device body, a centrifugal rotating disc is rotatably arranged in the device body, and a plurality of small filtering holes are formed in the middle of the side wall of the centrifugal rotating disc; a refined filtration liquid storage chamber and a slag liquid storage chamber are arranged in the device body; the bottom section cutting surfaces of the refined filtration liquid storage chamber and the slag liquid storage chamber are arranged in a manner that the middle parts are convex; the centrifugal turntable sequentially penetrates through the middle parts of the refined filtration liquid storage chamber and the slag liquid storage chamber; and a feeding pipe is arranged above the centrifugal turntable. The device has the beneficial effects of low energy consumption, high filtering efficiency, capability of meeting the requirement of applying biogas slurry to a drip irrigation system after treatment and the like.

This invention relates to the field of cooling oil filtration, specifically disclosing a cooling oil filtration device for an EDM machine. It solves the problems of existing EDM cooling oil filtration devices being inconvenient to clean, having limited functionality, and high operating costs. The proposed solution includes an upper cylinder, a lower cylinder, a motor compartment, a chuck, a filter element, a telescopic component, a circular disc, a first circular ring, a guide plate, a scraper, and a cleaning brush. A pulling assembly is provided on the circular disc, and an unfolding assembly is provided between the vertical plate and the guide plate. A driving assembly is also provided inside the upper cylinder to drive the first circular ring to rotate, thereby causing the scraper to clean the inner wall of the upper cylinder and the cleaning brush to clean the outer surface of the filter element. This device can be used independently or in combination with an EDM machine, increasing functionality. It allows for multiple oil inlets, greatly improving the efficiency of cooling oil filtration. It is self-cleaning, has good cleaning effect, and low operating costs.

The invention relates to an industrial sewage purification device for environmental protection engineering. The industrial sewage purification device comprises a base, a purification tank, a filter cartridge, a sewage inlet pipe, a hollow rotating shaft, a stirring part, a liquid suction head, a liquid inlet hole, a sewage pump, a driving assembly and a telescopic device, the telescopic device drives the hollow rotating shaft to do intermittent lifting motion, meanwhile, the sewage pump is started, negative pressure is formed in the hollow rotating shaft, the liquid suction head adsorbs impurities accumulated in gaps of the filter cartridge through the liquid inlet hole, and purified water on the outer side of the filter cartridge performs backwashing on the filter cartridge in the process that the purified water penetrates through the filter cartridge and enters the liquid inlet hole under the action of the negative pressure. The cleaning effect on the filter cartridge is improved, so that the filter cartridge keeps good filtering performance, and the purification effect on industrial sewage is improved.

The utility model relates to the technical field of sludge dewatering, and discloses a filter cloth recycling and cleaning device which comprises a mounting frame, two groups of filter cloth overlapped up and down, a tensioning mechanism arranged along the central axis of the mounting frame, a cleaning mechanism, a low-vacuum water suction box, a leveling assembly and two groups of sludge scraping plates, the two groups of filter cloth penetrate into the mounting frame from one end of the mounting frame and sequentially penetrate through the leveling assembly, the low-vacuum water suction box, the cleaning mechanism and the tensioning mechanism; the cloth rolling mechanism penetrates out of the mounting frame from the other end of the mounting frame, separates one group of filter cloth, sequentially penetrates through the mud scraping plate, the tensioning mechanism, the cleaning mechanism and the low-vacuum water suction box and then reaches the leveling assembly. The two layers of filter cloth for clamping and conveying sludge are separated, sequentially pass through the sludge scraping plate, the tensioning mechanism, the cleaning mechanism and the low-vacuum water suction box and then are recycled to the cloth rolling mechanism on the leveling assembly, the sludge residues remaining on the filter cloth are automatically removed in various modes for removing the sludge residues on the filter cloth, and the reuse efficiency of the recycled filter cloth is improved.

The invention discloses a water diversion structure for water conservancy and hydropower engineering, and relates to the technical field of water conservancy and hydropower water diversion devices. The filtering device comprises a filtering net cylinder; the filtering device is connected with a scraping assembly; the scraping assembly is rotationally connected with a cleaning assembly; the bottom of the water diversion box is fixedly connected with a sealing assembly; the scraping assembly is in transmission connection with the discharging assembly through the transmission assembly. The filter screen cylinder is driven to rotate through the filter device, and the filter device synchronously drives the scraping assembly to scrape impurities; the scraping assembly drives the cleaning assembly to clean the filter screen cylinder; the scraped impurities are sealed and collected by the sealing assembly, and then the transmission assembly drives the discharging assembly to be discharged in a centralized mode. The problems that in the operation process of an existing water diversion device, when impurities are discharged, water leakage is likely to be caused, and conveying efficiency is lowered are solved.

The invention relates to the technical field of purification, in particular to Chinese cabbage moss allergy-free factor purification equipment which comprises an outer box, one side of the outer box is communicated with a feeding pipe, a self-cleaning filtering assembly capable of automatically scraping impurities attached to different side faces is arranged in the outer box, and the self-cleaning filtering assembly comprises a filtering cylinder rotationally connected with the side wall of the outer box; one side of the filter cartridge is communicated with a transverse pipe, the transverse pipe extends to the outside of the outer box, the feeding pipe penetrates through the transverse pipe, a scraping assembly is arranged in the filter cartridge, the scraping assembly is dragged to rise when the filter cartridge rotates and then slides down to conduct scraping, a driving assembly used for driving the transverse pipe and the filter cartridge to rotate is arranged on the outer box, and the scraping assembly comprises an arc-shaped plate in sliding connection with the inner wall of the filter cartridge; and a plurality of sliding plates are fixedly connected between the two arc-shaped plates. The technical problems that particles in Chinese cabbage moss juice of existing purification equipment are prone to blocking a filter screen, the amount of blocked Chinese cabbage moss particles is large, the cleaning difficulty is increased, and the process of cleaning the filter screen is time-consuming and labor-consuming are solved.

The invention relates to an anti-blocking swimming pool suspended matter intercepting device, and belongs to the technical field of swimming pool cleaning equipment. The anti-blocking swimming pool suspended matter intercepting device comprises a water suction pump, a water conveying pipe, a water outlet pipe, a blow-off pipe, a flushing pipe and a connecting hoop. The filtering cylinder mechanism comprises a plastic cylinder body and a prefilter arranged at the top end of the plastic cylinder body; according to the filtering cylinder mechanism, the two sets of wavy filtering assemblies are used for adsorbing suspended solids in swimming pool water, the wavy shape can effectively increase the path length of an aqueous solution, the interception effect of particulate matter is improved, meanwhile, the water flow velocity gradient can be reduced, impact of turbulent flow on a filtering material is reduced, and the stability of the filtering material during filtering is improved; water entering the connecting hopper impacts the spiral blade to rotate, so that the filter drum is synchronously driven to rotate, large suspended solids stay on the surface of the filter drum, and the suspended solids are graded together with the fixed scraping strip, scraping frame, cutting scraping plate and filter plate scraping plate.

The utility model relates to the technical field of sewage treatment, in particular to an ultrafilter with a spiral flow guide type conical filter cartridge, which comprises a main box body, a roller filtering device, a two-layer roller filtering device and an internal and external flushing device, the front sealing plate and the rear sealing plate are arranged at the two ends of the cylinder body respectively, the cylinder body is in running fit relative to the main box body, a plurality of hollow filtering holes are formed in the peripheral side of the cylinder body, a filtering net used for covering the filtering holes is arranged in the cylinder body, a spiral flow guide plate is further arranged in the cylinder body, the flow guide plate forms stronger water flow, and the water flow is more uniform. According to the utility model, the inner and outer flushing devices are arranged to flush the inner and outer sides of the filter cartridge, so that the cleanliness of flushing is ensured, the filtering efficiency is improved, and the service life of the filter cartridge and the continuous operation period of equipment are prolonged; the two-layer roller filtering device comprises a filtering drawer provided with filtering cotton, water discharged from a filtering cylinder is filtered for the second time, and the filtering effect of the machine is improved.

The invention discloses belt type concentration and dehydration equipment for sludge treatment, and relates to the technical field of sludge treatment. The sludge dewatering device comprises a bottom frame and a top frame, the top frame is stably installed at the top end of the bottom frame through bolts, a plurality of guide rollers are rotationally arranged in the bottom frame and the top frame, the outer walls of the guide rollers in the bottom frame and the top frame are sleeved with filter belts correspondingly and used for sludge dewatering, and the ends, close to the discharging opening, in the bottom frame and the top frame are each provided with a desliming assembly. The middle parts of the bottom frame and the top frame are respectively provided with a spray-washing assembly and a vibration composite drainage assembly, and impurity adsorption assemblies are respectively arranged at one ends, close to the feed port, in the bottom frame and the top frame; through the arrangement of the vibration composite drainage assembly and the impurity adsorption assembly, the vibration composite drainage assembly firstly accelerates the separation of water in pores of the filter belt through high-frequency vibration, then cooperates with a high-strength air curtain sprayed by an air knife to quickly peel off water stains on the surface, and then performs secondary adsorption cleaning on residual fine particles on the surface of the filter belt through the impurity adsorption assembly; impurities are effectively prevented from blocking filter holes, and water permeability of the filter strip is maintained.

The utility model discloses mud-water separation equipment for muck in shield construction, and relates to the technical field of muck treatment. The device comprises a bottom plate, the top face of the bottom plate is fixedly connected with a supporting frame, the inner wall of the supporting frame is rotationally connected with a separation barrel, the two ends of the separation barrel are in a through state, and a driving assembly used for controlling the separation barrel to rotate is installed on the top face of the bottom plate. The inner wall of the separation cylinder is slidably connected with a sealing assembly used for shielding the two ends of the separation cylinder, the top face of the bottom plate is provided with a transverse moving assembly used for controlling the sealing assembly to move, and the surface of the separation cylinder is provided with a water collecting assembly used for guiding water. During use, the effect of quickly separating mud and water from muck generated in shield construction is achieved, the muck can be automatically pushed out after separation is completed, the interior of the device does not need to be manually cleaned, and the device is more convenient to use.

The invention relates to the technical field of testing equipment, and particularly discloses an insulating oil dielectric strength testing device which comprises a dustproof detection box, one side of the dustproof detection box penetrates through and is fixedly connected with an observation window, the top of the dustproof detection box is fixedly connected with a dehydration device, and the bottom of the inner wall of the dustproof detection box is fixedly connected with a first supporting seat. The bottom of the testing oil cup is communicated with an oil outlet pipe, the bottom of the testing oil cup penetrates through and is rotationally connected with a cleaning device, the parts, located on the two sides of the testing oil cup, of the bottom of the inner wall of the dustproof detection box are fixedly connected with impurity removing devices, and the parts, located on the two sides of the testing oil cup, of the bottom of the inner wall of the dustproof detection box are fixedly connected with distance adjusting devices; the dielectric strength testing device for the insulating oil is provided with the dehydration device, so that the dielectric strength of the insulating oil is prevented from being reduced due to the existence of water, the accuracy of a test result is improved, and the impurity removal device is arranged, so that the test result is prevented from being influenced by impurities or generated foam in the insulating oil.