27results about How to "High filtration precision" patented technology

The invention relates to a gas nano purifier. The gas nano purifier comprises a mounting seat, the gas storage bin is installed on the installation base and used for storing clean gas, the side wall of the upper portion of the gas storage bin extends upwards to form an installation plate, and a gas path through hole is formed in the middle of the installation plate; the gas-water separator is mounted on the mounting plate and is used for carrying out primary purification on to-be-cleaned gas; the adsorption tower is mounted on the mounting plate and is used for carrying out secondary purification on the to-be-cleaned gas; gas to be cleaned sequentially flows through the gas-water separator and the adsorption tower and then enters the gas storage bin; the adsorption tower is communicated with the gas storage bin through an exhaust pipe; and the exhaust pipe penetrates through the gas path through hole. Through the arrangement, the installation operation is greatly simplified, and the integrity and the space utilization rate of equipment are improved.

This utility model discloses an industrial processing fluid filtration system using the coagulation and diversion principle, comprising a three-compartment water tank, a low-voltage AC particle coagulation device, and a diversion filter cartridge. The three-compartment water tank is divided into a sludge tank, a filtration tank, and a supply tank. The low-voltage AC particle coagulation device includes a cylindrical electrode and an electrical control box. The diversion filter cartridge includes a cylindrical filter, and the interior of the cylindrical filter has a filter element parallel to the axis of the cylindrical filter. The three-compartment water tank, the low-voltage AC particle coagulation device, and the diversion filter cartridge are connected sequentially by water pipes. This industrial processing fluid filtration system using the coagulation and diversion principle is advanced in design, compact in structure, and easy to use. It aggregates fine particles in the processing fluid into larger particles, facilitating subsequent filtration, improving filtration efficiency and accuracy, and preventing excessive deposition and compaction of particles on the filter element surface, thus extending the service life of the filter element and avoiding frequent replacement.

This invention discloses a cutting fluid circulation, purification, and recovery device for mold parts in the field of cutting fluid treatment technology. It includes a multi-layer magnetic filtration mechanism, comprising a housing with an inlet. Several sets of magnetic filter plates are arranged from top to bottom within the housing, and a cleaning section is provided above each magnetic filter plate. By employing the synergistic cooperation of multi-layer magnetic filtration and the cleaning section, this invention effectively solves the drawbacks of existing single-stage filtration methods, such as limited accuracy, easy clogging, and the need for frequent manual cleaning. The overall structure is compact and easy to maintain, making it suitable for centralized circulation and recovery of cutting fluid in small machining centers, mold workshops, and other similar settings. This improves processing efficiency while reducing labor intensity and overall operating costs.

This application discloses a multi-stage filtration device for inorganic pigment production, belonging to the technical field of inorganic pigment production equipment. It includes a device body, internally comprising a primary filtration unit, a secondary cyclone unit, a precision filtration unit, and a heating module. The design is novel and the device ingenious. The slurry enters the coarse filter screen through the feed inlet. A vibrating motor prevents screen clogging. After preliminary filtration, the slurry enters the cyclone chamber, where centrifugal force separates medium-sized particles. Finally, it undergoes precision filtration through a sintered filter element. The backwash pipeline periodically reverse-flushes the filter element, triggering a backwash program every two hours for 30 seconds. Before shutdown, the feed is shut off, and the backwash is run three times. This improves filtration accuracy and effectively reduces the impurity content of the finished product. The backwash design extends the filter element's lifespan and maintenance cycle. The synergistic effect of cyclone and vibration increases the throughput when processing high-viscosity slurries, greatly enhancing the device's practicality.

This invention relates to the field of brine purification technology in the salt production industry, and discloses a silicon carbide flat-sheet membrane brine purification system and process for the salt production industry. The invention uses a modular silicon carbide flat-sheet membrane filtration unit as its core, combined with a minimalist pretreatment feeding unit. Through the modular collaborative design of an open-top membrane tank shell at atmospheric pressure, a detachable stackable membrane tower, a negative pressure water production component, an array-type aeration component, and a refined brine backwashing component, it achieves negative pressure suction filtration with the membrane tower completely submerged in the crude brine, directly treating crude brine containing calcium and magnesium precipitates without the need for pre-filtering and circulation equipment. The modular design of each component in this system allows for easy assembly and disassembly, high filtration accuracy, low energy consumption, strong anti-fouling properties, and stable production of calcium and magnesium precipitates. 2+ +Mg 2+ The refined brine with ≤1ppm and SS≤1ppm has significant advantages over traditional ceramic membrane systems in terms of equipment investment, operating costs, membrane life and industrial adaptability. It can be widely used in brine refining in the salt industry and brine refining in chlor-alkali systems.

This utility model relates to the technical field of electronic oil pump covers for new energy vehicles, and discloses an electronic oil pump cover for new energy vehicles, including a base plate. Screws are threaded to the four corners of the top of the base plate. A pump cover body is fixedly connected to the inner wall of the middle of the base plate. A filter assembly is installed inside the pump cover body. Through the filter assembly, the connecting block and the filter frame are connected by bolts, insertion holes, insert blocks, threaded cylinders, and connecting plates to form a detachable assembly structure. During installation, the insert block is inserted into the insertion hole, the bolt is fitted into the slot, and then the threaded cylinder is tightened to securely fix the filter frame. This structure facilitates quick installation and disassembly of the filter assembly by operators. Simultaneously, the coarse, medium, and fine filter screens within the filter frame form a three-stage filtration system, which can intercept large, medium, and fine particles and impurities in the oil in layers, thus effectively improving filtration accuracy and efficiency.

The utility model provides a novel vertical stainless steel sieve basket, including first flange, second flange, filter screen and reinforcing rib, first flange and second flange are fixedly connected through a plurality of reinforcing ribs, the shape of first flange and second flange is all circular ring, first flange, second flange and reinforcing rib constitute circular table, a plurality of reinforcing rib is equidistantly distributed on the generatrix of circular table side with circular table axis as center, in the utility model, through the fixed connection of flange, reinforcing rib and screen, the structure stability and buffer protection function are realized simultaneously, the connecting relation of support strip and sieve strip strengthens structure stability and prolongs the service life, the alternate arrangement and the slotted design of sieve strip improve the dehydration performance and realize the weight reduction energy saving, and many structures cooperate and improve the various deficiencies of traditional sieve basket comprehensively.

The application relates to the technical field of water treatment, and discloses an environment-friendly mine exploitation sewage treatment device, which comprises a sewage treatment tank, a flocculation assembly is arranged in the sewage treatment tank, and a sewage treatment bin is connected to the outer wall of the sewage treatment tank; a partition bin is fixedly embedded in the sewage treatment bin, metal pipes and drainage pipes are respectively embedded in the partition bin and communicate with the sewage treatment tank; a lower partition plate is also embedded in the partition bin, and a center through hole is arranged at the middle position of the lower partition plate. The environment-friendly mine exploitation sewage treatment device is provided with the partition bin, the fine particle size of the particles is greatly improved in sequence from bottom to top, the problem of electrode plate scaling of an electrochemical flocculation assembly in a subsequent sewage treatment tank is effectively avoided, and the stable operation of a deep treatment unit is ensured.

The utility model relates to filter screen technical field especially relates to a kind of high filtration accuracy edge covering filter screen.The technical scheme of it includes: edge covering one and edge covering two, and the side of edge covering one and edge covering two mutually close is respectively provided with clamping groove one and clamping groove two.The utility model is by setting up edge covering one to clamping groove two, it is convenient to cover filter screen body between, reduce the abrasion of edge direct contact with outside, to prolong overall service life, make filter screen body edge more regular, and the installation interface of filter, pipeline or equipment is closely adhered, avoid the gap leakage caused by edge slackening, by setting up filter screen body, can first filter large particle and then filter small particle, and by permanent magnet ring adsorption medium containing magnetic particle, cooperate filter plate one and filter plate two to realize double filtration and improve filtration precision, by setting up pin hole to pin column, it is convenient to install equipment at installation interface, by setting up elastic sheet to through-hole, it is convenient to assemble and disassemble edge covering one and edge covering two.

The utility model relates to filter device technical field, especially a kind of efficient metal cleaning agent filter device, including filter box, the inner left wall upper portion and inner right wall upper portion of filter box are all opened with the slot of front end through, two the slot are jointly inserted with detachable cleaning structure, the upper end middle part of filter box is fixedly connected with water inlet hopper, the upper part of the right end of filter box is fixedly connected with communicating pipe, the end of communicating pipe away from filter box is fixedly connected with multiple filtration structure, the inside of one end of multiple filtration structure and detachable cleaning structure is communicated, the lower part of the right end of filter box is fixedly connected with drain pipe.The utility model discloses a kind of efficient metal cleaning agent filter device, by the cooperation of detachable cleaning structure, the multiple filtration structure of the cooperation of the component of taking out and cleaning slag, multiple-stage accurate filtration is realized, it is convenient to quickly clean and maintain, reduce downtime, reduce production cost, guarantee production continuity, extend cleaning agent service life.

The utility model provides an aquaculture sedimentation microfiltration device relates to aquaculture technical field, including microfiltration machine body, the top of microfiltration machine body is welded with support frame, the inboard of support frame is provided with sedimentation filter component, sedimentation filter component includes the processing jar of installation inboard of support frame, the inner wall upper side of processing jar is welded with connecting frame, the inboard of connecting frame is welded with installation ring frame, the inner wall of installation ring frame is opened with connecting groove, the inboard of installation ring frame is provided with filter cartridge, the bottom of processing jar is opened with water outlet, the water inlet of microfiltration machine body is connected with water outlet, through setting sedimentation filter component, through the filter cartridge middle section mesh, the impurity in water is filtered and intercepts, and the impurity under the connection will fall to the bottom of filter cartridge, when the impurity in filter cartridge accumulates too much, the operator can take out filter cartridge from installation ring frame through connecting top ring, and the convenience of replacing filter cartridge is increased.

This utility model discloses an oil filter element with an impurity isolation structure. It has an annular baffle extending from the upper end cap towards the lower end cap. When the filter element is installed upside down, the side wall of the baffle directly isolates the upper outer periphery of the filter material. Impurities that settle in the oil are blocked in the impurity settling area around the baffle and cannot come into contact with the surface of the filter material. This fundamentally avoids filter material blockage caused by impurity accumulation, effectively improves the filtration accuracy of the filter element, and extends the filter element's life.

The utility model relates to circulating device field especially relates to a numerical control lathe swarf liquid circulating device, including the recycling box and the circulating component, the inside installation of recycling box is used for the recycling recycling use of fully processing swarf liquid circulating component, and the circulating component includes the composite filter screen, storage bin, liquid outlet pipe, docking disc, filter ring, solenoid valve, connecting plate, recycling disc, charging frame, and the inside of recycling box is provided with recycling groove, and the inside symmetry of recycling groove is equipped with the composite filter screen, and the outer end corner of composite filter screen is equipped with the limiting bolt, and the composite filter screen is fixed with recycling box thread through limiting bolt, and the inside of recycling box is located composite filter screen one side and is provided with storage bin, and the inner wall symmetry of recycling groove is provided with multiple groups of guide grooves, the utility model discloses through adopting the composite filter screen to the multistage full filtration separation of swarf liquid, effectively screens out the swarf in cutting fluid, reduces the residual of metal scrap in recycling cutting fluid, guarantees the cleanness of recycling cutting fluid, improves the filtration effect.

The utility model relates to mechanical engineering technical field, proposes a kind of gearbox filter belt assembly, including first skeleton, the first skeleton is connected with multiple first filter screen, second skeleton is provided in first skeleton, multiple second filter screen is connected on second skeleton, the first skeleton and second skeleton are fixedly connected by first fixed ring and second fixed ring, the second fixed ring is fixedly connected with connecting ring, multiple mounting holes are set up on connecting ring, the device adopts double-layer filter screen design to improve oil filtering effect, second filter screen first intercepts larger particle size impurity, prevents it from entering subsequent link, avoids large impurity damage fine filtration first filter screen;First filter screen captures smaller particle size impurity again, greatly improves overall filtration precision, filtered oil is cleaner, can fully meet the requirement of gearbox to oil purity, effectively reduce the wear and tear of impurity to internal gear, bearing and other precision components, guarantee gearbox stable operation.

The utility model relates to numerical control machine tool technical field, and disclose numerical control machine tool cooling liquid circulation filtration integration device, including machine body subassembly, the inside installation of machine body subassembly has filter assembly, the top of machine body subassembly and filter assembly is provided with top subassembly, the inside installation of machine body subassembly has cleaning assembly, the inside both sides of machine body subassembly symmetry is provided with heat dissipation subassembly, be equipped with machine body subassembly and filter assembly, be favorable to through filter bucket and collection blade and separate the impurity and metal scrap filter, improve the filtering precision, effectively remove the different pollutant in cooling liquid, be equipped with filter assembly and cleaning assembly, be favorable to through the magnetic block and collection box and collect metal scrap adsorption, avoid the filter's blockage, reduce the maintenance frequency of filter, and maintenance personnel need not frequently clean the metal scrap in filter, improve the work efficiency of device.

This utility model relates to the field of filtration devices, and more particularly to a filtration device for adhesive-containing wastewater, including a filter box; it also includes a cleaning scraper and a first filter cylinder. A primary filter barrel is fixedly connected to the upper end of the filter box, and a filter bucket is fixedly connected inside the primary filter barrel. A cleaning rod is rotatably connected to the upper end of the filter bucket, and a cleaning scraper is fixedly connected to the outer side of the cleaning rod. The first filter cylinder is rotatably connected inside the filter box, and a second filter cylinder is threadedly connected to the upper end of the inner wall of the first filter cylinder. A threaded scraper is rotatably connected to the inner wall of the second filter cylinder. With the use of the cleaning scraper and the first filter cylinder, the adhesive-containing wastewater enters the primary filter barrel, where large colloid particles are intercepted by the filter bucket. The pre-filtered adhesive-containing wastewater falls into the second filter cylinder. The rotation of the first filter cylinder drives the second filter cylinder to rotate synchronously, generating centrifugal force to perform multi-stage filtration of the adhesive-containing wastewater. The filtration accuracy is high, effectively removing pollutants such as colloids and organic matter from the wastewater, thus improving the filtration effect and water purification level.

The utility model discloses a kind of oil-water separation and impurity filtering dual-function filter element, it includes shell, the inside of the shell is provided with partition, the inside of the shell is provided with filter cavity, separation cavity and sedimentation cavity, the inside of the filter cavity is provided with coarse filter layer and fine filter layer, the inside of the filter cavity is provided with multiple radial flow guide plates, the inside of the separation cavity is provided with filter core, the upper end of the shell is fixedly connected with top cover, the upper end of the top cover is fixedly connected with oil inlet pipeline and oil outlet pipeline, the bottom end of the sedimentation cavity is provided with water drain bolt, the water drain bolt is threadedly connected with the bottom of shell. Through the above structure, by setting multilayer filter layer and filter core, water and impurities in oil can be processed simultaneously, greatly improve the filtering precision, and it is convenient to discharge the water and impurities of sediment.

The utility model is suitable for ceramic membrane filtration technical field provides a kind of silicon carbide ceramic membrane filter device for powder washing, it includes: membrane reaction pool, the inside of membrane reaction pool is equipped with several groups of membrane box group, the one side of membrane reaction pool is equipped with support base, the one side of support base is equipped with aeration assembly, the top of support base is equipped with raw water pump, water production pump, backwash pump and spray pump respectively, raw water filter is equipped on raw water pump, it is connected between raw water pump, raw water filter and membrane reaction pool by first pipeline, second pipeline is equipped between water production pump and membrane reaction pool, backwash filter is equipped on backwash pump, it is connected between backwash pump, backwash filter and membrane reaction pool by third pipeline, fourth pipeline is equipped between spray pump and membrane reaction pool, by this, the utility model uses ceramic membrane filter device to replace traditional plate frame, and the filtration precision is higher, and the hydrophilicity is stronger, and service life is longer.

The application discloses a pickled vegetable wastewater filtering device, which comprises a filtering box body, the inside of the filtering box body is divided into a cleaning cavity and a sedimentation cavity through a partition plate. A filtering assembly is arranged on the partition plate and comprises a filtering barrel and a filtering cover with multiple layers of decreasing pore diameters. The top of the filtering barrel is limited from moving by a resisting assembly (containing a torsional spring and a torsional resisting arm). A sedimentation guide table and an openable turnover door are arranged at the bottom of the sedimentation cavity. After being filtered through multiple stages, the wastewater is guided to the sedimentation groove along an inclined surface to be deposited. The device realizes the suspension interception and pretreatment of pickled vegetable wastewater through multi-stage filtration, uniform water distribution and efficient sedimentation, and has the advantages of high filtering precision, convenient cleaning, stable structure and the like.

The utility model discloses a water -based aluminum wire drawing liquid circulating filter device belongs to wire drawing liquid filter device technical field, this water -based aluminum wire drawing liquid circulating filter device, including first filter box and second filter box, first filter box and second filter box are provided with three groups, and the head is connected, first filter box and second filter box's top is equipped with the filter mechanism of ensuring keeping stable in whole filter period, the inside of filter mechanism is equipped with the switching mechanism of automatic replacement to spare filter screen. The utility model discloses through being equipped with switching mechanism, can automatic switching to spare filter screen after filter screen blockage, need not manual intervention, reduce downtime, improve production efficiency and equipment utilization rate, close simultaneously through contact sensor trigger electric valve, make the convenient replacement of blocked filter screen, make daily maintenance and part replacement more convenient, reduce maintenance difficulty and cost.

This invention discloses a pretreatment process for dry gas from ethylbenzene production. The steps are as follows: the dry gas from ethylbenzene production sequentially enters a dry gas separator and coalescer, a dry gas water washing tower, a water-washed dry gas cooler, and a water-washed dry gas separator to remove organic amines and / or ammonia carried in the dry gas. The dry gas water washing tower is arranged from bottom to top as a first water washing section, a second water washing section, a third water washing section, ..., N water washing sections, where N≥2. A collection tank is set between two adjacent water washing sections. The bottom plate of the collection tank is equipped with a riser hole and a riser pipe to connect the two adjacent water washing sections. Each water washing section is arranged from bottom to top as a structured packing section and a water washing water distributor. The dry gas water washing adopts a multi-stage water washing process. Each stage of water washing uses a water washing circulation pump to circulate the water washing water. A water washing water filter is installed on the water washing water circulation pipeline of each stage. The water washing water adopts a method of partial circulation, continuous discharge, and continuous water replenishment. Using this invention, the amount of alkaline substances carried in the dry gas of ethylbenzene production feedstock can be effectively removed.

This invention discloses a polytetrafluoroethylene (PTFE) fiber composite membrane and its preparation method. By adding a foaming agent to the curing material, the foaming agent molecules decompose during the longitudinal stretching of the PTFE roll, reducing the membrane size nodes and thus increasing the membrane flux. Adding a fluorinated emulsion for bonding during thermal lamination further improves the membrane flux and filtration accuracy. Furthermore, subjecting the PTFE membrane to ultra-low temperature freezing treatment increases the membrane's strength. In summary, the PTFE fiber composite membrane prepared by the method of this invention can ensure high flux while maintaining a small pore size.

This utility model discloses a pressure screen system for top coating of a coating machine, including a feeding pump, a pressure screen, and a coating machine. The feeding pump is used to pump the prepared coating. A feeding pipeline is provided between the feeding pump and the pressure screen to supply material to the pressure screen. A high-level tank is installed on the discharge pipeline between the pressure screen and the coating machine to store the filtered coating and directly supply the filtered coating to the curtain of the coating machine. A metering pump is also installed on the discharge pipeline between the pressure screen and the high-level tank to meter the filtered coating discharged from the pressure screen and quantitatively supply the filtered coating to the high-level tank. Through the effective cooperation of the feeding pump, pressure screen, metering pump, and high-level tank, the filtration accuracy of the coating liquid is improved, coating defects are reduced, the frequency of large particles of impurities in the coating liquid easily passing through the screen is reduced, downtime for cleaning is reduced, water resources are saved, and the pass rate and production efficiency of coated paper are effectively improved.

This invention discloses an embedded metal-based ceramic membrane and its preparation method. The membrane uses a continuous metal matrix as its main framework. During solid-state sintering, the metal particles undergo plastic deformation at their contact points, forming sintering necks. The ceramic powder is in a discontinuous, discrete state. After being uniformly dispersed by powder adsorption and cold isostatic pressing, it is embedded and locked within the gaps in the metal framework. This product has a metal membrane structure as its main component, offering high filtration accuracy and uniform distribution. The outer surface of the membrane has a continuous, smooth, and clean metal phase that can be directly welded. It exhibits low sintering shrinkage, good dimensional stability, excellent intrinsic hydrophilicity, and superior fluid permeability. The preparation process is simple and controllable.

This utility model discloses a sealing oil purification and fine filtration system, including a centrifugal filter, a terminal fine filtration device, a precision filter oil pump, a clean oil tank, and pipelines. The terminal fine filtration device includes a fine filter tank, a filter element, and a backwashing structure. The filter element is disposed inside the fine filter tank. Pressure sensors are installed on both the pipelines before and after the fine filter tank to monitor the filtration operation status and achieve backwashing of the filter. The beneficial effects of this utility model are: the centrifugal filter achieves centrifugal filtration and automatic slag scraping of the sealing oil; the terminal fine filtration device is equipped with pressure sensors on both the pipelines before and after the filtration process, and also includes a backwashing structure, which monitors the filtration operation status and achieves backwashing of the filter through pressure sensors. This improves the sealing oil filtration efficiency, increases filtration accuracy, and enhances the quality of the clean oil.

This utility model relates to the field of centrifugal pump housing pressure technology, and provides a stainless steel multi-stage centrifugal pump testing device, including a water tank, a filter block installed on the top of the water tank, a test chamber installed on the top of the filter block, a fixing device detachably connected to the top of the test chamber, and a testing machine installed on the side wall of the test chamber. The filter block has two filter holes inside, each of which contains a filter screen, and the filter screen is detachably connected to the filter block. The filter screen can perform preliminary filtration of the liquid entering the water tank, and the inclined filter screen can prevent the filter screen from being blocked. The activated carbon filter layer can further filter the liquid after the filter screen is filtered, improving the filtration accuracy. This device can prevent the fragments and particles of the centrifugal pump from settling at the bottom of the water tank after the centrifugal pump breaks, and prevent the booster pump from sucking fragments and particles into its interior during operation.

The utility model discloses a reconstituted tobacco extract concentration device which comprises a vacuum membrane distillation device and a ceramic membrane device, and the ceramic membrane device comprises a storage tank, a ceramic membrane assembly and a first water pump. The discharge port of the storage tank and the inlet end of the first water pump, the outlet end of the first water pump and the feed port of the ceramic membrane assembly, and the trapped fluid discharge port of the ceramic membrane assembly and the return port of the storage tank are respectively connected through a pipeline; the vacuum membrane distillation device comprises a vacuum membrane distillation assembly, the inlet end of the feeding side of the vacuum membrane distillation assembly is connected with the outlet end of a second water pump through a pipeline, the inlet end of the second water pump is connected with an outlet of a heating flask through a pipeline, and an inlet of the heating flask is connected with a permeate discharging port of a ceramic membrane assembly through a pipeline. A scavenging port in the condensation side of the vacuum membrane distillation assembly is connected with a scavenging pipeline. The device disclosed by the utility model has the advantages that the loss of heat-sensitive substances in the tobacco extract liquor is reduced while macromolecular impurities in the tobacco extract liquor are removed.