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296results about How to "High filtration precision" patented technology

Nanofiber composite vehicle air filter paper with gradient structure and preparation method thereof

The present invention proposes a nanofiber composite vehicle air filter paper with a gradient structure and a preparation method thereof, which is used to solve the technical problems of poor bonding strength between nanofibers and substrates and low filtration efficiency in nanofiber filter materials. The present invention uses a preparation process combining electrostatic spinning and electrostatic spraying to prepare a nanofiber composite vehicle air filter paper, which includes an ultrafine nanofiber mesh layer, a nanofiber layer and a filter paper layer arranged in sequence. The present invention has a good effect on PM under industrial standard wind speed conditions. 0.3 The initial filtration efficiency of particulate matter can reach 99.9%, reaching the H12 standard for air filtration materials. More importantly, in the self-cleaning backflush test, after 10,000 backflush tests, the PM 0.3 The filtration efficiency can still be maintained above 90%. This provides a new strategy for high-performance nanofiber filtration materials, which is of great significance to the high-tech, high-quality, green and sustainable development of nonwoven materials and filtration materials.
Owner:PINGYUAN FILTER

Gas nanometer purifier

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.
Owner:HONGRIJIA DEPURATE FACILITY SCI & TECH CO LTD

Multipurpose biological filter treatment device

The invention discloses a multipurpose biological filter treatment device, which mainly comprises a water distribution tank, a water inlet pipe, a water outlet pipe, a return pipe, an aeration pipe, a filter material, a filter plate, a baffle plate, a membrane assembly, an overflow port and a tank body, and is characterized in that the baffle plate is arranged in the middle of the tank body to divide the tank body into a filler area and a reaction area; the filter plate is arranged at the bottom of the filler area, two layers of fillers are arranged on the upper layer of the filter plate, the lower layer of the filter plate is quartz sand with the particle size of 0.5-2mm, and the upper layer of the filter plate is an AFM active filter material; and the membrane component is arranged in the reaction area and adopts a silicon carbide flat membrane with the filtering precision of 0.1-2 microns. Aiming at the defects of an original sewage treatment device, the invention provides a sewage treatment filter device which is good in treatment effect and low in operation energy consumption, can be used for water pretreatment of a micro-polluted water source and can also be used for advanced treatment of sewage.
Owner:SHANDONG DINGXIN ECOLOGICAL ENVIRONMENT CO LTD

Pressure-controllable hybrid gearbox hydraulic control system

The utility model belongs to the technical field of hybrid power assemblies, and particularly relates to a pressure-controllable hybrid power gearbox hydraulic control system which comprises a lubrication cooling subsystem and an oil supply subsystem, and further comprises a main oil pressure adjusting subsystem and a clutch control subsystem, and the oil supply subsystem comprises a first mechanical pump, a second mechanical pump, a suction filter and an oil tank. The first mechanical pump is connected with the suction filter which is connected with the oil tank; the lubrication cooling subsystem comprises an oil cooler and a filter, the first mechanical pump is connected with the oil cooler and the filter through oil ways, the filter is connected with an LUB oil way, and the oil cooler is connected with an EM1 oil way, an EM2 oil way and a C1 oil way; according to the clutch control sliding valve element, the feedback oil way is arranged at the spring end, so that spring force, feedback pressure and pilot hydraulic pressure form dynamic balance, smooth curve linear control over clutch pressure can be achieved, and control smoothness is improved.
Owner:KUNTAI VEHICLE SYST CHANGZHOU CO LTD

Multi-section wastewater treatment equipment for photocatalytic degradation

The invention provides multi-section wastewater treatment equipment for photocatalytic degradation, and belongs to the technical field of wastewater treatment. Comprising a pretreatment device, a photocatalysis device, a separation and recovery device and a post-treatment device. By arranging the filter cartridge, the deformation ring, the conical filter screen, the arc-shaped top plate, an elastic sheet and a baffle ring II, after wastewater flows in from the water inlet, the arc-shaped top plate effectively disperses water flow, impurities are prevented from directly impacting the top of the conical filter screen to cause decomposition, and meanwhile, the arc-shaped top plate and the conical filter screen are driven to move downwards, so that the deformation ring forms a buffer inclined plane to further absorb impact energy; the filtering precision is greatly improved through double buffering; the deformation ring is linked with the baffle ring II through the connecting rope II, when wastewater flows in, the discharge hole is closed, impurity circulation is prevented, wastewater visibility is improved, photocatalytic degradation is enhanced, when the wastewater stops flowing in, the elastic piece resets the deformation ring, the baffle ring II is driven to open the discharge hole so that impurities can be discharged along with the treated wastewater, and filtering precision and photocatalytic degradation efficiency are improved; stable and efficient operation of the system is guaranteed.
Owner:HENAN LANTIAN ENVIRONMENTAL ENG CO LTD

Direct coal liquefaction residue solvent extraction deliming method, refined asphalt and application

The invention discloses a direct coal liquefaction residue solvent extraction deliming method, refined asphalt and application, and relates to the technical field of solid waste resource treatment. According to the method, process conditions and process parameters are reasonably controlled, the thermal dissolution effect of an extraction agent and the liquefied residues is improved, a scale inhibitor composed of a multi-element alkyl organic matter, an auxiliary and coking washing oil is mixed with the extraction agent, then the ground liquefied residues are added into a material obtained through mixing, and the extraction agent and the liquefied residues are mixed uniformly. The slurry is prepared by controlling the stirring speed, the reaction temperature and the like; due to the addition of the scale inhibitor, the concentration of the residue extraction liquid is improved, and the treatment capacity and efficiency are enhanced; and a filter used for precision filtration adopts a stainless steel metal sintered filter element, so that the filter is resistant to higher temperature and pressure, the service life can be prolonged, and the stripping of viscous materials such as asphaltene in the liquefied residues is facilitated. The ultralow-ash refined asphalt prepared by the method can be used as a high-quality raw material of a high-end carbon material.
Owner:CHINA SHENHUA COAL TO LIQUID & CHEM CO LTD +2

Backwashing multi-stage composite constant-temperature filter and filtering method

The filter comprises trundles, the trundles are symmetrically arranged on a main water tank, a washing support is fixedly connected to the main water tank, a washing motor is fixedly connected to the washing support, the output end of the washing motor is fixedly connected to a washing water pump, and the output end of the washing motor is fixedly connected to the washing water pump. The flushing water pump is fixedly connected to the flushing bracket; according to the invention, after primary filtration by the magnet filter, large-particle impurities are secondarily filtered by the water tank filter screen, and third-stage fine filtration is carried out by the filter element, so that the purity of the cutting fluid is improved, and the temperature can be constant in a set temperature range under the action of the coil immersion type water cooling machine; the water cooling machine coil pipe can make the grinding liquid reach the set temperature more quickly, the filtering precision is high, and constant-temperature control over the grinding liquid can be achieved; the smudginess condition of the filter element is automatically monitored through the pressure gauge, and the filter element can be automatically and efficiently cleaned, so that the operation stability of the equipment is guaranteed.
Owner:GUIZHOU XINGFUXIANG LIJIAN MECHANICAL CO LTD

Waste acid desilicication system

The utility model relates to the technical field of acid regeneration desiliconization, in particular to a waste acid desiliconization system which comprises a heat exchanger, a dissolving tank, a cooler, a reaction tank, a surface filter and a purified waste acid collecting tank which are connected in sequence, the surface filter is connected with a mixing tank, the top of the mixing tank is connected with a flocculant storage tank through a metering pump, and the bottom of the mixing tank is connected with a sludge collecting tank. According to the utility model, the reaction tank and the surface filter are alternately circulated for desiliconization, so that the desiliconization efficiency is high; the surface filter is high in filtering precision, adjustable, small in equipment size and free of site limitation, multi-stage filtering can be flexibly set according to conditions, and the requirements for iron oxide powder of different quality grades are better met; a sedimentation tank does not need to be built, and the occupied area and economic investment are reduced; a flocculating agent can be proportionally added into the mixing tank according to the sludge amount, so that the use amount of the flocculating agent is greatly reduced, and the device has a wide application prospect.
Owner:SHANGHAI BAOAO IND TECH SERVICE CO LTD

Peanut oil precision filtering equipment

The utility model relates to the technical field of peanut oil production and processing, in particular to peanut oil precision filtering equipment which comprises a machine shell with a semicircular section, a plurality of filtering bins are arranged in the machine shell, the lower ends of the adjacent filtering bins are in a through state and are provided with filtering plates, and the filtering precision of the filtering plates is sequentially increased. A universal driving shaft is rotationally mounted in the middle of the shell corresponding to the filtering bin; a matched motor is mounted at one end of the shell corresponding to the universal driving shaft; peanut oil is sequentially filtered by the filtering plates when flowing through the filtering bins, the filtering precision is sequentially improved, so that the peanut oil finally flowing out is clear and bright, impurities in the filtering bins can be specifically fished out through the front containing grooves and the rear containing grooves in the upper surfaces and the lower surfaces of the fishing plates, and the peanut oil filtering efficiency is improved. Therefore, people can conveniently clean impurities contained on the fishing plate from the opening of the filtering bin, and normal filtering operation of the equipment is not affected in the process.
Owner:GUANGDONG HUILI HAO PEANUT OIL FOOD CO LTD

Anti-blocking screen pipe

The utility model discloses an anti-blocking sieve tube, which belongs to the technical field of sieve tubes and comprises a base tube, a plurality of filter holes are arranged on the base tube, an inner support sleeve is sleeved outside the base tube and made of elastic deformation materials, a bottom support diffusion layer is sleeved outside the inner support sleeve, and the bottom support diffusion layer is made of elastic deformation materials. A metal sintered felt filtering layer is arranged outside the bottom supporting diffusion layer in a sleeving manner; according to the utility model, the inner supporting sleeve is arranged, and the inner supporting sleeve is made of an elastic deformation material, so that when fluid passes through the filtering sleeve which is the filtering hole, the inner supporting sleeve is deformed due to the increase of the borne pressure when the overflowing hole in the inner supporting sleeve is blocked by dirt, and the overflowing hole in the inner supporting sleeve is pressurized, expanded and enlarged; therefore, blockages can be smoothly discharged, overflowing is recovered, the anti-blocking effect of filtering and circulating fluid in the base pipe is achieved, and the filtering and blocking effect on stratum sand is guaranteed.
Owner:BEIJING HUANNENG TECH DEV CO LTD

Dust filtering device for construction engineering

The invention relates to the technical field of environmental engineering, and discloses a dust filtering device for construction engineering, the dust filtering device comprises a base, the bottom of the base is fixedly connected with a supporting block, a water tank and a collecting tank, the left side of the water tank is fixedly connected with a water pipe, and the output end of the water pipe is fixedly connected with an air inlet filtering mechanism; the right side of the air inlet filtering mechanism is fixedly connected with a filtering box, the top of the filtering box is fixedly connected with a rotary positioning mechanism, the right side of the filtering box is fixedly connected with a rotary dust remover, the outer surface of the rotary positioning mechanism is fixedly connected with a filter screen cleaning mechanism, and the top of the water tank is fixedly connected with a first filtering groove. The top of the supporting block is fixedly connected with a second filtering groove, primary filtering is immediately carried out after air inlet, damage of large particles to a follow-up filter screen is reduced, dust is sprayed through a nozzle, direct impact of the dust to an impeller is reduced, and dust cleaning is simpler and rapider through overall inclined placement.
Owner:SHANDONG HUIRI CONSTR ENG CO LTD

Anti-backflow air filter

The utility model belongs to the technical field of air purification, and particularly relates to an anti-backflow air filter which comprises a filter cylinder, the filter cylinder comprises a wave piece, the wave piece is arranged to be tubular, fixing heads are arranged at the two ends of the wave piece, a communicating piece is connected to the fixing head arranged at one end in an inserted mode, and the other end of the communicating piece is connected with a connecting rod. The fixing head arranged at the other end is connected with a sealing piece, the top of the sealing piece is connected with an inner filtering piece, and the inner filtering piece is located in the wavy piece. The anti-backflow air filter comprises an air inlet pipe, a reducer pipe, a duckbilled piece, a wave piece, an inner filter piece and other key assemblies. To-be-purified air firstly enters the reducer pipe through the air inlet pipe; due to the design of the reducer pipe, the air flow direction is more concentrated, so that the filtering efficiency is improved; the duckbilled piece is located at the bottom of the reducer pipe, and the unique design of the duckbilled piece can effectively prevent filtered particles from flowing back and falling off.
Owner:XINXIANG YONGCHANG PURIFIER CO LTD

Welding arc light filtering method based on generative adversarial network

The invention relates to the technical field of industrial image processing, in particular to a welding arc light filtering method based on a generative adversarial network. The method comprises the following steps: acquiring a robot welding image, and generating gray-scale maps and edge maps of an arc light image and a non-arc light image by using a Canny edge detection algorithm to obtain an initial edge map and a gray-scale map sequence; based on the initial edge image and the gray-scale image sequence, training an edge enhancement network, and generating a complete edge image through adversarial loss and L1 loss; inputting the complete edge image and the arc light image into an arc light filtering network, filtering and reconstructing the texture of an arc light area by using a residual convolution block attention module, and generating a non-arc light image; and based on the non-arc light image and the complete edge image, performing evaluation by using image quality evaluation indexes such as SSIM and PSNR, and generating image quality feedback. The method can effectively recover the detail texture of the arc light area, and improves the visual monitoring quality.
Owner:WUHAN LEISHEN SPECIAL EQUIP +1

Dustproof screw air compressor

The utility model discloses a dustproof screw air compressor, which relates to the field of flange processing and comprises a compressor body, four through holes are arranged at the top of one side of the compressor body, an air inlet seat is fixedly mounted at the top of the compressor body, an air inlet pipe is fixedly connected to the inner wall of the air inlet seat, and an air outlet pipe is fixedly connected to the inner wall of the air inlet pipe. A lower mounting plate is fixedly mounted at the top of the air inlet pipe, and a filter box is movably mounted at the top of the lower mounting plate. By arranging a communicating pipe and a filter box, air entering the air compressor can be filtered multiple times, the dustproof effect is achieved, a groove and a sliding groove are formed, a first filter plate, a second filter plate and a third filter plate can be detached to be cleaned or replaced, the subsequent dustproof efficiency and quality are improved, and a second bolt is arranged, so that the dustproof effect is improved. And meanwhile, a first bolt and a pulling plate are arranged, so that the filter box and the air inlet pipe can be detached, and subsequent maintenance or inspection and the like of the air compressor are facilitated.
Owner:LUOYANG BOYANRUI TECHNOLOGY CO LTD

Multi-stage bag type filtration system

ActiveCN222550424Ueasy to useIncrease the number of filtersStructural engineeringFiltration technique
The utility model relates to the technical field of waste gas filtering, in particular to a multi-stage bag type filtering system which comprises a main body, a filtering assembly is mounted in the main body and comprises a first mounting plate, the upper surface of the first mounting plate is fixedly connected with a second mounting plate, and the upper end of the second mounting plate is fixedly connected with a third mounting plate. A fixing frame is arranged on the surface of the third mounting plate, a filter bag is fixedly connected to the inner surface of the fixing frame, a first bolt is fixedly connected to the surface of the second mounting plate, a first pressing block is movably connected to the outer surface of the first bolt, a first nut is in threaded connection to the outer surface of the first bolt, and a second bolt is fixedly connected to the surface of the third mounting plate; the outer surface of the second bolt is movably connected with a second pressing block, and the outer surface of the second bolt is in threaded connection with a second nut. According to the utility model, waste gas can be filtered in a grading manner, the filtering frequency of the waste gas is increased, the filtering precision is improved, and the bag type filtering system is convenient to use.
Owner:CHONGQING FANGHE ENVIRONMENTAL PROTECTION TECH CO LTD

Large-flow low-pressure-difference small-size self-cleaning air filter

The utility model relates to the field of air purification, and particularly discloses a high-flow low-pressure-difference small-size self-cleaning air filter which comprises a shell, a plate type filter element, a sealing element, a controller, a pressure difference switch, a bearing seat, a reciprocating screw rod, a chain wheel unit, a strip-shaped nozzle, an energy storage unit and a pressure guide hose, the two plate type filter elements are fixedly connected with the shell respectively, the two bearing seats are fixedly connected with the shell respectively, the two ends of the reciprocating screw rod are embedded into the corresponding bearing seats respectively, the two ends of the pressure guide hose are communicated with the strip-shaped nozzle and the output end of the energy storage unit respectively, the controller is fixedly connected with the shell, and the differential pressure switch is fixedly connected with the shell. And each group of sealing elements are respectively arranged on the peripheral side of the corresponding plate type filter element. The air filter element can be self-cleaned in the running process of equipment, and the air filter element has the advantages of being smaller in size, larger in air inlet amount, lower in air inlet pressure loss, higher in filtering precision and better in automation degree.
Owner:JIANGSU FENGXING POWER TECH CO LTD

Building roof greening and rainwater recycling irrigation system

The invention relates to the technical field of building roof greening, and discloses a building roof greening and rainwater recycling irrigation system which comprises a microcontroller, a greening module arranged on a building roof, a rainwater recycling module connected with the greening module and an irrigation module. The microcontroller is electrically connected with the greening module, the rainwater recycling module and the irrigation module; the greening module sequentially comprises a water collecting layer, a filtering layer, a protective layer, a pervious concrete layer, a nutrient soil layer and a vegetation layer from bottom to top. The rainwater recycling module comprises a water pumping pipe arranged at the top of the side wall of the water collecting layer and a rainwater recycling box connected with the water pumping pipe; the rainwater recycling box comprises a first filter box, a second filter box, a disinfection box and a clear water box which are sequentially arranged from top to bottom; the irrigation module comprises a first water suction pump connected with the clear water tank, a water outlet pipe connected with the first water suction pump, a water conveying pipe connected with the water outlet pipe, a drip irrigation pipe connected with the water conveying pipe and a water dropper. By means of the system, maximum utilization of rainwater resources and continuous improvement of the ecological environment are achieved.
Owner:杨欢欢

Filtering device for recycling chinlon spinning oil and using method of filtering device

InactiveCN119113629Ashort stayLighten the burden of filtrationFiltration circuitsOil canParticulates
The invention discloses a filtering device for chinlon spinning oil recovery and a using method thereof, and relates to the technical field of chinlon spinning, the filtering device comprises a filtering bin, a purifying and recovering frame and a particle turning seat, the top end of the particle turning seat is provided with a particle impurity filtering frame through a rotating shaft, and the inner side of the particle impurity filtering frame is provided with an inclined filtering assembly; and the preliminary filter plate is movably mounted on the inner side of the inclined slot. According to the spinning oil filtering device, the preliminary filtering plate is movably mounted on the inner side of the inclined inserting groove, spinning oil is preliminarily filtered by the filtering grating after entering the filtering bin, and the preliminary filtering plate is obliquely mounted in the particle impurity filtering frame, so that the oil can smoothly pass through the preliminary filtering plate; the standing time of the oiling agent in the particle impurity filtering frame is shortened, so that the filtering speed is increased, the inclined preliminary filtering plate enables the oiling agent to pass through the particle impurity filtering frame more dispersedly, the risk of local blockage is reduced, the overall filtering speed is increased, the filtering precision is improved step by step, and the purity of the spinning oiling agent is ensured.
Owner:NANTONG HONGXIANG CHEM FIBER CO LTD

Multi-stage adjustable fiber bundle filter

The invention discloses a multistage adjustable fiber bundle filter which comprises a filter tank body, the filter tank body comprises a straight cylinder section, an upper seal head is arranged at a top opening of the straight cylinder section, a lower seal head is arranged at a bottom opening of the straight cylinder section, and N fiber filter material layers which are sequentially distributed from top to bottom are arranged in the straight cylinder section, each fiber filter material layer comprises a movable filter pore plate, a fiber filter material and a fixed filter pore plate which are sequentially distributed from top to bottom, the periphery of the fixed filter pore plate is fixed on the inner wall of the straight cylinder section, and the upper sealing head is provided with a driving device for driving the movable filter pore plate to move up and down. The filter can achieve ideal filtering precision, and can meet the use scenes with poor inlet water quality and high filtering precision requirements.
Owner:XIAN TPRI WATER & ENVIRONMENTAL PROTECTION +1

Comprehensive wastewater deep circulation treatment water-saving system for power plant

The utility model relates to the technical field of power plant comprehensive wastewater treatment, in particular to a power plant comprehensive wastewater deep circulation treatment water-saving system which comprises a wastewater buffer pool. A chemical crystallization granulation fluidized bed, a steel clarifier, a clean water tank, a high-efficiency fiber filter, an ultrafiltration device, an ultrafiltration water production tank, a reverse osmosis device and a reuse water tank are in fluid communication with a water outlet of the wastewater buffer tank in the water flow direction, the reverse osmosis device is provided with a first water discharge pipe and a second water production pipe, and the first water discharge pipe is connected with a desulfurization system; the second water producing pipe is connected with a recycling water tank, and the recycling water tank is connected with a recycling system through a pipeline. A softening and clarifying pretreatment mode is adopted, so that the removal rate of SS (suspended solids) reaches up to 80-90%, and the SS content of effluent is kept below 10mg / L; the removal rate of COD (chemical oxygen demand) can reach 20-30%; the hardness removal rate reaches up to 80%-90%, and the effluent hardness is kept below 20 mg / L; in addition, calcium fluoride is generated while hardness is removed, and most fluorine ions can be removed.
Owner:JINAN SHANYUAN ELECTRIC POWER EQUIP

Drying equipment

The utility model relates to the technical field of clothes processing equipment, in particular to drying equipment, and aims to solve the problems that when clothes with more thread scraps are dried by the existing drying equipment, the thread scraps block an air duct, so that air flow circulation is not smooth, and the drying efficiency is seriously influenced. In order to achieve the purpose, the drying equipment comprises a barrel module, a barrel module, a heat exchanger, a heat exchanger and a heat exchanger, wherein the barrel module is provided with an air inlet and an air outlet; the two ends of the drying air duct communicate with the air inlet and the air outlet correspondingly; and the first filter screen is arranged at the air inlet end of the drying air duct or in the air outlet. The first filter screen is installed at the air inlet end of the drying air channel or in the air outlet of the cylinder module, so that thread scraps entering the drying air channel can be reduced, airflow can smoothly flow in the drying air channel, and drying efficiency is improved.
Owner:QINGDAO HAIER DRUM WASHING MACHINE CO LTD

Filtering device for recycling wire drawing liquid

The utility model relates to a filtering device for recycling wire drawing liquid, which comprises a cylinder shell capable of completing multiple filtering of the wire drawing liquid in sections, the cylinder shell comprises a coarse filtering shell positioned at the axial upper section, a connecting guide shell positioned at the axial middle section and a fine filtering shell positioned at the axial lower section, a coarse filtering assembly, an adjustable communicating pipeline and a fine filtering assembly are respectively arranged in the coarse filtering shell, the connecting guide shell and the fine filtering shell which are connected in sequence, and the coarse filtering assembly and the fine filtering assembly are used for purifying the wire drawing liquid in a manner of constructing a two-stage filtering structure; the fine filtering assembly synchronously completes uninterrupted fine filtering and filter residue cleaning in a partitioned filtering manner; the axial upper end surface and the axial lower end surface of the cylinder shell are respectively provided with a flow inlet and a flow outlet which are used for limiting the inflow and the outflow of wire drawing liquid. The wire drawing liquid filtering device can continuously and continuously perform efficient and high-quality multiple filtering on the wire drawing liquid.
Owner:DEYANG KOVI ELECTROMECHANICAL DEVICE CO LTD

Corundum mullite ceramic filter plate and preparation method thereof

The invention relates to the technical field of filtration and purification of special ceramics and aluminum industrial melts, and discloses a corundum-mullite ceramic filter plate and a preparation method of the corundum-mullite ceramic filter plate. Comprising the following components in parts by weight: 30-50 parts of corundum, 3-7 parts of silica fume, 10-15 parts of kyanite, 10-15 parts of activated alumina powder, 3-5 parts of borax, 8-16 parts of silica sol, 0.5-1.5 parts of citric acid and 0.1-0.3 part of a sintering aid. In the formula system, mullite and aluminum borate which are synthesized under high-temperature sintering are used as binding agents of inert materials, and the binding agents are not subjected to erosion reaction with alloy elements in high-temperature molten aluminum and have good mechanical strength and thermal shock performance; the kyanite part generates volume micro-expansion after being subjected to mullitization, a special structure is formed in an internal pore channel structure of the ceramic filter plate, impurity components in high-temperature molten aluminum can be adsorbed, and the filter precision of the ceramic filter plate is improved.
Owner:ADTECH METALLURGICAL MATERIALS CO

Three-layer step grading filter

The utility model discloses a three-layer step grading filter which comprises a first filter screen, the upper surface of the first filter screen is fixedly connected with a first end head cover, the inner side of the first end head cover is in threaded connection with a second end head cover, and the lower surface of the second end head cover is fixedly connected with a second filter screen. And the inner surface of the second end cover is in threaded connection with a third end cover. According to the utility model, three layers of filter structures are set according to the sizes of the impurities in the air by designing three stages of filter screens, so that the filtering precision of the filter material is set in a targeted manner for each layer, the purpose of higher filtering precision is achieved, and the impurities with different volumes can be filtered by designing different filtering precision of each layer. The end covers are designed, so that the aim of prolonging the service life of the filter is fulfilled, the end covers can be separately replaced according to the actual use condition of each layer, and the aim of prolonging the service life is fulfilled.
Owner:HUIZHOU COMVIKIN BIOTECHNOLOGY CO LTD

A magnetically suspended centrifugal compressor

The present invention discloses a magnetic levitation centrifugal compressor, which belongs to the field of compressor equipment, including a magnetic levitation motor assembly, wherein an interpolar cooling device is connected between a primary volute and a secondary volute at both ends of the magnetic levitation motor assembly through a first air pipe and a second air pipe; the air inlet diameter of the first air pipe is the same as the air outlet diameter of the second air pipe. The air inlet diameter of the first air pipe and the air outlet diameter of the second air pipe are the same or as close as possible to minimize noise reduction, and the interpolar cooling device of the first air pipe and the second air pipe can cool the air compressed for the first time, which can effectively reduce the temperature of the compressed air, thereby reducing the pressure of the gas flowing into the second air pipe, and can also effectively reduce the pressure difference between the intake air pressure and the exhaust air pressure, which is beneficial to noise reduction. In addition, the present invention has lower energy consumption, high air filtration accuracy, and a balanced structure of the internal rotating shaft of the compressor, which can reach a higher rotation speed, and better gas compression effect and product quality.
Owner:XINLEI COMPRESSOR CO LTD

Microporous ceramic tube for filtering equipment

The utility model discloses a microporous ceramic tube for filtering equipment. The microporous ceramic tube comprises a mounting seat, the number of the mounting seats is two, clamping grooves which are uniformly distributed are formed in the opposite inner side surfaces of the two mounting seats, a ceramic filter pipe I is clamped between two clamping grooves which are vertically adjacent to each other on the outer side, a ceramic filter pipe II is clamped between two clamping grooves which are vertically adjacent to each other on the inner side, and extension seats which are uniformly distributed are arranged on the outer sides of the mounting seats; stretching seats are arranged on the sides, close to the center of the first ceramic filter pipe, of the extending seats through first telescopic columns, locking rods are slidably connected to the middles of the stretching seats, locking holes which are evenly distributed are formed in the outer side of the first ceramic filter pipe, and the locking rods are connected with the adjacent locking holes in an inserted mode. Double-layer filtering is adopted, so that objects in the filtering equipment are filtered step by step, then the filtering precision of the device on the objects is improved, meanwhile, the ceramic filtering pipe at the filtering part is limited through elastic insertion, and later disassembly and cleaning operation is convenient.
Owner:赵蕊

Composite grinding machine processing fluid treatment device with mixed classification and layer-by-layer filtration

The present invention belongs to a mixed, graded and layer-by-layer filtered composite grinder processing fluid treatment device, including a composite grinder fluid tank, characterized in that a filter paper box is installed on the upper left rear part of the fluid tank, the filter paper is transported to the top of the waste paper box by a TCCT50L paper belt filter conveyor, a TCCF‑150 magnetic separator is installed on the front side of the TCCT50L paper belt filter conveyor, a plurality of pumps are installed on the rear end of the middle and right side of the fluid tank, and filter liquid tank one, filter liquid tank two and filter liquid tank three are installed in front of the pump from left to right; drain pipe four is connected to the composite grinder fluid tank. The present invention has high filtering accuracy for grinder processing fluid, is beneficial to improving the quality of workpieces, prolongs the service life of the filter, saves lubricating fluid, reduces processing costs, and improves the production environment.
Owner:KAIQI PRECISION MASCH (LIAONING) CO LTD

Recycling device for waste electrolyte of lithium ion battery

The utility model relates to a recycling device for waste electrolyte of a lithium ion battery, and belongs to the technical field of lithium battery processing. A cover plate is detachably mounted at the top end of the filter, a long rod is inserted into the inner wall of the filter, an insertion block is inserted into the inner wall of the long rod, a guide rod is fixedly connected to the inner wall of the insertion block, a limiting mechanism is arranged on the inner wall of the insertion block, a clamping groove is formed in the inner wall of the long rod, and a filter screen is fixedly connected to the outer wall of the insertion block. An adjusting assembly is arranged on the outer wall of the filter, and the limiting mechanism comprises an inclined plate. According to the utility model, a plurality of filter screens are adopted to carry out graded filtration on the lithium battery electrolyte, so that the filtration precision can be effectively improved, impurities can be accurately removed, and when the filter screens need to be replaced or cleaned, the long rod, the separation inclined plate and the clamping groove can be easily moved out, so that the rapid replacement of the single filter screen is realized, and the maintenance time and cost are greatly reduced; the continuous and efficient operation of the filtering process is ensured.
Owner:山东丰融新材料有限公司

An industrial processing fluid filtration system using the principle of condensation and diversion.

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.
Owner:鸟居 达也

Filter cloth capable of being assembled

The filter cloth capable of being assembled comprises a bottom frame of a round structure, a matched top frame is arranged above the bottom frame, a filter cloth body is clamped between the bottom frame and the top frame, round water passing openings are formed in the bottom frame and the top frame, an annular clamping groove is formed in the upper wall of the bottom frame, and the annular clamping groove is communicated with the annular water passing opening. The utility model relates to the technical field of filter cloth, due to the design of the bottom frame, the top frame and the filter cloth body, the filter cloth can be conveniently assembled and disassembled, when a certain part of the filter cloth body is damaged, the filter cloth body can be conveniently disassembled, and the filter cloth body can be conveniently assembled and disassembled. Compared with the prior art, only the filter cloth of the corresponding part needs to be replaced, overall replacement is not needed, cost is saved, meanwhile, the filter cloth bodies of different specifications can be selected according to different filtering requirements, flexible adjustment of the filter cloth is achieved through assembly of the bottom frame and the top frame, and the applicability of the filter cloth is improved.
Owner:LIAONING TIANZE IND GRP TEXTILE CO LTD