21results about How to "Guaranteed filtration accuracy" patented technology

The utility model relates to cutting fluid supply and return technical field discloses a kind of cutting fluid centralized supply and return device, including liquid supply tank, the right side of the liquid supply tank is fixedly connected with shunt tank, the upper surface of the liquid supply tank is fixedly connected with first cutting fluid pump, the output end of the first cutting fluid pump is fixedly communicated with supply pipeline, the outer surface of the supply pipeline is fixedly communicated with first flow control valve, the device is by setting first filter pipeline, second filter pipeline and filter drum, built-in with semicircle clamping groove clamping coarse, fine filter screen, cooperate second turbidity sensor, third cutting fluid pump and second cutting fluid pump, when detecting that filtering is substandard, PLC programmable controller closes second cutting fluid pump, opens third cutting fluid pump, makes that substandard cutting fluid is guided back to back liquid main pipe circulation filtering by backflow pipe, avoid impurity residue, ensure that cutting fluid is clean, solve single filtration cannot secondary processing problem, reduce tool wear and workpiece scratch.

The embodiment of the invention provides a pressure filter structure, a lubricating system and fuel oil equipment, and the pressure filter structure comprises a bypass valve which is provided with a containing cavity; and the filtering assembly comprises a filtering piece and a fixing piece, the filtering piece is arranged in an inner cavity of the fixing piece, the fixing piece is connected with the bypass valve, the oil sequentially penetrates through the fixing piece, the filtering piece and the bypass valve and then flows out of the bottom of the containing cavity, and / or the oil sequentially penetrates through the bypass valve and then flows out of the bottom of the containing cavity. The fixing piece can prevent at least part of impurities from impacting the filtering piece along with the oil liquid, so that the filtering piece is protected from being damaged by the impurities, the filtering efficiency is guaranteed, in the oil duct design and the shell design, an oil duct outlet can directly face the filtering piece, the filtering efficiency is improved, and the service life of the oil duct is prolonged. An oil baffle plate structure does not need to be designed, so that oil duct design and shell design are facilitated, the cost can be saved, the service life of a filtering piece can be prolonged, and the reliability is improved.

This utility model relates to the field of injection molding nozzle technology and discloses a filter device for injection molding machine nozzles, including an injection tube and an injection nozzle. A connecting seat is fixedly installed on the outer edge of the injection tube at the end away from the injection nozzle. An external thread is formed on the outer edge of the injection tube at the end away from the injection nozzle. A limiting groove is formed on the inner wall of the injection tube away from the connecting seat. A filter assembly is set on the injection tube through the limiting groove. The filter assembly includes a filter sleeve, and a through groove and a filter groove are formed on the outer edge of the filter sleeve. This filter device for injection molding machine nozzles, through the design of a sliding ring, can be driven to reciprocate by the pressure. Subsequently, a connecting rod can drive a scraper to reciprocate along the inner wall of the filter sleeve. Utilizing the adhesion characteristics of the scraper to the inner wall of the filter sleeve, impurities attached to the vicinity of the filter groove are scraped off in time, preventing the filter groove from clogging. This avoids the need for additional motors and mechanical seals, which would easily lead to higher costs and be inconvenient for widespread use.

The utility model discloses an anti-blocking engine oil filter which comprises an outer shell, the top of the outer shell is detachably connected with a top cover through threads, the top cover is provided with a plurality of oil inlet pipes, the inner sides of the oil inlet pipes are provided with spiral flow guide channels, the middle position of the top cover is provided with an oil outlet, and the lower side of the top cover is fixedly provided with a connecting ring. The lower side of the connecting ring is connected with a multi-filtering mechanism, the multi-filtering mechanism comprises an inner filter element framework, a middle filter element framework, an outer filter element framework, an inner-layer filter element, a middle-layer filter element and an outer-layer filter element, the inner filter element framework, the middle filter element framework and the outer filter element framework are all fixed with the connecting ring, the inner-layer filter element is fixedly mounted on the outer side of the inner filter element framework, and the outer-layer filter element is fixedly mounted on the outer side of the middle-layer filter element framework. A middle-layer filter element is fixedly mounted on the outer side of the middle filter element framework, and an outer-layer filter element is fixedly mounted on the outer side of the outer filter element framework. According to the utility model, impurities directly accumulated on the filter elements are reduced through the centrifugal effect, and then the quantity of impurities on each layer of filter element is reduced through multi-layer filtration, so that the risk of overall blockage is reduced.

The invention relates to the technical field of oil and gas exploration and exploitation, and discloses a mud filtering device suitable for large-displacement well hydraulic auxiliary extension, which comprises a mounting base, a backflow inner cylinder is sleeved in the center of the interior of the mounting base, and a slag separation conical disc is sleeved on the outer wall of the middle part of the mounting base; the bottom of the slag separating conical disc is provided with a slag discharging cylinder cover connected with the outer wall of the bottom of the mounting base in a sleeving mode. The durability and efficiency of equipment are improved by buffering mud impact, reducing pressure, preventing erosion, guiding spiral flow, protecting components, accelerating filtration and improving the durability and efficiency of the equipment; relevant component combinations are used for timely cleaning retained impurities, the filtering precision and process are guaranteed, and stable operation of the filter is maintained; a sensor and a supervisory system are arranged, use time data are collected and analyzed, filtering coefficients are calculated and compared, the filtering state can be automatically judged, slag can be automatically discharged when the filtering state is abnormal, the burden of personnel is relieved, and the stability and efficiency of production operation are improved.

The application relates to the technical field of sewage treatment, in particular to a wastewater treatment device based on electrolytic lead resource utilization. The device comprises a mounting base, a sewage treatment box body is fixedly installed at the upper end of the mounting base, a sealing plate is installed at the upper end of the sewage treatment box body, a distribution box is fixedly installed at the front end of the sewage treatment box body, and a water inlet pipeline is connected to the front end of the sewage treatment box body. A pretreatment pool is arranged in the sewage treatment box body, a reaction pool is arranged in the sewage treatment box body, the reaction pool is in interpenetration with the pretreatment pool through a water conveying pipeline, an anaerobic pool and an aerobic pool are arranged in the sewage treatment box body, a filter core body is fixedly installed in the reaction pool, and the reaction pool is in interpenetration with the anaerobic pool and the aerobic pool through a pipeline on the filter core body. The automatic cleaning filter core, the hydraulic linkage filter screen cleaning and the stirring disturbance water body are matched, the device can effectively prevent blockage and ensure smoothness, and the electrolytic lead wastewater precipitation purification effect and operation stability are improved.

The utility model relates to the technical field of oxygen-free copper rod processing, in particular to a melt purification mechanism for oxygen-free copper rod processing, which comprises a refining furnace body, a stirring component is arranged in the refining furnace body, the stirring component comprises a stirring shaft and a plurality of stirring blades, and a stirring motor for driving the stirring shaft to rotate is arranged at the top of the refining furnace body; a degassing assembly is arranged in the refining furnace body and comprises a plurality of degassing pipes, each degassing pipe is provided with a plurality of evenly-distributed air nozzles, and the degassing pipes are connected with an inert gas source through pipelines. A filter box is arranged below the refining furnace body, a multi-stage filter assembly is arranged in the filter box, and the multi-stage filter assembly comprises a coarse filter screen, a middle filter screen and a fine filter screen which are sequentially arranged from top to bottom; a cleaning assembly is arranged at the top of the filter box and comprises a plurality of cleaning brushes, and the cleaning brushes are correspondingly arranged over the coarse filter screen, the medium filter screen and the fine filter screen respectively; through the synergistic effect of stirring, degassing, multi-stage filtering and automatic control links, the purification efficiency and quality of the oxygen-free copper melt are improved.

This utility model relates to the field of drilling equipment technology, specifically a water-cooled drilling device for castings, used for drilling holes in castings. It includes a drilling device, a fixed base, a chip removal spray gun, a collection frame, a liquid collection chamber, a filter screen, mounting components, and a sealing component. This utility model, by setting up an external cooling unit, an internal cooling unit, and a chip removal spray gun, can promptly clean debris when the casting area is too large. The collection frame and liquid collection chamber around the fixed base effectively collect the used coolant, facilitating subsequent cleaning of the drilling platform. The filter screen in the liquid collection chamber filters the collected coolant. The mounting components facilitate the installation and removal of the filter screen. The sealing component effectively blocks unfiltered coolant when replacing the filter screen, ensuring the filtration accuracy of the coolant. The filtered coolant is then used in the external cooling unit and the chip removal spray gun, reducing coolant usage costs to some extent.

The invention relates to the field of electrode wire cutting technology, and specifically provides an automobile hardware mold wire cutting processing device and a method for using the device, comprising a cutting machine tool body and a cutting liquid cooling box, wherein a coordinate workbench and a wire rack are installed on the surface of the cutting machine tool body, the wire rack is penetrated and installed with an electrode wire, and the wire rack is located at the upper end of the coordinate workbench, the bottom of the coordinate workbench is connected to the cutting liquid cooling box through a liquid outlet pipe, and the cutting liquid cooling box is also connected to a liquid inlet pipe, and the other end of the liquid inlet pipe is connected to the wire rack; the invention uses multi-stage filtration to filter different impurity types respectively, and has targeted filtration, and the setting of graded filtration can also reduce the burden of filtration, and the filtration is more targeted.

The invention provides a stirring-free thickener, and belongs to the technical field of thickeners. The device comprises: an external beveling feeding device, which performs feeding in a beveling manner and is used for washing off filter cakes on the walls of a plurality of filter pipes so as to ensure that the materials are not caked under rapid washing and can react rapidly and fully; the internal circulation beveling feeding device is used for feeding in a beveling manner and is used for internally circulating materials in the thickener, so that the materials are fully dispersed under high-pressure circulation, and the materials in the thickener are not quickly settled and agglomerated and are fully reacted. The internal circulation is arranged in the barrel of the thickener, and external feeding and internal circulation adopt a beveling feeding mode, so that materials are not quickly settled and agglomerated, and the reaction is sufficient. The production efficiency and the yield can be improved.

The utility model discloses a kind of epoxy glue production multistage filtering devices, including device lower seat, first filter seat, second filter seat and cover plate;The lower portion of the first filter seat is provided with first sealing seat, and the lower portion of second filter seat is provided with second sealing seat;The first filter seat is set in the upper portion of device lower seat by first sealing seat, and second filter seat is set in the upper portion of first filter seat by second sealing seat;The cover plate is covered in the upper portion of second filter seat, and cover plate is provided with feed inlet.The utility model device main body is connected by electric telescopic link between each other;Realized the independent of each level, fast opening and closing;This greatly facilitates the cleaning, replacement, overhaul of filter screen and maintenance of device, without integral disassembly, significantly improve maintenance efficiency, reduce downtime.

The utility model provides a self-cleaning filtering device for soybean oil production. The self-cleaning filtering device comprises an equipment assembly, a filtering assembly is arranged at the inner end of the equipment assembly, a self-cleaning assembly is arranged at the upper end of the filtering assembly, and a linkage assembly is arranged below the self-cleaning assembly. The equipment assembly comprises an oil filtering frame, an oil outlet valve opening is fixedly connected to the lower portion of the front end of the oil filtering frame, a sealing tank cover is installed at the upper end of the oil filtering frame, clamping rotating rods are arranged at the four corners of the outer end of the sealing tank cover, the filtering assembly comprises a filtering screen plate, and the filtering screen plate is arranged on the upper side of the inner end of the oil filtering frame. By arranging the equipment assembly and the filtering assembly, all-directional cleaning of the interior of the device is formed, after self-cleaning, the residual quantity of impurities in the device is greatly reduced, the pressure of the subsequent water liquid cleaning procedure is effectively relieved, and the use amount of a cleaning agent and the generation amount of waste water are reduced.

The utility model discloses a blending device for lubricating oil processing relates to lubricating oil processing technical field, including jar body, the top fixedly connected with fixed disc of jar body, the bottom rotationally connected with main rotary lever of fixed disc, the fixed insertion of main rotary lever has many connection columns, the both ends of a plurality of connection columns all are fixedly connected with same scraper, the top of fixed disc is equipped with the drive mechanism of drive main rotary lever rotation, the bottom fixedly connected with the discharge valve of its inside communication of jar body, the bottom fixedly connected with the fixed frame of its inside communication of discharge valve, the fixed frame inserts and is connected with the fixed frame in. The utility model discloses a main rotary lever and secondary rotary lever linkage stirring cooperation multistage detachable filter system, has improved lubricating oil's mixing evenness and filter precision significantly, is convenient for maintenance simultaneously, has improved production efficiency and product quality effectively.

The utility model relates to the field of machining, in particular to a cooling liquid filtering device, which comprises a liquid inlet pipe, a liquid outlet pipe, a liquid outlet pipe and a liquid outlet pipe, a conical filter is arranged in the first-stage filter pipe, the bottom edge of the conical filter is tightly connected with the inner wall of the first-stage filter pipe, and a through hole is formed in the top of the conical filter; a filter screen is arranged in the secondary filter pipe; the liquid inlet pipe, the first-stage filter pipe and the second-stage filter pipe are sequentially connected from top to bottom. The cooling liquid filtering device provided by the utility model is ingenious and simple in structural design, is beneficial to maintenance and replacement while ensuring the filtering precision, and reduces the cost.

A method for preparing a filter element for a water purifier, a filter element and a water purifier, belonging to the technical field of filter medium preparation methods. The preparation method includes the following steps: (S.1): mixing titanium alloy powder, a binder and a plasticizer, and heating and stirring the mixture to obtain a mixed material; (S.2): granulating the mixed material and forming it into a filter element blank; (S.3): degreasing the filter element blank; (S.4): sintering the degreased filter element blank, the sintering temperature is 800~1200℃, and the sintering time is 0.5~0.8 hours. The titanium alloy filter element described in the technical solution of the present invention obtains the effect of smaller filtration resistance while ensuring the filtration accuracy, and at the same time has the filter element strength.

The present invention discloses a factory high-temperature waste gas treatment device, which belongs to the technical field of waste gas treatment, and comprises a box body, wherein the inside of the box body is divided into an inner cavity and an outer cavity by an annular plate, the inner cavity is further divided into a cooling chamber and an air suction chamber by an inner partition plate, and the outer cavity is further divided into a solid filter chamber and an adsorption chamber by an outer partition plate, a motor and an air inlet device are installed on the top of the box body, a driving rod is fixed on the bottom of the motor, and the driving rod penetrates to the bottom of the inner cavity of the box body, a scale cleaning device is installed in the cooling chamber, an induced draft fan blade is installed in the air suction chamber, a first filter plate driven by the scale cleaning device and a second filter plate driven by the first filter plate are installed in the solid filter chamber, and the two filter plates can be vibrated and brushed respectively under driving, a transmission structure is connected to the bottom of the driving rod, and an exhaust structure and a push plate driven by the transmission structure are installed in the adsorption chamber. The present invention can reduce the cost and energy consumption of the device, and improve the filtering efficiency by using multi-stage filtration and automatic cleaning.

This invention relates to the field of welding fume purification technology, and discloses a welding fume purification system and method for memory module manufacturing. The welding fume purification system for memory module manufacturing includes a welding equipment body with several suction hoods symmetrically distributed on the body. A horizontal pipe is connected to the outlet of each suction hood, and a first vertical pipe is located at the bottom of the horizontal pipe. This welding fume purification system for memory module manufacturing extends the residence time of the fume in the first vertical pipe through staggered diversion plates, allowing it to fully contact the cooled pipe wall and initially reduce the fume temperature. This significantly slows down the oxidation reaction rate between metal oxides and the filter cartridge substrate, reducing the degree of filter cartridge corrosion and extending its service life. Simultaneously, the stable low-temperature environment prevents the filter cartridge from failing to seal due to thermal expansion and contraction, ensuring filtration accuracy while effectively preventing secondary pollution caused by leakage of unfiltered fume.

The utility model relates to machine lubricating technical field, concretely is a kind of oil filtering equipment, including rack, gyro wheel, ordinary grade filter, first precision grade filter, second precision grade filter, oil pump motor, oil pipe and hydraulic gauge, by closed filter loop design, can actively introduce the oil liquid in oil tank into equipment and filter, solve the limitation that only part of oil liquid in oil pipe can be filtered in prior art, can completely remove the foreign matter deposited in oil tank, guarantee oil liquid cleanliness from source, gyro wheel type moving structure makes equipment can be easily moved to the oil tank beside different position, for the filtering demand of large equipment oil tank or multiple oil tanks can be satisfied, use flexibility significantly improves, three grade filters are filtered respectively to large, medium and small particle foreign matter, filtering precision improves gradually, compared with single filter can more comprehensively remove various foreign matters in oil liquid.

The utility model provides a perfluorinated filter element applicable to a high-pH working condition, which belongs to the technical field of liquid filter elements and comprises an outer framework. The inner framework is fixedly connected into the outer framework, and a cavity used for installing the filtering structure is formed between the outer framework and the inner framework; the filtering structure comprises a supporting layer, a filtering membrane and a flow guide layer, the supporting layer, the filtering membrane and the flow guide layer are fixedly connected into the cavity, and the supporting layer, the filtering membrane and the flow guide layer are sequentially arranged from the circumferential surface of the inner framework to the circumferential inner wall of the outer framework; by using the device, fluid is subjected to multi-stage filtration through the filtration structure, the filtration precision is guaranteed, the filter element can be normally used in a high-pH environment through materials used by the device, the fluid flux is kept uniform, the situation that system pressure is increased due to low-flux operation is avoided, and the service life of the filter element is prolonged.

The invention belongs to the technical field of industrial wastewater treatment, and relates to a beer yeast wastewater treatment method and system based on anaerobic ammoniation and ammonium magnesium phosphate precipitation coupling, and the method comprises the following steps: carrying out anaerobic ammoniation treatment on beer yeast raw wastewater to convert organic nitrogen in the beer yeast raw wastewater into ammonia nitrogen so as to obtain high ammonia nitrogen anaerobic effluent; the method comprises the following steps: mixing high-ammonia-nitrogen anaerobic effluent with beer yeast raw wastewater according to a ratio, so that the molar ratio of N to P in the mixed wastewater is (1.1-1.5): 1; adding magnesium oxide and a pH regulator into the mixed wastewater to generate ammonium magnesium phosphate precipitate; pre-coating a diatomite filter aid pre-coating layer on the surface of a rotary drum of the scraper rotary drum filter; and introducing the mixed wastewater in which the ammonium magnesium phosphate precipitate is generated into the scraper drum filter for filtering. According to the treatment method, nitrogen and phosphorus can be efficiently and synchronously removed, suspended solids can be removed, and nitrogen and phosphorus resources can be recycled.

The utility model relates to filter technical field discloses a Y type lamination filter convenient to observe the plugging condition, including the casing, the top fixedly connected with the cross pipe of casing, the lower end of casing is connected with the bottom cover of screw thread, the inside of casing is provided with the lamination filter core, the front fixedly connected with the observation window of casing, the inside of bottom cover is provided with the top pressure mechanism, the top pressure mechanism includes the fixed ring and the movable cover, the inner wall sliding connection of movable cover is in the outer wall of fixed ring, the inner wall of movable cover is connected with the pivot of bearing rotation, in the utility model, the elastic compensation effect of first spring in top pressure mechanism makes the sustained axial compression force of top plate to lamination filter core, and the anti -rotation restraint of guide block and guide hole is combined, effectively solved the problem that the lamination filter core and casing, bottom cover and casing between thread loosening problem caused by pipeline vibration, guarantees the stability and filtering accuracy of filter seal structure.