365 results about "Magnetic filter" patented technology

The present invention relates to a process which allows the removal of microplastics present in aqueous streams by means of the immediate formation of microplastic / magnetic iron material aggregates by means of a Venturi device and the subsequent separation of the formed aggregates by applying a magnetic filter.

The invention discloses a coal tar pretreatment method. According to the method, a magnetic filtering system is included, the magnetic filtering system comprises a magnetic filter, the magnetic filter comprises a magnetic filtering cylinder, multiple layers of magnetic gathering media are arranged in the magnetic filtering cylinder, a magnetic field generating device is arranged outside the magnetic filtering cylinder, and the magnetic field generating device enables a high-gradient magnetic field to be formed in the magnetic filtering cylinder. The method comprises the following steps: heating a coal tar raw material, mixing the heated coal tar raw material with water, a demetallization agent, a flocculant and a magnetic seed, carrying out magnetic filtration, and sequentially carrying out salt leaching, oil-water separation and deep dehydration to obtain refined coal tar. The pretreatment method can effectively remove solid slag, water, salt and metal in the coal tar, and is simple in process flow and low in cost.

A removable magnetic filter device for a smart cat litter box, comprising: a housing; a chamber body arranged inside the housing and rotatably mounted on the housing; a baffle arranged within the chamber body, forming an accommodation cavity between the baffle and the inner wall of the chamber body; a filter screen rotatably mounted on the baffle; a first magnetic attachment component mounted on the baffle; and a second magnetic attachment component mounted on the filter screen. The first and second magnetic attachment components are magnetically attracted to each other.

The utility model discloses a configuration device suitable for small-batch electrolyte, which comprises a configuration kettle and a glove box positioned above the configuration kettle, the upper end part of the configuration kettle is respectively provided with a solid material feed port, a liquid material feed port and a nitrogen injection interface, and the bottom of the configuration kettle is provided with a discharge port; wherein the solid material inlet is connected with a charging hopper of the glove box; a spraying head is inserted into the liquid material inlet, and a rotary spraying ball is arranged in the spraying head; the discharge hole is sequentially connected with a magnetic filter and a liquid filter; according to the utility model, a small batch of electrolyte with various formulas can be efficiently prepared in a short time, the material loss is low, the rinsing time is short, and the flexibility and adaptability are stronger.

The utility model provides a novel injection pump and belongs to the technical field of water pumps. The problems that an existing injection pump lacks a filtering structure, and use is affected are solved. The novel injection pump comprises a valve body with an air inlet and a steam inlet, a filter device is arranged at the air inlet, and the filter device is composed of a built-in mounting sleeve, a filter framework positioned at the top of the built-in mounting sleeve and a filter screen fixed in the filter framework. A plurality of groups of magnetic filtering assemblies consisting of a plurality of magnetic rings are arranged in the filtering device, a connecting hole is formed in each magnetic ring, a supporting sleeve is arranged in each connecting hole, the end part of each supporting sleeve extends outwards to form a positioning ring, and a threaded sleeve for limiting the positioning ring is in threaded connection with the interior of the air inlet. The filter has the advantages of being good in filtering effect and improving the using effect.

The invention relates to the technical field of operation and maintenance control of coal mine equipment, in particular to an intelligent adjustment method and system for the lubrication state of the coal mine equipment based on deep learning, and the method comprises the steps: firstly collecting pressure difference signals of an oil supply pipeline and an oil return pipeline, and extracting time domain non-stationary fluctuation and frequency domain energy distribution characteristics through a dual-channel feature fusion network; generating an oil film thickness estimation value and a pollution degree index, when the oil film thickness is lower than a dynamic maintenance threshold value, dynamically generating the duration and interval of oil injection pulses through a reinforcement learning strategy network of a double-branch competitive architecture in combination with an equipment wear coefficient and historical oil injection feedback, and triggering online self-cleaning circulation when the pollution degree exceeds the limit; pollutants are removed through the high-gradient magnetic filter element, three-section type high-flow-speed washing and magnetic pulse desorption, a pollution degree base line is updated, the lubrication adjusting accuracy is improved, and stable operation of equipment is guaranteed.

The present invention relates to a metal bipolar plate coating resistant to high potential corrosion and a preparation method thereof. The prepared carbon film includes a first carbon layer located inside and a second carbon layer located on the surface. Among them: the first carbon layer uses an arc bend tube magnetic filter coil to emit carbon cations, and the carbon cations are accelerated with a DC bias under preset conditions to strengthen the role of chemical bonds in interface bonding. Ti metal and carbon cations are synthesized into TiC. At the same time, by adjusting the current density applied to the metal bipolar plate, excessive graphitization transformation of the first carbon layer is avoided, so that the TiC phase and sp3 phase at the interface are significantly more than the sp2 phase, thereby improving the high potential corrosion resistance of the first carbon layer and the Ti-C interface. The second carbon layer is a conductive layer, and a low duty cycle and a high pulse bias are used to achieve a low resistance effect. Finally, a metal bipolar plate carbon-based coating that can withstand long-term high potential corrosion and has excellent contact resistance characteristics is obtained.

The utility model relates to the technical field of magnetic filters, in particular to a multifunctional magnetic filter, which is characterized in that a plurality of rib plates are fixedly arranged in the side wall of a lower barrel, L-shaped grooves are formed in the rib plates, a lower fixing seat and an upper fixing seat are placed in the L-shaped grooves, the upper end of the lower fixing seat and the lower end of the upper fixing seat are step-shaped, and the lower end of the lower fixing seat and the lower end of the upper fixing seat are connected with the rib plates. An inner filter screen and an outer filter screen are arranged between the lower fixing seat and the upper fixing seat, and the inner filter screen and the outer filter screen are positioned in the step-shaped interiors of the lower fixing seat and the upper fixing seat; the upper end of the upper cylinder body is in threaded connection with a magnetic rod assembly, and a first protective sleeve is fixedly connected into the upper fixing seat; the meshes of the outer filter screen are small, small impurities are filtered, meanwhile, the meshes of the inner filter screen and the outer filter screen are different in size, microbubbles dissolved in water can be broken and removed to the maximum extent, and all impurities are discharged by opening the blow-down valve after the magnetic bar assembly is pulled out. Of course, the inner and outer filter screens can be taken out and cleaned from the outside.

The invention relates to the technical field of wind power generation, and particularly discloses a wind power generation gearbox lubricating system which comprises a gearbox body. A filtering mechanism is installed at the bottom end of the gearbox body, lubricating mechanisms are installed on the upper portions of the outer walls of the two sides of the gearbox body in a penetrating mode, and cooling mechanisms are installed on the outer walls of the two sides of the filtering mechanism. Through cooperative work of the filter box, the magnetic filter cartridge, the cleaning mechanism, the synchronous belt and other parts, the magnetic filter cartridge adsorbs ferromagnetic metal particles in lubricating oil through a magnetic field, damage of impurities generated by metal abrasion to gears and bearings is effectively reduced, and meanwhile, the service life of the gear and the bearings is prolonged. The electrostatic adsorption plate decomposes oxidation products and other non-ferromagnetic small particles in the lubricating oil, further purifies the lubricating oil, prolongs the service life of the oil liquid, and is matched with the self-cleaning mechanism to automatically remove impurities attached to the inner wall of the magnetic filter cartridge, so that the magnetic filter cartridge is prevented from being blocked, the replacement cost is reduced, and the reliability and economical efficiency of the whole lubricating system are improved.

The invention discloses a multi-stage filtering device and a filtering process for grinding fluid of a grinding machine, and the multi-stage filtering device mainly comprises a supporting bottom frame, a filtering box, a horizontal filter, a sewage pump, a static ring settling box, a static ring water pump and the like. Efficient stepped precipitation of the grinding fluid is realized, the pressure of the horizontal filter is greatly reduced, the filtering effect is improved, and the service life is prolonged. The innovative design of the static ring settling tank is combined with hoisting equipment, so that sludge is quickly cleaned, and manpower is saved. The second settling tank shaped like the Arabic numeral seven and the guide rail are designed to provide sufficient walking space for the horizontal filter, and cleaning is convenient; the waste output ends of the paper filter and the magnetic filter are arranged in different directions, and the waste mixed loading problem is solved. In addition, the device is further provided with intelligent monitoring facilities such as an ultrasonic liquid level meter, a liquid level alarm, a water supplementing pipe and an electromagnetic valve, and stable operation is ensured.

The utility model provides a cleaning fluid recovery device of a vacuum three-in-one dryer, which relates to the field of vacuum three-in-one dryers and comprises a tank component, a transmission component is arranged on one side of the tank component, and a fluid collection component is arranged at the bottom of the transmission component. Through cooperation of the first electromagnetic valve and the fourth electromagnetic valve, circulation of the liquid discharging pipe and the liquid conveying pipe can be controlled, so that the flowing track of cleaning liquid is limited, the cleaning liquid is recycled from the main tank to the recycling box, waste of the cleaning liquid is reduced, and the utilization rate of resources is increased; a magnetic filter screen and an ultrafiltration screen arranged in the recycling box can perform double filtration on the recycled cleaning liquid, impurities and particles in the cleaning liquid are removed, the purity and the reuse quality of the cleaning liquid are guaranteed, the recycled cleaning liquid can be well conveyed into a liquid injection pipe and a cleaning ball again through a conveying assembly, and the cleaning efficiency is improved. And the main tank is convenient to clean, cyclic utilization is realized, and the use cost is greatly reduced.

The application discloses a workpiece surface modification layer and a preparation method thereof. The method comprises the following steps: S100, Cr metal is injected on the surface of a workpiece to be modified by using an ion injection technology to form an injection layer; S200, after the step S100, a CrAl film layer is deposited on the surface of the workpiece to be modified by using a technology combining ion injection and magnetron sputtering to form a composite metal transition layer; S300, after the step S200, a CrAlN film layer and a Cr film layer are deposited on the surface of the workpiece to be modified by using a magnetic filter cathode vacuum CrAl arc source and a Cr arc source to form a functional protective layer. The modification layer prepared by using the preparation method of the workpiece surface modification layer has strong adhesion with the surface of the workpiece, the film layer is uniform, the modification layer with corrosion resistance and wear resistance can be effectively prevented from falling off, and the service life of the workpiece is improved.

A sensor device 11 for a magnetic filter 10, converting an analogue signal therefrom to find and relay a filter status by interrogation of an electrically connected reference data library providing the correlation therebetween. A temperature sensor (50, fig 6) may be included. A user interface and LED display may be included. The filter may have an elongate magnetic core 12. The force sensing resistor may comprise a multilayer assembly made of at least two layers of flexible printed piezoelectric ink (31, 32a, 32b, 33, fig 4). The change in a force responsive sensor 25 may be measured. A time period remaining for saturation and / or the saturation point may be predicted via a counting process and / or a machine self-learning configuration. The system is designed to provide an indication of the status of contaminant capture in a magnetic filtration device with a sensor and data processing electronic components to calculate real-time a requirement for purging / cleaning of a filtration device prior to and / or at saturation.

The present invention discloses a superconducting magnetic separation sewage treatment system and method with a self-cleaning function, which relates to the technical field of sewage treatment, wherein the system includes: a superconducting magnet, a front-stage filter, a magnetic separation cavity, a rear-stage connecting pipe, an air compressor, an air-cooled compressor and a control cabinet; the superconducting magnet includes: a refrigerator cold head, a vacuum dewar shell, a cold screen and a superconducting coil winding; the magnetic separation cavity includes: a magnetic separation cavity shell, a magnetic filter, a magnetic material separation cavity and a magnetic pollutant discharge port. The present application generates a uniform magnetic field and a gradient magnetic field inside the magnetic separation cavity through a superconducting coil winding, so that after the magnetic pollutants are adsorbed on the magnetic filter, they can automatically move to the magnetic material separation cavity and be discharged under the action of the gradient magnetic field, thereby realizing the self-cleaning of the magnetic filter and improving the fluency and efficiency of the superconducting magnetic separation sewage treatment.

The utility model discloses a kind of metal particulate matter control system, including buffer tank, buffer tank is connected with first bag filter, first bag filter is connected with several groups total filter components, total filter components have circulating filter piece, total filter components include finished product storage tank, finished product storage tank is connected with magnetic filter, magnetic filter is connected with first filter, first filter is connected with second filter, second filter is connected with packing machine;NMP in finished product storage tank is extracted by circulating pump and is sent into second bag filter, third filter, finished product storage tank, realizes the circulating filtration of NMP, can more stably filter NMP, there are less particulate matter in NMP, the multi-pass process grading filtration of NMP is realized by first bag filter, magnetic filter, first filter, second filter, avoid relying on some filter centralized to NMP, reduce the degree of jam, can improve the flow efficiency of NMP, filtering effect is good, and filtering efficiency is high.

The utility model relates to the technical field of magnetic filtration, and provides a vertical magnetic filtration magnetic bar isolating and optimizing device which comprises a rack, the magnetic chains are arranged on the rack in a circulating conveying mode, the number of the magnetic chains is multiple, and the multiple magnetic chains are arranged on the rack at intervals; and the plurality of isolation pieces are arranged on the rack, and the isolation pieces are arranged between the two adjacent magnetic chains. By means of the technical scheme, the problems that in the prior art, due to the fact that the limiting blocks on the roller are prone to abrasion, attraction force between the magnetic bars is increased, and an oil scraping ring and a gear motor are prone to damage are solved.

The utility model discloses a magnetic filter with a valve, which comprises a valve body, a filter cover and a magnet, a drain outlet is arranged on the lower side of the valve body, a water flow inlet is arranged on the right side of the valve body, a water flow outlet is arranged on the upper side of the valve body, the left side of the valve body is connected with a filter cover, a medium cavity inside the filter cover is communicated with the inside of the valve body, and a magnet sleeve is arranged on the left side of the filter cover. The magnet is inserted into the magnet sleeve; according to the filter, the water flow inlet is opened and the drain outlet is closed through the built-in three-channel valve element, or the water flow inlet is closed and the drain outlet is opened, and the water flow outlet is separated from the valve cavity and kept normally open; no valve needs to be installed at the water flow inlet, sewage can be discharged by rotating the handle to close the water flow inlet and opening the sewage outlet, magnetic impurities can be removed by pulling out the handle and taking out the magnet, and convenience and rapidness are achieved. The utility model is convenient for horizontal installation in a narrow space.

The invention relates to the technical field of wastewater treatment, and discloses an explosive production wastewater treatment system which comprises a water inlet system used for conveying to-be-treated explosive production wastewater and provided with a microbead adding system; the pretreatment unit comprises a separation tank body, a plurality of magnetic separation elements arranged in the separation tank body, and a differential driving device for driving the magnetic separation elements to do differential motion; the fine processing unit comprises a non-magnetic shell and a magnetic filter element array arranged in the non-magnetic shell, the magnetic filter element array comprises a plurality of magnetic filter elements arranged in parallel, and an electromagnetic coil is arranged on the periphery of each magnetic filter element; the wastewater diversion control system comprises a concentration detection device and a flow regulation device, the technical problem that a single magnetic separation system cannot cope with explosive production wastewater concentration and composition fluctuation is effectively solved, the continuous and stable operation capacity and the treatment efficiency of the explosive production wastewater treatment system are improved, and the operation and maintenance cost is reduced.

The utility model relates to a filtering device for separating and extracting impurities from raw cocoa powder. Comprising a base and a filtering barrel arranged on the base, a spherical groove is formed in the base, the filtering barrel comprises a barrel body and a hemispherical bottom, the hemispherical bottom is arranged on the lower portion of the barrel body and connected with the spherical groove in a matched mode, a sealing end cover is connected to the upper portion of the barrel body, and a magnetic attraction mechanism used for removing magnetic impurities is arranged in the sealing end cover. A stirring assembly is connected to the inner wall of the barrel body, an air inlet and an air outlet are formed in the barrel body, and an air suction assembly is connected to the air outlet. According to the cocoa powder filtering device, adsorption and cleaning of magnetic impurities such as metal scraps in cocoa powder can be achieved through the magnetic filter element, the position height of the magnetic filter element can be adjusted through the electric telescopic rod, the flexibility of the device is improved, the standing cocoa powder can be stirred through the stirring assembly, and the impurities in the cocoa powder can be filtered more sufficiently. Light impurities such as hair in the cocoa powder can be sucked through the air suction pump and collected into the collecting tank in a centralized mode, the filtering effect of the cocoa powder is guaranteed, and the quality of the cocoa powder is improved.

The utility model discloses a magnetic filter and heating equipment, and belongs to the technical field of heating equipment. The magnetic filter comprises a filtering assembly, a valve body assembly and a sewage draining assembly; wherein the filtering assembly comprises an outer shell and a magnet filtering piece, a containing cavity is formed in the outer shell, and the magnet filtering piece is arranged in the containing cavity; the valve body assembly is at least provided with a fluid inlet, a fluid outlet and a connecting port, the valve body assembly is coupled with the outer shell through the connecting port, and the containing cavity can be filled with fluid through the fluid inlet so that magnetic impurities in the fluid can be filtered out through the magnet filtering piece, and the filtered fluid can be discharged outwards through the fluid outlet; the pollution discharge assembly is integrally installed on the outer shell and located below the magnet filter part, and when the magnet filter part is pulled out of the containing cavity, the pollution discharge assembly is in an open state, so that the magnetic impurities are discharged out of the outer shell through the pollution discharge assembly. The magnetic filter is compact in structure, high in integration level and low in cost.

A filter of a combination of magnetic and non-magnetic (i.e. screen or gauze) for use in a central heating and / or cooling system. The filter has at least three ports and any of the multiple pairs of ports can be used as an inlet and outlet, providing a variety of mounting options to accommodate systems with different space constraints. The non-magnetic filter screen can be repositioned to be placed in the flow path associated with only one of the ports in the selected pair of ports.

The utility model belongs to the technical field of counter-pressure casting, and particularly relates to a counter-pressure casting riser tube electromagnetic induction filtering device and system, which comprises a middle tube, an induction heating coil, a heating coil embedding block, a filtering medium and a riser tube, the filtering medium is arranged inside the riser tube, and the induction heating coil and the heating coil embedding block are arranged outside the riser tube. And the intermediate pipe covers the induction heating coil embedded block. Through structural optimization of the riser tube, impurities at the bottom of the molten metal container can be prevented from being involved into pure molten metal in the molten metal suction process, and filtering of original impurities is guaranteed to the maximum extent. Through the synergistic effect of electromagnetic induction and the magnetic filtering medium, magnetic and non-magnetic impurities in molten metal can be effectively filtered, the purity of the molten metal is remarkably improved, defects in a casting are reduced, and the mechanical property and reliability of the casting are improved.

The utility model discloses a kind of heating water heat recovery devices, including device body, the right side of the device body is close to lower fixed setting first inlet pipe, the left side of the device body is close to upper fixed setting first outlet pipe, the right side of the first inlet pipe is fixedly connected with filter tube, the right side of the filter tube is fixedly connected with electric valve main body, the front right side and the rear left side of the filter tube are fixedly connected with branch pipe, the branch pipe is opened with through opening and accommodating cavity, the inner end side of the accommodating cavity is connected with filter tube through through opening and is communicated, the outer ring of the branch pipe is fixedly penetrated and is provided with connecting disc body, by the larger adsorption and filtration of pipeline rust slag etc. in heating water through the magnetic filter screen cylinder set, further filter sand etc. smaller impurities in heating water are filtered again through fine filter screen cylinder, reduce the influence to heat exchange pipe, connecting frame is driven to rotate by motor and transmission shaft, to drive cleaning brush frame to rotate, cleaning brush frame can be cleaned to filter screen cylinder inner wall.

The utility model relates to a magnetic type adjustable filter and a filter module, and the magnetic type adjustable filter comprises a first filter and a second filter which are rotatably connected with each other. A first magnetic suction mounting seat is arranged at the front end of the first filter and is used for being assembled and connected with a magnetic suction filter; and a second magnetic mounting seat is arranged at the rear end of the second filter and is used for being assembled and connected with a magnetic filter or an adapter ring assembled at the front end of the lens. In this way, the filter module can be conveniently and rapidly combined with the adapter ring and the magnetic filter to be installed at the front end of the lens for use, rapid switching of the filter module combination form is achieved, the requirement of photography enthusiasts for efficient assembly and use is completely met, and then the experience feeling of photography is improved.

The present invention discloses a multi-channel gyromagnetic filter magnetic circuit, belonging to the technical field of magnetic device integration, which includes a lower magnetic circuit (1), an upper magnetic circuit (2), the magnetic pole columns (3) of the upper and lower magnetic circuits, a main coil (4), a compensation coil (5), a coil installation groove (6), and a multi-channel resonant circuit (7); wherein, the coil installation groove (6) is located on the end face of the upper and lower magnetic pole columns (3) and is perpendicular to the end face, dividing the end face of the magnetic pole column (3) into the number n of integrated filter channels. The compensation coil (5) is sleeved in the coil installation groove (6), and the number thereof is not less than n-1; the magnetic circuit of the present invention can achieve a frequency compensation ability of 0-200 MHz in the P-Ku band, the number of filter resonant circuit stages is not limited, and it has a wide applicability, and can cover the multi-channel integration of all gyromagnetic filters; it is beneficial to reduce the power consumption of the device; it is beneficial to control the compensation frequency modulation range and improve the reliability; and it is beneficial to control the manufacturing cost of the filter product and improve the production efficiency.

The present invention relates to a mechanical system (1) comprising movable mechanical elements (6) to be lubricated or cooled in a casing, the mechanical system (1) having a lubrication system (10) provided with a reservoir (7) containing a lubricating fluid (4), the lubrication system (10) having a main fluid circuit (101) extending from the reservoir (7) to a fluid projection circuit (12), the main fluid circuit (101) having a flow generator (11), a mechanical filter (25), and a magnetic plug (80). The main fluid circuit (101) comprises a magnetic filter (30) crossed by the lubricating fluid (4) between the reservoir (7) and the fluid projection circuit (12), the magnetic filter (30) comprising at least one magnetized wall (32). Abstract figure: figure 1

The invention provides a magnetic filtering device for a full-active suspension hydraulic system and the full-active suspension hydraulic system. The magnetic filtering device comprises a shell, a magnetic part and an end cover. An oil cavity is formed in the shell, and a first oil port, a second oil port and a mounting port which are communicated with the oil cavity are formed in the shell; the magnetic part is located in the oil cavity. The end cover is detachably connected to the installation opening and used for blocking the installation opening. Wherein a first oil port of the magnetic filtering device is used for being connected with an electro-hydraulic pump of the hydraulic system, and a second oil port of the magnetic filtering device is used for being connected with a shock absorber of the hydraulic system. The magnetic filtering device and the hydraulic system can solve the technical problems that the magnetic filtering device cannot be detached, is difficult to maintain and cannot be cleaned in time, and the reliability of the system is reduced.

The invention relates to the technical field of engines, in particular to a device for oil recovery treatment after engine testing. The recovery container comprises a box body, a magnetic filter plate and a flow baffle; the magnetic filter plate is mounted in the box body and is parallel to the bottom surface of the box body, and a set distance is formed between the magnetic filter plate and the bottom surface of the box body; the flow baffle comprises an upper-layer plate and a lower-layer plate, the upper-layer plate and the lower-layer plate are both perpendicular to the bottom surface of the box body, a set distance is formed between the upper-layer plate and the lower-layer plate, the lower edge of the lower-layer plate is attached to the bottom surface of the box body, the lower edge of the upper-layer plate is attached to the top surface of the magnetic filter plate, and the lower edge of the upper-layer plate is lower than the upper edge of the lower-layer plate. Through an optimized multi-stage filtering structure and reasonable flow field control, efficient purification of recycled diesel oil is achieved, it is ensured that the recycled diesel oil reaches the secondary use standard, and therefore the engine failure risk is reduced, the test run cost is saved, and meanwhile diesel oil waste and environmental pollution are avoided.

The application discloses a method for realizing TGV high-conductivity copper-clad by using a magnetic filtering vacuum arc metal film, and specifically comprises the following steps: S1, ultrasonic cleaning is performed on a glass through-hole substrate; S2, sub-etching cleaning treatment and activation of a substrate surface are performed on the glass through-hole substrate under a vacuum environment; S3, a Ti film layer is deposited on the glass through-hole substrate after the treatment in S2 by using a magnetic filtering vacuum cathode arc method; and S4, a Cu film layer is deposited on the Ti film layer under a low vacuum environment. By using the method provided by the application, a Ti undercoat layer is first deposited, the problem of poor adhesion between Cu and a glass substrate is solved, then copper-clad deposition is performed, in addition, the glass substrate can be conductive after Ti plating, so that the bias voltage can be increased, the energy of Cu ions entering the hole is larger, the thickness of the film plated on the hole wall is improved, the adhesion is stronger, and the conductivity is improved.