1641 results about "Filtration technique" patented technology

The utility model discloses a silicon powder filter, which relates to the technical field of silicon powder filtration and comprises a tank body, a pattern plate assembly, a filter element assembly and a back flushing assembly, the tank body comprises an upper sealing head, a middle barrel body and a lower sealing head which are arranged from top to bottom; the tubesheet assembly is assembled between the upper sealing head and the middle barrel in the tank body, and the filter element assembly is assembled on the tubesheet assembly and extends downwards; the back-blowing assembly is assembled in the upper sealing head and comprises a plurality of groups of back-blowing mechanisms, the plurality of groups of back-blowing mechanisms are circumferentially and uniformly arranged and are all welded with the middle support of the circle center, the back-blowing mechanism comprises a back-blowing header pipe, a plurality of back-blowing branch pipes and a support piece, the top ends of the back-blowing branch pipes are communicated with the back-blowing header pipe, and the back-blowing branch pipes are communicated with the support piece. And one end of the supporting piece is connected with the blowback header pipe, and the other end of the supporting piece is welded on the inner wall of the upper sealing head. And the back flushing assembly is integrally welded and fixed in the upper sealing head, so that the back flushing assembly can be directly mounted and dismounted by using the upper sealing head without entering the tank for operation in the mounting and dismounting process.

The invention discloses a dust filtration treatment device for coating production, and belongs to the technical field of dust filtration. A plurality of groups of outer filtration holes are formed in the outer wall of a main shell, and a transfer bin is formed between the main shell and an inner shell; the inner scraping mechanism comprises a rotating part, a plurality of groups of inner scraping plates are movably mounted on the inner wall of the rotating part, symmetrical linkage gear rings are further movably mounted in the rotating part, and a plurality of groups of extrusion parts are arranged on the inner walls of the linkage gear rings; the outer scraping mechanism comprises a cleaning gear ring movably arranged on the inner wall of the main shell, and a linkage piece used for cleaning the outer filter holes and intermittently discharging the coating particles is fixedly installed at the bottom of the cleaning gear ring. Through the outer scraping mechanism, the outer filter holes can be cleaned in a reciprocating mode, coating particles can be intermittently discharged, and the situation that airflow enters the bottom of the main shell to interfere and blow the stored particles is avoided. Wherein the length of the upper baffle plate is larger than that of the lower baffle plate, and the safety and stability of the filtering device are improved through the design.

The invention discloses an anti-clogging water supply and drainage filtering device, and relates to the technical field of water supply and drainage filtering, the anti-clogging water supply and drainage filtering device comprises a water supply and drainage pipeline, and the front end and one side of the water supply and drainage pipeline are respectively provided with a water inlet and a water outlet. The driving motor drives the supporting shaft A to enable the rolling brush to revolve, the rolling brush reversely rotates by means of the fluted disc A and the gear ring A, and dynamic shearing force is formed to efficiently strip impurities on the surface of the filter screen; the inclined push plate and the rolling brush guide the stripped impurities into the impurity guide piece through centrifugal force, and the spiral piece is combined for discharging, so that secondary blockage is avoided; the supporting shaft A is linked with the supporting shaft B through the belt pulley group, so that the filter screen reversely rotates at a constant speed, the relative speed of the rolling brush and the filter screen is multiplied, the impurity stripping effect is enhanced, loose impurities are thrown to the edge of the filter screen through centrifugal force, the accumulation risk of a central area is reduced, and self-cleaning of the filter screen, directional discharging of the impurities and dynamic prevention and control of the blocking risk are achieved through the mode. The continuous operation efficiency of the water supply and drainage filtering device is effectively improved, and maintenance cost and energy consumption are reduced.

The invention belongs to the technical field of natural gas transportation and distribution filtration of natural gas stations, and relates to a filter and a filter element backwashing method thereof without stopping natural gas transportation and distribution filtration. The filter comprises a main cylinder, a main filter element and a backwashing device, wherein the backwashing device comprises an air blowing cylinder arranged in the main filter element, a high-pressure hose used for conveying high-pressure gas into the air blowing cylinder and a driving mechanism used for driving the air blowing cylinder to reciprocate in the main filter element in the axial direction; the air blowing cylinder is of a cylindrical structure with two closed ends, and a plurality of air blowing holes are formed in the side wall; the high-pressure hose is located in the main filter element, the bottom end of the high-pressure hose is connected to the top end of the air blowing cylinder, the top end of the high-pressure hose is externally connected with a high-pressure air supply source, and high-pressure air entering the air blowing cylinder is blown out through the air blowing holes to backwash the main filter element from inside to outside. The air blowing cylinder of the filter can perform movable backwashing in the main filter element, so that the whole main filter element is helped to recover the filtering effect, and the backwashing device can independently operate to backwash the main filter element while the filter continuously filters natural gas.

The invention relates to the technical field of water filtration, in particular to water filtration equipment with a sterilization function, which comprises a cylinder body, the upper end and the lower end of the cylinder body are respectively provided with a conical sealing head, a filter assembly for filtering impurities in water is arranged in the cylinder body, and a plurality of adsorption assemblies convenient to replace are arranged on one limiting disc. A trigger assembly used for taking out the adsorption assembly is arranged in the treatment shell, a lifting assembly used for lifting the trigger assembly is arranged in the treatment shell, a stirring assembly used for promoting water filtration is arranged in the barrel, and a matching assembly used for being matched with water to accelerate filtration is arranged on the stirring shell. Through cooperative use of the adsorption assembly, the filtering assembly, the triggering assembly, the lifting assembly, the matching assembly and the stirring assembly, particulate matters in water are quickly filtered, so that the equipment can replace a filter element without influencing use of the equipment even in a running state, and the labor cost and the resource consumption are reduced.

A method to unload a fluid mixture from an underground production tubing, in order to reduce the hydrostatic pressure within the fluid mixture. A method to kill an oil or gas well by equalizing pressure between the production tubing, the casing annulus, and a surface tank battery, by de-pressurizing the fluid within the production tubing and the casing annulus, and by pumping a kill fluid. One goal of the methods may be to avoid discharging unwanted liquid phase or gas phase to the atmosphere, therefore reducing unnecessary emissions, and valuing the recovered products.

The utility model discloses a quick graded filtering device for fermentation liquor, which belongs to the technical field of fermentation liquor filtering and comprises a stock solution tank, the bottom of the stock solution tank is connected with one end of a first liquid guide pipe, the other end of the first liquid guide pipe is connected with the input end of a graded filtering module, and a feeding pump and a first feeding valve are arranged on the first liquid guide pipe. The output end of the grading filtering module is connected with one end of the second liquid guide pipe, and the other end of the second liquid guide pipe is connected with the sterile liquid storage tank; when the device starts to work, a first feeding valve and a feeding pump are opened, fermentation liquor in a stock solution tank is introduced into a grading filtering module through a first liquid guide pipe, and the fermentation liquor subjected to grading filtering through the grading filtering module enters a sterile liquid storage tank to be stored through a second liquid guide pipe; the device can effectively overcome the defects of low efficiency, poor separation effect, easiness in blockage of a filter membrane, time and labor waste and the like through methods of graded filtration, cross-flow filtration and the like, does not need to be matched with a centrifugal machine, treats in one step, and lays a foundation for producing sterile products.

The invention relates to the technical field of ultrasonic cleaning, in particular to ultrasonic rapid cleaning equipment for wire rods, which comprises an ultrasonic cleaning assembly, an ultrasonic cleaning device, an ultrasonic cleaning device, an ultrasonic cleaning device, an ultrasonic cleaning device, an ultrasonic cleaning device and a control device, and is characterized in that the ultrasonic cleaning device comprises a cleaning tank body, a wire rod arranged in the cleaning tank body and an ultrasonic cleaning device; the ultrasonic cleaner is used for generating a cavitation reaction on the cleaning liquid in the cleaning tank body so as to clean dirt on the wire rod; the filtering and cleaning assembly comprises a cleaning box arranged on the outer side of the cleaning tank body and a segmented filtering mechanism arranged in the cleaning box and used for conducting segmented filtering on the cleaning liquid. The wire rod cleaning device has the beneficial effects that the ultrasonic cleaning technology and the precision filtering technology are combined, dirt on the surface of a wire rod is physically impacted through cavitation reaction generated by ultrasonic waves, deep cleaning is achieved, meanwhile, an efficient filtering system is introduced, the cleanliness and recycling of cleaning liquid are guaranteed, and the cleaning efficiency and quality are improved.

The invention relates to the technical field of boiler flue gas filtration, in particular to a gas inlet device for boiler flue gas filtration. The air inlet device for boiler flue gas filtration comprises an air inlet pipeline, rotating valves, an executing mechanism, fan blades, a transmission mechanism, a cleaning pool and a perforated pipe, the input end of the air inlet pipeline communicates with a boiler body, the output end of the air inlet pipeline communicates with a dust remover, and the rotating valves are installed in the air inlet pipeline and close to the input end at equal intervals; an executing mechanism is installed between the rotating valve and the gas inlet pipeline and used for driving the rotating valve to be opened and closed so as to control the gas inlet amount of the flue gas. According to the air inlet device for boiler flue gas filtration, the amount of flue gas generated by combustion in a boiler can be monitored in real time through the integrated sensor and the control system, the opening degree of the rotating valve is intelligently adjusted according to the data, accurate adjustment of the opening degree of the rotating valve is ensured through a worm and gear and a bevel gear transmission system in the executing mechanism, and the operation efficiency is improved. Therefore, the amount of flue gas entering the dust remover can be accurately controlled.

The invention provides a cutting fluid separating and recycling device for recycling machine tool chippings, and relates to the technical field of machine tool cutting fluid chipping filtering. The device comprises a cutting device and a bearing mechanism, the bearing mechanism comprises a liquid containing device and a containing device, a liquid outlet device and a bearing platform are arranged in the liquid containing device, the bearing platform comprises a bearing plate, the top of the bearing plate is of a structure with the middle higher than the two sides, and a plurality of bearing guide strips are arranged on the upper side of the bearing plate; the liquid pressing mechanism presses the liquid outlet device in the sliding process, and the cutting liquid in the liquid containing device is conveyed to the upper side of the bearing plate through the liquid outlet device. The liquid containing device comprises a containing basket, and a liquid containing cavity is formed in the containing basket; a liquid guide mechanism is arranged in the liquid containing cavity; the liquid outlet device comprises a liquid feeding mechanism. According to the invention, chippings can be prevented from gathering on the bearing platform, the service life of the filter element is prolonged, the replacement frequency of the filter element is reduced, and a cutting fluid with chippings is prevented from flowing disorderly on the bearing plate.

The invention provides cooling circulating water activated carbon filtering equipment, and belongs to the technical field of circulating water filtering, the cooling circulating water activated carbon filtering equipment comprises a shell, the shell is internally provided with a water inlet mechanism, an interception screen plate, a secondary interception piece, an overflow impurity removal mechanism, an activated carbon adsorption mechanism and a flow guide mechanism, and the interception screen plate is located below the water inlet mechanism; the secondary interception piece comprises an arc-shaped plate and two interception net hoppers, the middle of the arc-shaped plate protrudes upwards and is located below the interception net hoppers, the two interception net hoppers are located on the two sides of the bottom of the arc-shaped plate, the overflow impurity removal mechanism comprises an overflow plate and a sponge block, and the overflow plate comprises an arc-shaped concave section and inclined sections located at the two ends of the arc-shaped concave section. The sponge block is located in the arc-shaped sunken section, the two activated carbon adsorption mechanisms are located on the two sides of the bottom of the overflow plate correspondingly, and the flow guide mechanism is located on the lower portion of the overflow plate and used for guiding cooling circulating water into any water storage tank. According to the invention, cooling circulating water is subjected to multi-stage filtration before reaching activated carbon, so that the replacement period of the activated carbon is prolonged.

The invention discloses a dust filtering mechanism with a self-cleaning function for paperboard processing, and relates to the technical field of paperboard processing dust filtering, the dust filtering mechanism comprises an adjusting unit arranged at the top of a fixing frame and used for preventing dust from overflowing, and a cleaning unit matched with the adjusting unit to regularly clean dust in a dust collecting hopper; an elastic rope used for changing the thickness of the elastic rope in cooperation with pulses is arranged at the top of the fixing frame, and a first dust collecting plate and a second dust collecting plate which are used for collecting dust are arranged in the dust collecting hopper. The fixed rod at the top of the lifting frame is matched with the slope groove of the rotating ring to convert displacement along the slope groove into circumferential rotation of the rotating ring, and the elastic ropes are synchronously tensioned along with deflection of the rotating ring, so that gaps between the adjacent elastic ropes are dynamically increased, a smooth falling channel is provided for dust, and the dust removal efficiency is improved. The first dust collecting plate and the second dust collecting plate are turned from a horizontal state to a vertical state, so that dust attached to the surfaces of the dust collecting plates falls into the bottom of the dust collecting hopper and is collected by an external collecting system.

The present invention relates to the technical field of water filtration, and discloses a carbon rod folding ultrafiltration integrated filtration system, which comprises a filter shell and two filter cartridges arranged in the filter shell, one end of each of the two filter cartridges is fixedly connected with a wide cartridge, a folding ultrafiltration core is inserted in the inner side of each filter cartridge, a carbon rod is inserted in the inner side of each folding ultrafiltration core, and the filtration system further comprises a batch rotation part, the cylinder cover is arranged on the filter shell and is in threaded connection with the cylinder cover; the cleaning part is arranged on the inner side of the filter cartridge, is fixedly connected with the cartridge cover and is positioned on the outer side of the folding ultrafiltration element; the dense silicon part is arranged on the wide cylinder and located on the outer side of the threaded ring; according to the invention, the batch rotating part is used for synchronously rotating the two cylinder covers to open and take down the two cylinder covers, the two cylinder covers are translated while rotating, the cleaning part is driven to clean and push impurities remained in the filter cylinder in the rotating and moving processes, and meanwhile, the folding ultrafiltration element and the carbon rod are supported and driven to be taken out from the filter cylinder; furthermore, a plurality of cylinder covers can be conveniently opened, impurities remained in the filter cylinder can be cleaned, and the working efficiency is improved.

The invention relates to the technical field of dust filtering, in particular to an indoor dust filtering device for safety engineering, which comprises a filtering barrel, an air inlet pipe is mounted at the upper end of the outer side wall of the filtering barrel, an air outlet pipe is mounted at the lower end of the outer side wall of the filtering barrel, a positioning cylinder is movably connected to the upper end of the filtering barrel, and a hollow column is fixedly connected to the lower end of the positioning cylinder. A hollow column is arranged in the positioning barrel, the hollow column extends into a cavity of the filtering barrel, a filtering structure is installed on the outer side wall of the hollow column, a soft connection structure is arranged in the positioning barrel, and the soft connection structure can judge whether the balance weight of the filtering structure is too heavy or not. Meanwhile, when the filter plate is cleaned, the bumping frequency of the filter plate is increased through the gravity of the filter plate, the interval of rotating speed switching of the filter plate is increased, the cleaning effect on the filter plate is improved, then through a scraping structure, the upper surface of the dust falling plate is scraped, and meanwhile dust is prevented from flowing backwards.

The present invention relates to the technical field of filtration, and discloses a multi-layer grading filtration apparatus for recirculating aquaculture, the multi-layer grading filtration apparatus comprises: a first filtration tank for removing large particle impurities in a water body; the filter box II is used for adsorbing soluble organic matters in water; the filter box III is used for deeply filtering the water body; the filter box IV is used for further removing suspended particles and fine impurities; collecting assemblies are arranged in the filtering boxes, and filtering assemblies with different precisions are arranged in the first filtering box, the third filtering box and the fourth filtering box respectively. Preferably, the filtering assembly comprises a filtering pipe. Through graded filtration, intelligent monitoring, self-cleaning functions and modular design, efficient purification of a water body, intelligent regulation and control of the system, convenient maintenance and stable operation are achieved, and compared with the problems of low filtration efficiency, regulation and control lagging, tedious maintenance and unstable structure in the prior art, the applicability and reliability are remarkably improved.

The invention discloses sewage purifying and filtering equipment for preventing and treating water environment pollution, and relates to the technical field of sewage filtering, the sewage purifying and filtering equipment comprises a first plate, a second plate, a third plate, a rotating rod, a sector plate, a first sliding plate, a top column, a push column, a square block, a long rod, a triangular block, a second sliding plate, a top plate, a triangular column, a long plate, a sewage pipe and a telescopic column, one end of the rotating rod is rotatably mounted at the top of the inner wall of the reaction tank, the first plate is fixedly mounted on the circumferential surface of the rotating rod, the second plate is fixedly mounted on the circumferential surface of the rotating rod, the third plate is slidably mounted on the circumferential surface of the rotating rod, and the fan plate is fixedly mounted on the circumferential surface of the other end of the rotating rod; when the second sliding plate moves, an outlet of the sewage pipe can be blocked, sewage on the upper portion can enter the lower portion at intervals, it is avoided that chemicals on the lower portion flow back to the upper portion, waste of the chemicals is caused, and meanwhile it can be avoided that water flow is too large, and a screen on the rear portion is affected.

The utility model relates to the technical field of sludge filtering, in particular to a sludge filtering device for rivers, which comprises a filtering box, a feeding pipe is mounted on the top surface of the filtering box in a penetrating manner, a feeding hopper is fixedly mounted at the upper end of the feeding pipe, a rotating mechanism is arranged in the filtering box, a vibrating mechanism is arranged on one side of the rotating mechanism, and the rotating mechanism comprises a rotating part and a power part. The rotating mechanism enables the sludge to be rotationally filtered, the vibration mechanism comprises a connecting part and a vibration part, and the vibration mechanism enables the sludge to be vibrated and filtered. A motor is started to drive a rotating shaft and a gear to rotate, the gear drives an outer gear ring and a round sleeve to rotate, the round sleeve drives a sliding rod and a fixing block to rotate, the fixing block drives a filter cylinder to rotate, the filter cylinder drives sludge inside to rotate, and meanwhile the round sleeve drives a stirring plate and a stirring rod to rotate. The rotating sludge fluid is collided by the stirring rod, and the sludge is stirred more uniformly, so that the sludge is not easy to accumulate and block, and the filtering efficiency is improved.

The invention relates to the technical field of cutting fluid separation and filtration, and discloses mist separation and filtration equipment for cutting fluid for photovoltaic silicon wafer production, which comprises a rack, a centrifugal tank body, a feeding shaft, a servo motor and a filter cartridge, a locking sleeve is installed on the feeding shaft, a plurality of fixed sleeves are fixedly installed on the locking sleeve, a sliding shaft body in sliding connection with the inner wall of each fixed sleeve is installed in the corresponding fixed sleeve, an annular disc frame is fixedly installed on each sliding shaft body, and a plurality of intercepting components are arranged between the annular disc frames and the fixed sleeves; according to the mist separating and filtering equipment for the cutting fluid for photovoltaic silicon wafer production, flow field parameters can be effectively changed by dynamically adjusting the radius of the intercepting part, optimization treatment on oil mist with different concentrations is achieved, the particle residence time can be prolonged through the intercepting part, and therefore collision polymerization between superfine particles and large particles is facilitated; therefore, the large particles can carry the superfine particles to be in contact with the filter cartridge, and are separated and filtered under the action of the filter cartridge.

The utility model discloses a piston type compressor gas filtering device which comprises a compressor body and a shell connected with a gas inlet pipe of the compressor body, a top cover is detachably installed on the top of the shell through a fixing assembly, a gas inlet is formed in the top cover, a filter cylinder is arranged in the shell, the bottom of the filter cylinder is of an open structure, and the bottom of the filter cylinder is provided with a gas outlet. The utility model relates to the technical field of compressor gas filtration, in the device, the open bottom design of the filter cartridge is combined with the ingenious matching of the guide blocks and the guide grooves, the filter cartridge is arranged in the shell, the filter cartridge is arranged in the shell, the filter cartridge is arranged in the shell, and the filter cartridge is arranged in the shell in a matched mode. A pair of guide blocks is fixedly arranged on two sides of the lower portion of the filter cartridge, and a pair of guide grooves matched with the guide blocks are formed in the inner walls of two sides. Smooth air circulation and filtering efficiency are guaranteed, the cleaning assembly is arranged, a brush on a cleaning ring is driven by a sliding rod, dust and impurities accumulated on the outer wall of the filter cylinder can be effectively removed, filtering resistance is reduced, efficient operation of the compressor is maintained, and performance reduction caused by filter blockage is avoided.

The invention relates to the technical field of filtration, in particular to rapid analysis gas filtration equipment for infrared heat conduction combined determination of fuel elements, the rapid analysis gas filtration equipment comprises a circulation part, a filtration module, an adjustment part and a detection part, the circulation part comprises a shell, through pipes are arranged on the left side and the right side of the shell, mounting openings are formed in the two sides of the interior of the shell, and the filtration module is arranged in the shell; a mounting opening is formed in the upper side of the shell, sealing grooves are formed in the left side and the right side of the mounting opening, a detection opening is formed in the upper side of a channel of the shell, a sealing sleeve is fixedly connected into a circular hole in the upper side of the shell, an extension shell is fixedly connected to a lower side opening of the shell, and the filtering module is mounted at the position of the shell and comprises a linkage plate located on the upper side of the shell. According to the gas filtering equipment disclosed by the invention, through the arrangement of structures such as the circulating part, the filtering module and the adjusting part, the gas filtering equipment can be used for quickly and efficiently replacing filtering fillers in a short time.

The utility model relates to the technical field of wastewater filtration, and discloses an anti-blocking filter device for industrial wastewater treatment, which comprises a filter tank, a rotary filter component is arranged in the middle of the filter tank, impurity outlets are arranged at the cavity bottom of the filter tank and positioned on two sides of the rotary filter component, and the filter tank is provided with a filter screen. And blocking plates used for sealing and blocking or opening the impurity outlet are arranged on the two sides of the filtering box, the rotary filtering assembly separates blocking objects on the filtering assembly through rotation, and a water outlet pipe is arranged on the rotary filtering assembly in a communicating mode. According to the utility model, the blocked filtering assembly can be conveniently and rotationally cleaned, the filtering assembly does not need to be disassembled for additional cleaning, the blockage cleaning is efficient, and the cost is low.

The invention discloses a river water decontamination filtering device based on hydroxyl radical generation, and relates to the technical field of river water filtration, the river water decontamination filtering device comprises a rotating drum, a rotating shaft is rotatably connected in the rotating drum in a penetrating manner, the outer wall of the rotating shaft is fixedly connected with a rotating wheel, the bottom of the rotating drum is fixedly connected with a transmission drum, and the inner wall of the transmission drum is fixedly provided with a filter screen; and a filtering mechanism is arranged at the end of the rotating shaft so as to ensure that the surface of the filtering net cannot be blocked during dirt removal and filtering, and a collecting mechanism is arranged on the outer wall of the conveying barrel so as to collect filtered solid waste during dirt removal and filtering. According to the river water decontamination filtering device based on hydroxyl radical generation, water flow impacts the rotating wheel to drive the rotating shaft and drive the half-circle teeth to rotate, so that the movable frame translates, the sliding rod drives the cleaning block to slide through the fixed plate, solid garbage on the filter screen is scraped, blockage is avoided, river water is continuously and effectively filtered, water flow power is utilized, and extra energy is not needed; the cost and the environmental influence are reduced.

The utility model relates to the technical field of pipeline filtration, in particular to a water supply and drainage pipeline filter which comprises a connecting shell and a connecting pipeline, the connecting shell is of a rectangular shell-shaped structure, and connecting pipelines are arranged at the two ends of the connecting shell. Access holes are formed in the outer wall of one side of the connecting shell, and the access holes are formed in the upper side and the lower side of the connecting pipeline; the filtering main body is inserted into the inner wall of the connecting shell in a clearance fit sliding manner, two filtering openings are formed in the outer wall of the filtering main body, and the filtering openings correspond to the positions of the connecting pipelines; by improving the water supply and drainage pipeline filter, the water supply and drainage pipeline filter has the advantages that the structural design is reasonable, the filter cartridge can be cleaned on the basis of not throttling, and the water supply efficiency is improved, so that the problems and defects in the prior art and equipment are effectively solved.

The utility model provides a ceramic membrane device for wastewater treatment, which relates to the technical field of ceramic membrane filtration and comprises a filter cartridge, a water inlet is arranged on the surface of the rear end of the filter cartridge, a cartridge cover is mounted on the front surface of the filter cartridge, a fixing rod is fixedly mounted on the inner surface of the cartridge cover, and a plurality of plate-shaped ceramic membranes are mounted in the middle of the fixing rod at equal intervals. According to the device, a servo motor drives a gear to rotate, so that the gear drives a plurality of gear teeth to rotate, and a plurality of barrel covers can rotate, so that a plurality of filter cartridges can be cleaned, the filter cartridges can be cleaned, and the filter cartridges can be cleaned. At the moment, a plurality of plate-shaped ceramic membranes are driven to rotate at the same time, so that the scraping plates scrape off foreign matters adhered to the surfaces of the plate-shaped ceramic membranes, at the moment, the liquid outlet is opened, the scraped foreign matters fall off from the liquid outlet, and the device can be used for conveniently cleaning the plate-shaped ceramic membranes. The filtering effect is better.

The utility model relates to the technical field of developing solution filtering, and discloses a developing solution filtering device which comprises a filtering box and a sliding block, a sliding groove is formed in one side of the filtering box, the sliding block slides in the sliding groove, a connecting rod is fixedly connected to the bottom of the sliding block, a first rack is fixedly connected to the bottom of the connecting rod, and a second rack is fixedly connected to the bottom of the first rack. A connecting rod is rotationally connected to the bottom of the sliding block, a mounting shell is rotationally connected to the end, away from the sliding block, of the connecting rod, a funnel is fixedly connected to the side, away from the sliding groove, of the filtering box, and a waste residue treatment mechanism is arranged on one side of the filtering box. According to the device, a sliding block is pushed downwards to enable a gear to drive a rack II to jack up a sieve plate upwards, and the sliding block drives a connecting rod to push a mounting shell and push waste residues to fall into a waste residue treatment mechanism through a funnel while moving downwards, so that the purpose of conveniently cleaning the waste residues on the surface of a filter plate is achieved, and the working efficiency is improved; and the practicability of the equipment is improved.

The invention discloses an air filtering device with an impurity anti-blocking cleaning structure, and relates to the technical field of air filtering, the air filtering device comprises a filtering box, a sealing door and air inlets, one side of the filtering box is rotatably connected with the sealing door, and the air inlets are symmetrically formed in one side of the filtering box. The height of the side, abutting against the pressing ring, of the tilting rod is increased, the height of the sliding frame located in the limiting frame is reduced, the brush cylinder on the sliding frame makes contact with the surface of the filter cylinder, automatic brushing in the rotating process of the filter cylinder is achieved, brushed impurities are pumped away from the filter box in a unified mode through the sewage discharging air pump, and meanwhile the surface of the filter cylinder is automatically cleaned by adjusting the rotating speed of the motor. And the subsequent rotation speed of the motor is increased, so that the brush cylinder is separated from the surface of the filter cylinder, and the whole service life of the brush cylinder is prevented from being influenced by long-time contact with the filter cylinder.

The utility model provides a filtering mechanism for an air conditioner fresh air system, which belongs to the technical field of fresh air filtering, and comprises a filtering box, an air outlet pipe is fixed on the side wall of the left end of the filtering box, the right end of the filtering box is fixedly connected with an outer plate through a screw, a dustproof net is fixedly connected in the outer plate, a mounting plate is fixedly connected in the filtering box, and the mounting plate is fixedly connected in the filtering box. A filter screen is fixedly connected into the mounting plate, and a mounting rod is arranged between the dustproof net and the filter screen. Through the arrangement of the mounting rod, the rotating shaft, the mounting head, the first cleaning brush, the nut, the mounting block, the second cleaning brush, the connecting frame, the gear ring, the assembly frame, the motor and the gear, the dust screen and the filter screen are automatically cleaned, the filtering effect is guaranteed, a cleaning piece can slowly rotate for use, abrasion is reduced, the cleaning piece is conveniently replaced, and the cleaning efficiency is improved. The problems that in the prior art, a filter screen is inconvenient to clean, and a cleaning piece is inconvenient to replace are solved.

The utility model relates to the technical field of water pump filtration, in particular to a water pump for filtering silt, which comprises a water pump body and is characterized in that a water pump rotor is arranged at the output end of the water pump body and is fixedly connected with a silt filtering component for filtering fine silt; and the outer side of the sediment filtering assembly is coated with an outer layer filtering assembly for filtering coarse impurities. The scraper blade is driven by the water pump rotor to rotate, fine silt gathered on the filter screen can be filtered through rotation of the scraper blade so as to enter the water cavity, the water cavity is arranged to prevent the rotation of the scraper blade from influencing the water inlet amount of the water pump body so as to stabilize output, large impurities are isolated outside when water flow passes through the space between the partition plate and the baffle, and the water flow is prevented from entering the water cavity. And the baffle can prevent impurities from directly impacting the filter screen to cause damage to the filter screen, and water inflow blockage can be effectively avoided.

The invention relates to the technical field of cooling water filtration, in particular to a thermal power plant cooling water waste heat recycling device which comprises a bearing assembly, and the bearing assembly comprises a storage tank and a bearing tank arranged above the storage tank; the filter assembly comprises an impeller frame arranged on the inner side of the bearing tank, the bearing assembly further comprises a drainage pipe arranged below the storage tank, a fixing ring is arranged on the outer side of the storage tank in a sleeving mode, supporting frames are arranged on the outer side of the fixing ring, and the supporting frames are arranged on the outer side of the fixing ring in a circumferential array mode; a top cover is arranged above the bearing tank, a water inlet pipe is arranged on the outer side of the bearing tank, and a water inlet is formed in the inner side of the water inlet pipe. And the cooling water can drive the filtering assembly to filter the cooling water through the falling impact force, so that impurities in the water are reduced.

The utility model relates to the technical field of crude oil filtering, and discloses an anti-blocking crude oil filtering device which comprises a filtering box and a water inlet pipe fixedly connected to the right side of the filtering box, the water outlet pipe is fixedly connected to the left side of the filter box; the filtering mechanism is arranged on the filtering box; the filtering mechanism comprises a transmission part; the transmission part is arranged on the filter box; a filtering part is arranged on the transmission part; and a cleaning part is arranged on one side of the filtering part. According to the crude oil filtering device capable of preventing blockage, the surface of the filtering net can be cleaned through the transmission part and the cleaning part, so that impurities adsorbed on the filtering net are removed, the problem that the impurities block the filtering net is avoided, the working efficiency of the filtering net is improved, the cleaned impurities can be collected through the collecting part, and the filtering effect is improved. And workers can conveniently and intensively clean impurities, the labor force of the workers is reduced, and the production efficiency is improved.