1175 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 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 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 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 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 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 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 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 invention belongs to the technical field of natural gas filtration, and particularly discloses a multi-field coupling synergistic natural gas coalescence, separation and filtration device which comprises a shell body, a vibration generator, a sound wave generator, a magnetic field generator, a filter element body and an integrated control module. A cavity is formed in the shell body, an air inlet and an air outlet which are communicated with the cavity are formed in the shell body, the filter element body is mounted in the cavity, and the interior of the filter element body is communicated with the air outlet; a hollow interlayer is arranged between the shell body and the cavity, and the magnetic field generator and the sound wave generator are both arranged in the hollow interlayer; the vibration generator is arranged on the filter element body; the integrated control module comprises a control unit. By means of the structural design, sound-magnetism-vibration multi-field synergistic interaction is achieved, the limitation of a single physical field is broken through, the self-cleaning function of the filter element body is effectively achieved, the blocking speed of pores of the filter element body is decreased, pressure loss is reduced, and the service life of the filter element body is prolonged.

The invention discloses a micro-power dust control machine capable of automatically collecting dust, and relates to the technical field of dust filtration. According to the micro-power dust control machine capable of automatically collecting dust, through the arrangement of the filter screen, in the air filtering process, the micro-power dust control machine can operate along with the filter screen to complete air filtering operation, an elastic shifting plate is driven to operate through a cleaning shaft rod, dust attached to the surface of the filter screen is flapped off, and therefore the dust can be effectively filtered. And then through cooperation of a discharging hopper and a sealing rotating plate, dust collection and automatic discharging operation are completed, meanwhile, in the dust discharging process, automatic sealing of a waste discharging groove opening can be achieved through a blocking sliding plate, it is avoided that dust rewinds into the machine body in the dust discharging process, and the dust control effect and operation convenience of equipment are further improved.

The invention relates to the technical field of flue gas circulating filtration, and discloses a flue gas waste heat utilization circulating filtration device which comprises a water tank, a mounting frame is slidably connected to one side of the water tank, a filter plate is slidably connected into the mounting frame, and two lock holes are symmetrically formed in one side of the filter plate. A first flow guide plate and a second flow guide plate are symmetrically and slidably connected to the interior of the side, close to the filter plate, of the water tank, a dust collection plate is fixedly connected to the surface of the side, close to the filter plate, of the second flow guide plate, and the dust collection plate and the second flow guide plate communicate with each other; the surfaces of the sides, away from the filter plate, of the second flow guide plate and the first flow guide plate are fixedly connected with flow guide pipes, a same connecting plate is fixedly connected between the first flow guide plate and the second flow guide plate, and a lifting mechanism used for lifting the air roller is arranged at the top of the connecting plate. Through the arrangement of the air roller, the filter plate can be cleaned.

The invention relates to the technical field of water filtration, and particularly discloses a lamination special for a laminated filter. According to the lamination, a flow channel is formed by an inner ring wall and an outer ring wall, and the core innovation lies in two-stage filtering design: a first-stage coarse filtering structure is arranged at an inlet of the outer ring wall and consists of a plurality of equidistant hexagonal filtering elements, and the elements are centrosymmetric and comprise equilateral triangle and rectangular structures; the secondary fine filtering structure is of a W-shaped rib structure, is formed by connecting a first rib, a third rib and a second rib in the middle end to end, and is divided into an outer chamber and an inner chamber by the top of the second rib; a vertical semi-elliptical hole is formed in the convex edge of the outer chamber and is used for providing a backwashing tangential force; a 30-degree inclined hole and a clean straight-through hole are formed in the third rib of the inner cavity, and fine filtration is realized by utilizing radial force of water flow. According to the laminated filter, the mechanical energy loss is reduced, the water flow impact force is maintained, and the starting pressure is reduced; the design that the overflowing area of the W-shaped cavity is gradually decreased strengthens the impact force of sand-containing water, head loss is reduced in cooperation with the semi-elliptical holes, tangential and radial scouring force is synchronously improved in the backwashing stage, and the problem of sediment accumulation is solved. The method is suitable for the fields of agricultural irrigation, sewage treatment and the like.

The utility model discloses a water conservancy project gate with an impurity filtering function, which comprises a gate structure, and the inner wall of the gate structure is connected with a cleaning mechanism in a sliding manner; according to the gate structure and the cleaning mechanism, the filter plate serves as a first defensive line, various impurities in water flow can be effectively blocked by matching with the leakage grooves transversely arranged along the outer wall of the filter plate, the sealing gasket at the bottom of the gate plate is tightly attached to the bottom of the filter plate to form a tight sealing defensive line, and meanwhile the rotary handle is rotated to seal the filter plate. The gate plate can be driven to move up and down through the lifting threaded rod in threaded connection with the gate plate, opening and closing work of the gate is achieved, the cleaning mechanism can be driven to move along the sliding groove by rotating the adjusting threaded rod, the rake tooth plate fixed to the supporting plate shuttles back and forth between the leakage grooves, and impurities are scraped down and collected into the collecting frame. And meanwhile, the inclined surfaces of the supporting plate and the guide plate interact with each other, so that each cleaning work can be smoothly, efficiently and circularly carried out.

The invention discloses environment-friendly purifying and filtering equipment for treating metal processing dust, and relates to the technical field of metal dust filtering, the environment-friendly purifying and filtering equipment comprises a bracket, two groups of filtering boxes are mounted on the bracket, the two groups of filtering boxes are symmetrically distributed front and back, an inlet pipe is mounted on the left side of each filtering box, and a linear motion module is mounted between the upper parts of the left sides of the two groups of filtering boxes; the output end of the linear motion module is provided with a switching assembly, and the output end of the switching assembly is provided with a switching pipe. A plurality of flow guide plates are mounted in the filter boxes, a group of cleaning components are mounted on each flow guide plate, and a working state switcher is mounted between the two filter boxes; a spraying assembly is installed in the middle of the upper end of the filter box. According to the environment-friendly purifying and filtering equipment for treating the metal processing dust, by arranging the two sets of filtering boxes, when one filtering box is in a dust filtering state, the other filtering box can be self-cleaned through the cleaning assembly, continuous operation of the equipment is guaranteed, the work stagnation time is shortened, and the use efficiency of the equipment is improved.

The invention relates to the technical field of flue gas dust removal and filtration, in particular to a filter unit tandem type dust remover and method for high-temperature flue gas. A dust accumulation hopper is arranged at the bottom of a first cavity of a dust removal device, a plurality of through holes are formed in a laminate, filter cylinders are installed in the through holes, and a flue gas inlet is formed in the side wall of the first cavity; a smoke outlet is formed in the side wall of the second cavity; a fixing mechanism is arranged at the bottom of the first cavity, the bottom of the filter cartridge is hermetically mounted on the fixing mechanism, an ash removal mechanism is arranged in the filter cartridge, a motor is arranged at the top end of the exterior of the third cavity, a threaded shaft is arranged at the output end of the motor, and the threaded shaft penetrates through the third cavity and the second cavity and extends into the first cavity; the threaded shaft located in the third cavity is in transmission with each set of ash removal mechanism through a gear assembly. According to the invention, through an integrated cooperative mechanism of dust cleaning, dust catching and dust discharging, continuous cleaning of the filter cartridge and whole-course closed-loop collection of dust are realized in a non-stop state, and secondary pollution of dust in the dust cleaning process is avoided.

The invention relates to the technical field of wood board processing gas filtration, and discloses an atmospheric dust removal device for high-frequency hot-pressing wood-plastic composite veneer processing, the atmospheric dust removal device comprises a tank shell, the outer wall of the tank shell is provided with a water level observation line, the bottom of the tank shell is fixedly connected with a support frame, the top of the tank shell is internally provided with a transmission fixed column, and the transmission fixed column is fixedly connected with the support frame. A filtering mechanism is arranged at the top of the tank shell, an air dispersing mechanism, a first reciprocating lead screw, a reciprocating moving rod and an inclined material guiding plate are arranged in the tank shell, the air inlet rotating opening is rotationally connected to the inner wall of the tank shell, and the first reciprocating lead screw is rotationally connected to the inner wall of the tank shell; in the rotating process of the material closing piece, blockage to the feeding pipe is lost, then sodium hydroxide is discharged from the material closing piece, then the sodium hydroxide is mixed with reciprocating movement of the spoiler under rotating stirring of the spraying head, smoke, ammonia water and sodium hydroxide in the material closing piece are mixed, reaction is promoted, and therefore formaldehyde generated by gas in plate machining is better removed.

The invention relates to the technical field of filtration, in particular to an on-line analyzer high-pressure filter which comprises a base, a first feeding pipe is arranged on the base, a first discharging pipe is arranged at the position, opposite to the first feeding pipe, of the base, a shell is further arranged on the base, a top plate is arranged on the shell, a plurality of telescopic rods are arranged on the top plate, and a second feeding pipe is arranged on the base. A telescopic rod is arranged on the base, a scraping plate is arranged on the telescopic rod, a material separating plate is further arranged on the telescopic rod, a filter element is further arranged on the base, a separating block is further arranged on the base, a second feeding pipe is further arranged on the base, a pressure valve is arranged on the second feeding pipe, and a connecting column is arranged on the pressure valve. The invention aims to provide a fluid which enters a standby filtering tank through a pressure valve, is filtered by a filter sheet, enters a communication ball through an alarm pipe and flows out clean fluid through a first discharge pipe, so that the device is prevented from being damaged due to excessive pressure caused by blockage of a filter element, and the effect of protecting the device is achieved.

The invention discloses a wastewater filtering treater, and relates to the technical field of wastewater filtering, the wastewater filtering treater comprises a filter and a multi-stage treatment assembly connected in series at one side of the filter, and further comprises a filter cartridge rotatably connected in the filter and used for filtering wastewater, a separation frame is movably connected between the front end of the filter cartridge and the filter, and a collection tank is arranged in the filter cartridge. A collecting cavity is formed between the inner wall of the filter and the filter cartridge, and the upper part of the collecting cavity is fixedly connected with a flushing pipe; a knocking assembly used for assisting in flushing impurities attached to the inner wall of the filter cylinder is arranged on the inner wall of the upper end of the filter and comprises a fixed cylinder fixedly connected to the inner wall of the upper end of the filter, a movable rod is movably connected into the fixed cylinder, and magnetic strips are fixedly connected to the outer wall of the filter cylinder in an annular array. Therefore, the adsorption capacity of impurities on the inner wall of the filter cartridge is reduced, the impurities attached to the inner wall of the filter cartridge can be washed off more easily, the smoothness of the filter cartridge is guaranteed, and the filtering effect of the filter cartridge is not affected.

The invention discloses an automatic pulse type backwash filtering system, which relates to the technical field of pulse type backwash filtering, and specifically comprises a filtering tank, the bottom of the filtering tank is communicated with a liquid inlet pipe, the liquid inlet pipe is provided with an electric valve I, the side wall of the filtering tank is communicated with a liquid outlet pipe, and the inner wall of the filtering tank is fixedly provided with a partition plate by welding; a trash holding filter cartridge I is uniformly fixed between the filter tank and the partition plate through bolts; according to the invention, a plurality of trash holding filter cartridges are connected in parallel, so that the trash holding filter cartridges can work in turn in the backwashing process, the design ensures that the flow fluctuation of the system is small, and the liquid discharge mechanism and the waste liquid treatment mechanism are switched, and the system can isolate the filter cartridges needing to be cleaned from a main flow path and guide sewage to flow out from other filter cartridges during backwashing; sewage generated in the backwashing process is treated by the waste liquid treatment mechanism and then is discharged back to the filtering tank again, so that the filtering operation without shutdown, no flow interruption and water conservation is realized.

The present invention relates to the field of filtration technology, and particularly relates to a cutting fluid filtration device for a numerical control machine tool, which comprises a housing, a disc, and a filtration component; a separation cylinder is arranged inside the housing; an annular groove is arranged on the inner side wall of the separation cylinder; a liquid outlet is arranged at the upper end of the separation cylinder; a liquid inlet pipe arranged vertically is inserted into the liquid outlet; an installation cylinder is rotatably installed coaxially at the lower end of the liquid inlet pipe; a plurality of discs are arranged and distributed up and down; the discs are in the shape of a conical cylinder with the small end facing upward; the horizontal section of the disc is in a shape of an annular wave; the annular wave-shaped disc promotes the rotation of the suspension in the disc gap, reduces the differential speed between the disc and the suspension, reduces the hysteresis of the rotation of the suspension, and improves the rotation speed of the suspension. At the same time, the annular wave-shaped disc is conducive to the collection of impurity particles at the concave part of the disc wave, so as to facilitate the collection of impurity particles at the groove under the action of centrifugal force and improve the solid-liquid separation effect.

The invention relates to the technical field of filtering, discloses a filter and a wind power gear box lubricating and cooling system applying the same, and solves the technical problems of complex structure and high manufacturing cost caused by independent configuration between a base and a bottom valve block. A filtered medium flow path temperature control distribution mechanism is arranged in the base, and the filtered medium flow path temperature control distribution mechanism distributes the filtered medium passing through the filtered medium flow collecting cavity into a first output channel and a second output channel through a temperature control valve set to be output respectively. The ratio of the flow of the filtered medium output through the first output channel to the flow of the filtered medium output through the second output channel is in positive correlation with the temperature of the filtered medium; the temperature control valve group is installed in the filtered medium flow collecting cavity and comprises a valve sleeve, a valve element and an elastic pre-tightening device. The overall structure of the filter is simplified, and the manufacturing cost is reduced.