65 results about "Double filtration" patented technology

The utility model provides a kind of air purification drying device for bottle blowing, it is related to bottle blowing processing technical field, and it includes: box body;The box body is fixed on bottle blowing equipment, and there is an exhaust pipe welded on the right side of box body, and the exhaust pipe is connected with bottle blowing gas supply pipeline, and filter screen seat is inserted on the box body.The device adopts filter screen and filter box double filtration structure, gas is first intercepted large particle impurities by filter screen, and then passes through filter box filled with filter cotton and activated carbon.Filter cotton can further filter fine particles, and activated carbon can effectively remove odour, harmful gas and other gases by virtue of strong adsorption capacity, and the combination of the two greatly improves the depth and precision of air purification;The base block at the top end of the inner wall of box body is connected with cleaning brush by spring rod, and when pulling filter screen seat, cleaning brush can automatically clean the sundries on filter screen, and spring rod can ensure that cleaning brush is always in close contact with filter screen, even if wear, it can also automatically follow up, reduce manual cleaning frequency, reduce maintenance cost and workload.

The utility model relates to a kind of multi-row vent hole pressure relief type high-temperature cooking pot cover, including: bottom cover, the central portion of which is provided with guide hole, the inside of guide hole is fixedly provided with installation pipe, the inside bottom end of installation pipe is provided with bearing platform, the top of bearing platform is provided with supporting spring, the center of supporting spring is provided with connecting rod;The inside bottom end of bottom cover is slidably provided with baffle, baffle is fixedly connected with connecting rod, and through slot hole is opened in the outer circumferential of baffle.The utility model relates to the technical field of pressure cooker cover.This kind of multi-row vent hole pressure relief type high-temperature cooking pot cover, baffle dynamic adjustment gap is combined with the double filtration of protruding ring and spiral guide ring, can reduce the possibility that food debris blocks pressure relief pipe, while multiple pressure relief pipe design ensures that high-pressure steam is released in segments quickly, avoid the risk of pot explosion caused by the sudden increase of pressure in pot;Stable pressure chamber and spiral vent hole make the discharged steam cooling and diffusion, significantly reduce the probability of user scald.

The utility model discloses a dust collecting filter bag convenient to dismount belongs to dust collecting filter bag field, including filter bag, the inside of filter bag is inserted with filter mechanism, the upper surface fixedly connected with connecting sleeve of filter bag, and the inside of connecting sleeve is penetrated with connecting rope, through the cooperation of above -mentioned each device, the utility model simple structure, convenient operation, through the filter mechanism of setting, when supporting in the filter bag inside with A support ring and B support ring, fast installation of plug -in rod and filter screen, the downtime of equipment can be reduced significantly to fast dismounting filter bag, and the maintenance speed can be accelerated to simplify the dismounting process, so that the maintenance team can complete more work in shorter time, after the installation of filter mechanism is completed, connecting rope, fixed buckle and fixed clamping sleeve are fixed in the filter bag, and when using, through filter screen and filter bag reach the effect of double filtration, improve the filtration effect, and can complete dismounting fast when installing, improve the convenience.

The utility model relates to galvanization production technical field discloses a kind of sewage evaporation mechanism of continuous galvanizing production line, including base and evaporating tank, the top of the base is fixed with evaporating tank.This sewage evaporation mechanism of continuous galvanizing production line when using, after main pipe is connected into external sewage introduction pipe, sewage can be introduced by main pipe, by using the inside filter screen of installation ring one, some particle impurities contained in sewage can be filtered and removed, reduce the impurity content in sewage, the sewage after pre-filtering is introduced into mechanism by water inlet pipe, when the inside filter screen of installation ring one needs cleaning, valve four and valve three are opened first, then valve one and valve two are closed, the sewage introduced into the inside of main pipe is introduced into the inside of installation ring two by branch pipe one and is pre-filtered, by setting double filtration component, it can be filtered without stopping, solve the problem that it is inconvenient to pre-filter sewage.

This utility model provides a novel columnar paint mist collector, including a shell. Multiple filter covers are fixedly installed on the inner wall of the shell. A first inner core is fixedly installed on the inner wall of each filter cover. A guide filter plate is fixedly installed on the outer wall of each filter cover. Multiple second inner cores are fixedly installed on the inner wall of each guide filter plate. Two full-coverage filter plates are also fitted onto the outer wall of each filter cover. Multiple third inner cores are fixedly installed on the inner wall of each full-coverage filter plate. The advantages of this utility model are: the guide filter plates reduce the leakage of air from the outside of the filter covers when they are misaligned; the full-coverage filter plates increase the overall filtration effect, thus adding a double filtration effect while filtering the filter cover at that position, thereby maintaining multiple filtration effects on the air while reducing the leakage of unfiltered air.

This utility model relates to the field of water purification technology, and in particular to water purification and filtration equipment for water conservancy projects. It includes a device body comprising an upper body and a lower body fixedly connected vertically, with a filter screen connected between them. A top cover assembly is provided at the upper end of the upper body. Several slots are provided on both sides of the interior of the upper body, and detachable filter plates are arranged between these slots. A rotatable dynamic filter assembly is provided inside the lower body, with one end of the dynamic filter assembly connected to a driving component. The driving component drives the dynamic filter assembly to rotate. A downwardly extending protrusion is fixedly connected to one end of the filter screen. This utility model employs a dual filtration method combining filter plates and a dynamic filter assembly. Compared to traditional single-media filter structures, this method effectively removes impurities and pollutants from water, significantly improving the removal rate of suspended solids and the adsorption efficiency of chemical pollutants.

The utility model belongs to the field of fire station, concretely relates to a fire pump miniature fire station, it includes river course, ladder, ground, water pump control cabinet, electric meter box, masonry support, fire pump, filter valve, fire pipe, galvanized channel steel steel support and stainless steel filter screen. Through reasonable layout each component, has realized miniaturization design, has collected water source extraction, water quality filtration, electric power control and equipment support function in an organic whole, is fit for small space deployment. Double filtration system has improved water quality cleanliness significantly, centralized management design has improved operation convenience, and the stable support structure has strengthened the security, and the optimization design has reduced the floor area and maintenance cost. The utility model solves the problem of the prior art that the equipment occupies large floor area, the water quality filtration effect is poor, the operation is inconvenient and the maintenance cost is high, has the advantage that energy -conserving and environment -friendly.

This utility model relates to the field of sand pump technology and discloses a sand pump with a debris isolation structure. It includes a sand pump body, an inlet pipe installed at the output end of the sand pump body via a flange, a screen installed at the end of the inlet pipe away from the sand pump body, and a filter screen plate installed at the end of the inlet pipe inside the screen. By installing a screen at one end of the inlet pipe at the output end of the sand pump body and a filter screen plate at the end of the inlet pipe inside the screen, dual filtration of the material entering the sand pump is achieved. First, the limiting nut can be unscrewed from the threaded pipe, at which point the blockage block can be removed from the screen. Then, the push rod can be manually rotated to drive the rotating plate and the rotating rod to rotate, causing the first and second cleaning plates to clean the filter screen plate and the inner wall of the screen, respectively. Debris will be discharged through the opening at the bottom of the screen, achieving the purpose of debris removal.

The utility model discloses a kind of heat pump condensate water tray anti-blocking devices, it is related to heat pump technical field;And the utility model includes disc body, the side fixed connection of disc body has filter device, the inside fixed mounting of disc body has water collecting tray, the upper inner wall between water collecting tray is fixedly connected with U-shaped plate symmetrically, the filter device includes main body, the water inlet and water outlet of through type are respectively set in the both sides of main body, multiple end faces of main body are all set with multiple connecting holes, the upper surface of valve cover is fixedly connected with filter screen, the utility model is cooperated by setting filter device and filter plate and deflector, double filtration of different aperture is carried out between filter plate and filter screen, impurity obstruction is effectively reduced, and through the guidance of supporting block and deflector, condensate water carries out certain degree of dry-wet separation, and filter plate and filter screen are conveniently cleaned, and it is convenient to maintain.

The utility model relates to the drip irrigation tape field, concretely relates to a kind of overlock formula drip irrigation tape with filter anti-blocking function, including main pipeline, branch pipeline and several drippers, further including first filter assembly, the first filter assembly detachably installed in the opposite end of main pipeline and branch pipeline, detachably installed with second filter assembly on the branch pipeline, several the dripper detachably installed on second filter assembly, the beneficial effects of the utility model are that: drip irrigation water can be effectively filtered by the way of double filtration, to greatly improve the water quality of drip irrigation water, to effectively prevent the clogging of dripper, and filter structure is conveniently disassembled, to facilitate subsequent cleaning replacement, convenient to use, suitable for promotion.

The utility model relates to jig cleaning technical field, and disclose a kind of suction type dryer cooler anti-blocking structure, including condenser main part and the air inlet pipe and air outlet pipe being set to the both ends of condenser main part, the inside oblique fixed of air inlet pipe is equipped with first filter screen;Air inlet pipe wall and located below first filter screen are fixedly provided with slag receiving box, and the top of slag receiving box and the wall of air inlet pipe are provided with slag receiving opening, the inside vertical fixed of slag receiving box is equipped with second filter screen, and the sidewall between slag receiving box and air inlet pipe is fixedly provided with connecting pipe.The utility model is through the first filter screen of the inside oblique of air inlet pipe and the second filter screen in slag receiving box, and first filter screen uses inclined setting, can continuously clean the impurity, particle and other substances filtered down, double filtration compressed air impurity, reduce cooler blockage risk;At the same time, it is convenient to clean first filter screen, improve maintenance efficiency.

The application belongs to the field of semiconductor crystal growth, and discloses a seed crystal automatic bonding process in a particle-free environment, aiming at solving the problems of particle pollution, positioning accuracy fluctuation and uneven glue layer in seed crystal bonding. Its characteristics are as follows: a clean positive pressure environment is constructed through double filtration and static elimination; the seed crystal is activated by plasma cleaning; six-dimensional submicron alignment compensation is performed by a visual module; a non-contact precision glue application is performed by using a piezoelectric dispensing valve; temperature control hot pressing bonding and bubble monitoring are performed in a vacuum environment; and finally, automatic quality detection is performed. Through the above scheme, the application realizes high-strength, zero-bubble and pollution-free bonding between the seed crystal and the seed crystal holder, and significantly improves the starting quality and consistency of large-size semiconductor crystal growth.

The application provides an integrated fuel pump, and belongs to the technical field of fuel pumps.The pump body is fixedly connected with a driving assembly for driving fuel delivery, the oil inlet end of the pump body is fixedly connected with a connecting head, and the connecting head is provided with a filtering mechanism for filtering fuel.The application adopts a double-filtering mechanism, dynamic filtering and cleaning avoid the blocking of the filter disc, ensure the continuous and pure supply of fuel, improve the combustion efficiency, reduce the wear and tear of the engine, and intelligently and conveniently handle impurities without manual disassembly, thereby reducing the maintenance cost and labor intensity, and without the need of stopping the oil supply during the cleaning of the two filtering assemblies, thereby ensuring the continuous operation of the equipment, effectively improving the equipment utilization and production efficiency, integrating the fuel delivery, filtering and cleaning functions in one, saving the installation space, reducing the risk of fuel leakage, and improving the integration and stability of the entire fuel system.

The utility model relates to environmental protection equipment technical field especially the granule filter mechanism for environmental protection management flue gas collecting device, including first granule filter mechanism, the first granule filter mechanism one end has and inserts the air pipe, the air pipe is away from the first granule filter mechanism one end and inserts the filter drum, the filter drum inside is provided with filter assembly, the filter drum below is provided with granule collection cylinder, the utility model under the action of filter assembly, the primary filter plate can carry out again primary filtration to the flue gas, the senior filter plate carries out more fine filtration to the flue gas subsequently, double filtration can effectively remove the granule of different particle sizes in the flue gas, further improved the filtration effect of flue gas, carry out secondary filtration to the flue gas after filtration simultaneously, can further separate the flue gas and granule, avoid single filtration, lead to the problem of the granule inside the flue gas remaining, further improve the effect of flue gas granule filtration.

The utility model belongs to aluminium alloy processing technical field, specifically is a kind of aluminium alloy processing waste chip recovery device, including filter bucket;The filter bucket top intercommunication has negative pressure suction nozzle;Filter screen is installed in the filter bucket inboard wall;Rotary motor is installed at the filter bucket bottom;Centrifugal barrel is fixedly connected at the rotary motor output end;The connecting pipe is interconnected at the centrifugal barrel bottom;Multiple magnets are fixedly connected at the centrifugal barrel inboard wall;The magnet is circumferentially evenly arranged and is provided in the centrifugal barrel inboard wall;Air filling bin is installed at the filter bucket top;Air inlet pipe is interconnected at the air filling bin side wall;Multiple exhaust holes are formed in the air filling bin bottom;By the double filtration setting of filter screen and centrifugal barrel, the aluminium alloy scrap inside the filter bucket can be filtered in detail, reduce the problem that useless impurity doped aluminium alloy scrap leads to the reduction of scrap purity;Also reduce the abrasion damage problem of part of impurities, such as iron filings, to mechanical equipment.

The utility model relates to the technical field of rhizoma polygonati saponin extraction, specifically a rhizoma polygonati saponin extraction device, including extraction box, connecting pipe, broken case and top cap, the top of extraction box is through connecting pipe and broken case through connection, the inner wall of extraction box is provided with connecting groove, the inner wall of connecting groove is connected with the leakage board of sliding, the both ends of leakage board top are fixedly connected with elevating gear, the bottom of extraction box is equipped with reaction chamber, the inner wall of connecting pipe is fixedly connected with filter screen. The utility model, through setting up the filter screen in connecting pipe and the leakage board in extraction box, can carry out double filtration to the material and extraction liquid in the rhizoma polygonati extraction process, block the undissolved residues etc, prevent its entering extraction box and influencing the subsequent extraction purity, through setting up the leakage board and elevating gear, electric push rod promotes the leakage board and moves up, makes the material and the inner top of extraction box form extrusion, realizes the efficient separation of extraction liquid and residue.

The utility model relates to wastewater waste heat recovery technical field discloses a kind of printing and dyeing wastewater waste heat recovery unit, including cold water pool, the cold water pool is connected with heat exchanger two and is provided with electromagnetic flowmeter on pipeline, the left end of the front side of heat exchanger two is connected with heat exchanger one by hot gas pipe, the right end of the back side of heat exchanger one is connected with the right end of the front side of heat exchanger two with cold gas pipe, the right side of heat exchanger one is fixedly connected with blowdown pipe, the right side of heat exchanger two is connected with energy storage tank by pipeline and is provided with pressure reducing valve on pipeline, the left side of heat exchanger one is connected with ultrasonic wave filter by pipeline and is provided with water pump and three-way valve one on pipeline.In the utility model, after the double filtration of pretreatment filtration and ultrasonic wave filter, the corrosivity of wastewater is significantly reduced, in addition, ceramic anticorrosive coating is sprayed in pipeline, further improve the service life of unit.

The present application relates to a kind of decelerator box cover plate mounting hole processing devices, which solves the problem of mixed processing of cutting waste liquid and waste by integrated solid-liquid separation recovery system: a plurality of parallel spaced filter hole bottom plates are used to realize the immediate in-situ separation of cutting fluid and waste, and the internal liquid conveying groove collects filtered liquid;Conveying belt arranged in the gap of bottom plate continuously conveys waste to detachable collection tank;And design double cutting fluid recovery path: primary recovery pumps the filter liquid of bottom plate into liquid storage tank by first conveying pump, and secondary recovery pumps the residual liquid in collection tank through filter screen by second conveying pump.The technical effect is that: gap conveying belt and filter hole bottom plate cooperate to realize online continuous cleaning of waste, reduce equipment downtime by more than 60%;Double filtration improves the utilization rate of cutting fluid by 60% and reduces the moisture content of waste to less than 5%;Overall structure solves the problems of cleaning difficulty, resource waste and environmental pollution caused by solid-liquid mixing.

This utility model relates to a multi-channel, multi-layer filtration wastewater treatment device for a pure water machine. It includes multiple wastewater treatment tanks, a control box on one side of each tank, an inner cavity with an upper mounting plate at the upper end and a lower mounting plate at the lower end, a filter cover between the upper and lower mounting plates, a filter element inside the filter cover, and mounting seats fixedly connected to both the upper and lower ends of the filter cover. Each mounting seat has a sealing slot and four insertion holes arranged in a circular array. Four locking components are fixedly connected to the upper surface of the mounting seat, also arranged in a circular array, for securing the upper mounting plate to the filter cover. This design allows for easy disassembly and installation of the filter structure, saving time and effort while significantly improving subsequent work efficiency. Furthermore, the dual filtration of the filter cover and filter element enhances the overall filtration effect.

The application relates to the technical field of building drainage floor drains, and discloses a building drainage floor drain structure capable of preventing blockage, which comprises a floor drain shell with an open top structure, a floor drain top plate fixedly installed at the top of the floor drain shell, and a circular-truncated-cone-shaped placing hole communicated with the floor drain shell and arranged at the top of the floor drain top plate. The application has the following advantages and effects: the circular-truncated-cone-shaped drain plate and the filter screen are used in cooperation, double filtration can be realized, the blockage risk can be effectively reduced, when the filter screen is blocked due to long-term use without cleaning, the horizontal floating plate and the vertical floating rod can automatically float up, the horizontal floating plate can be manually rotated to quickly remove the blockage, and after water around the floor drain top plate continuously enters the floor drain shell and is discharged, the horizontal floating plate and the vertical floating rod can automatically drop back to the original position under the action of the gravity, so that the horizontal floating plate and the vertical floating rod are prevented from being higher than the ground and causing the feet of pedestrians to be kicked.

The utility model relates to air conditioner fan -coil technology field especially, and more particularly to a fan -coil with air purification function, including fan -coil main part, the fixed mounting of the coil on fan -coil main part has the shell, the shell covers the periphery of the coil, the fixed mounting of double -shaft motor has in fan -coil main part, the two -way output shaft of double -shaft motor and fan -coil main part inside turbine fan impeller shaft are linked, still including the primary filter screen of setting in the shell both sides of fan -coil main part, the purification frame is set up to the primary filter screen of setting in the shell both sides of fan -coil main part, the primary filter screen is set up to the primary filter screen of setting in the shell both sides of fan -coil, the purification frame is set up to the primary filter screen of setting in the shell both sides in fan -coil main part, the purification frame is set up to the primary filter screen of setting inside the shell both sides in fan -coil main part, the purification frame is set up to the purification frame of setting in the shell both sides in fan -coil main part, the purification frame is set to the purification frame of setting in the shell both sides in fan -coil main part, the primary filter screen is set up to the primary filter screen of the setting in the shell both sides in fan -coil main part, the purification frame is set up in the primary filter screen of the setting in the shell both sides in fan -coil main part, and the primary filter screen is set up to the primary filter screen of the setting in the shell both side in fan -coil main part.

The utility model discloses a novel biogas decarburization purification device belongs to biogas decarburization purification technical field, including base, biogas decarburization purification subassembly and biogas filter subassembly, the biogas decarburization purification subassembly includes a plurality of biogas decarburization purification jar, and the outer surface of each biogas decarburization purification jar is connected with base, the biogas filter subassembly includes biogas filter frame, and the outer surface of biogas filter frame is connected with base, through the setting of biogas decarburization purification jar, cover plate, gas duct, exhaust pipe, first valve, booster pump, sealing washer, sealing washer and partition, not only make the sealing effect of equipment better, and make the decarburization purification effect of equipment to biogas better, the setting of biogas filter frame, annular chute, first filter screen, second filter screen and handle, not only make equipment can carry out double filtration to the impurity in biogas, thereby make the filtration effect of equipment to biogas better, and make people replace and clean first filter screen and second filter screen.

The utility model relates to a filter device belongs to sewage filter technical field, specifically a sewage double filtration's device, including the shell, the shell is fixedly connected with the water inlet pipe and the water outlet pipe, be equipped with two threaded rods in the shell, in the utility model, through the cooperation of coarse grid and fine grid filtration, coarse grid is installed perpendicularly in the filter end, adopts larger interval grid bar, intercepts branch, plastic bottle and so on large -sized sundries, fine grid is installed obliquely in the coarse grid downstream, adopts smaller interval grid bar, retains silt, chippings and so on small and medium -sized particle, has improved the filtration effect of the device greatly, and coarse grid and fine grid are assembled as independent unit through the sleeve pipe and threaded rod, can be individually disassembled and replaced, and all metal components of the device adopt stainless steel material, improve the service life of the device, guide the water flow to flow through double -stage grid gently through the design of slope, reduces the secondary blockage caused by turbulence.

The utility model belongs to the technical field of gate valve, especially relate to a filter gate valve, include: valve body, open fluid passage, valve plate, install in the valve body for controlling the opening and closing of fluid passage, control handle, with valve plate is connected for controlling the valve plate rises and falls, filter piece, including the base frame, a plurality of first filter screen and a plurality of second filter screen, set up water inlet chamber and water outlet chamber on the base frame, a plurality of first filter screen set up on the water inlet chamber, a plurality of second filter screen set up on the water outlet chamber, wherein, the base frame installs in the fluid passage of valve body, and the base frame and fluid passage form water chamber between, the utility model discloses beneficial effect is realized to the double filtration of fluid, thereby effectively filters off the solid particle in fluid, avoids solid particle impurity to accumulate between valve plate and valve body, prevents the leakage situation when the gate valve closes, and the practicality is high.

The utility model relates to air filtering technical field, and disclose a kind of air filtering device for medical oxygen generator, including shell, the shell bottom is fixedly connected with exhaust pipe, the shell inside is provided with filter mechanism, the shell top is provided with sealing mechanism, the filter mechanism includes support frame, the support frame is fixedly connected in shell inside, the support frame top is slidably connected with mounting seat, the mounting seat is slidably connected in shell inside, the mounting seat top is fixedly connected with connecting frame, when using, when medical oxygen generator is used, need to carry out filtering work to air, composite fiber filter frame and non-woven fabric filter core form double filtration structure, can carry out progressive depth purification to the air of entering oxygen generator, non-woven fabric filter core can preliminarily filter larger particulate matter, dust and other impurities in air, composite fiber filter frame can further adsorb fine particles, peculiar smell and part of microorganism.

The application relates to the technical field of oil filters, in particular to a double-filtering type oil filter which comprises a shell, a primary separation assembly, a secondary filtering assembly and an automatic blowdown device. The primary separation assembly realizes pre-separation of large-particle impurities through a flow guide plate and a centrifugal chamber, a sedimentation tank concentrates and deposits impurities and discharges the impurities through the automatic blowdown device; the secondary filtering assembly adopts a double-layer filter element design, the outer filter element intercepts larger particles, the inner filter element performs deep filtration, and a separation support optimizes a flow path; the automatic blowdown device monitors pressure changes through a differential pressure sensor and drives a blowdown valve to open. The application realizes graded treatment of impurities, avoids blockage, reduces maintenance frequency, and improves filtering efficiency and economy.

The utility model discloses oil control valve filter structure with self -cleaning function, including the installation ring, the installation ring's upper end all around is provided with the mounting hole, the inner wall of installation ring is provided with the fixed ring, the inner wall screw thread connection of fixed ring has the filter ring cylinder, the outer wall rotation of filter ring cylinder is connected with the liquid outlet mechanism, the inner wall inlaying connection of filter ring cylinder has the filter mechanism. Through setting liquid outlet mechanism can make equipment can according to the flow and pressure of oil automatic adjustment drain pipe's oil outlet direction and oil output, realized the automatic cleaning and filter of oil, avoided the problem of the size particle impurity blockage in traditional oil control valve filter structure because of a layer of filter screen hole, through the filter mechanism that sets up can make equipment can carry out multistage filtration to oil, improved the purity of oil, the setting of filter ring no.