83results about How to "High filtration precision" patented technology

The invention relates to a gas nano purifier. The gas nano purifier comprises a mounting seat, the gas storage bin is installed on the installation base and used for storing clean gas, the side wall of the upper portion of the gas storage bin extends upwards to form an installation plate, and a gas path through hole is formed in the middle of the installation plate; the gas-water separator is mounted on the mounting plate and is used for carrying out primary purification on to-be-cleaned gas; the adsorption tower is mounted on the mounting plate and is used for carrying out secondary purification on the to-be-cleaned gas; gas to be cleaned sequentially flows through the gas-water separator and the adsorption tower and then enters the gas storage bin; the adsorption tower is communicated with the gas storage bin through an exhaust pipe; and the exhaust pipe penetrates through the gas path through hole. Through the arrangement, the installation operation is greatly simplified, and the integrity and the space utilization rate of equipment are improved.

The utility model relates to a recycling device for waste electrolyte of a lithium ion battery, and belongs to the technical field of lithium battery processing. A cover plate is detachably mounted at the top end of the filter, a long rod is inserted into the inner wall of the filter, an insertion block is inserted into the inner wall of the long rod, a guide rod is fixedly connected to the inner wall of the insertion block, a limiting mechanism is arranged on the inner wall of the insertion block, a clamping groove is formed in the inner wall of the long rod, and a filter screen is fixedly connected to the outer wall of the insertion block. An adjusting assembly is arranged on the outer wall of the filter, and the limiting mechanism comprises an inclined plate. According to the utility model, a plurality of filter screens are adopted to carry out graded filtration on the lithium battery electrolyte, so that the filtration precision can be effectively improved, impurities can be accurately removed, and when the filter screens need to be replaced or cleaned, the long rod, the separation inclined plate and the clamping groove can be easily moved out, so that the rapid replacement of the single filter screen is realized, and the maintenance time and cost are greatly reduced; the continuous and efficient operation of the filtering process is ensured.

This utility model discloses an industrial processing fluid filtration system using the coagulation and diversion principle, comprising a three-compartment water tank, a low-voltage AC particle coagulation device, and a diversion filter cartridge. The three-compartment water tank is divided into a sludge tank, a filtration tank, and a supply tank. The low-voltage AC particle coagulation device includes a cylindrical electrode and an electrical control box. The diversion filter cartridge includes a cylindrical filter, and the interior of the cylindrical filter has a filter element parallel to the axis of the cylindrical filter. The three-compartment water tank, the low-voltage AC particle coagulation device, and the diversion filter cartridge are connected sequentially by water pipes. This industrial processing fluid filtration system using the coagulation and diversion principle is advanced in design, compact in structure, and easy to use. It aggregates fine particles in the processing fluid into larger particles, facilitating subsequent filtration, improving filtration efficiency and accuracy, and preventing excessive deposition and compaction of particles on the filter element surface, thus extending the service life of the filter element and avoiding frequent replacement.

The filter cloth capable of being assembled comprises a bottom frame of a round structure, a matched top frame is arranged above the bottom frame, a filter cloth body is clamped between the bottom frame and the top frame, round water passing openings are formed in the bottom frame and the top frame, an annular clamping groove is formed in the upper wall of the bottom frame, and the annular clamping groove is communicated with the annular water passing opening. The utility model relates to the technical field of filter cloth, due to the design of the bottom frame, the top frame and the filter cloth body, the filter cloth can be conveniently assembled and disassembled, when a certain part of the filter cloth body is damaged, the filter cloth body can be conveniently disassembled, and the filter cloth body can be conveniently assembled and disassembled. Compared with the prior art, only the filter cloth of the corresponding part needs to be replaced, overall replacement is not needed, cost is saved, meanwhile, the filter cloth bodies of different specifications can be selected according to different filtering requirements, flexible adjustment of the filter cloth is achieved through assembly of the bottom frame and the top frame, and the applicability of the filter cloth is improved.

The utility model relates to the technical field of lycopene production, in particular to a lycopene production ingredient blending device which comprises a blending box, a heating sleeve barrel is fixedly connected to the upper end of the blending box, a blending tank is fixedly connected to the interior of the heating sleeve barrel, a lifting air cylinder is fixedly connected to the position, located on the right side of the heating sleeve barrel, of the upper end of the blending box, and a connecting plate is fixedly connected to the output end of the lifting air cylinder; through the use of the stirring rod and the filter barrel I, ingredients are fully stirred and uniformly mixed at different depths, the stirring efficiency is improved, and meanwhile, the scraping blades fully clean and scrape the inner wall of the ingredient tank along with the rotation of the stirring blades, so that the adhesion of the materials is prevented, the mixing effect is improved, the heat transfer is promoted, and blended mixed liquid flows into the filter barrel II; the first filtering barrel rotates to drive the second filtering barrel to rotate synchronously, centrifugal force is generated to conduct double filtration on mixed liquid, the filtering precision is high, and the product quality of lycopene is effectively improved.

The utility model relates to the technical field of oral thick paste raw material processing, and discloses an oral thick paste raw material processing device which comprises a supporting frame, a processing barrel is installed in the supporting frame, a feeding port is fixedly connected to the top end of the processing barrel, a discharging port is fixedly connected to the bottom end of the processing barrel, and an access door is detachably connected to the outer portion of the discharging port. A stirring assembly is arranged in the processing barrel and used for stirring raw materials, an anti-sticking assembly is arranged in the processing barrel and used for cleaning the raw materials adhering to the inner wall, and a connecting assembly is arranged outside the processing barrel. According to the utility model, through the stirring rod driven by the motor, the rotating connecting block and the scraping plate, automatic stirring and mixing can be realized, the defects of manual stirring can be avoided, meanwhile, medicinal materials can be uniformly stirred and mixed in the decocting process, the medicine effect loss caused by local overheating or non-uniform stirring is reduced, and the production efficiency is improved. The quality of the oral thick paste is improved.

The utility model discloses a fracturing flow-back fluid multistage cyclone desanding device which comprises a processing support, a plurality of filter tanks are arranged on the processing support, the filter tanks are installed on the processing support in a step shape, filter rollers are arranged on the inner sides of the filter tanks, a pair of inclined blocks are arranged on the filter tanks, and the inclined blocks are arranged on the inner sides of the filter tanks. The utility model relates to the technical field of flowback fluid treatment, adopts the multi-stage filtering design, adopts the plurality of filtering basins which are installed in a step shape, and is matched with the filtering drum, the filtering nets and the filtering plates on the U-shaped inclined blocks, so that the flowback fluid can be effectively filtered, and the flowback fluid can be efficiently and efficiently treated by the filtering drum, the filtering nets and the filtering plates on the U-shaped inclined blocks and the like. According to the flow-back liquid filter, graded fine filtration can be carried out according to the characteristics of impurities with different particle sizes in flow-back liquid, the filtration precision is greatly improved, various solid substances, fine particles and suspended solids are effectively removed, and it is ensured that the treated liquid meets the high-standard recycling or discharging requirement.

The utility model discloses a kind of impurity filtering devices for dairy product processing, including base, outer shell and filter material mechanism, wherein, outer shell is movably connected on base, outer shell is equipped with feed pipe and discharge pipe, filter material mechanism includes coarse filter component, at least two connecting components, at least two fine filter components and first drive mechanism, wherein, first drive mechanism is set on base, at least two fine filter components are set on first drive mechanism, at least two fine filter components are set on coarse filter component by at least two connecting components, and contact with outer shell. Thus, adopt multistage filtering mode, cooperate dynamic dispersion filtration, improve filtering accuracy, reduce jam, improve filtering efficiency simultaneously, maintain production continuity, and device can be detachably set, easy to maintain, reduce labor intensity of staff.

This application discloses a high-precision laser tilt angle integrated measurement method and system, comprising the following steps: S1: periodically collecting measurement data, with the observation processing dataset storing historical measurement data; calculating the observation mean data and the mean error data; S2: if the mean error data is less than or equal to a preset mean error threshold, then the observation mean data is reported to the cloud platform; otherwise, more measurement data is collected; S3: using a gross error criterion to judge and filter the measurement data; S4: recalculating the mean error data; if the mean error data is still greater than the mean error threshold, using a preset trend change point detection method to analyze the changing trend of several of the measurement data; if a changing trend exists, more measurement data is collected and the process returns to step S3; S5: training a data filtering model, which receives instructions from the cloud platform to judge and filter the measurement data. This application has the effect of solving the displacement error caused by angle deviation and improving measurement accuracy.

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

This invention relates to the field of functional filtration materials technology, specifically to a gradient interlocking knitted-woven composite filter cloth. It comprises a woven dual-pore structure superoleophilic and oil-guiding surface layer, a knitted three-dimensional fluffy structure superoleophobic filter core layer, a conductive electret transition layer with a textured surface that eliminates static electricity and adsorbs fine oil mist, and a woven continuous microgroove structure superoleophobic and oil-draining bottom layer. These four layers are composited from top to bottom, forming an interlocking weave structure. The pore size of the filter core layer decreases gradually from top to bottom, while the pore size of the oil-draining bottom layer increases gradually from top to bottom. The overall pore size of the filter cloth first decreases gradually from top to bottom, then increases gradually. This filter cloth achieves graded and precise filtration through multi-layer composite structure and gradient pore size design. The interlocking weave structure enhances the overall structural stability, while also possessing multifunctional properties such as directional oil guidance and drainage, conductive electret antistatic properties, and more.

The application discloses a kind of multistage filtering devices for strontium chloride purification, comprising: base, left side fixed with support on it, right side circumferentially arranged with support seat;Filter cartridge, installed on the support;Ring seat, configured as two groups, respectively fixedly sleeved in the middle and upper part of the support seat;Purification cylinder, fixed on the ring seat, and its inside is equipped with purification mechanism;Cover, set at the top end position of the purification cylinder, and connected with the purification mechanism;And connecting pipe, communicated between the filter cartridge and the purification cylinder, and the interface between the purification cylinder is telescopic structure.

This invention discloses a cutting fluid circulation, purification, and recovery device for mold parts in the field of cutting fluid treatment technology. It includes a multi-layer magnetic filtration mechanism, comprising a housing with an inlet. Several sets of magnetic filter plates are arranged from top to bottom within the housing, and a cleaning section is provided above each magnetic filter plate. By employing the synergistic cooperation of multi-layer magnetic filtration and the cleaning section, this invention effectively solves the drawbacks of existing single-stage filtration methods, such as limited accuracy, easy clogging, and the need for frequent manual cleaning. The overall structure is compact and easy to maintain, making it suitable for centralized circulation and recovery of cutting fluid in small machining centers, mold workshops, and other similar settings. This improves processing efficiency while reducing labor intensity and overall operating costs.

The utility model relates to the technical field of metal water jet cutters, and discloses a water jet cutter assembly which comprises a water jet cutter body and a liquid storage pipe which are connected with each other, and a plurality of water jet cutter jet orifices are formed in the water jet cutter body. The filtering device is connected with the liquid storage pipe, and the filtering device is located between the water inlet of the liquid storage pipe and the water jet scalpel body on the flowing path of the liquid. The filtering device is installed on a key circulation path between the water inlet of the liquid storage pipe and the water jet cutter body, liquid is intercepted in the last link before entering the water jet cutter body, the passing probability of residual particles is remarkably reduced, and the residual particles are prevented from entering the water jet cutter jet orifice; and the whole system shutdown time caused by impurity accumulation can be shortened, and the production efficiency is improved.

The utility model relates to the technical field of vinyl chloride production drainage, concretely is automatic closed drainage device of vinyl chloride gas cabinet water separator in calcium carbide method production process, including water separator, closed drainage jar and waste water conveying component, one side of water separator is detachably connected with import sounding tube, the other end of import sounding tube is provided with water separator import pipeline, the bottom of water separator is detachably connected with first drainage pipeline, the other end of first drainage pipeline is detachably connected with the outer surface of closed drainage jar, the upper end of closed drainage jar is provided with balance pipeline, the other end of balance pipeline is detachably connected with the upper end of water separator. The automatic closed drainage device of vinyl chloride gas cabinet water separator in calcium carbide method production process, through water separator physical separation vinyl chloride gas moisture, closed drainage jar stores up waste water and prevents VC, acetylene volatilization, waste water conveying component automatically transports the waste water after filtration to downstream, solves the problem that the existing process relies on manual inspection drainage, waste water direct discharge pollutes the environment.

This application discloses a multi-stage filtration device for inorganic pigment production, belonging to the technical field of inorganic pigment production equipment. It includes a device body, internally comprising a primary filtration unit, a secondary cyclone unit, a precision filtration unit, and a heating module. The design is novel and the device ingenious. The slurry enters the coarse filter screen through the feed inlet. A vibrating motor prevents screen clogging. After preliminary filtration, the slurry enters the cyclone chamber, where centrifugal force separates medium-sized particles. Finally, it undergoes precision filtration through a sintered filter element. The backwash pipeline periodically reverse-flushes the filter element, triggering a backwash program every two hours for 30 seconds. Before shutdown, the feed is shut off, and the backwash is run three times. This improves filtration accuracy and effectively reduces the impurity content of the finished product. The backwash design extends the filter element's lifespan and maintenance cycle. The synergistic effect of cyclone and vibration increases the throughput when processing high-viscosity slurries, greatly enhancing the device's practicality.

Belonging to the technical field of underground water treatment, the invention provides an underground water treatment system, which comprises a raw water tank, a security filter, an ultrafiltration membrane assembly, an intermediate water tank, an ozone treatment device and a water production tank. An outlet of the raw water tank is communicated with an inlet of the main pipeline, and an outlet end of the main pipeline is communicated with the water producing tank; a security filter, an ultrafiltration membrane assembly, a middle water tank and an ozone treatment device are sequentially communicated from the inlet end to the outlet end of the main pipeline. Polluted groundwater is fed into the security filter through the high-pressure pump, suspended particles in the water are preliminarily removed, then the water enters the ultrafiltration membrane assembly for secondary filtration, macromolecular organic pollutants such as petroleum are further removed, the chemical oxygen demand of the polluted groundwater is greatly reduced, and the water subjected to secondary filtration flows into the middle water tank to be recycled. And further removing soluble organic matters in subsequent oxidation treatment.

The utility model discloses an efficient and energy-saving underground water exploitation well casing filtering protection device, and belongs to the technical field of underground water exploitation. The efficient and energy-saving underground water exploitation well casing filtering protection device comprises a supporting mechanism, a filtering mechanism and an auxiliary mechanism, the supporting mechanism comprises a base and a screw pump, and the input end of the screw pump is connected with the bottom end of the base; the filtering mechanism comprises a protective cylinder, the bottom end of the protective cylinder is in threaded connection with the upper end of the base, a filtering cylinder is arranged in the protective cylinder, a filtering cavity is formed between the inner side wall of the protective cylinder and the outer side wall of the filtering cylinder, and a mounting frame is fixedly mounted at the inner bottom end of the filtering cylinder; a rotating shaft is rotationally connected between the center of the upper end face of the mounting frame and the center of the top end in the filter cartridge, a scraping rod is mounted on one side of the rotating shaft, and one side of the scraping rod abuts against the inner wall of the filter cartridge; the auxiliary mechanism comprises a flexible solar panel, the flexible solar panel is arranged on the outer side of the bottom end of the protection cylinder in a sleeving mode, and the practicability of the filtering protection device can be effectively improved.

The utility model discloses a kind of anti-static filter bag for flue gas treatment, it is related to filter device technical field.To solve the problem of explosion and fire problem caused by static discharge spark when collecting dust in prior art.A kind of anti-static filter bag for flue gas treatment, including activated carbon adsorption layer, the upper surface of the activated carbon adsorption layer is fixedly installed with connecting rod, the top of connecting rod is fixed with mounting assembly, mounting assembly is installed with clamping block, clamping block is fixed on mounting ring, the bottom of mounting ring is fixed with anti-static filter bag main body, and anti-static filter bag main body is fixed by positioning assembly.This anti-static filter bag for flue gas treatment, the antistatic layer set up can effectively dredge the static electricity of anti-static filter bag main body surface, avoid the security risk caused by static electricity accumulation, remove the dust adhered to the surface of anti-static filter bag main body by the anti-static needle felt set up, avoid dust to block anti-static filter bag main body, affect the filtering effect of anti-static filter bag main body.

This invention relates to the field of brine purification technology in the salt production industry, and discloses a silicon carbide flat-sheet membrane brine purification system and process for the salt production industry. The invention uses a modular silicon carbide flat-sheet membrane filtration unit as its core, combined with a minimalist pretreatment feeding unit. Through the modular collaborative design of an open-top membrane tank shell at atmospheric pressure, a detachable stackable membrane tower, a negative pressure water production component, an array-type aeration component, and a refined brine backwashing component, it achieves negative pressure suction filtration with the membrane tower completely submerged in the crude brine, directly treating crude brine containing calcium and magnesium precipitates without the need for pre-filtering and circulation equipment. The modular design of each component in this system allows for easy assembly and disassembly, high filtration accuracy, low energy consumption, strong anti-fouling properties, and stable production of calcium and magnesium precipitates. 2+ +Mg 2+ The refined brine with ≤1ppm and SS≤1ppm has significant advantages over traditional ceramic membrane systems in terms of equipment investment, operating costs, membrane life and industrial adaptability. It can be widely used in brine refining in the salt industry and brine refining in chlor-alkali systems.

This utility model provides a dust filter device, belonging to the field of charging pile technology, including: a cyclone dust collector, which includes a dust collector shell, a negative pressure suction pipe, and at least one centrifugal separation unit; the dust collector shell includes an independent negative pressure chamber, an air inlet chamber, and a dust collection chamber, and the negative pressure suction pipe is connected to the interior of the negative pressure chamber; the centrifugal separation unit includes an air inlet pipe and an air outlet pipe, the inlet of the air inlet pipe is connected to the interior of the air inlet chamber, the outlet of the air inlet pipe is connected to the interior of the dust collection chamber, the inlet portion of the exhaust pipe extends into the inlet of the air inlet pipe, and the outlet of the exhaust pipe is connected to the interior of the negative pressure chamber, and a spiral guide vane is provided in the annular gap between the inner wall of the air inlet pipe and the outer wall of the exhaust pipe; the beneficial effects of this utility model are: the cyclone dust collector is not easily blocked by dust when maintaining a large air intake, and can effectively block conductive metal dust, eliminating the risk of short circuit caused by the accumulation of metal dust.

The utility model provides a kind of protective turbine box, it is related to engineering machinery technical field, specifically including turbine box body, bearing is included on turbine box body, the corresponding two sides of turbine box body outside are all provided with protective frame, two protective frames are all slidably connected with turbine box body, the inside fixed mounting of turbine box body has spiral infusion pipe, and the both ends of spiral infusion pipe all pass through the side of turbine box body and with its fixed connection, two protective frames are all provided with the through slot slidably connected with spiral infusion pipe.The cooling circulation of the application is formed by cooperating with external cooling device, can quickly absorb the heat generated by turbine box operation, effectively control equipment temperature, avoid the performance decline due to high temperature, prolong the service life of each component, ensure that equipment continues to operate efficiently at suitable temperature, and two sides protective frame can be blocked from external impact, rubbish intrusion, reduce the damage risk of turbine box body.

This application discloses a filtration device and a dishwasher. The filtration device includes a water collection shell, a filter assembly, and a push-suction component. The water collection shell has a water collection cavity with an inlet at the top. The filter assembly includes a primary filter and a secondary filter arranged sequentially along the water flow direction. The secondary filter is disposed within the water collection cavity, dividing the cavity into an inner filter cavity and an annular outer cavity surrounding the inner filter cavity and communicating with the inlet. The secondary filter includes a top sealing cap and a cylindrical filter screen disposed below the top sealing cap. The push-suction component includes a push surface and a suction surface arranged opposite to each other along the direction of rotation. During rotation, the push surface exerts a radial component of its pushing force on the water to push the water out of the annular outer cavity. During rotation, the suction surface exerts a radial component of its suction force on the water to draw the water into the inner filter cavity. The technical solution of this application can improve the filtration efficiency of the filtration device.

This utility model relates to the technical field of electronic oil pump covers for new energy vehicles, and discloses an electronic oil pump cover for new energy vehicles, including a base plate. Screws are threaded to the four corners of the top of the base plate. A pump cover body is fixedly connected to the inner wall of the middle of the base plate. A filter assembly is installed inside the pump cover body. Through the filter assembly, the connecting block and the filter frame are connected by bolts, insertion holes, insert blocks, threaded cylinders, and connecting plates to form a detachable assembly structure. During installation, the insert block is inserted into the insertion hole, the bolt is fitted into the slot, and then the threaded cylinder is tightened to securely fix the filter frame. This structure facilitates quick installation and disassembly of the filter assembly by operators. Simultaneously, the coarse, medium, and fine filter screens within the filter frame form a three-stage filtration system, which can intercept large, medium, and fine particles and impurities in the oil in layers, thus effectively improving filtration accuracy and efficiency.

The utility model relates to the technical field of filtering devices, and particularly discloses a multi-stage fine filtering device for a biological enzyme preparation, which comprises a pre-filter, a coarse filter and a fine filter which are arranged in sequence, a steam filter is arranged between the coarse filter and the fine filter; wherein each of the pre-filter, the coarse filter and the fine filter comprises a base, a cover body arranged at the top of the base, a locking piece for fixing the cover body at the top of the base and a microporous membrane filter element mounted at the top of the base and arranged in the cover body, and an input port communicated with an input cavity in the base is formed in the top of the base; according to the utility model, the series design of pre-filtration, rough filtration, steam sterilization and fine filtration reduces the impurity load step by step, the steam filter is arranged between the rough filtration and the fine filtration, and the sterilized liquid is subjected to fine filtration, so that the filtration precision is improved, the enzyme activity is prevented from being damaged due to incomplete sterilization or high temperature, the sterilization and filtration are synergistic, the sterility is ensured, and the enzyme activity is protected at the same time.

The invention discloses a preparation process of a stainless steel water tank integrating water filtering, and belongs to the field of kitchen utensil manufacturing. The process aims at solving the problems that an existing water tank needs to depend on an external filter basket and is inconvenient to use and difficult to clean. The core of the method is that after a water tank main body is formed, laser micro-texture pretreatment, preparation of a porous metal ceramic transition layer through atmospheric plasma spraying and preparation of a polymer precise filter membrane through ultrasonic spraying and sintering are sequentially performed on a water filtering functional area preset at the bottom of the water tank, and super-hydrophobic modification and edge sealing are performed on the filter membrane. By constructing a gradient composite functional structure of the high-strength porous transition layer, the precise microporous filter membrane and the super-hydrophobic surface, an efficient and durable physical filtering function is permanently integrated into the water tank body for the first time, and an external filter basket is replaced. The obtained water tank product has excellent filtering efficiency, extraordinary durability, extreme easy-to-clean property and good water permeability, and the integrated innovation of the function and the structure of the water tank is realized.

The utility model provides a novel vertical stainless steel sieve basket, including first flange, second flange, filter screen and reinforcing rib, first flange and second flange are fixedly connected through a plurality of reinforcing ribs, the shape of first flange and second flange is all circular ring, first flange, second flange and reinforcing rib constitute circular table, a plurality of reinforcing rib is equidistantly distributed on the generatrix of circular table side with circular table axis as center, in the utility model, through the fixed connection of flange, reinforcing rib and screen, the structure stability and buffer protection function are realized simultaneously, the connecting relation of support strip and sieve strip strengthens structure stability and prolongs the service life, the alternate arrangement and the slotted design of sieve strip improve the dehydration performance and realize the weight reduction energy saving, and many structures cooperate and improve the various deficiencies of traditional sieve basket comprehensively.

The utility model relates to the related technical field of water treatment, in particular to a water treatment all-in-one machine combining laminated filtering and automatic dosing, which comprises an equipment body, and the equipment body comprises an electric cabinet arranged at the top of the inner side of a cabinet body; a treatment assembly is arranged in the cabinet body and comprises a water inlet pipe penetrating through one side of the cabinet body; the laminated filter is arranged in the cabinet body; the backwashing valve is arranged between the water inlet pipe and the laminated filter; the medicine storage box is arranged at the inner bottom of the cabinet body; the suction pumps are symmetrical to the outer side of the water inlet pipe; the connecting pipe is arranged between the pesticide storage box and the suction pump; the blow-off pipe is arranged at the bottom of the backwashing valve and penetrates through the other side of the cabinet body; the water drainage pipe penetrates through the other side of the cabinet body and is located at the bottom of the backwashing valve, a laminated filter and dosing equipment are combined through the treatment assembly, an up-down structure is formed, and occupied space is saved.

The utility model discloses filter cloth for sewage treatment, which comprises a main frame, one side of the main frame is of an open structure and is connected with a blocking frame, one end of the blocking frame is hinged with the main frame, the other end of the blocking frame is detachably connected with the main frame through a limiting assembly, and two pairs of auxiliary frames are longitudinally arranged in the main frame at intervals. Two pairs of auxiliary frames are longitudinally arranged in the main frame at intervals, coarse filter cloth, fine filter cloth, deep filter cloth and functional filter cloth are respectively arranged in the two pairs of auxiliary frames from top to bottom, and caulking grooves allowing the auxiliary frames to be embedded in a sliding mode are formed in the inner walls of the two sides of the main frame. The coarse filter cloth, the fine filter cloth, the deep filter cloth and the functional filter cloth are respectively mounted, so that multi-layer and all-directional efficient filtration of sewage is realized, and the sewage treatment effect is greatly improved.

This utility model relates to a high-throughput rainwater filtration and separation device, comprising: a purification tank with an inlet pipe at its left end and a drain pipe at its right end, the drain pipe being connected to the inlet of a rainwater storage tank; a lower partition, located at the bottom of the purification tank and extending upwards, situated between the inlet pipe and the drain pipe; an upper partition, located at the top of the purification tank and extending downwards, situated between the inlet pipe and the drain pipe; and a filter device installed at the inlet of the drain pipe, through which rainwater is filtered and discharged from the drain pipe. The upper partition intercepts suspended solids, and the lower partition intercepts silt. Rainwater containing a small amount of suspended solids and silt is filtered by the filter device and discharged from the drain pipe, resulting in rainwater with high purity and excellent water quality flowing into the rainwater storage tank. The filter device intercepts a small amount of suspended solids and silt, making it less prone to clogging and extending its service life. Impurities remain inside the purification tank and do not flow out, causing pollution.