22 results about "Cloth filter" patented technology

The utility model relates to the technical field of water pollution treatment, in particular to a landscape water dialysis purification system. The system comprises a water intake pumping station, a water distribution well and a cloth filter tank, water taken by the water intake pumping station is conveyed into the water distribution well through a water inlet pipe of the water distribution well, the water inlet pipe of the water distribution well is connected with PAC and PAM pipelines, sewage is distributed into the cloth filter after being subjected to first flocculation and sedimentation in the water distribution well, PAM is added into a water outlet pipe of the water distribution well, pollutants in water are further subjected to flocculation and sedimentation in a flocculation and sedimentation section of the cloth filter, and the pollutants in the water are subjected to secondary flocculation and sedimentation. The sewage is filtered by the fiber rotary disc filter after two times of flocculating settling, and the filtered clear water can be discharged, so that the sewage is treated, the load of the fiber rotary disc filter is effectively reduced in the process, and the efficient treatment process of the sewage is ensured; sludge generated in the operation process of the system is collected and then filtered, so that the sludge produced by the system is treated.

The invention discloses a preparation method and application of a hydrophobic air filtering material based on lignin modification, and belongs to the technical field of personal protective articles. According to the method, environment-friendly lignin and a silane coupling agent are subjected to a pre-grafting reaction to prepare a functionalized impregnation liquid, a mask melt-blown cloth filter material is modified, and the modified mask melt-blown cloth filter material serves as a long-acting hydrophobic mask filter material to prepare a mask. According to the invention, a firm hydrophobic network is constructed on the surface of the fiber by utilizing the'molecular bridge 'effect of silane. The modified filter material prevents the filter efficiency from being reduced due to moisture, and meanwhile, the coating is resistant to airflow scouring through chemical bonding, so that the protective life of the mask is prolonged. Compared with a reported modification method, the preparation method disclosed by the invention has the comprehensive advantages of environmental friendliness, low cost and lasting performance.

The invention discloses a full-automatic online adsorption and desorption integrated device for organic waste gas, and belongs to the technical field of waste gas pollution treatment. A full-automatic online adsorption and desorption integrated device for organic waste gas comprises a powdery molecular sieve fluidized bed, a plurality of cloth cylinder filters are arranged in the powdery molecular sieve fluidized bed, a lifting ring capable of vertically moving up and down is arranged on the surface of any cloth cylinder filter, an inner ring is arranged in the lifting ring, and a sealing groove is formed in the inner wall of the inner ring. A sealing seat matched with the sealing groove is connected into the sealing groove in a sealed mode and fixedly connected with the lifting ring. Compared with a traditional fixed bed activated carbon adsorption device, the full-automatic online adsorption and desorption integrated device for the organic waste gas has the advantages that powder layers are formed on the surfaces of a plurality of cloth cylinder filters to perform adsorption treatment on the waste gas, so that the adsorption area of the powder layers on the waste gas is increased, and the treatment efficiency of the powder molecular sieve layer on the waste gas is further improved.

The invention provides a rural domestic sewage treatment system of an enhanced biological filter, which sequentially comprises a pretreatment unit, a biological filter unit, a biological filter unit and a sewage treatment unit along the water flow direction, and the pretreatment unit comprises a grating, a regulating tank and a hydrolysis acidification tank; the core biological treatment unit is communicated with a water outlet of the pretreatment unit, and the core biological treatment unit is formed by connecting a multi-stage anaerobic biological filter and a baffling type micro-aeration biological filter in series; and the deep treatment unit is communicated with the water outlet of the core biological treatment unit and comprises an inclined plate sedimentation tank and a cloth filter tank. The invention aims to overcome the defects of the existing rural domestic sewage treatment technology, particularly a centralized treatment technology, in the aspects of coping with complex water quality and cold climate, decentralized management, cost control and the like. The enhanced biological filter sewage treatment system and the enhanced biological filter sewage treatment method provided by the invention can stably operate under various terrain and climate conditions (especially in high and cold areas and high altitude areas), and are high in treatment efficiency and low in construction and operation cost.

The present invention relates to a water treatment system for pile fabric filtration, comprising at least one suction slot for backwashing, and a pile fabric filter having pile fibers fastened to a pile fabric support structure, wherein the pile fabric support structure has open, flow-relevant pores. According to the invention, the ratio of the slot area per suction bar to the area of the flow-relevant pores of the pile fabric support structure in the slot area per suction bar is between 1.1 and 9.5, preferably between 1.25 and 9, more preferably between 1.5 and 8.5, even more preferably between 2 and 8, even more preferably between 2.25 and 7.5, and particularly preferably between 2.5 and 7.

The utility model discloses a vibration pressure ultrafiltration automatic solid-liquid separation system which comprises an extrusion dehydration device, the extrusion dehydration device comprises a barrel, the bottom of the barrel is conical, a discharge port is formed in the bottom of the barrel, a discharge valve is arranged at the discharge port, a filter bag is arranged in the barrel, and the filter bag is connected with the extrusion dehydration device. The shape of the filter bag is attached to the inner wall of the barrel, openings are formed in the top and the bottom of the filter bag, an extrusion plate is connected to the opening in the top of the filter bag, an opening in the bottom of the filter bag is connected with a discharging port, a lifting extrusion mechanism is connected to the top of the extrusion plate, a feeding port is formed in the extrusion plate, and the lifting extrusion mechanism is connected with a discharging port. According to the utility model, a horizontal linear vibration screening technology and a membrane cloth filter pressing technology are combined, the aperture of meshes in the existing separation and extrusion technology is reduced from about 150 microns to below 40 microns, large deformable solids are prevented from being extruded back into liquid again in a spiral extrusion dehydration process, and the separation efficiency is ensured.

The utility model relates to the technical field of integrated cloth filter tanks, and discloses an integrated cloth filter tank, which solves the problems in the background technology, and comprises a filter tank main body, the top of the filter tank main body is rotatably connected with two upper covers, and the two upper covers are respectively positioned on the front side and the rear side of the top of the filter tank main body; a water inlet is further formed in the top of the upper cover, two second supporting plates are fixedly connected to the bottom of an inner cavity of the filter tank body, supporting frames are fixedly connected to the tops of the two second supporting plates, second rotating shafts are rotationally connected to the two supporting frames, and filter cloth plates are connected to the circumferential surfaces of the second rotating shafts in a sleeving mode. The sewage treatment device has the advantages that metal filings in sewage can be filtered, so that the effect of protecting the filter cloth is achieved, and adhered objects on the filter cloth can be automatically cleaned, so that the effects of preventing the adhered objects from blocking the filter cloth and avoiding reducing the filtering efficiency are achieved.

The embodiment of the utility model provides a filtering device, which is used for a desalting water system of a granulator and comprises a box body, the water segregator is mounted in the box body; the non-woven fabric filter is mounted in the box body and is positioned below the water segregator; the metal filter is positioned between the water segregator and the non-woven fabric filter; the metal filter is provided with a metal frame and at least one filter layer, the metal frame is detachably connected with the box body, the filter layer is fixed in the metal frame, and the filter layer is used for filtering impurities in demineralized water; and the distance between the metal filter and the water segregator is smaller than or equal to the distance between the metal filter and the non-woven fabric filter. According to the embodiment of the invention, the problem that the non-woven fabric can be broken through by powdery precipitates in demineralized water can be improved.

The application discloses a kind of textile printing and dyeing wastewater pollution treatment filter cloth filter equipment and its filtering method, it is related to printing and dyeing wastewater pollution treatment technical field, including wastewater pollution treatment filter, the top edge of one side of wastewater pollution treatment filter is fixedly installed with horizontal sliding table, the top side of horizontal sliding table is fixedly installed with sliding control box, the side of sliding control box is fixedly installed with power box.Add by adding the sewage that needs to be treated and chemical treatment agent in wastewater pollution treatment filter, also, add a certain proportion of flocculating agent, the rotation of transmission screw rod is controlled by sliding control box, the horizontal sliding of horizontal sliding disc on horizontal sliding rail is realized, the overall sliding operation of stirring arm is directly driven by the sliding of horizontal sliding disc, stirring rod in different positions is used for stirring operation in wastewater pollution treatment filter, the inclination angle of stirring rod can be adjusted by side rotary shaft, and then stirring angle is directly controlled.

The utility model relates to the technical field of cloth filter tanks, in particular to a combined landscape water treatment device. The cloth filter comprises a first tank body, a second tank body and a third tank body which are sequentially arranged from inside to outside, a first area is formed between the first tank body and the second tank body, a second area is formed between the second tank body and the third tank body, and fiber rotary disc filters are uniformly distributed in the second area. A third area is formed between every two adjacent fiber rotary disc filters, and sewage inlet water is directly introduced into the first tank body, then is distributed to the third area, is dispersed from inside to outside in the third area, is filtered by the fiber rotary disc filters and then is introduced into the first area. The combined landscape water treatment device disclosed by the utility model has the advantages that under the same treatment load, the occupied area is minimum, meanwhile, pollutants in sewage can be pre-precipitated, the treatment load of the fiber rotary disc filter can be effectively reduced, and the stable and efficient operation of the cloth filter is facilitated.

The utility model discloses a filter cloth installation mechanism and a filter cloth filter press thereof, and relates to the technical field of filter presses, the filter cloth installation mechanism comprises a frame plate, an installation rod is arranged in the frame plate, and the installation rod is used for supporting filter paper; sliding grooves are formed in the inner walls of the first moving blocks and the frame plates, the first moving blocks are interactively connected to the inner walls of the sliding grooves, first deep grooves are formed in the outer walls of the first moving blocks, second moving blocks are slidably connected to the inner walls of the first deep grooves, the mounting rods are fixedly connected to the middles of the outer walls of the second moving blocks, and elastic assemblies are arranged between the second moving blocks and the first deep grooves; and the lifting driving mechanism is arranged in the sliding groove, and the lifting driving mechanism is used for driving the second moving block to move. According to the utility model, the filter cloth is sleeved on the plurality of mounting rods, the elastic assembly is used for stretching the filter cloth left and right, then the lifting driving mechanism is started, the lifting driving mechanism drives the first moving block to move and stretches the filter cloth up and down, unevenness such as wrinkles of the filter cloth is avoided, and the filtering effect of the filter cloth is ensured.

The utility model discloses a filter effect inspection tool for filter cloth production, and relates to the technical field of filter cloth filter effect inspection, the filter effect inspection tool comprises a support assembly, a detection assembly and a fixing assembly, the support assembly comprises a housing and a fixing cylinder, the fixing cylinder is fixedly installed in the housing, the detection assembly is arranged in the support assembly, and the fixing cylinder is fixedly installed in the housing. The detection assembly comprises a motor and a stirring shaft, the stirring shaft is fixedly installed at one end of the motor, the fixing assembly is arranged in the supporting assembly and comprises a movable plate and a second spring, and the second spring is fixedly installed at the bottom of the movable plate. Under the combined action of the movable plate and the movable cylinder, the filter cloth is placed on the movable plate, the movable cylinder is driven by the air cylinder to move downwards, the bottom of the movable cylinder makes contact with the top of the movable plate, the filter cloth is clamped, the movable plate is squeezed downwards, the filter cloth makes contact with the top of the lower connecting cylinder, the filter cloth is tensioned, and the filter cloth is prevented from being wrinkled to affect the detection effect.

The invention provides a retaining wall inverted filter structure and a construction method thereof, and belongs to the field of building construction. According to the technical scheme, the retaining wall comprises a retaining wall body, an inverted filter body, a drainage pipeline, aerated water-permeable concrete blocks, backfill soil, an intercepting ditch and a drainage ditch, the inverted filter body is arranged on the retaining side of the retaining wall body, a plurality of water seepage pipes are arranged in the inverted filter body, and the aerated water-permeable concrete blocks are arranged on the outer side of the inverted filter body; backfill soil is arranged on the outer sides of the aerated water-permeable concrete blocks, and the lower ends of the water seepage pipes communicate with a drainage pipeline of the retaining wall body. The retaining wall has the beneficial effects that the inverted filter layer is arranged on the soil retaining side of the retaining wall body, and inverted filter drainage is achieved through the anti-crack leveling, waterproof material and polyurethane mortar interface in combination with the inner geotechnical cloth filter layer, the outer geotechnical cloth filter layer and the three-dimensional drainage pad; rainwater is guided and drained through the intercepting ditch, the water seepage pipe, the drainage pipeline and the drainage ditch, high-pressure cleaning of the detachable filter screen and a water level alarm are matched, and drainage and maintainability are improved.

Exemplary embodiments of a filter cartridge for a coffee machine are disclosed. According to one exemplary embodiment, a coffee machine filter cartridge may include a filter body having a water inlet, a grate and a water outlet, and a lid held on the filter body. The water inlet is disposed around the water outlet. The water outlet connects to one end of the grate through a pipe. The other end of the grate is held on the inner wall of the filter body and comprises a cloth filter. A filter chamber between the pipe and the filter body has a descaling core. When filtering and descaling, the water flows sequentially through the water inlet, filter chamber, grate, cloth filter, pipe, and water outlet. The cartridge is structurally simple, convenient and accessible to users; preventing clogging of the internal parts of the coffee machine by slow dissolution of the descaling agent.

The invention discloses air purifier equipment, and relates to the technical field of air purification, the air purifier equipment comprises a shell, clamping mechanisms are arranged at the bottom ends of the inner walls of the left side and the right side of the shell, a water tank is clamped by the inner walls of the clamping mechanisms, and a funnel vertically penetrates through one side of the top of the water tank; a filter element is vertically clamped in the middle of the top of the water tank, and a screen cloth mechanism is arranged outside the filter element; an air draft mechanism is arranged on the inner wall of the front side, above the filter element, of the shell; a connecting plug is arranged on the front side of the bottom end of the shell; and air inlets are formed in the lower ends of the outer walls of the left and right sides of the shell. According to the air purifier equipment, an electric heating ring in a filter element can dry the air purifier equipment to prevent mould breeding, a vibration motor assists pollutants in falling off and draining off mesh cloth, in a mesh cloth mechanism, first mesh cloth filters particulate matter and humidifies the particulate matter, and a three-layer structure of second mesh cloth increases the contact area; the purifying agent and pollutants such as formaldehyde are fully complexed and converted into solid salt and water, and efficient purification and humidification are achieved through cooperation of the two.

The utility model relates to the technical field of air purification, and discloses a double-effect carbon cloth clamping filtering device which comprises a filtering cavity and a multi-layer composite structure, an air inlet is formed in the top of the filtering cavity, an air outlet is formed in the bottom of the filtering cavity, a round bone net barrel is arranged in the filtering cavity, a supporting column is arranged in the middle of the round bone net barrel, and a plurality of air outlets are formed in the middle of the supporting column. The top ends and the bottom ends of the supporting columns are integrally connected to the top and the bottom of the circular bone net barrel respectively to form a stable structure, and supporting frameworks are arranged in the circular bone net barrel at equal intervals and tightly attached to the circular bone net barrel. Through the design of the multi-layer composite structure and the carbon clamping cloth layer arranged in the multi-layer composite structure, acid gas and VOCs are efficiently removed, the overall purification effect is improved, through the synergistic effect of the pre-filtering layer and the electrostatic adsorption layer, large particles are effectively intercepted, tiny particles are thoroughly removed, it is ensured that pollutants in air are comprehensively purified, and the air purification effect is improved. And freshness and health of indoor air are guaranteed.

The utility model is applicable to the technical field of mixing equipment, and provides a raw material mixing device, which comprises a mixing barrel internally provided with a stirring shaft, a material distribution filter screen arranged in the mixing barrel, and a first feed port and a second feed port which are positioned at the top and the bottom of the material distribution filter screen on the mixing barrel; the material distributing filter screen is arranged on the stirring shaft, the material scraping piece is connected with the stirring shaft in a sliding mode, the bottom of the material scraping piece is tightly attached to the top of the material distributing filter screen, and when the material scraping piece rotates relative to the material distributing filter screen, materials on the material distributing filter screen are evenly distributed on the material distributing filter screen. It is guaranteed that materials can be evenly distributed during feeding, and the mixing effect of the materials is optimized.

The invention relates to a garage roof self-drainage construction method. The method mainly comprises the steps of base layer cleaning, positioning and line snapping, non-curing coating, siphon drainage groove installation, composite polymer protection drainage special-shaped sheet laying, breathable observation pipe installation, geotechnical cloth filter layer detail lap joint treatment, vertical siphon installation, sediment observation well installation, self-inspection and acceptance, inspection and acceptance and soil backfilling. The waterproof quality of the garage roof is remarkably improved, zero-gradient and organized drainage are truly achieved, the construction period is shortened, and the planting roof construction experience is accumulated.

This utility model relates to the field of filtration technology, solving the problems of high usage and disposal costs associated with filter cloth filters. Specifically, it discloses a filtration device with a cloth-free filter element, including a filter barrel and a filter element. The filter element is disposed inside the filter barrel and includes a filter shell and a central rod disposed inside the filter shell. A filter end cap is detachably connected to the end of the filter shell, and the end cap has a central hole. The end of the central rod passes through the central hole and connects to the filter end cap. The end of the central rod is detachably connected to the filter barrel. The space between the inner wall of the filter shell and the central rod forms a filtration chamber, which is filled with filter material. The filter shell and the central rod allow the material to be filtered to pass sequentially from the outside of the filter shell into the filtration chamber and then into the central rod through filtration gaps on their surfaces. This utility model is used in oil filtration devices, featuring a cloth-free filter element that can be repeatedly recycled, saving costs.

The invention discloses an asphalt mixing waste gas purification device for highway construction, and belongs to the field of waste gas purification. Comprising a filtering and separating mechanism, and a spraying and purifying mechanism is arranged on the right side of the filtering and separating mechanism; the filtering and separating mechanism comprises a filtering box, a plurality of partition plates are integrally formed on the upper portion of the interior of the filtering box, an activated carbon adsorption layer is arranged in the filtering box and located above the multiple partition plates, and filtering cloth is detachably installed in the filtering box and located on the two sides of the multiple partition plates through bolts. Fine impurity particles in waste gas are filtered through the filter cloth, meanwhile, part of harmful components in the gas are adsorbed through the activated carbon adsorption layer, and the residual harmful gas is further decomposed and the waste gas generated by asphalt mixing is comprehensively purified in cooperation with spraying of a chemical mixed solution of the spraying mechanism subsequently, so that the environment-friendly emission requirement is met.