19results about How to "Restore filter capacity" patented technology

This invention discloses a solid-liquid separation device and method for red mud treatment, relating to the field of solid-liquid separation technology. The invention includes a base, a sedimentation tank fixedly connected to the top of the base, an inlet pipe fixedly connected to the top of the sedimentation tank, a separation mechanism on the top of the base, a rinsing mechanism on the front of the separation mechanism, and a squeezing mechanism on the top of the base. The invention uses an external controller to start a first motor, driving a rotating shaft and a sliding plate to rotate slowly. Under the buoyancy of the float, the sliding plate and its extraction unit remain suspended on the surface of the supernatant, effectively avoiding interference from the thick sludge at the bottom. Then, a first water pump is started, and the clear supernatant is extracted and transported to a storage tank via a flexible first pipe and a first and second rotary joint that can adapt to rotation. This ensures the quality of the supernatant recovery and provides convenience for subsequent rinsing or reuse. Simultaneously, the rotary design avoids disturbance to the settling interface.

This utility model relates to the field of roadbed drainage technology and discloses a roadbed drainage structure for municipal road construction, including a drainage box for placement at a drainage outlet. The box has openings at its top, left, and right ends, and a placement groove with a rainwater grate installed at the top opening. Two sets of fixing grooves are vertically arranged opposite each other inside the drainage box. Filter plates are detachably inserted into both sets of fixing grooves, with the filter holes of the two filter plates facing the left and right ends of the drainage box, respectively. The opposite sidewalls of the placement grooves abut against the sidewalls of the two filter plates. A receiving plate is located at the bottom of the drainage box between the two filter plates, and an extension frame is provided at its top. The opposite sidewalls of the extension frame are provided with several permeable holes. This utility model allows for easy disassembly of the filter structure, thereby achieving thorough removal of sticky substances.

The utility model provides a glycine drying tail gas treatment device belongs to glycine production technical field solves the problem that the prior art cannot recover small granular material and the poor absorption effect of methanol in the tail gas after the spray tower. The glycine drying tail gas treatment device includes pulse cloth bag dust collector, spray tower and granular carbon adsorption device, pulse cloth bag dust collector is used for separating gas and granular material, recycles granular material, the import of spray tower and the gas outlet of pulse cloth bag dust collector intercommunication, granular carbon adsorption device includes demister, drying heater and granular carbon adsorber, and the outlet of spray tower, demister, drying heater and granular carbon adsorber intercommunication in proper order, the outlet of granular carbon adsorber and total exhaust cylinder intercommunication, and granular carbon adsorber can adsorb the methanol in gas. The glycine drying tail gas treatment device can recover small granular material, can be accurate and efficient dust removal, can also adsorb the methanol remaining in tail gas.

The utility model relates to the technical field of methanol energy recovery, in particular to a high-pressure methanol energy recovery device which comprises a methanol separation tank, a discharge end of the methanol separation tank is communicated with a methanol filter, and a discharge end of the methanol filter is respectively communicated with a hydraulic turbine power generation device and a pressure reducing valve. One end of the hydraulic turbine power generation device is communicated with a pre-rectification system, the hydraulic turbine power generation device converts recycled energy into electric energy and then conveys the electric energy to the electric power system, the output end of the pressure reducing valve is communicated with the pre-rectification system, a filter element is inserted into the top face of the methanol filter, and the lower end of the methanol filter is communicated with an air inlet pipe. Effective recycling of high-pressure methanol energy is achieved, production interruption caused by faults of a hydraulic turbine power generation device is avoided, the backwashing assembly removes impurities accumulated on the surface of the filter element from the filter element through high-pressure nitrogen, the filtering performance of the filter element is conveniently and rapidly recovered, and the running stability and reliability of the methanol filter are improved.

The utility model relates to the technical field of hair driers, in particular to a hair drier which comprises a machine body and a replaceable filtering assembly, an air inlet part is arranged at one end of the machine body, an inner air inlet is formed in the air inlet part, the filtering assembly is detachably connected with the air inlet part, and air enters the machine body through the filtering assembly and the inner air inlet. The filter assembly can be replaced, and the filter assembly is detachably connected with the air inlet part, so that the filter assembly can be conveniently separated from the air inlet part during ash removal so as to directly replace a new filter assembly, and the filter assembly can be replaced and cleaned immediately after being disassembled. When an existing high-speed air blower brings high air speed, dust and impurities in the using environment are easily adsorbed on an air inlet mesh cover and enter the air blower in the using process, and the performance and safety problems that a motor is damaged, internal PCB devices are oxidized and the like are caused are solved. The detachable filter element is additionally arranged between the air inlet net cover and the external air inlet, so that the service life of the blower is greatly prolonged, and performance reduction and safety risks caused by dust accumulation are reduced.

The utility model relates to air filtering equipment technical field, and disclose a kind of self-cleaning air filter for liquid oxygen liquid nitrogen production, including box, filter core is movably connected in the box inner chamber, the filter core surface is provided with cleaning mechanism, the filter core top movably connected has engagement mechanism.The utility model drives main roller to drive synchronous belt circulation operation by motor, makes the shift pin push moving block reciprocating linear motion along the box side wall, drives cleaning brush to carry out comprehensive cleaning to filter core surface, and this design compared with traditional cleaning mode, it can cover larger cleaning area, effectively remove dust and impurities on filter core surface, restore the filtering performance of filter core, ensure that filter long-term stable operation, reduce the problem of the decline of filtering efficiency due to filter core blockage, and moving block and cleaning brush connection mode, so that cleaning brush appears abrasion after long-term use, operating personnel can quickly remove it from moving block, and install new cleaning brush.

This utility model relates to the field of dyeing and printing wastewater treatment technology, specifically a dyeing and printing wastewater pigment filtration device, including a filter box with external pipes on both sides. The filter box has a filter groove inside, a rinsing plate and a maintenance cover at the top, a splicing mechanism and a rinsing mechanism between the rinsing plate and the filter groove, a sealing box in the filter groove, a slot at the top of the sealing box connecting to the bottom, filter ports on both sides, a composite filter structure in the slot, and a threaded hole at one end of the sealing box penetrating the sealing box. This device achieves automatic cleaning of the composite filter structure through the cooperation of a movable sealing box and a rinsing structure, reducing maintenance difficulty and extending filter media life. The overall structure is reasonable and highly practical.

This utility model discloses a V-type sand filter air-water backwash distributor, belonging to the field of V-type sand filters. The side wall of the V-type sand filter body is equipped with multiple water and air pipes. Each water and air pipe forms a set of air-water backwash components and corresponds to a set of filter plates. Each water or air pipe has a flow monitoring pipe connected to its outer end, and a control valve is installed at the outer end of the flow monitoring pipe to control the opening and closing of the air and water supply. The equipment employs flange connections and sealing ring designs in multiple places to ensure reliable connections and good sealing. The inlet water pipe and liquid inlet valve allow for alternating use during equipment maintenance, improving flexibility. During maintenance, disassembling the inlet and outlet pipes, flow monitoring pipes, and control valves allows for inspection and cleaning of the water and air pipes, and facilitates easy cleaning or replacement of the filter plates, ensuring continuous and stable operation of the equipment. The equidistant distribution of the air-water backwash components and filter plates ensures a uniform and efficient filtration system.

The present invention provides an electroplating wastewater treatment station, which comprises: a precipitation assembly, which comprises a precipitation box, a main precipitation cavity and a liquid outlet cavity are arranged in the precipitation box, and an inclined filtration module is mounted in the liquid outlet cavity; the neutralizing assembly comprises a neutralizing box, a stirring part is mounted in the neutralizing box, and an opening and closing part is mounted at the bottom of one side of the neutralizing box; the filtering mechanism comprises a filtering box, a filtering cloth shaping assembly and a defoaming assembly; an extrusion plate is horizontally and slidably mounted in the filter box, a filter cavity is formed in the inner side of the extrusion plate, a driving part is connected to the outer side of the extrusion plate, and filter cloth arranged in a V shape is mounted in the filter cavity. Through partition design, integration of filtration, clarification and impurity sedimentation is achieved, the filter cloth is arranged in a V shape, an operation area for rapidly replacing the filter cloth is adopted, meanwhile, the filter cloth is backwashed through the filter cloth shaping assembly, fine impurities in filter cloth holes are removed, online maintenance of the filter cloth is achieved, and the filter cloth does not need to be dismounted after shutdown.

This invention provides a high-pressure filtration device for sealing ring rubber melt, comprising: a machine base; a conveying assembly disposed on the machine base, the conveying assembly including a conveying pipe for conveying the rubber melt; and a filtering assembly including a filter plate inserted on the conveying pipe, the filter plate being provided with at least two sets of filter screens for filtering impurities. This invention, through the cooperation of a first driving assembly and two sets of filter screens, achieves parallel operation of working and cleaning, avoiding the inefficiency of traditional equipment requiring machine shutdown for filter screen replacement. It introduces a specialized bushing assembly, solving the problem of difficulty in maintaining high-pressure sealing after switching in transverse sliding filter plates. Through active compression sealing, it can withstand higher levels of conveying pressure without leakage. The entire filtration, switching, sealing, and cleaning process forms a closed loop, greatly improving the automation level of sealing ring rubber pretreatment.

The embodiment of the utility model provides a kind of semiconductor factory circulating cooling water system, it is related to semiconductor manufacturing field.The utility model provides the semiconductor factory circulating cooling water system including cooling tower, mixed reaction pool, filter device and backwash device;Cooling tower is connected with terminal equipment, mixed reaction pool, and mixed reaction pool is used to carry out precipitation to calcium magnesium ion in cooling water;Cooling water in mixed reaction pool is transmitted to filter device bottom, and reflux pipeline is provided in filter device top, and filter device is backflowed to cooling tower by reflux pipeline after filtering cooling water, and cooling tower provides filtered cooling water to terminal equipment;Backwash device is set in filter device top, and the other end of backwash device is connected with liquid transmission pipe, and backwash device is washed to filter device by cooling water provided by liquid transmission pipe.The utility model provides the semiconductor factory circulating cooling water system in effective removal calcium magnesium ion in cooling water, and filtering effect is good.

The utility model relates to the technical field of filter boxes, and discloses a high negative pressure perspective polygonal filter box which comprises a filter box shell, the left side of the top of the filter box shell is fixedly connected with a supporting frame, the left side of the top of the supporting frame is fixedly connected with a motor, and the output end of the motor is fixedly connected with a first rotating shaft. The right side of the first rotating shaft is rotationally connected with the top of the left side of the supporting frame, a steel wire rope is fixedly connected to the outer wall of the first rotating shaft, a hook is fixedly connected to the bottom of the steel wire rope, a U-shaped frame is arranged at the bottom of the hook, and a filter plate is fixedly connected to the bottom of the U-shaped frame. According to the utility model, the U-shaped frame is hooked by the hook, and the steel wire rope is driven to be recycled by the motor, so that the filter plate is driven to move upwards, the filter plate can be conveniently and independently cleaned more comprehensively, impurities can be effectively removed, the filtering effect is ensured, the downtime of equipment caused by cleaning is shortened, and the usability and the production efficiency of the equipment are improved.

The application relates to the technical field of valve control technology, and discloses a smart valve control system, which comprises an upstream pipe and a downstream pipe, the upstream pipe and the downstream pipe are connected through a valve system; the valve system comprises two identical sub-valve systems, the upstream pipe and the downstream pipe are connected through the two sub-valve systems, the two sub-valve systems are in parallel relation, and a dredging module is arranged and used for back-flushing a filter system in a third target valve; the upstream pipe and the downstream pipe of the system are connected through the two identical sub-valve systems, even if one of the sub-valve systems fails, the other sub-valve system can still normally operate, meanwhile, the setting of the plurality of target pipes and valves also provides the possibility of backup and replacement to cope with the situation of component failure or damage; the filter can filter liquid; the dredging module is further arranged and used for back-flushing the filter system in the third target valve, the clogging and abrasion of the filter are reduced, the maintenance cost is saved, and the reliability and performance of the valve control system are improved.

The application belongs to the technical field of gas filtering equipment, and particularly relates to a dust collection and separation treatment device and method for a drying machine. The device comprises a butt joint pipe installed on a gas outlet of the drying machine, one end of the butt joint pipe is provided with a first internal thread opening, the first internal thread opening is threadedly connected with one end of an adjusting pipe, the other end of the adjusting pipe is threadedly connected with a first air outlet pipe, the device can achieve continuous monitoring effect when meeting different and complex gas drying and filtering requirements, can automatically perform dust cleaning operation to realize long-term operation of the device, can quickly switch the L-shaped air outlet pipe without disassembling the device, thereby ensuring that the drying machine can ensure the dust collection and separation treatment function for a long time without shutdown, and can ensure emergency dust cleaning and filtering effect, thereby realizing long-term operation of the device.

The utility model discloses a kind of mefenacet neutralization solution filtering devices, belong to mefenacet production technical field, its technical scheme main points include box, the top of the box is fixedly connected with lid by bolt, the inner chamber of the box is provided with filter assembly and with filter assembly cooperation use backwashing assembly, the filter assembly includes baffle and servo motor, the side of the baffle close to box inner wall is fixedly connected with the inner wall of box, the inside of the baffle is provided with let go through slot, circular plate is provided in the let go through slot, solve the filter device of existing generally using single filter core or filter screen structure, and single filtering structure is blocked after being impurity, need to stop machine disassembly cleaning, lead to production interruption, thereby reduce overall production efficiency, and existing when filtering structure is blocked, usually need to manually install after filter structure disassembly cleaning, it is more troublesome, bring inconvenience to operator Problem.

The utility model discloses a boiler pulse bag type dust collector which comprises a filtering box body, an air inlet pipe is fixedly installed on one side of the filtering box body, a cooling box is fixedly installed on one side of the air inlet pipe, an air conveying pipe is fixedly installed on one side of the cooling box, and a cooling pipe is fixedly installed in the cooling box. One end of the cooling pipe is communicated with the air inlet pipe, the other end of the cooling pipe is communicated with the air conveying pipe, a water inlet pipe is fixedly mounted on one side of the upper portion of the cooling box, a water outlet pipe is fixedly mounted on one side of the lower portion of the cooling box, and a mounting plate frame is fixedly mounted on the upper portion of the cooling box and fixedly connected with the filtering box body. According to the high-temperature boiler flue gas cooling device, the flue gas cooling capacity is achieved, practicability is improved, and therefore the problems that when high-temperature boiler flue gas is input into a dust remover to be filtered, the internal structure can be damaged, and stable filtering of the flue gas is affected are solved.

The utility model discloses a kind of for dyeing and finishing wastewater's treatment device, including box, filtering mechanism and backflush mechanism, the top of the box is provided with upper cover, detachably filtering mechanism is arranged between the upper cover and box, the lower portion of the filtering mechanism is provided with backflush mechanism;The backflush mechanism includes lead screw and slide rail, the slide rail is fixedly arranged on the lateral wall of the box, the lead screw is rotatably arranged in box, sliding block is slidably arranged on the slide rail, the sliding block is threadedly cooperated with the lead screw, the sliding block is provided with the spray head matched with the lower surface of the filtering mechanism.The utility model is used for dyeing and finishing wastewater's treatment device, simple structure, practical function, ingenious design, effectively solve the filtering mechanism often be blocked by the particle that is insoluble in water, influence filtration efficiency, need to stop cleaning when serious, bring certain difficult problem in use process.

The utility model discloses a gas silencer, and belongs to the technical field of silencers. The silencer comprises a shell, a connecting assembly, a filtering assembly and a silencing interlayer, the shell comprises an inner cylinder and an outer cylinder which are connected with each other, and a hollow cavity is formed between the inner cylinder and the outer cylinder; the connecting assembly comprises a connecting pipe, the connecting pipe is fixedly connected with the inner cylinder and inserted into the inner cylinder, and the connecting pipe can input high-pressure airflow into the shell; the filtering assembly is inserted into the connecting pipe, the filtering assembly is detachably connected with the connecting pipe, and the filtering assembly can filter high-pressure airflow; and the noise reduction interlayer is arranged in the cavity, and the noise reduction interlayer can weaken noise generated when the airflow passes through the cavity. According to the utility model, gas can be pre-filtered, and the filtering assembly can be replaced in time.

The invention relates to the technical field of sewage treatment, and discloses a sewage treatment net type impurity filtering and screening device which comprises a supporting frame, the top of the supporting frame is fixedly connected with a filtering barrel, one side of the upper surface of the filtering barrel is in through connection with a liquid inlet pipe, the lower surface of the filtering barrel is in through connection with a blow-off pipe and a drain pipe, and the drain pipe is arranged on one side of the blow-off pipe. The middle part of the filtering barrel is rotationally connected with a rotating shaft, and two screening screens are arranged in the filtering barrel. According to the invention, by arranging the rotating shaft and the screening screens and cooperating with the anti-blocking assembly, when one screening screen is blocked, the screening screen is quickly rotated to a cleaning station for treatment, and the other cleaned screening screen is immediately rotated to a working station for filtering, so that the treatment continuity and efficiency of sewage containing solid particles and impurities are improved; the high-pressure spray head is driven by the first electric cylinder to conduct reciprocating high-pressure washing on the cleaning station screen filter screen, the filtering performance is recovered, the filter screen can shake in a reciprocating mode in the filtering process, and surface impurities can be vibrated to be loosened conveniently.