96results about How to "Large filter area" 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 application discloses a kind of carbon dioxide methyl ester raw gas purification filter pollution devices, it includes horizontally arranged cylinder, coaxial tower type ladder filter assembly and translation pneumatic purging assembly are arranged in the cylinder, the tower type ladder filter assembly includes several end face filter parts and cylinder filter parts that are alternately connected in sequence;The beneficial effects of the application: the tower type ladder filter assembly of the application is designed to filter carbon dioxide methyl ester raw gas, the tower structure can effectively increase the filter area, thereby improving the filtering efficiency;Tower type ladder filter assembly has matching end face filter parts and cylinder filter parts, with axial airflow and radial airflow filtering function, according to the gas direction to axial filtration as main, radial filtration as auxiliary, long service life;According to the actual use characteristics of end face filter parts and cylinder filter parts, design translation pneumatic purging assembly and spray cleaning assembly to clean tower type ladder filter assembly, cleaning is fast and efficient.

The utility model discloses a portable air purifier, which relates to the technical field of air purification and comprises a purifier top seat, the top of the purifier top seat is fixedly connected with a support, the bottom of the purifier top seat is provided with a plurality of filter screen cylinders, and the bottoms of the filter screen cylinders are in threaded connection with a base. The clamping seat at the bottom of the top seat of the purifier can be directly assembled with the threaded seat on the base in a threaded mode, at the moment, the overall size becomes very small, carrying is convenient, when the purifier needs to be used, after the top seat and the base of the purifier are disassembled in a threaded mode, the number of the filter screen cylinders can be taken out according to needs, and the filter screen cylinders are assembled; after the multiple filter screen cylinders are spliced, the filtering area of the folding filter screen is increased, meanwhile, the filter screen cylinders are convenient to replace, and a stable triangular state is formed by the telescopic rod and one corner of the base and the table top for supporting; the device can purify air and adjust the angle at the same time to achieve the effect of blowing and cooling as a desktop fan in hot weather.

The utility model provides a kind of security filter convenient to replace, including shell and the screw rod of the lifting assembly being arranged in its upper cavity, first sensor, second sensor, sealing unit, a plurality of first filter components and a plurality of second filter components, and first sensor, second sensor are respectively installed in the upper portion and lower portion in shell;The upper portion of shell is connected with upper cover, and opposite sides are respectively provided with water inlet and water outlet, and first filter component and second filter component are sequentially and alternately sleeved in the outside of lifting assembly screw rod below water inlet, and first filter component, second filter component are arranged at angle;Lifting assembly is used to drive first filter component, second filter component up and down movement.The security filter convenient to replace of the utility model, the structure of lifting assembly and filter component being arranged, so that filter plate can be automatically lifted to the outside of shell, facilitate staff maintenance and replacement, reduce the operation difficulty, improve work efficiency.

The utility model relates to the technical field of oil fume filtering equipment, and provides an oil fume filtering and discharging device which comprises a shell, a filtering cavity is formed in the shell, the filtering cavity is provided with an air inlet and an air outlet, the air inlet and the air outlet are communicated with the outside of the shell, and the air inlet faces an oil fume generating position of a kitchen; the first filter paper is obliquely arranged in the filter cavity and located between the air inlet and the air outlet, and the first filter paper is used for filtering water vapor in the lampblack; the bracket is arranged in the filtering cavity, keeps in contact with the first filter paper and is used for supporting the first filter paper; the second filter paper is obliquely arranged in the filter cavity, is positioned between the bracket and the air outlet, and is used for filtering particulate matters in the oil smoke; the first fan is arranged in the filtering cavity and used for forming airflow in the shell. By means of the technical scheme, the problem that in an existing oil fume filtering and discharging device, the filtering effect on oil fume cannot meet the requirement due to the fact that filter paper adsorbs water vapor and deforms is solved.

The utility model relates to the technical field of water purification equipment, in particular to a filter element and water purification equipment with the same. Comprising an explosion-proof shell and a plurality of groups of filtering assemblies, the upper end of the explosion-proof shell is communicated with a water inlet shell, the water inlet shell is communicated with a water inlet pipe joint, and the explosion-proof shell is communicated with a water outlet pipe joint; the plurality of groups of filter assemblies are mounted on the inner side of the explosion-proof shell, each filter assembly comprises a PP cotton cylindrical filter screen and an activated carbon cylindrical filter screen arranged on the outer side of the PP cotton cylindrical filter screen, a plurality of communicating pipes communicated with an inner cavity of the water inlet shell are connected to the top end of the interior of the explosion-proof shell, and the plurality of communicating pipes are respectively communicated with the plurality of PP cotton cylindrical filter screens. Compared with a conventional filter element, the filter element arranged in the technical scheme can enlarge the filtering area of the filter element under the same cavity volume, so that the filtering efficiency of a water body is improved.

The utility model discloses a kind of air-water separation machines for textile dewatering production line, including tank, tank top is equipped with the tank cover of being able to open and close, tank top end and bottom end are equipped with the air outlet and air inlet of the communication external air passage, air inlet and air outlet the side wall of tank communication, realize eccentric setting, tank inside is equipped with shutter, and through-hole is equipped on shutter, shutter position is higher than air inlet, and filter cover is equipped above shutter, and filter cover carries out filtration to the gas of circulation in tank;The tank bottom is equipped with drainage;Mounting plate is equipped on tank inner wall, for installing filter cover;Mounting plate is set as the annular plate of center through, filter cover is set as conical, flange plate and lifting rod are set in one end of filter cover, filter cover tip end is inserted into mounting plate and is fixed mounting plate and flange plate on filter cover by bolt screwing down.The utility model can improve the efficiency of gas rotation by the cooperation of shutter and conical filter cover, improve the effect and efficiency of rotary separation water body.

This utility model relates to the field of organosilicon processing technology, and in particular to an impurity filtration device for organosilicon processing. It solves the problem in existing technologies where multiple filter plates are typically fixedly installed inside the reactor body, making it impossible to remove them all at once. This results in the need to disassemble each filter plate individually when replacement or cleaning is required, leading to cumbersome and time-consuming operations that severely impact production rhythm and equipment efficiency. The impurity filtration device for organosilicon processing includes a reactor body, a top cover connected to the top of the reactor body, and a feed hopper. Lifting frames are installed on both sides inside the reactor body. This utility model, through its detachable connection structure and overall removal design, allows for quick and easy disassembly and replacement of the filter plates, significantly simplifying the maintenance process, improving operational convenience and equipment efficiency. It effectively solves the problems of inconvenient disassembly and time-consuming cleaning of traditional filter plates, improving production continuity and equipment utilization.

The utility model discloses a multilayer formula pressurization filter appearance relates to filter technical field, including filter appearance outer frame mechanism, the upper end of filter appearance outer frame mechanism is pressed and is connected with pressurization test cover mechanism, the inside bushing of filter appearance outer frame mechanism is connected with the built -in filter mechanism for filtering, the utility model solves the water filter filter screen blockage of existing, difficult to clean, and the problem of low filter screen filtering efficiency, the utility model passes through the setting of built -in filter mechanism, makes the water of external pump pipe input directly input plug -in inside, then completes filtering in proper order through two layers of filter drum, and the filtering connecting piece is the tubular filter structure, and the filtering area is big, and the efficiency is high, through the setting of filter appearance outer frame mechanism, the lower end center of filter box body is connected with the cleaning pipe, and the cleaning pipe is vertically set, and the vertically set cleaning pipe is convenient for opening switch after filtering, and the water reserved in filter box body carries out self -cleaning to filtering connecting piece, avoids the blockage.

This utility model relates to the field of injection molding nozzle technology and discloses a filter device for injection molding machine nozzles, including an injection tube and an injection nozzle. A connecting seat is fixedly installed on the outer edge of the injection tube at the end away from the injection nozzle. An external thread is formed on the outer edge of the injection tube at the end away from the injection nozzle. A limiting groove is formed on the inner wall of the injection tube away from the connecting seat. A filter assembly is set on the injection tube through the limiting groove. The filter assembly includes a filter sleeve, and a through groove and a filter groove are formed on the outer edge of the filter sleeve. This filter device for injection molding machine nozzles, through the design of a sliding ring, can be driven to reciprocate by the pressure. Subsequently, a connecting rod can drive a scraper to reciprocate along the inner wall of the filter sleeve. Utilizing the adhesion characteristics of the scraper to the inner wall of the filter sleeve, impurities attached to the vicinity of the filter groove are scraped off in time, preventing the filter groove from clogging. This avoids the need for additional motors and mechanical seals, which would easily lead to higher costs and be inconvenient for widespread use.

The utility model discloses an underground mine ventilation device which comprises a ventilator, an air outlet pipe is arranged at the top of the front side of the ventilator, an air inlet pipe is arranged on the right side of the ventilator, a filtering piece is arranged at the end of the air inlet pipe and is designed to be of a structure with more than half of a sphere, and a fixing mechanism is arranged between the filtering piece and the air inlet pipe. According to the underground mine ventilation device, the filtering part of the more than half spherical structure is arranged, so that the filtering area is greatly increased, and compared with a traditional filtering part, the filtering efficiency is effectively improved; through the fixing mechanism with the locking ring matched with the positioning ring, the filtering piece can be rapidly mounted or dismounted only by rotating the driving rod, operation is easy and convenient, and the maintenance difficulty and time cost are reduced.

The utility model relates to the field of curing agent processing, and disclose a kind of curing agent impurity removal device, including cylinder, liquid outlet pipe is installed to the bottom end outside cylinder, the inside of cylinder is equipped with filter mechanism, the top of cylinder is equipped with cleaning mechanism, the filter mechanism includes filter cover, the inside of cylinder is fixedly installed in filter cover, the top of filter cover is fixedly installed with communicating pipe, the top of communicating pipe is equipped with motor, the outside of communicating pipe is equipped with liquid inlet pipe, the output shaft bottom end of motor and located the inside of filter cover installs shaft rod, the outside of shaft rod is fixedly installed with several scrapers. Through filter cover and scraper, increase the filtering area of curing agent, can scrape off the impurities filtered, and prevent curing agent from being discharged with waste residue;Through lifting ring, the curing agent raw materials adhered to the inner wall of cylinder and the outer wall of filter cover can be periodically scraped and cleaned, reducing the waste of raw materials.

This utility model discloses an easy-to-clean filter box, comprising: a filter box body, the filter box body being hollow and forming a first chamber and a second chamber, an air inlet pipe and an exhaust pipe connected to the upper end of the filter box body, and several windows opened on the rear surface of the filter box body, with sealing plates installed inside the windows; an isolation plate, located between the first chamber and the second chamber, with the filter box body fixedly connected to the upper end and both ends of the isolation plate; a support assembly, two of which are stacked vertically, located inside the first chamber; a filter screen, the filter screen being installed on the upper end of the support assembly, the filter screen having a convex structure; and multiple fixing assemblies, multiple of which are installed on both sides of the upper end of each sealing plate. This utility model achieves the dual advantages of high-efficiency filtration and easy cleaning through the easily openable and closable sealing plate, the easily accessible filter screen, and the stable support and fixing structure, and has a stable structure and strong adaptability.

A method for preparing rubber powder by high-pressure water jet composite method, the preparation steps are: S1. crushing rubber particles; S2. impact filtration; S3. in-liquid circulation of rubber powder; S4. solid phase separation and recovery. The cavitation effect and high-speed impact effect in the super-high-pressure water jet of the application can make the rubber material achieve the effect of low-temperature crushing at room temperature, so that the fine rubber powder can be prepared at room temperature with low energy consumption, low cost and green environmental protection. The impact filtration device not only accelerates the flow rate of the rubber powder liquid, but also maximizes the actual filtration area of the filter cartridge, greatly improving the filtration effect and efficiency.

The utility model discloses a kind of filter elements of self-suction filter type anti-particle respirator, belong to dust respirator technical field, including bottom shell, fixedly arranged in the three-dimensional filter assembly of the bottom shell inside and the upper cover buckled in the top of the bottom shell, the outside of the bottom shell is provided with filter material renewal assembly, electrostatic filter paper is provided between the three-dimensional filter assembly and the upper cover, the both ends of the electrostatic filter paper protrude the gap between the upper cover and the bottom shell and connect on the filter material renewal assembly.The utility model is through the surface filter paper and three-dimensional flow guide structure of renewability, synchronously conquers the double bottleneck of material waste and insufficient air permeability in prior art, while having use comfort along with guaranteeing protection performance.

This utility model discloses a dust collector with a self-cleaning filter element function, including a housing. An air inlet is provided at the upper end of the housing. A horizontal plate is fixedly connected inside the housing, and a vertical plate is fixedly connected to the lower end of the horizontal plate. The horizontal and vertical plates divide the internal space of the housing into an air intake chamber, a filter chamber, and an installation chamber. An opening is provided at the rear side of the installation chamber. A suction assembly is installed at the upper end of the horizontal plate, and the air outlet of the suction assembly communicates with the filter chamber. Four filter elements are installed in the filter chamber. Each filter element includes a first circular opening on the vertical plate, a second disc rotatably connected to the first circular opening, and three horizontal bars fixedly connected to the front side of the second disc. This utility model can quickly remove dust from the airflow using four dust collectors, and facilitates the installation and disassembly of the filter element body. Furthermore, the horizontal pipes and transmission assembly can blow off and collect dust from the filter element body.

The utility model belongs to microphone technical field, concretely relates to a dustproof microphone, including base and microphone body, the base upside is equipped with the U -shaped support, and the microphone body both sides are rotatoryly installed on the U -shaped support through the pivot, and the microphone body upside is provided with dust screen, the dust screen is composed of filter layer and electrostatic adsorption layer, and the electrostatic adsorption layer is located in the inside of filter layer, and the filter layer is made of stainless steel mesh, and the electrostatic adsorption layer is made of electrostatic fiber filter material, the dust screen of microphone adopts filter layer and electrostatic adsorption layer double -deck structure, and the filter layer is made of stainless steel mesh or high -density plastic net, and the strength is high, and it is not easy to deform, and its wave -shaped structure increases the filtration area, reduces the airflow resistance, and can effectively intercept big particle, the electrostatic adsorption layer is made of electrostatic fiber filter material, and the surface is loaded permanent electrostatic charge, can high -efficiently capture tiny particle, simultaneously allows the sound wave to pass, guarantees the effect of receiving sound while, realizes good dustproof function.

The utility model discloses a mask filter element, relates to the technical field of protective masks, and aims to prolong the service life of a filter assembly and improve the filter effect, the mask filter element comprises a shell, a ventilation opening is formed in the bottom of the shell, filter paper matched with the shell is installed in the shell, and the ventilation opening is communicated with the shell. The filter paper is arranged in a folded mode, a top cover is installed on the face, away from the ventilation opening, of the shell, and a ventilation opening is formed in the top cover and corresponds to the ventilation opening.

The utility model relates to the technical field of zanthoxylum oil production, and provides a spiral dry zanthoxylum squeezing device which comprises a machine table, a squeezing barrel and a motor I. The squeezing barrel is installed at the top of the machine table, the motor I is installed at the rear end of the squeezing barrel, a discharge hopper is arranged at the front end of the squeezing barrel, an oil guide plate is arranged below the squeezing barrel, and an oil storage tank is arranged at the front end of the machine table. The oil storage tank is located below the oil guide plate, a left-right reciprocating assembly is arranged at the bottom of the oil storage tank, and zanthoxylum oil falling on the oil guide plate enters the screen of the built-in frame of the oil storage tank through flow guide. Under the synergistic effect that the electric sliding block drives the oil storage tank to move left and right and the second motor drives the eccentric disc, the ejector block and other structures to move front and back, the screen can filter zanthoxylum oil at different positions. The filtering area and frequency are greatly increased through left-right and front-back shaking, impurities mixed in the zanthoxylum oil can be more effectively removed, and it is guaranteed that the purity of the finally stored zanthoxylum oil is high, and the quality is good.

The utility model relates to the technical field of slurry discharge, and discloses a slurry discharge device for an underground mixing plant, which comprises a hopper, a screen is obliquely arranged in the hopper, a receiving barrel is rotatably arranged at the bottom of the screen, a receiving port is arranged on one side of the receiving barrel close to the screen, and a discharge port is arranged on the other side of the receiving barrel. A material discharging opening is formed in the side, close to the material receiving barrel, of the hopper, a sealing plate is arranged at the material discharging opening, the material receiving barrel is fixedly connected with the sealing plate, the sealing plate blocks the material discharging opening in the initial state, the material receiving barrel is rotated to drive the sealing plate to rotate in the working process, and the material receiving barrel is driven by the sealing plate to rotate. The material receiving opening rotates from the interior of the hopper to the outer side of the hopper, and discharging is completed; according to the slurry spraying device, slurry can be filtered, large stone aggregate or impurities in the slurry can be screened and removed, and normal work of the slurry spraying device is guaranteed.

The utility model relates to the technical field of water-oil separation, in particular to a double-super-cyclone air flotation coalescence system which comprises a primary coalescence filtering device and a precise coalescence filtering device which are communicated with each other, the primary coalescence filtering device comprises a first tank body and a first filter element, the outer surface of the first filter element is coated with a functional coating, a liquid inlet pipe is arranged on the outer wall of the first tank body in a penetrating manner, and the upper end of the first filter element is connected with a transfer pipe; the precise coalescence filtering device comprises a second tank body and a second filter element, the surface of the second filter element is coated with a functional coating, the transfer pipe penetrates through the first tank body and enters the second tank body, the second filter element is connected with a refined filtration liquid outlet pipe, and the refined filtration liquid outlet pipe is connected with a second tank body. One end, far away from the end connected with the second filter element, of the fine filtration liquid outlet pipe penetrates through the second tank body and is used for outputting fine filtration liquid. The oil-water separation device has the advantages that the problem of low oil-water separation efficiency is solved, and oil-water separation is more thorough.

The utility model discloses a liquid medicine filter. A shell is provided with a closed cavity, a liquid inlet and a liquid outlet, wherein the liquid inlet and the liquid outlet are communicated with the closed cavity; the filter unit comprises a partition plate, a bubble puncture assembly, a first filter membrane and a second filter membrane; the partition plate is blocked between the liquid inlet and the liquid outlet and divides the closed cavity into a first filter cavity and a second filter cavity; a channel is formed in the partition plate; the bubble puncture assembly comprises a blocking plate and a puncture needle; the blocking plate is blocked in the channel, and a plurality of via holes are distributed in the blocking plate; the puncture needles are inserted into the blocking plate and are distributed on the outer side of the periphery of the via hole; the first filtering membrane is intercepted between the channel and the liquid inlet; and the second filter membrane is intercepted between the channel and the liquid outlet. According to the liquid medicine filter, the liquid medicine filter is not easy to block in a mode that the two layers of filter membranes are used for filtering in an echelon mode, the liquid medicine filtering effect is effectively improved, bubbles hidden in liquid medicine can be punctured, and the bubbles are not easy to hide in the liquid medicine, so that the liquid medicine conveying process is stable and smooth.

The utility model relates to a two-for-one twister with a dust removal function, which belongs to the technical field of two-for-one twisters and comprises a two-for-one twister body, a dust hood, a dust box, a filter screen box, a dust collecting cloth bag and a transport cart, the dust hood is mounted on the inner wall of the two-for-one twister body and fixedly communicated with a flow dividing pipe, and the flow dividing pipe is fixedly communicated with an opening and closing valve. The two-for-one twister dust collection device is provided with the dust collection cover covering the twisting area, dust in the machining area of the two-for-one twister can be fully collected, the dust collection box body is arranged, the collected dust can be fully filtered, and therefore the dust can be prevented from being pumped into the pump body to cause damage, and the dust collection box body with the larger filtering area is arranged. Compared with a single filter screen body structure, the dust filter screen has a larger filter area, so that dust blockage and influence on the dust removal effect can be effectively prevented, the air blowing cleaning structure is arranged, dust attached to the surface of the filter screen can be quickly blown, cleaned and collected, and the ventilation effect of the dust filter screen can be effectively guaranteed.

The utility model relates to a water injection pump technical field, concretely relates to a portable miniature water injection pump device. Including the car body, the first motor and the pump body are fixed to the car body upper end, and the output shaft of first motor and the input shaft of pump body are connected through the shaft coupling, and one side of car body is fixed with the side plate, and the support rod is fixed to the side plate, and the support rod is perpendicular to the side plate, and the second motor is concentrically fixed to the end of support rod away from the side plate, and the output shaft of second motor is concentrically fixed with the turntable, and the central rod is rotatably connected to the turntable, and the long slot is set up on the turntable, and the sliding block is elastically slid in the long slot, and the sliding rod is fixed to the sliding block upper end, and the rotating sleeve is rotatably arranged on the sliding rod outside, and the water inlet hose passes between the rotating sleeve and the central rod. The utility model drives the turntable, sliding rod and rotating sleeve through the second motor, and realizes the automatic winding function of water inlet hose in combination with spring sliding block system.

This disclosure relates to a dishwasher and a wash water filtration module. The dishwasher and wash water filtration module provide higher filtration force by forming a filter screen constituting the wash water filtration module with a wavy cross-section having multiple valleys and peaks, ensuring a wider filtration area. Furthermore, by forming the filter screen into a frustoconical shape including an inner diameter that allows for a horizontal cross-section and an expanding angle that gradually increases downwards from the outer radial direction, the suction component acting on food residue in the vertical direction on the filter surface is increased. Therefore, during the discharge cycle, food residue adhering to the filter surface is effectively separated by suction.

The application provides a negative pressure suction adaptive dust removal system, which specifically comprises a gravity dust remover, a cyclone dust removal device, an air cooler, a bag dust remover, a centrifugal multi-stage induced draft fan and a control system; the gravity dust remover removes larger particles in ash gas by using gravity to achieve primary dust removal; the cyclone dust removal device is connected with the gravity dust remover through a pipeline and removes the ash gas by using centrifugal force to achieve secondary dust removal; the air cooler cools high-temperature gas discharged from the cyclone dust removal device to avoid burning the bag in the subsequent process; the bag dust remover realizes third-stage dust removal through the filtering effect of the bag to make the ash gas meet the emission standard; the centrifugal multi-stage induced draft fan is arranged at the end of the system to generate negative pressure to drive the flow of the ash gas; the control system monitors the running state of the system in real time through a temperature sensor, a pressure sensor and a level meter and sends out an alarm or performs adaptive dust removal; and the application realizes efficient dust removal of the ash gas and real-time monitoring and adaptive adjustment of the dust removal process.

This invention relates to the field of garment processing technology, specifically providing a garment processing device. Specifically, the garment processing device includes a garment processing drum, a drying device, and a lint filter. The drying device includes a drying duct and a fan. The drying duct is located above the garment processing drum, with its inlet connected to one end of the drum, its outlet connected to the fan's suction port, and the fan's exhaust port connected to the other end of the drum. The lint filter is installed inside the drying duct and near the inlet, with its outlet higher than the outlet. By positioning the lint filter's outlet higher than the drying duct's outlet, the airflow within the drying duct flows downwards at an angle, reducing airflow resistance and improving drying efficiency. Furthermore, the fan directly blows air into the garment processing drum, resulting in stronger airflow, which also contributes to improved drying efficiency.

This application discloses an intelligent oil collection device, relating to the field of oil collection device technology, comprising: a storage tank, and further comprising: a mounting plate, an oil inlet pipe, a filtering mechanism, a supporting assembly, and an observation assembly; the mounting plate is horizontally fixedly installed on the top of the storage tank; the oil inlet pipe is vertically fixedly installed at the middle position of the top of the mounting plate; the filtering mechanism is installed between the inner walls on both sides of the storage tank; there are two sets of supporting assemblies, which are respectively arranged directly below the two sides of the filtering mechanism; the observation assembly is arranged on the outer wall of one end of the storage tank; the beneficial effects of this application are: it increases the filtration area of ​​the filter screen, and at the same time, the subsequent supporting assembly of the filter screen clears the pores, reduces impurity blockage, and reduces the impact of impurities on filtration efficiency.

This utility model discloses a filter element and a filter for adhesive solutions. A filter element seat is provided at the inlet end of the outlet pipe, and a filter element is installed on the filter element seat. The inlet of the outlet pipe communicates with the inner cavity of the filter element. A filter element cover is provided at the top of the filter element, and a lower sleeve is provided at the bottom of the filter element. The lower sleeve is sealed and installed on the inlet end of the outlet pipe. The filter element includes an outer frame, an inner frame, and a jacketed filter cylinder. The jacketed filter cylinder is located between the outer frame and the inner frame. Both the outer frame and the inner frame have several mesh openings. In a horizontal projection plane, the jacketed filter cylinder is a corrugated closed cylinder, with the crests of the jacketed filter cylinder fixedly connected to the inner side of the outer frame, and the troughs of the jacketed filter cylinder fixedly connected to the outer side of the outer frame. The beneficial effects of this utility model are: the filtration area of ​​the filter element is 3-4 times larger than that of ordinary cylindrical filter elements, reducing the flow resistance of the filter element, improving the filtration efficiency, having a larger dirt holding capacity, and a longer filter element cleaning cycle.

The utility model belongs to the air treatment technical field of thermal power plant, concretely relates to a kind of gas turbine air purification primary filter device, including the frame for fixed installation in the air inlet of unit, multiple guide rails are horizontally provided on the frame, the guide rail is U-shaped structure, several filter components are arranged between the guide rail and guide rail, the filter component includes filter bag, the inside of filter bag is V-shaped structure, and the opening direction of filter bag corresponds with the direction of the air inlet of unit.The utility model solves the technical problem that the filter area of the existing technology under plate type primary air purification filter is smaller, the mode of dismounting filter plate is more cumbersome, and when replacing, dust attached on plate type primary air purification filter is easily shaken off, affecting the service life of subsequent cylinder type fine filtration air purification filter.