A dry chemical filter for air purification

Abstract

The invention relates to the technical field of air filters, and specifically to a dry chemical filter for air purification, comprising a frame, a dry filter box, a filtering structure, a mounting structure, an opening and closing structure, a scraping structure and a closing structure; the dry filter box is opened by the opening and closing structure, so that the internal coarse-effect filter, medium-effect filter, chemical filter element and high-efficiency filter are conveniently taken out, and the parts inside the dry filter box are conveniently inspected and maintained, and the sealing is good, thereby improving the purification effect; the dust, pollutants and toxic and harmful chemical pollutants in the air are filtered in layers by the filtering structure, and the coarse-effect filter, medium-effect filter, chemical filter element and high-efficiency filter are quickly disassembled by the mounting structure, thereby improving the installation and disassembly efficiency of the coarse-effect filter, medium-effect filter, chemical filter element and high-efficiency filter; the dust particles adhered to the coarse-effect filter are scraped off by the scraping structure, thereby improving the filtering effect of the coarse-effect filter.

Description

Technical Field

[0001] The invention relates to the technical field of air filters, in particular to a dry chemical filter used for air purification. Background Art

[0002] Chemical filter is an innovative, efficient and energy-saving chemical filtration product. It is a new type of air purification equipment mainly used to treat odor, toxic and corrosive gases in the air. Its working principle is mainly based on adsorption. When liquid or gas containing harmful chemicals passes through the filter, the adsorbent or ion exchanger inside the filter will react with the harmful substances, capture and fix them inside the filter, thereby achieving the purpose of purification. Dry chemical filter is a filter used to remove chemicals from exhaust gas.

[0003] However, the traditional dry chemical filter box is equipped with multiple filters of different filtration levels. The built-in coarse-effect filter, medium-efficiency filter, chemical filter element and high-efficiency filter are large in size, and it is not convenient to take them out of the filter box for inspection and maintenance, and maintenance and replacement are difficult; the multiple internal filters are fixed to the filter box body with screws, which is troublesome to disassemble and replace, and the coarse-effect filter, medium-efficiency filter, chemical filter element and high-efficiency filter are all arranged in parallel, resulting in a smaller area in contact with the air, affecting the purification effect; the coarse-effect filter filters and absorbs most of the dust, and the adsorbed large particles are easy to accumulate, resulting in the subsequent coarse-effect filter The filtering effect becomes worse, the internal pressure of the equipment increases, affecting the normal operation inside the dry filter box, resulting in reduced filtering effect and filtration efficiency. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a dry chemical filter for air purification.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a dry chemical filter for air purification, comprising:

[0006] frame;

[0007] A dry filter box, wherein the frame is provided with a dry filter box;

[0008] A filtering structure is provided inside the dry filter box, wherein the filtering structure comprises two groups of slide rails and a coarse-effect filter. The dry filter box is fixedly connected with two groups of slide rails inside, wherein two of the slide rails in one group are installed with a coarse-effect filter, and two of the slide rails in another group are installed with a high-efficiency filter. A guide plate and a mounting plate are fixedly connected inside the dry filter box, a plurality of medium-efficiency filters are installed between the guide plate and the mounting plate, and a chemical filter is installed on the inner wall of the dry filter box between the mounting plate and the high-efficiency filter.

[0009] The cam is connected with the hydraulic cylinder to move the hydraulic cylinder to move upwards, and the cam is connected with the hydraulic cylinder to move upwards, so that the cam can move upwards and downwards, thereby the cam is in a state of being easily dislodged from the engine room.

[0010] Specifically, the guide plate is provided with a plurality of air guide ports, the medium efficiency filter is hollow, the medium efficiency filter is plugged into the guide plate, the air guide ports are connected to the medium efficiency filter, and the mounting plate is provided with a plurality of air outlets.

[0011] Specifically, the filtering structure is provided with an installation structure, which includes a card strip and a card slot. Each of the slide rails is provided with a card slot. The coarse-effect filter and the high-efficiency filter are each slidably connected with two card strips with an L-shaped cross-section, and the card strips are engaged with the card slots. Two adjacent card strips are slidably connected with a guide rod with an I-shaped cross-section. The outer sleeve of the guide rod is provided with a first spring, and the two ends of the first spring are respectively fixedly connected to the two card strips.

[0012] Specifically, each of the medium-efficiency filters is slidably connected to a card plate, the mounting plate is provided with a plurality of slots, the card plate is engaged with the slots, a lever is fixedly connected to the card plate, the lever is slidably connected to the medium-efficiency filter, and a plurality of second springs are fixedly connected between the card plate and the medium-efficiency filter.

[0013] Specifically, a guide shaft runs through the interior of each of the second springs, one end of the guide shaft is fixedly connected to the medium-efficiency filter, and the other end of the guide shaft is slidably connected to the interior of the clamping plate.

[0014] Specifically, a scraping structure is installed on the dry filter box, and the scraping structure includes two fixed blocks and a screw. The dry filter box is fixedly connected to two fixed blocks inside, one of which is rotatably connected to the dry filter box by a screw, and the other fixed block is fixedly connected to the dry filter box by a guide column. The dry filter box is fixedly connected to a motor, and the output end of the motor is fixedly connected to the screw. A scraper is threadedly connected to the screw, and the scraper contacts the coarse-effect filter, and the scraper is slidably connected to the guide column.

[0015] Specifically, a collecting box is fixedly connected to the bottom end of the dry filter box, and a baffle with an L-shaped cross-section is slidably connected to the bottom end of the collecting box.

[0016] Specifically, the scraping structure is provided with a closed structure, and the closed structure includes a mounting shaft and two torsion springs sleeved on both ends of the mounting shaft, a mounting shaft is rotatably connected between the two fixed blocks, one end of the torsion spring is fixedly connected to the mounting shaft, and the other end of the torsion spring is fixedly connected to the fixed block, and the dry filter box is provided with an ash discharge channel, a cover plate is fixedly connected to the mounting shaft, the cover plate covers the ash discharge channel, a sealing sleeve is fixedly connected to the cover plate, and the sealing sleeve is in conflict with the dry filter box.

[0017] Specifically, a pulley is fixedly connected to the mounting shaft, a transmission shaft is rotatably connected to the dry filter box, another pulley is fixedly connected to the transmission shaft, the two pulleys are driven by a belt, a gear is fixedly connected to the transmission shaft, a rack with an L-shaped cross-section is fixedly connected to the scraper, and the rack is meshed with the gear.

[0018] The beneficial effects of the present invention are:

[0019] (1) The dry chemical filter for air purification described in the present invention has a dry filter box on a frame, a filtering structure on the dry filter box, and an opening and closing structure on the dry filter box. The dry filter box can be opened by the opening and closing structure to facilitate the removal of the coarse-effect filter, medium-effect filter, chemical filter element and high-efficiency filter inside, and to facilitate the inspection and maintenance of the parts inside the dry filter box. At the same time, the airtightness is good, which prevents gas from overflowing from the side wall and improves the purification effect.

[0020] (2) The dry chemical filter for air purification described in the present invention has a mounting structure on the filtering structure, through which dust and pollutants in the air are filtered in layers, and the coarse-effect filter, medium-effect filter, chemical filter element and high-efficiency filter are quickly disassembled through the mounting structure, thereby improving the installation and disassembly efficiency of the coarse-effect filter, medium-effect filter and high-efficiency filter.

[0021] (3) The dry chemical filter for air purification described in the present invention has a scraping structure on the dry filter box, and a closed structure on the scraping structure. The scraping structure scrapes away the larger dust particles adhering to the coarse filter, and at the same time collects the dust particles, thereby improving the filtering effect of the coarse filter. The closed structure prevents the scraped and collected dust from being blown up when the equipment continues to start, thereby improving the use effect of the scraping structure. The present application efficiently removes formaldehyde, nitrogen dioxide, hydrogen sulfide, ammonia, chlorine, TVOCs and other irritating, odorous and corrosive toxic and harmful gas pollutants through chemical filters, and finally filters and absorbs the last suspended matter and pollutants in the air through high-efficiency filters, thereby achieving good air purification effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 A schematic diagram of the overall structure provided by the present invention;

[0024] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0025] Figure 3 It is a schematic diagram of the connection structure between the slide rail and the coarse filter of the present invention;

[0026] Figure 4 for Figure 3 An enlarged schematic diagram of the structure of part B is shown;

[0027] Figure 5 for Figure 3 An enlarged schematic diagram of the C-section structure is shown;

[0028] Figure 6 for Figure 5 An enlarged schematic diagram of the D-section structure is shown;

[0029] Figure 7 It is a schematic diagram of the connection structure between the mounting plate and the air outlet of the present invention;

[0030] Figure 8 for Figure 7 An enlarged schematic diagram of the structure of part E is shown;

[0031] Fig. 9 for Figure 8 The enlarged schematic diagram of the F part structure is shown;

[0032] Fig.10 It is a schematic diagram of the connection structure between the motor and the screw rod of the present invention;

[0033] Fig.11 for Fig.10 The enlarged schematic diagram of the G-section structure shown;

[0034] Fig.12 for Fig.11 The enlarged schematic diagram of the H-section structure is shown;

[0035] Fig.13 It is a schematic diagram of the connection structure between the frame and the dry filter box of the present invention;

[0036] Fig.14 for Fig.13 An enlarged schematic diagram of the structure of part I is shown;

[0037] Fig.15 It is a schematic diagram of the connection structure between the driving sleeve and the roller of the present invention.

[0038] In the figure: 1, frame; 2, dry filter box; 3, filter structure; 301, slide rail; 302, coarse filter; 303, guide plate; 304, air guide port; 305, medium filter; 306, mounting plate; 307, air outlet; 308, high efficiency filter; 309, chemical filter element; 4, mounting structure; 401, card strip; 402, card slot; 403, guide rod; 404, first spring; 405, card plate; 406, slot; 407, pull bar; 408, guide shaft; 409, second spring; 5, opening and closing structure; 501, hydraulic cylinder; 502, connecting plate; 503, slide seat; 504, rotating shaft; 505, sealing door; 506, connecting shaft; 507, resisting bar; 508, receiving groove; 509, driving sleeve; 510, fixing seat; 511, driving shaft; 512, driving groove; 513, roller; 514, sealing gasket; 6, scraping structure; 601, fixing block; 602, screw; 603, motor; 604, scraper; 605, guide column; 606, collecting box; 607, baffle; 7, closing structure; 701, mounting shaft; 702, torsion spring; 703, cover plate; 704, ash discharge channel; 705, sealing sleeve; 706, pulley; 707, transmission shaft; 708, gear; 709, rack. DETAILED DESCRIPTION

[0039] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0040] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 , Figure 8 , Fig.10 , Fig.13 , Fig.14 and Fig.15As shown, a dry chemical filter for air purification according to the present invention comprises a frame 1, a dry filter box 2 mounted on the frame 1, a filter structure 3 arranged inside the dry filter box 2, a mounting structure 4 arranged on the filter structure 3, an opening and closing structure 5 arranged on the dry filter box 2, a scraping structure 6 arranged on the dry filter box 2, and a closing structure 7 arranged on the scraping structure 6;

[0041] The filtering structure 3 includes two groups of slide rails 301 and a coarse filter 302. The two groups of slide rails 301 are fixedly connected inside the dry filter box 2. The coarse filter 302 is installed on two of the slide rails 301 of one group, and the high-efficiency filter 308 is installed on two of the slide rails 301 of the other group. A guide plate 303 and a mounting plate 306 are fixedly connected inside the dry filter box 2. A plurality of medium-efficiency filters 305 are installed between the guide plate 303 and the mounting plate 306. A chemical filter 309 is installed on the inner wall of the dry filter box 2 between the mounting plate 306 and the high-efficiency filter 308.

[0042] The opening and closing structure 5 includes a hydraulic cylinder 501 and a connecting plate 502 fixedly connected to the telescopic end of the hydraulic cylinder 501. The bottom end of the dry filter box 2 is fixedly connected to the hydraulic cylinder 501. The connecting plate 502 is fixedly connected to a slide 503. The slide 503 is slidably connected to the frame 1. The slide 503 is fixedly connected to a rotating shaft 504. A sealing door 505 is rotatably connected to the rotating shaft 504. Two connecting shafts 506 are rotatably connected to the slide 503. A resisting bar 507 is fixedly connected to the connecting shaft 506. The resisting bar 507 conflicts with the sealing door 505. Two storage grooves 508 are provided on the slide 503. A driving sleeve 509 is fixedly connected to the connecting shaft 506. Two fixed seats 510, two driving shafts 511 are fixedly connected to the fixed seats 510, the driving sleeve 509 is sleeved on the outside of the driving shaft 511, the driving shaft 511 is provided with an arc-shaped driving groove 512, the inside of the driving sleeve 509 is rotatably connected with a roller 513, and the roller 513 is rollingly connected with the driving groove 512; a sealing gasket 514 is fixedly connected to the dry filter box 2, and the sealing door 505 is in conflict with the sealing gasket 514; a plurality of air guide ports 304 are provided on the guide plate 303, the medium efficiency filter 305 is hollow, the medium efficiency filter 305 is plugged with the guide plate 303, the air guide port 304 is connected with the medium efficiency filter 305, and a plurality of air outlets 307 are provided on the mounting plate 306;When it is necessary to maintain the parts inside the dry filter box 2, the sealed door 505 on one side of the dry filter box 2 can be opened. When opening, it is only necessary to extend the hydraulic cylinder 501. The hydraulic cylinder 501 drives the connecting plate 502 to move, and the connecting plate 502 drives the slide 503 to slide on the frame 1. The slide 503 slides and then drives the rotating shaft 504 and the sealed door 505 away from the dry filter box 2. At the same time, due to the sliding of the slide 503, the driving sleeve 509 is driven to slide on the driving shaft 511. When the driving sleeve 509 slides, the roller 513 rolls inside the driving groove 512. Since the shape of the driving groove 512 is an arc structure, the roller 513 will drive the driving sleeve 509 to rotate when it rolls, and the driving sleeve 509 drives the connecting shaft 506 to rotate. The rotation of the connecting shaft 506 drives the resisting bar 507 to rotate ninety degrees, and the resisting bar 507 is then stored in the slide The storage groove 508 inside the seat 503 is formed, thereby improving the space utilization rate. At this time, the resisting strip 507 will not block the sealing door 505, and the sealing door 505 can be rotated to open it, thereby facilitating the maintenance of the parts inside the dry filter box 2. When the sealing door 505 needs to be closed, the sealing door 505 is first rotated to a horizontal state with the side wall of the dry filter box 2, and then the hydraulic cylinder 501 is retracted. The hydraulic cylinder 501 is retracted to drive the connecting plate 502 and the slide seat 503 to reset, and then drive the driving sleeve 509 to reset, and the resisting strip 507 is reset to a vertical state. At this time, the resisting strip 507 is in conflict with the sealing door 505. The hydraulic cylinder 501 is continued to be retracted, and the resisting strip 507 on the slide seat 503 continues to conflict with the sealing door 505 and applies pressure, so that the sealing door 505 is closed more tightly, and at the same time, the sealing door 505 is in conflict with the sealing gasket 514, thereby improving the sealing performance. ;

[0043] Specifically, Figure 4 , Figure 5 and Figure 8As shown, the mounting structure 4 includes a card strip 401 and a card slot 402, each of the slide rails 301 is provided with a card slot 402, and the coarse-effect filter 302 and the high-efficiency filter 308 are each slidably connected with two card strips 401 with an L-shaped cross-section, and the card strips 401 are engaged with the card slot 402, and two adjacent card strips 401 are slidably connected with a guide rod 403 with an I-shaped cross-section, and the outer sleeve of the guide rod 403 is provided with a first spring 404, and the two ends of the first spring 404 are respectively fixedly connected to the two card strips 401; each of the medium-efficiency filters 305 is slidably connected with two L-shaped card strips 401, and the two L-shaped card strips 401 are engaged with the card slot 402, and the two adjacent card strips 401 are slidably connected with a guide rod 403 with an I-shaped cross-section, and the outer sleeve of the guide rod 403 is provided with a first spring 404, and the two ends of the first spring 404 are respectively fixedly connected to the two card strips 401; A card plate 405 is connected, and a plurality of slots 406 are provided on the mounting plate 306. The card plate 405 is engaged with the slots 406. A pull bar 407 is fixedly connected to the card plate 405, and the pull bar 407 is slidably connected to the medium-efficiency filter 305. A plurality of second springs 409 are fixedly connected between the card plate 405 and the medium-efficiency filter 305; a guide shaft 408 runs through the interior of each of the second springs 409, and one end of the guide shaft 408 is fixedly connected to the medium-efficiency filter 305, and the other end of the guide shaft 408 is slidably connected to the interior of the card plate 405;When the air needs to be purified, the gas enters from one end of the coarse filter 302. After the coarse filter 302 filters out large particles of dust and pollutants, the gas enters the interior of the medium filter 305 from the air guide port 304 on the guide plate 303, and is then filtered by the medium filter 305 and discharged from the upper and lower sides of the medium filter 305, thereby increasing the contact area between the gas and the medium filter 305, thereby making the filtering effect better. After the gas is discharged from the medium filter 305, it is discharged from the air outlet 307 on the mounting plate 306, and then passes through the chemical filter element 309 to efficiently remove formaldehyde, nitrogen dioxide, hydrogen sulfide, ammonia, chlorine, TVOCs and other irritating, odorous and corrosive toxic and harmful gas pollutants. After that, the high-efficiency filter 308 filters and absorbs the last suspended matter and pollutants in the air, and the purified gas is discharged from the other side of the high-efficiency filter 308. When it is necessary to replace or repair the coarse-effect filter 302, the high-efficiency filter 308 and the chemical filter element 309, first open the dry filter box 2 through the opening and closing structure 5, and the chemical filter element 309 is fixed to the box wall by screws. After the sealing door 505 is opened, first pinch the two card strips 401 on the corresponding filter, and the two card strips 401 slide towards each other and no longer engage with the card slot 402 on the slide rail 301. At this time, the coarse-effect filter 302 or the high-efficiency filter 308 can be pulled out from the slide rail 301. After the coarse-effect filter 302 and the high-efficiency filter 308 are disassembled, the operating space of the dry filter box 2 becomes The screws for fixing the chemical filter element 309 are large, which improves the convenience of disassembly of the chemical filter element 309. When the card strip 401 slides, the first spring 404 contracts. The setting of the guide rod 403 improves the sliding stability of the card strip 401 and avoids the deviation of the first spring 404. Therefore, when installing the coarse-effect filter 302 and the high-efficiency filter 308, it is only necessary to slide the coarse-effect filter 302 and the high-efficiency filter 308 onto the corresponding slide rail 301, and then release the card strip 401. The reset of the first spring 404 will drive the two card strips 401 to slide backwards, and then engage with the card slot 402 on the slide rail 301, so that the coarse-effect filter 302 and the high-efficiency filter 308 are installed. When it is necessary to remove the medium-effect filter 305, it is only necessary to dial The lever 407 at the corresponding position is moved, and the lever 407 drives the card plate 405 to slide, and the card plate 405 is no longer plugged into the slot 406 on the mounting plate 306, and the second spring 409 is compressed at the same time, and then the medium efficiency filter 305 is pulled out from the through slot on the guide plate 303 to complete the removal of the medium efficiency filter 305. When the medium efficiency filter 305 needs to be installed, it is only necessary to insert the end of the medium efficiency filter 305 into the guide plate 303, and then release the lever 407, and the second spring 409 is reset to drive the card plate 405 to engage with the corresponding slot 406 on the mounting plate 306, and then the medium efficiency filter 305 is quickly installed. The setting of the guide shaft 408 improves the stability of the sliding of the card plate 405, and at the same time avoids the deviation of the second spring 409. ;

[0044] Specifically, Figure 1 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 and Fig.13 As shown, the scraping structure 6 includes two fixed blocks 601 and a screw 602. The interior of the dry filter box 2 is fixedly connected with two fixed blocks 601, one of which is rotatably connected to the dry filter box 2 with a screw 602, and the other fixed block 601 is fixedly connected to the dry filter box 2 with a guide column 605. The dry filter box 2 is fixedly connected with a motor 603, and the output end of the motor 603 is fixedly connected to the screw 602. The screw 602 is threadedly connected with a scraper 604, and the scraper 604 is in conflict with the coarse filter 302. The scraper 604 is slidably connected to the guide column 605; the bottom end of the dry filter box 2 is fixedly connected with a collecting box 606, and the bottom end of the collecting box 606 is slidably connected with a baffle 607 with an L-shaped cross section;

[0045] The closed structure 7 includes a mounting shaft 701 and two torsion springs 702 sleeved at both ends of the mounting shaft 701. A mounting shaft 701 is rotatably connected between the two fixed blocks 601. One end of the torsion spring 702 is fixedly connected to the mounting shaft 701, and the other end of the torsion spring 702 is fixedly connected to the fixed block 601. An ash discharge channel 704 is provided on the dry filter box 2. A cover plate 703 is fixedly connected to the mounting shaft 701. The cover plate 703 covers the ash discharge channel 704. A sealing sleeve 705 is fixedly connected to the cover plate 703. The sealing sleeve 705 conflicts with the dry filter box 2. A pulley 706 is connected, and a transmission shaft 707 is rotatably connected to the dry filter box 2. Another pulley 706 is fixedly connected to the transmission shaft 707. The two pulleys 706 are driven by a belt. A gear 708 is fixedly connected to the transmission shaft 707. A rack 709 with an L-shaped cross-section is fixedly connected to the scraper 604, and the rack 709 is meshed with the gear 708. When the operating pressure of the equipment is relatively high, the motor 603 at the top of the dry filter box 2 can be started, and the motor 603 drives the screw 602 to rotate, and the screw 602 then drives the scraper 604 to slide downward on the guide column 605, and the scraper 604 then moves The dust on the coarse filter 302 is scraped off, and the scraper 604 descends, thereby driving the rack 709 to descend, the rack 709 drives the gear 708 to rotate, the gear 708 drives the transmission shaft 707 to rotate, the transmission shaft 707 rotates and drives the pulley 706 to rotate, the pulley 706 drives another pulley 706 on the installation shaft 701 to rotate through the belt, and then drives the installation shaft 701 and the cover plate 703 to rotate, when the rack 709 and the gear 708 are disengaged, the torsion spring 702 is reset, driving the cover plate 703 to be in a vertically open state, at this time the scraped dust will enter the interior of the collection box 606 from the ash discharge channel 704, and when the equipment is running, the motor 603 drives The movable screw 602 rotates, thereby driving the scraper 604 to rise, the rack 709 rises to drive the gear 708 to rotate, the gear 708 drives the transmission shaft 707 to rotate, and then drives the installation shaft 701 to rotate through the pulley 706, the torsion spring 702 is compressed and accumulates force, the installation shaft 701 rotates and drives the cover plate 703 to cover the dust discharge channel 704, so as to prevent the dust inside the collection box 606 from being raised again when the dry filter box 2 filters the air. The setting of the sealing sleeve 705 improves the sealing between the cover plate 703 and the dust discharge channel 704. When a lot of dust is collected inside the collection box 606, the baffle 607 can be pulled out to discharge the dust inside the collection box 606.

[0046] When the present invention is in use, first, when it is necessary to maintain the parts inside the dry filter box 2, the sealed door 505 on one side of the dry filter box 2 can be opened. When opening, it is only necessary to extend the hydraulic cylinder 501, and the hydraulic cylinder 501 drives the connecting plate 502 to move, and the connecting plate 502 drives the slide 503 to slide on the frame 1, and the slide 503 slides and then drives the rotating shaft 504 and the sealed door 505 away from the dry filter box 2. At the same time, due to the sliding of the slide 503, the driving sleeve 509 is driven to slide on the driving shaft 511. When the driving sleeve 509 slides, the roller 513 rolls inside the driving groove 512. Since the shape of the driving groove 512 is an arc structure, the roller 513 will drive the driving sleeve 509 to rotate when it rolls, and the driving sleeve 509 drives the connecting shaft 506 to rotate. The rotation of the connecting shaft 506 drives the resisting bar 507 to rotate ninety degrees, and the resisting bar 507 moves. The storage groove 508 stored in the slide 503 improves the space utilization rate. At this time, the resistance bar 507 will not block the sealing door 505, and the sealing door 505 can be rotated to open it, which is convenient for maintaining the parts inside the dry filter box 2. When the sealing door 505 needs to be closed, the sealing door 505 is first rotated to a horizontal state with the side wall of the dry filter box 2, and then the hydraulic cylinder 501 is retracted. The hydraulic cylinder 501 is retracted to drive the connecting plate 502 and the slide 503 to reset, and then drive the driving sleeve 509 to reset, and the resistance bar 507 is reset to a vertical state. At this time, the resistance bar 507 conflicts with the sealing door 505, and the hydraulic cylinder 501 is continued to be retracted. The resistance bar 507 on the slide 503 continues to conflict with the sealing door 505 and applies pressure, making the sealing door 505 more tightly closed. At the same time, the sealing door 505 conflicts with the sealing gasket 514, thereby improving the sealing performance.

[0047] Then, when the air needs to be purified, the gas enters from one end of the coarse filter 302. After the coarse filter 302 filters out large particles of dust and pollutants, the gas enters the interior of the medium filter 305 from the air guide port 304 on the guide plate 303, and then is filtered by the medium filter 305 and discharged from the upper and lower sides of the medium filter 305, thereby increasing the contact area between the gas and the medium filter 305, thereby making the filtering effect better. After the gas is discharged from the medium filter 305, it is discharged from the air outlet 307 on the mounting plate 306, and then passes through the chemical filter 309 to efficiently remove formaldehyde, nitrogen dioxide, hydrogen sulfide, ammonia, chlorine, TVOCs and other irritating, odorous and corrosive toxic and harmful gas pollutants. , and finally the last suspended matter and pollutants in the air are filtered and adsorbed by the high-efficiency filter 308, and the purified gas is discharged from the other side of the high-efficiency filter 308. When it is necessary to replace or repair the coarse-effect filter 302, the high-efficiency filter 308 and the chemical filter element 309, first open the dry filter box 2 through the opening and closing structure 5, and the chemical filter element 309 is fixed to the box wall by screws. After the sealing door 505 is opened, first pinch the two card strips 401 on the corresponding filter, and the two card strips 401 slide towards each other and no longer engage with the card slot 402 on the slide rail 301. At this time, the coarse-effect filter 302 or the high-efficiency filter 308 can be pulled out from the slide rail 301. After the coarse-effect filter 302 and the high-efficiency filter 308 are disassembled, the dry filter box 2 can be operated. The space between the two ends of the filter 301 and the filter 308 is larger, which makes it easier to remove the screws that fix the chemical filter element 309, thereby improving the convenience of removing the chemical filter element 309. When the card strip 401 slides, the first spring 404 contracts. The setting of the guide rod 403 improves the stability of the sliding of the card strip 401 and avoids the deviation of the first spring 404. Therefore, when installing the coarse-effect filter 302 and the high-efficiency filter 308, it is only necessary to slide the coarse-effect filter 302 and the high-efficiency filter 308 onto the corresponding slide rails 301, and then release the card strip 401. The reset of the first spring 404 will drive the two card strips 401 to slide backwards, and then engage with the card slot 402 on the slide rail 301, thereby installing the coarse-effect filter 302 and the high-efficiency filter 308. When it is necessary to remove the medium-effect filter 305, it is only necessary to The lever 407 at the corresponding position is toggled, and the lever 407 drives the card plate 405 to slide, so that the card plate 405 is no longer plugged into the slot 406 on the mounting plate 306, and the second spring 409 is compressed at the same time, and then the medium efficiency filter 305 is pulled out from the through slot on the guide plate 303 to complete the removal of the medium efficiency filter 305. When the medium efficiency filter 305 needs to be installed, it is only necessary to insert the end of the medium efficiency filter 305 into the guide plate 303, and then release the lever 407, and the second spring 409 is reset to drive the card plate 405 to engage with the corresponding slot 406 on the mounting plate 306, so that the medium efficiency filter 305 is quickly installed. The setting of the guide shaft 408 improves the sliding stability of the card plate 405 and prevents the second spring 409 from running off.

[0048] Finally, when the operating pressure of the equipment is relatively high, the motor 603 at the top of the dry filter box 2 can be started, and the motor 603 drives the screw 602 to rotate, and the screw 602 then drives the scraper 604 to slide downward on the guide column 605, and the scraper 604 then scrapes the dust on the coarse filter 302. At the same time, the scraper 604 descends and drives the rack 709 to descend, and the rack 709 drives the gear 708 to rotate, and the gear 708 drives the transmission shaft 707 to rotate, and the rotation of the transmission shaft 707 drives the pulley 706 to rotate, and the pulley 706 drives another pulley 706 on the installation shaft 701 to rotate through the belt, thereby driving the installation shaft 701 and the cover plate 703 to rotate. When the rack 709 and the gear 708 are disengaged, the torsion spring 702 is reset, driving the cover plate 703 to be in a vertically open state. At this time, the scraped dust will enter the interior of the collection box 606 from the ash discharge channel 704. When the equipment is running, the motor 603 drives the screw 602 to rotate, and then drives the scraper 604 to rise. The rack 709 rises and drives the gear 708 to rotate. The gear 708 drives the transmission shaft 707 to rotate, and then drives the installation shaft 701 to rotate through the pulley 706. The torsion spring 702 is compressed and accumulates force. The rotation of the installation shaft 701 drives the cover plate 703 to cover the ash discharge channel 704, thereby preventing the dust inside the collection box 606 from being raised again when the dry filter box 2 filters the air. The setting of the sealing sleeve 705 improves the sealing between the cover plate 703 and the ash discharge channel 704. When a lot of dust is collected inside the collection box 606, the baffle 607 can be pulled out to discharge the dust inside the collection box 606.

[0049] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A dry chemical filter for air purification, characterized in that: include: Rack(1); A dry filter box (2), wherein the dry filter box (2) is installed on the frame (1); A filtering structure (3), wherein the filtering structure (3) is installed inside the dry filter box (2), and the filtering structure (3) comprises two groups of slide rails (301) and a coarse-effect filter (302). The two groups of slide rails (301) are fixedly connected inside the dry filter box (2), and the coarse-effect filters (302) are installed on two of the slide rails (301) in one group, and the high-efficiency filters (308) are installed on two of the slide rails (301) in the other group. A guide plate (303) and a mounting plate (306) are fixedly connected inside the dry filter box (2), and a plurality of medium-efficiency filters (305) are installed between the guide plate (303) and the mounting plate (306), and a chemical filter element (309) is installed on the inner wall of the dry filter box (2) between the mounting plate (306) and the high-efficiency filter (308); The dry filter box (2) is provided with an opening and closing structure (5), the opening and closing structure (5) comprising a hydraulic cylinder (501) and a connecting plate (502) fixedly connected to the telescopic end of the hydraulic cylinder (501), the bottom end of the dry filter box (2) is fixedly connected to the hydraulic cylinder (501), the connecting plate (502) is fixedly connected to a sliding seat (503), the sliding seat (503) is slidably connected to the frame (1), the sliding seat (503) is fixedly connected to a rotating shaft (504), the rotating shaft (504) is rotatably connected to a sealing door (505), the sliding seat (503) is rotatably connected to two connecting shafts (506), the connecting shaft (506) is fixedly connected to a resisting bar (507), the resisting bar (507) and the sealing door (1) are rotatably connected to each other. The dry filter box (2) is fixedly connected to a driving sleeve (509); two fixing seats (510) are fixedly connected to the frame (1); two driving shafts (511) are fixedly connected to the fixing seats (510); the driving sleeve (509) is sleeved on the outside of the driving shaft (511); the driving shaft (511) is provided with an arc-shaped driving groove (512); a roller (513) is rotatably connected to the inside of the driving sleeve (509); the roller (513) is rollingly connected to the driving groove (512); a sealing gasket (514) is fixedly connected to the dry filter box (2); and the sealing door (505) is in conflict with the sealing gasket (514); The filtering structure (3) is provided with a mounting structure (4), the mounting structure (4) comprising a clamping strip (401) and a clamping slot (402), each of the slide rails (301) being provided with a clamping slot (402), the coarse-effect filter (302) and the high-efficiency filter (308) being slidably connected with two clamping strips (401) with an L-shaped cross section, the clamping strips (401) being engaged with the clamping slots (402), two adjacent clamping strips (401) being slidably connected with guide rods (403) with an I-shaped cross section, the outer portion of the guide rod (403) being provided with a first spring (404), the two ends of the first spring (404) being respectively fixedly connected to the two clamping strips (401); each of the medium-effect filters (3 05), a card plate (405) is slidably connected to each of the two mounting plates (306), a plurality of slots (406) are provided on the mounting plate (306), the card plate (405) is engaged with the slots (406), a lever (407) is fixedly connected to the card plate (405), the lever (407) is slidably connected to the medium-efficiency filter (305), a plurality of second springs (409) are fixedly connected between the card plate (405) and the medium-efficiency filter (305); a guide shaft (408) passes through the interior of each of the second springs (409), one end of the guide shaft (408) is fixedly connected to the medium-efficiency filter (305), and the other end of the guide shaft (408) is slidably connected to the interior of the card plate (405).

2. A dry chemical filter for air purification according to claim 1, characterized in that: The guide plate (303) is provided with a plurality of air guide ports (304), the medium efficiency filter (305) is hollow, the medium efficiency filter (305) is plugged into the guide plate (303), the air guide ports (304) are in communication with the medium efficiency filter (305), and the mounting plate (306) is provided with a plurality of air outlets (307).

3. A dry chemical filter for air purification according to claim 1, characterized in that: The dry filter box (2) is provided with a scraping structure (6), the scraping structure (6) comprising two fixed blocks (601) and a screw (602); the dry filter box (2) is internally fixedly connected with the two fixed blocks (601); a screw (602) is rotatably connected between one of the fixed blocks (601) and the dry filter box (2); a guide column (605) is fixedly connected between the other fixed block (601) and the dry filter box (2); a motor (603) is fixedly connected to the dry filter box (2); an output end of the motor (603) is fixedly connected to the screw (602); a scraper (604) is threadedly connected to the screw (602); the scraper (604) contacts the coarse filter (302); and the scraper (604) is slidably connected to the guide column (605).

4. A dry chemical filter for air purification according to claim 3, characterized in that: The bottom end of the dry filter box (2) is fixedly connected to a collecting box (606), and the bottom end of the collecting box (606) is slidably connected to a baffle (607) with an L-shaped cross section.

5. A dry chemical filter for air purification according to claim 3, characterized in that: The scraping structure (6) is provided with a closing structure (7), the closing structure (7) comprising a mounting shaft (701) and two torsion springs (702) sleeved at both ends of the mounting shaft (701), a mounting shaft (701) being rotatably connected between the two fixed blocks (601), one end of the torsion spring (702) being fixedly connected to the mounting shaft (701), and the other end of the torsion spring (702) being fixedly connected to the fixed block (601), an ash discharge channel (704) being provided on the dry filter box (2), a cover plate (703) being fixedly connected to the mounting shaft (701), the cover plate (703) covering the ash discharge channel (704), a sealing sleeve (705) being fixedly connected to the cover plate (703), and the sealing sleeve (705) being in contact with the dry filter box (2).

6. A dry chemical filter for air purification according to claim 5, characterized in that: A pulley (706) is fixedly connected to the mounting shaft (701), a transmission shaft (707) is rotatably connected to the dry filter box (2), another pulley (706) is fixedly connected to the transmission shaft (707), the two pulleys (706) are driven by a belt, a gear (708) is fixedly connected to the transmission shaft (707), a rack (709) with an L-shaped cross section is fixedly connected to the scraper (604), and the rack (709) is meshed with the gear (708).

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