Waste gas filtering device with activated carbon adsorption structure

Abstract

The utility model relates to the technical field of waste gas filtering, in particular to a waste gas filtering device with an activated carbon adsorption structure, which comprises a device box body, dismounting and cleaning mechanisms are arranged on the inner wall of the device box body and the surface of a first filter screen, and sealing air leakage prevention mechanisms are arranged on the inner wall of a mounting pipe and the inner wall of an air outlet pipe. And an adsorption filtering mechanism is arranged in the filtering box. According to the waste gas filtering device, when the waste gas filtering device is used, a user can conveniently pull out the first filtering net from the interior of the device box body, the surface of the first filtering net is disassembled, assembled and cleaned, harmful substances in waste gas can be adsorbed out when the waste gas filtering device is used, and the filtering effect of the waste gas filtering device on the waste gas is better; the waste gas treatment effect of the waste gas filtering device is greatly improved, and the phenomenon that waste gas leaks between the mounting pipe and the gas outlet pipe in the use process of the waste gas filtering device is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas filtration technical field, concretely is a waste gas filtration device with active carbon adsorption structure. BACKGROUND

[0002] Waste gas is common pollutant in industrial production, and industrial waste gas is gaseous pollutant and particulate pollutant, and has the characteristics of particulate dust, pungent smell and harmful to the body, and since industrial waste gas is diluted by atmosphere after being discharged into air, but harmful substances are still gathered, so a waste gas filtration device with active carbon adsorption structure is needed.

[0003] The existing waste gas filtration device is mostly complex in structure, and is not fully filtered, and cannot filter both industrial waste gas and medical waste gas, in addition, the existing waste gas filtration device has some shortcomings to some extent, the first filter screen needs to be replaced and cleaned regularly when the waste gas filtration device is used, the existing waste gas filtration device is not convenient for replacing and cleaning the first filter screen regularly, which makes the waste gas filtration device inconvenient for users to pull out the first filter screen from the inside of the device box; in order to make the waste gas filtration device have better treatment effect on waste gas, the waste gas filtration device needs to adsorb and filter waste gas when used, the existing waste gas filtration device usually does not have the function of adsorbing and filtering waste gas when used, which makes the waste gas filtration device have better filtering effect on waste gas, greatly reducing the treatment effect of the waste gas filtration device on waste gas; the waste gas filtration device has high sealing requirement when used, and the sealing and air leakage prevention performance of the existing waste gas filtration device needs to be further improved when used, which easily leads to the phenomenon of waste gas leakage between the installation pipe and the air outlet pipe during use of the waste gas filtration device. SUMMARY

[0004] The utility model aims at providing a waste gas filtration device with active carbon adsorption structure to solve the problems of inconvenient replacement and cleaning of the first filter screen when used, no function of adsorbing and filtering waste gas, and further improvement of sealing and air leakage prevention performance in the background art.

[0005] In order to achieve the above object, the utility model provides following technical scheme: a waste gas filter device with activated carbon adsorption structure, including device box, the surface of device box is mounted with filter box, the surface of filter box is mounted with control button, the inside of device box is provided with first filter screen, the inside of device box is installed with fixed box, the inside of filter box is installed with second air pump, the input of second air pump is electrically connected with the output of control button, the output of second air pump is installed with air pipe, one end of air pipe penetrates filter box and extends to the outside of filter box, the surface of air pipe is installed with installation pipe through screw, the inside of installation pipe is connected with air pipe, the surface of the inner wall of device box and first filter screen is provided with dismounting and cleaning mechanism, the inside of dismounting and cleaning mechanism contains rotating plate, L type frame plate and dismounting and cleaning part, the inner wall of installation pipe and air pipe is provided with sealed air leakage prevention mechanism, the inside of sealed air leakage prevention mechanism contains sealing frame, sealing gasket, sealing air bag, sealing spring and groove, the inside of filter box is provided with adsorption filter mechanism, the inside of adsorption filter mechanism contains activated carbon adsorption layer, fixed plate and adsorption filter group.

[0006] Preferably, the surface of the device box and the filter box is provided with a door body, and the door body is detachably connected to the surface of the device box and the filter box, a containing box is mounted on the surface of the device box, a blower is mounted in the containing box, the input of the blower is electrically connected to the output of the control button, the input of the blower penetrates the containing box and extends to the outside of the containing box, the output of the blower penetrates the containing box and the device box in sequence and extends to the inside of the device box, filters are mounted in the fixed box, through holes are formed in the surface of the filters at equal intervals, the through holes are in communication with the inside of the fixed box, air guide holes are formed in the surface of the fixed box, the air guide holes are in communication with the inside of the fixed box, a first air pump is mounted in the device box, the input of the first air pump is electrically connected to the output of the control button, a suction pipe is mounted on the input of the first air pump, one end of the suction pipe penetrates the fixed box and extends to the inside of the fixed box, the output of the first air pump penetrates the filter box and extends to the inside of the filter box, a second filter screen for filtering and treating waste gas is mounted in the filter box.

[0007] Preferably, the dismounting and cleaning part is arranged on the inner wall of the device box and the surface of the first filter screen, the dismounting and cleaning part is composed of an elastic clamping piece, a fixed clamping groove and a guide sliding block, L-shaped frame plates are mounted on the inner walls of both sides of the device box, rotating plates are arranged on the surface of the L-shaped frame plates.

[0008] Preferably, surfaces on both sides of the first filter screen are provided with guiding sliding blocks for guiding the first filter screen, the guiding sliding blocks are in sliding fit with the inner walls of the L-shaped frame plate, the inner walls of the rotating plate are provided with elastic clamping members, surfaces of the first filter screen are provided with fixed clamping grooves, and the fixed clamping grooves are in clamping fit with surfaces of the elastic clamping members.

[0009] Preferably, the inner walls of the mounting pipe are provided with sealing frames, the sealing frames are internally provided with sealing pads for sealing between the mounting pipe and the air outlet pipe, one end of the sealing pad extends to the outside of the sealing frame and is in contact with the inner wall of the air outlet pipe, and the inner walls of the sealing frame are provided with grooves in sliding fit with surfaces of the sealing pads.

[0010] Preferably, the inner walls of the sealing frame are provided with equidistant sealing air bags, surfaces of the sealing air bags are fixed with surfaces of the sealing pads, the inner walls of the sealing frame are provided with equidistant sealing springs, and one end of the sealing spring is fixed with a surface of the sealing pad.

[0011] Preferably, the adsorption filter group is arranged in the filter box, and is composed of grooves, extension springs and arc clamping members, the filter box is internally provided with an activated carbon adsorption layer for adsorbing and filtering waste gas, surfaces of the activated carbon adsorption layer at top positions are provided with fixed plates, and surfaces of the fixed plates are provided with grooves.

[0012] Preferably, the grooves are internally provided with arc clamping members in sliding fit with the inner walls of the grooves, the arc clamping members are in clamping fit with the inner walls of the filter box, and the grooves are internally provided with extension springs, and one end of the extension spring is fixed with a surface of the arc clamping member.

[0013] Compared with the prior art, the waste gas filter device with the activated carbon adsorption structure has the advantages that: the waste gas filter device is convenient for a user to draw out the first filter screen from the inside of the device box for disassembling and cleaning the surface of the first filter screen, so that the user can operate the waste gas filter device more conveniently, harmful substances in waste gas can be adsorbed out when the waste gas filter device is used, the waste gas filter device has better filtering effect on waste gas, the treatment effect of the waste gas filter device on waste gas is greatly improved, the waste gas filter device is more practical, and the mounting pipe and the air outlet pipe can be sealed when the waste gas filter device is used, so that the phenomenon of waste gas leakage between the mounting pipe and the air outlet pipe during use of the waste gas filter device is avoided.

[0014] 1. By setting the disassembly and cleaning mechanism, the user pulls the first filter screen inside the device box, so that the first filter screen drives the guide slider to slide inside the L-shaped shelf plate, and the L-shaped shelf plate is guided under the action of the guide slider. The user rotates the rotating plate on the surface of the L-shaped shelf plate, so that the rotating plate drives the elastic clamping piece away from the inside of the fixed clamping groove, so as to pull out the first filter screen from the inside of the device box. The first filter screen is disassembled and cleaned to realize the function of the waste gas filtering device for replacing and cleaning the first filter screen, so that the waste gas filtering device is convenient for the user to pull out the first filter screen from the inside of the device box, and the surface of the first filter screen is disassembled and cleaned, so that the waste gas filtering device is more convenient for the user to operate;

[0015] 2. By setting the adsorption filtering mechanism, the user places the activated carbon adsorption layer in the filter box, at this time, the activated carbon adsorption layer drives the fixed plate to move, and the arc-shaped clamping piece moves under the action of the elastic force of the extension spring in the groove. The arc-shaped clamping piece is clamped to the inner wall of the corresponding filter box, and the activated carbon adsorption layer is installed in the filter box under the joint action of the extension spring and the arc-shaped clamping piece. When the waste gas enters the inside of the filter box, the harmful substances in the waste gas are adsorbed under the action of the activated carbon adsorption layer, realizing the function of the waste gas filtering device for adsorbing and filtering the waste gas, so that the waste gas filtering device can adsorb the harmful substances in the waste gas when used, and the filtering effect of the waste gas filtering device on the waste gas is better. The treatment effect of the waste gas filtering device on the waste gas is greatly improved, and the waste gas filtering device is more practical;

[0016] 3. By setting the sealing air leakage prevention mechanism, the sealing gasket is driven to move under the joint action of the sealing air bag and the sealing spring in the sealing frame, so that the sealing gasket slides in the groove. The sealing gasket is guided under the action of the groove, and the sealing gasket moves to contact the inner wall of the air outlet pipe under the joint action of the sealing frame and the sealing gasket. The installation pipe and the air outlet pipe are sealed and air leakage prevention is handled, avoiding the phenomenon that gas leaks from the installation pipe and the air outlet pipe during discharge, so that the sealing effect between the installation pipe and the air outlet pipe is better. The waste gas filtering device realizes the function of sealing air outlet, so that the waste gas filtering device can be sealed between the installation pipe and the air outlet pipe when used, avoiding the phenomenon that waste gas leaks from the installation pipe and the air outlet pipe during use of the waste gas filtering device. DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a front view cross-sectional structure schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 2 The amplification structure schematic view of the dismounting and cleaning mechanism;

[0020] Figure 4 For the utility model Figure 2 The amplification structure schematic view of the sealing and air leakage prevention mechanism;

[0021] Figure 5 The amplification structure schematic view of the adsorption and filtration mechanism of the utility model.

[0022] In the drawing: 1, device box;101, filter box;102, control button;103, filter;104, fixed box;105, through hole;106, air guide hole;107, air blower;108, containing box;109, first filter screen;110, mounting pipe;111, second filter screen;112, air outlet pipe;113, second air pump;114, first air pump;115, air suction pipe;2, dismounting and cleaning mechanism;21, rotating plate;22, L-shaped frame plate;23, dismounting and cleaning part;231, elastic clamping piece;232, fixed clamping groove;233, guide sliding block;3, sealing and air leakage prevention mechanism;31, sealing frame;32, sealing gasket;33, sealing air bag;34, sealing spring;35, groove body;4, adsorption and filtration mechanism;41, activated carbon adsorption layer;42, fixed plate;43, adsorption and filtration group;431, groove;432, extension spring;433, arc clamping piece. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and besides, the terms "first", "second", "third", "up", "down", "left", "right" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Meanwhile, in the description of the utility model, unless another explicit provision and limitation, the terms "connected", "connected" should be understood in a broad sense, for example, can be fixedly connected, or integrally connected;Can be mechanical connection, or electrical connection;Can be directly connected, or indirectly connected through intermediate medium, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without doing creative work belong to the scope of protection of the utility model.

[0024] The structure of the waste gas filtration device with activated carbon adsorption structure provided by the utility model is as shown in Figure 1 and Figure 2As shown, including device box 1, the surface of device box 1 is mounted with filter box 101, the surface of filter box 101 is mounted with control button 102, the model of control button 102 can be selected with LA series, the surface of device box 1 and filter box 101 is provided with door body, and the door body and the surface of device box 1 and filter box 101 are detachably connected, the surface of device box 1 is mounted with containing box 108, the inside of containing box 108 is mounted with air blower 107, the model of air blower 107 can be selected with VFC series, the input end of air blower 107 is electrically connected with the output end of control button 102, the input end of air blower 107 penetrates containing box 108 and extends to the outside of containing box 108, the output end of air blower 107 penetrates containing box 108 and device box 1 in sequence and extends to the inside of device box 1, the inside of device box 1 is provided with first filter screen 109, the inside of device box 1 is mounted with fixed box 104, the inside of fixed box 104 is mounted with filter 103, the surface of filter 103 is provided with equidistant through holes 105, through holes 105 are communicated with the inside of fixed box 104, the surface of fixed box 104 is provided with air guide holes 106, air guide holes 106 are communicated with the inside of fixed box 104, the inside of device box 1 is mounted with first air pump 114, the model of first air pump 114 can be selected with YX series, the input end of first air pump 114 is electrically connected with the output end of control button 102, the input end of first air pump 114 is mounted with air suction pipe 115, one end of air suction pipe 115 penetrates fixed box 104 and extends to the inside of fixed box 104, the output end of first air pump 114 penetrates filter box 101 and extends to the inside of filter box 101, the inside of filter box 101 is mounted with second filter screen 111 for waste gas filtration treatment, the inside of filter box 101 is mounted with second air pump 113, the model of second air pump 113 can be selected with YX series, the input end of second air pump 113 is electrically connected with the output end of control button 102, the output end of second air pump 113 is mounted with air outlet pipe 112, one end of air outlet pipe 112 penetrates filter box 101 and extends to the outside of filter box 101, the surface of air outlet pipe 112 is mounted with mounting pipe 110 through screws, mounting pipe 110 is communicated with the inside of air outlet pipe 112.

[0025] Further, as Figure 2 and Figure 3As shown, the inner wall of the device box 1 and the surface of the first filter screen 109 are provided with the dismounting and cleaning mechanism 2, the inside of the dismounting and cleaning mechanism 2 contains the rotating plate 21, the L-shaped frame plate 22 and the dismounting and cleaning part 23, the dismounting and cleaning part 23 is arranged on the inner wall of the device box 1 and the surface of the first filter screen 109, the dismounting and cleaning part 23 is composed of the elastic clamping piece 231, the fixed clamping groove 232 and the guide sliding block 233, the inner wall of the device box 1 is provided with the L-shaped frame plate 22, the surface of the L-shaped frame plate 22 is provided with the rotating plate 21, the surface of the rotating plate 21 and the L-shaped frame plate 22 are rotatably connected, the surface of the first filter screen 109 is provided with the guide sliding block 233, the guide sliding block 233 and the inner wall of the L-shaped frame plate 22 are slidably connected, the inner wall of the rotating plate 21 is provided with the elastic clamping piece 231, the surface of the first filter screen 109 is provided with the fixed clamping groove 232, and the surface of the fixed clamping groove 232 and the elastic clamping piece 231 are clampedly connected.

[0026] In the implementation process, the user pulls the first filter screen 109 in the device box 1, so that the first filter screen 109 drives the guide sliding block 233 to slide in the L-shaped frame plate 22, and the L-shaped frame plate 22 is guided under the action of the guide sliding block 233, then the user rotates the rotating plate 21 on the surface of the L-shaped frame plate 22, so that the rotating plate 21 rotates on the surface of the L-shaped frame plate 22, when the rotating plate 21 rotates, the rotating plate 21 drives the elastic clamping piece 231 to move away from the inside of the fixed clamping groove 232, so as to pull out the first filter screen 109 from the inside of the device box 1, and the first filter screen 109 is dismounted and cleaned, so as to realize the function that the waste gas filtering device is convenient to replace and clean the first filter screen 109.

[0027] Further, as shown in Figure 2 and Figure 4 the inner wall of the mounting pipe 110 and the inner wall of the gas outlet pipe 112 are provided with the sealing and air leakage prevention mechanism 3, the inside of the sealing and air leakage prevention mechanism 3 contains the sealing frame 31, the sealing pad 32, the sealing air bag 33, the sealing spring 34 and the groove 35, the inner wall of the mounting pipe 110 is provided with the sealing frame 31, the inside of the sealing frame 31 is provided with the sealing pad 32 for sealing between the mounting pipe 110 and the gas outlet pipe 112, one end of the sealing pad 32 extends to the outside of the sealing frame 31 and is in contact with the inner wall of the gas outlet pipe 112, the inner wall of the sealing frame 31 is provided with the groove 35, the groove 35 and the surface of the sealing pad 32 are slidably connected, the inner wall of the sealing frame 31 is provided with the equidistant sealing air bag 33, the surface of the sealing air bag 33 is fixed with the surface of the sealing pad 32, the inner wall of the sealing frame 31 is provided with the equidistant sealing spring 34, and one end of the sealing spring 34 is fixed with the surface of the sealing pad 32.

[0028] When the processed gas is discharged from the inside of the filter box 101 through the gas outlet pipe 112 and the mounting pipe 110, the sealing gasket 32 is driven to slide in the inside of the groove body 35 under the joint action of the sealing frame 31 and the sealing gasket 32, and the sealing gasket 32 is guided by the groove body 35, so that the sealing gasket 32 is in contact with the inner wall of the gas outlet pipe 112. The mounting pipe 110 and the gas outlet pipe 112 are sealed under the joint action of the sealing frame 31 and the sealing gasket 32 to prevent gas leakage between the mounting pipe 110 and the gas outlet pipe 112, so that the sealing effect between the mounting pipe 110 and the gas outlet pipe 112 is better, thereby realizing the function of sealing the exhaust gas of the exhaust gas filtering device.

[0029] Further, as shown in Figure 2 and Figure 5 , the inside of the filter box 101 is provided with an adsorption filtering mechanism 4, the inside of the adsorption filtering mechanism 4 contains an activated carbon adsorption layer 41, a fixed plate 42 and an adsorption filtering group 43, the adsorption filtering group 43 is arranged in the inside of the filter box 101, the adsorption filtering group 43 is composed of a groove 431, an extension spring 432 and an arc-shaped clamping piece 433, the inside of the filter box 101 is provided with the activated carbon adsorption layer 41 for adsorbing and filtering the exhaust gas, the surface of the fixed plate 42 is arranged at the top position of the activated carbon adsorption layer 41, the groove 431 is arranged on the surface of the fixed plate 42, the arc-shaped clamping piece 433 is arranged in the inside of the groove 431, the arc-shaped clamping piece 433 and the inner wall of the groove 431 are slidably connected, the arc-shaped clamping piece 433 and the inner wall of the filter box 101 are clamped and connected, the extension spring 432 is arranged in the inside of the groove 431, and one end of the extension spring 432 is fixed to the surface of the arc-shaped clamping piece 433.

[0030] In use, the user places the activated carbon adsorption layer 41 in the inside of the filter box 101, at this time, the activated carbon adsorption layer 41 drives the fixed plate 42 to move, the arc-shaped clamping piece 433 is driven to move under the elastic force of the extension spring 432 in the groove 431, so that the arc-shaped clamping piece 433 is clamped to the inner wall of the filter box 101, and the activated carbon adsorption layer 41 is installed in the inside of the filter box 101 under the joint action of the extension spring 432 and the arc-shaped clamping piece 433. When the exhaust gas enters the inside of the filter box 101, the harmful substances in the exhaust gas are adsorbed under the action of the activated carbon adsorption layer 41, thereby realizing the function of adsorbing and filtering the exhaust gas by the exhaust gas filtering device.

[0031] Working principle: in use, first of all, the device box 1 is placed in the designated position, the user operates the control button 102, so that the control button 102 controls the work of the air blower 107 in the holding box 108, under the action of the air blower 107, the exhaust gas is sucked into the inside of the device box 1, under the action of the first filter screen 109, the exhaust gas is filtered, the exhaust gas enters the inside of the fixed box 104 through the air guide hole 106, enters the inside of the filter 103 through the through hole 105, under the action of the filter 103, the exhaust gas is filtered, the user operates the control button 102 again, so that the control button 102 controls the work of the first air pump 114, under the action of the first air pump 114, the treated gas in the fixed box 104 is sucked into the inside of the filter box 101 through the air suction pipe 115, under the action of the second filter screen 111, the exhaust gas is filtered again, then the user operates the control button 102 again, so that the control button 102 controls the work of the second air pump 113, under the action of the second air pump 113, the treated gas is led out of the inside of the filter box 101 through the air outlet pipe 112.

[0032] Then, the user needs to replace the first filter screen 109 regularly, the user pulls the door body, and the door body is taken off from the surface of the device box 1, the user pulls the first filter screen 109 in the device box 1, so that the first filter screen 109 drives the guide sliding block 233 to slide in the inside of the L-shaped shelf plate 22, under the action of the guide sliding block 233, the L-shaped shelf plate 22 is guided, the user rotates the rotating plate 21 on the surface of the L-shaped shelf plate 22, so that the rotating plate 21 rotates on the surface of the L-shaped shelf plate 22, when the rotating plate 21 rotates, the rotating plate 21 drives the elastic clamping piece 231 away from the inside of the fixed clamping groove 232, so as to draw out the first filter screen 109 from the inside of the device box 1, the first filter screen 109 is disassembled and cleaned, so as to realize the function of conveniently replacing and cleaning the first filter screen 109 of the exhaust gas filtering device, so that the exhaust gas filtering device is convenient for the user to draw out the first filter screen 109 from the inside of the device box 1, disassemble and clean the surface of the first filter screen 109, so that the exhaust gas filtering device is more convenient for the user to operate.

[0033] Then, the user will be placed in the filter box 101 inside the activated carbon adsorption layer 41, at this time, the activated carbon adsorption layer 41 with fixed plate 42 movement, in the groove 431 inside the extension spring 432 under the action of the arc-shaped clamping piece 433 movement, so that the arc-shaped clamping piece 433 card to the corresponding filter box 101 of the inner wall, in the extension spring 432 and arc-shaped clamping piece 433 under the action of the activated carbon adsorption layer 41 installed in the filter box 101 inside, when the exhaust gas into the filter box 101 inside, under the action of the activated carbon adsorption layer 41 of harmful substances in the exhaust gas adsorption treatment, in order to realize the exhaust gas filter device for exhaust gas adsorption filtration function, so that the exhaust gas filter device can be used to adsorb harmful substances in the exhaust gas, the exhaust gas filter device for the exhaust gas filtration effect is better, greatly improves the exhaust gas filter device for the treatment effect of the exhaust gas, so that the exhaust gas filter device is more practical.

[0034] Then, when the gas after processing through the exhaust pipe 112 and installation pipe 110 discharge filter box 101 inside, under the action of the sealing frame 31 inside the sealed air bag 33 and sealing spring 34 with sealing pad 32 movement, so that the sealing pad 32 in the groove 35 inside the sliding, under the action of the groove 35 to sealing pad 32 is guided, so that the sealing pad 32 movement to the inner wall of the exhaust pipe 112 contact, under the action of the sealing frame 31 and sealing pad 32 between the installation pipe 110 and exhaust pipe 112 sealing leak gas treatment, avoid gas discharge from the installation pipe 110 and exhaust pipe 112 between the phenomenon of leakage, so that the installation pipe 110 and exhaust pipe 112 between the sealing effect is better, in order to realize the exhaust gas filter device sealing gas function, so that the exhaust gas filter device can be used to seal the installation pipe 110 and exhaust pipe 112 between the processing, to avoid the exhaust gas filter device in the use process from the installation pipe 110 and exhaust pipe 112 between the phenomenon of leakage, ultimately complete the use of exhaust gas filter device.

[0035] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than that of the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. An exhaust gas filter device with an activated carbon adsorption structure, comprising a device housing (1), characterized in that: The surface of the device box (1) is provided with a filter box (101), the surface of the filter box (101) is provided with a control button (102), the inside of the device box (1) is provided with a first filter screen (109), the inside of the device box (1) is provided with a fixed box (104), the inside of the filter box (101) is provided with a second air pump (113), the input end of the second air pump (113) is electrically connected with the output end of the control button (102), the output end of the second air pump (113) is provided with an air outlet pipe (112), one end of the air outlet pipe (112) penetrates through the filter box (101) and extends to the outside of the filter box (101), the surface of the air outlet pipe (112) is provided with a mounting pipe (110) through screws, the mounting pipe (110) is communicated with the inside of the air outlet pipe (112), the inner wall of the device box (1) and the surface of the first filter screen (109) are provided with a dismounting and cleaning mechanism (2), the inside of the dismounting and cleaning mechanism (2) contains a rotating plate (21), an L-shaped frame plate (22) and a dismounting and cleaning part (23), the inner wall of the mounting pipe (110) and the air outlet pipe (112) are provided with a sealing and air leakage prevention mechanism (3), the inside of the sealing and air leakage prevention mechanism (3) contains a sealing frame (31), a sealing gasket (32), a sealing air bag (33), a sealing spring (34) and a groove body (35), the inside of the filter box (101) is provided with an adsorption and filtration mechanism (4), the inside of the adsorption and filtration mechanism (4) contains an activated carbon adsorption layer (41), a fixed plate (42) and an adsorption and filtration group (43).

2. The exhaust filter of claim 1, wherein: The surface of the device box (1) and the surface of the filter box (101) are provided with door bodies, and the door bodies are detachably connected with the surface of the device box (1) and the surface of the filter box (101), a containing box (108) is mounted on the surface of the device box (1), a blower (107) is mounted in the containing box (108), the input end of the blower (107) is electrically connected with the output end of the control button (102), the input end of the blower (107) penetrates through the containing box (108) and extends to the outside of the containing box (108), and the output end of the blower (107) penetrates through the containing box (108) and the device box (1) in sequence and extends to the inside of the device box (1), a filter (103) is mounted in the inside of the fixed box (104), equidistant through holes (105) are formed in the surface of the filter (103) and communicate with the inside of the fixed box (104), air guide holes (106) are formed in the surface of the fixed box (104) and communicate with the inside of the fixed box (104), a first air pump (114) is mounted in the inside of the device box (1), the input end of the first air pump (114) is electrically connected with the output end of the control button (102), a suction pipe (115) is mounted on the input end of the first air pump (114), one end of the suction pipe (115) penetrates through the fixed box (104) and extends to the inside of the fixed box (104), and the output end of the first air pump (114) penetrates through the filter box (101) and extends to the inside of the filter box (101), wherein a second filter screen (111) for filtering and treating waste gas is mounted in the inside of the filter box (101).

3. The exhaust filter of claim 1, wherein: The dismounting and cleaning part (23) is arranged on the inner wall of the device box (1) and the surface of the first filter screen (109), and is composed of an elastic clamping piece (231), a fixed clamping groove (232) and a guide sliding block (233), L-shaped frame plates (22) are mounted on the inner walls of the two sides of the device box (1), and a rotating plate (21) is arranged on the surface of the L-shaped frame plate (22) and is rotatably connected with the surface of the L-shaped frame plate (22).

4. The exhaust filter of claim 1, wherein: The surfaces of the two sides of the first filter screen (109) are provided with guide sliding blocks (233) for guiding the first filter screen (109), the guide sliding blocks (233) and the inner walls of the L-shaped frame plates (22) are slidably connected with each other, the inner wall of the rotating plate (21) is provided with the elastic clamping piece (231), and the surface of the first filter screen (109) is provided with the fixed clamping groove (232), and the surface of the elastic clamping piece (231) is clamped with the fixed clamping groove (232).

5. The exhaust filter of claim 1, wherein: The inner wall of the installation pipe (110) is installed with a sealing frame (31), the inside of the sealing frame (31) is provided with a sealing gasket (32) for sealing between the installation pipe (110) and the air outlet pipe (112), one end of the sealing gasket (32) extends to the outside of the sealing frame (31) and is in contact with the inner wall of the air outlet pipe (112), the inner wall of the sealing frame (31) is provided with a groove (35), and the groove (35) and the surface of the sealing gasket (32) are in sliding fit with each other.

6. The exhaust filter of claim 5, wherein: The inner wall of the sealing frame (31) is installed with equidistant sealing air bags (33), the surface of the sealing air bag (33) is fixed with the surface of the sealing gasket (32), and the inner wall of the sealing frame (31) is installed with equidistant sealing springs (34), one end of the sealing spring (34) is fixed with the surface of the sealing gasket (32).

7. The exhaust filter of claim 1, wherein: The adsorption filter group (43) is arranged in the inside of the filter box (101), the adsorption filter group (43) is composed of a groove (431), an extension spring (432) and an arc-shaped clamping piece (433), the inside of the filter box (101) is provided with an activated carbon adsorption layer (41) for adsorbing and filtering exhaust gas, the surface of the activated carbon adsorption layer (41) at the top position is installed with a fixed plate (42), and the surface of the fixed plate (42) is provided with the groove (431).

8. The exhaust filter of claim 7, wherein: The inside of the groove (431) is provided with the arc-shaped clamping piece (433), the arc-shaped clamping piece (433) and the inner wall of the groove (431) are in sliding fit with each other, the arc-shaped clamping piece (433) and the inner wall of the filter box (101) are in clamping fit with each other, and the inside of the groove (431) is installed with the extension spring (432), one end of the extension spring (432) is fixed with the surface of the arc-shaped clamping piece (433).

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