Chemical waste gas air purifier for protecting environment

Abstract

The invention relates to the technical field of waste gas treatment, in particular to a chemical waste gas air purifier for protecting the environment, which comprises a box body, a transmission assembly, a filter material, a rubber air bag and a cleaning assembly, a transmission assembly for filtering waste gas is arranged in the box body; a plurality of filter materials for filtering waste gas are rotationally connected into the box body; the transmission assembly is connected with the filter material; the lower side of each filter material is connected with a rubber air bag for enhancing the pulse cleaning effect; an air nozzle is arranged on each rubber air bag; a cleaning assembly used for pulse cleaning is arranged on the box body. According to the chemical waste gas treatment device, folding layers on the filter material are stirred to be opened through the stirring plates, meanwhile, dust accumulated into clusters in the folding layers of the filter material is shaken off through vibration generated when the filter material makes contact with the stirring plates, accumulation of the dust in the folding layers of the filter material is reduced, the ventilation effect of the filter material is enhanced, and the treatment rate of chemical waste gas is increased.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas treatment, and in particular to a chemical waste gas air purifier for protecting the environment. Background Art

[0002] Pulse cleaning industrial dust collector is an efficient and reliable industrial dust removal equipment, mainly used to treat industrial waste gas containing dust impurities, remove dust in the gas to purify the air and protect the environment. This dust collector uses a short jet of compressed air (i.e. pulse cleaning) to remove dust deposits on the surface of the filter material, thereby keeping the filter bag clean and having an efficient filtering effect.

[0003] When using existing pulse-cleaning industrial dust collectors to clean industrial dust, some dust collectors use HEPA filter materials as the filter material inside. In order to increase the dust interception and filtration area, the HEPA filter material is usually in a multi-layer fine longitudinal folded state to increase the capture effect of particulate matter. However, in the process of dust interception, the dust gradually accumulates in the folded layer on the outside of the filter material, resulting in a gradual decrease in the filtration area, thereby reducing the treatment efficiency of industrial waste gas.

[0004] Furthermore, when the existing pulse-cleaning industrial dust collector performs pulse air blowing cleaning on the filter material, since the pulse airflow is an instantaneous airflow, when the pulse airflow impacts from the inside of the filter material to the outside, some folded layers on the inside of the filter material are stacked on each other, causing dust to be trapped in the folded layers on the outside of the filter material and unable to be blown off by the airflow, thereby reducing the pulse air blowing cleaning effect on the filter material. Summary of the invention

[0005] In order to overcome the problem that the filter material of the existing pulse-cleaning industrial dust collector is easily clogged by dust in the exhaust gas, thereby reducing the treatment efficiency of the industrial exhaust gas, when the filter material is cleaned, the folded layers on the outside of the filter material are squeezed and stacked, resulting in dust being unable to fall from the filter material, thereby reducing the cleaning effect of the filter material. The present invention provides a chemical exhaust gas air purifier for protecting the environment.

[0006] The technical solution of the present invention is: a chemical waste gas air purifier for protecting the environment, comprising a box body; an air inlet pipe is arranged on the box body; an exhaust pipe is arranged on the box body; the height of the exhaust pipe is higher than the air inlet pipe; a debris discharge port is arranged at the bottom of the box body; it also includes a transmission component, filter material, rubber airbag and cleaning component; a transmission component for filtering waste gas is arranged in the box body; a plurality of filter materials for filtering waste gas are rotatably connected inside the box body; the transmission component is connected to the filter material; a rubber airbag for enhancing the pulse cleaning effect is connected to the lower side of each filter material; an air nozzle is arranged on each rubber airbag; and a cleaning component for pulse cleaning is arranged on the box body.

[0007] As a preferred technical solution of the present invention, the transmission assembly includes a motor, a gear and a gear ring; the motor is fixedly connected inside the box; the gear is fixedly connected to the output end of the motor; a gear ring is fixedly connected to the upper part of each filter material; and each gear ring is meshed with the gear.

[0008] As a preferred technical solution of the present invention, the cleaning assembly includes a driving member, a cover plate, a pulse valve, an air storage tank, a rubber hose and an air blowing pipe; a plurality of driving members are fixedly connected to the upper side of the box body; a cover plate is fixedly connected to the telescopic ends of all the driving members; the cover plate is located above all the filter materials; a plurality of pulse valves for pulse cleaning of the filter materials are fixedly connected to the cover plate; each pulse valve is located on the inner side of the corresponding filter material; a plurality of air blowing pipes are fixedly connected to the cover plate; each air blowing pipe is located in the middle of the inner side of the filter material; each air blowing pipe is located directly above the corresponding rubber airbag, and the air is blown through the rubber airbag. The air pipe descends and is inserted into the rubber airbag to inflate it, so that the rubber airbag drives the folded layer on the filter material to expand; a gas storage tank for storing pulse gas is fixedly connected to the box body; the gas storage tank is connected to an external air pump; a number of rubber hoses are fixedly connected to and connected to the gas storage tank; each rubber hose is connected to a number of transmission pipes; each transmission pipe is connected to a pulse valve; each transmission pipe is installed with a solenoid valve; each rubber hose is connected to an air supply pipe; each air supply pipe is connected to an air blowing pipe; each air supply pipe is installed with a solenoid valve.

[0009] As a preferred technical solution of the present invention, it also includes an annular tube; the lower side of each air blowing tube is fixedly connected and communicated with an annular tube for enhancing the cleaning effect of the filter material; and the lower side of the annular tube is provided with a plurality of air outlets.

[0010] As a preferred technical solution of the present invention, a guide is also included; a guide for guiding the air blowing pipe to connect with the air nozzle is fixedly connected to the upper side of the air nozzle of each rubber airbag.

[0011] As a preferred technical solution of the present invention, the upper and lower parts of each rubber airbag are made of low-elasticity material, so that the longitudinal expansion range of the rubber airbag is relatively small.

[0012] As a preferred technical solution of the present invention, it also includes a prying plate; a plurality of prying plates for prying apart the folded layers of the filter material are fixedly connected to the upper side of each annular tube; and each prying plate is inserted into the folded layer of the corresponding filter material.

[0013] As a preferred technical solution of the present invention, two air intake pipes are provided; each air intake pipe is connected to the left side and the right side of the box body.

[0014] As a preferred technical solution of the present invention, it also includes a partition; the partition for protecting the gears and gear rings is slidably connected inside the box; the partition is located below the gears and all gear rings; and each filter material passes through the partition from top to bottom.

[0015] As a preferred technical solution of the present invention, it also includes protrusions and elastic parts; a plurality of protrusions are fixedly connected to the lower side of the gear; a plurality of protrusions are arranged in the middle part of the upper side of the partition; a plurality of elastic parts are fixedly connected to the upper side of the partition; each elastic part is fixedly connected to the inside of the box body.

[0016] Beneficial effects: The present invention realizes that the folded layer on the filter material is opened by the paddle plate, and at the same time, the dust accumulated in the folded layer of the filter material is shaken off by the vibration generated when the filter material contacts the paddle plate, thereby reducing the accumulation of dust in the folded layer of the filter material, enhancing the air permeability of the filter material, and improving the treatment rate of chemical waste gas; During the expansion process, the rubber airbag drives the lower end of the filter material to expand, so that the filter material as a whole is deformed into a truncated cone, and then the folded layer on the filter material is unfolded, so that the subsequent pulse airflow can blow off the dust impurities accumulated in the folded layer of the filter material; The chemical waste gas is blocked by the partition to prevent some dust impurities in the chemical waste gas from adhering to the gears and the gear rings, thereby avoiding the reduction of the meshing effect between the gears and the gear rings, thereby reducing the wear between the gears and the gear rings and extending the service life of the equipment; The convex blocks make the partition vibrate continuously in the box, which is helpful to shake off the dust impurities adhering to the lower side of the partition. When the filtering work is performed next time, the dust impurities adhering to the lower side of the partition are prevented from being quickly adsorbed onto the filter material, thereby avoiding the acceleration of the cycle of filter material being blocked by dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a first viewing angle stereoscopic structure of the present invention; Figure 2 It is a schematic diagram of a second viewing angle stereoscopic structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the box body, rubber airbag, filter material, transmission component, cleaning component and partition assembly of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the rubber airbag, filter material, transmission assembly, guide and partition assembly of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the transmission assembly, cleaning assembly and partition assembly of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the filter material, rubber airbag, paddle, annular tube and guide assembly of the present invention; Figure 7 It is a top view of the assembly of the paddle plate, filter material, air blowing pipe and annular pipe of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the motor, gear, partition and protrusion combination of the present invention.

[0018] Markings in the figure are: 1-box, 1001-intake pipe, 1002-exhaust pipe, 1003-exhaust port, 2-rubber airbag, 2001-air nozzle, 3-paddle, 101-filter material, 102-motor, 103-gear, 104-gear ring, 201-driving part, 202-cover plate, 203-pulse valve, 204-air storage tank, 205-rubber hose, 20501-transmission pipe, 20502-air transmission pipe, 206-blowing pipe, 207-ring pipe, 301-guide, 401-partition, 40101-protrusion, 501-bump, 502-elastic part. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, but is not intended to limit the present invention.

[0020] Example 1 like Figure 1-Figure 7 As shown, a chemical waste gas air purifier for protecting the environment includes a box body 1; an air inlet pipe 1001 is arranged on the box body 1; an exhaust pipe 1002 is arranged on the box body 1; the height of the exhaust pipe 1002 is higher than the air inlet pipe 1001; and a debris discharge port 1003 is arranged at the bottom of the box body 1; It also includes a transmission component, filter material 101, a rubber airbag 2 and a cleaning component; the transmission component is arranged in the box body 1; a plurality of filter materials 101 in a ring array are rotatably connected inside the box body 1, and the filter material 101 is made of HEPA material; the transmission component is connected to the filter material 101; a rubber airbag 2 is connected to the lower side of each filter material 101; an air nozzle 2001 is arranged on each rubber airbag 2; and a cleaning component is arranged on the box body 1.

[0021] The transmission assembly includes a motor 102 , a gear 103 and a gear ring 104 ; the motor 102 is fixedly connected inside the housing 1 ; the gear 103 is fixedly connected to the output end of the motor 102 ; a gear ring 104 is fixedly connected to the upper part of each filter material 101 ; each gear ring 104 is meshed with the gear 103 .

[0022] The cleaning assembly includes a driving member 201, a cover plate 202, a pulse valve 203, an air storage tank 204, a rubber hose 205 and an air blowing pipe 206; two driving members 201 that are symmetrical in front and back are fixedly connected to the upper side of the box body 1, and the driving member 201 is an electric push rod; a cover plate 202 is fixedly connected to the telescopic end of all driving members 201; the cover plate 202 is located above all filter materials 101; a number of pulse valves 203 are fixedly connected to the cover plate 202; each pulse valve 203 is located on the inner side of the corresponding filter material 101; a number of air blowing pipes 206 are fixedly connected to the cover plate 202; each air blowing pipe 206 is located in the middle of the inner side of the filter material 101; each air blowing pipe 206 are all located directly above the corresponding rubber airbags 2; an air tank 204 is fixedly connected to the box body 1; the air tank 204 is connected to an external air pump; four rubber hoses 205 that are symmetrical on the left and right are fixedly connected and connected to the air tank 204; each rubber hose 205 is connected to a number of transmission pipes 20501; each transmission pipe 20501 is connected to a pulse valve 203; each transmission pipe 20501 is installed with a solenoid valve; each rubber hose 205 is connected to an air pipe 20502; each air pipe 20502 is connected to an air blowing pipe 206; each air pipe 20502 is installed with a solenoid valve.

[0023] It also includes an annular tube 207; each blowing tube 206 is fixedly connected to and communicated with an annular tube 207 at the lower side; and a plurality of air outlets in an annular array are arranged at the lower side of the annular tube 207.

[0024] A guide 301 is also included; a guide 301 is fixedly connected to the upper side of the air nozzle 2001 of each rubber airbag 2 .

[0025] In order to ensure that the lateral expansion degree of the rubber airbag 2 is greater than the longitudinal expansion degree and enhance the expansion effect of the rubber airbag 2 on the folded layer of the filter material 101, the upper and lower parts of each rubber airbag 2 are made of low-elasticity material.

[0026] It also includes a paddle plate 3 ; a plurality of paddle plates 3 in a ring array are fixedly connected to the upper side of each annular tube 207 ; each paddle plate 3 is inserted into the folded layer of the corresponding filter material 101 .

[0027] In order to make the dust in the exhaust gas evenly adhere to the filter material 101 and prevent the filter material 101 from being partially blocked, two air inlet pipes 1001 are provided; each air inlet pipe 1001 is connected to the left and right sides of the box body 1.

[0028] The present invention enables the paddle plate 3 to paddle and open the folded layer on the filter material 101 when the filter material 101 rotates, thereby solving the problem that the dust gradually accumulates in the folded layer outside the filter material 101 during the process of intercepting dust in chemical waste gas due to the filter material 101 being in a longitudinally folded state, so that the filtration area is gradually reduced, resulting in reduced dust removal efficiency. The specific process is as follows: When using a pulse cleaning industrial dust collector to treat chemical waste gas, first control the external exhaust equipment to suck the inside of the box 1 through the exhaust pipe 1002, so that a negative pressure is formed inside the box 1, and then the chemical waste gas is sucked into the box 1 through the air inlet pipe 1001. After the chemical waste gas enters the box 1, it contacts the filter material 101, and the dust particles in the chemical waste gas are intercepted to the outside of the filter material 101. The filtered gas flows upward from the middle of the filter material 101 to the lower side of the cover plate 202, and is finally sucked from the exhaust pipe 1002 to the subsequent waste gas treatment process. During the dust interception process in the air, the control motor 102 drives the gear 103 to rotate, so that the gear 103 drives the filter material 101 to rotate through the gear ring 104. During the rotation of the filter material 101, each folded layer on the filter material 101 passes through each paddle 3 in turn, and the folded layer on the filter material 101 is paddled and opened by the paddle 3. At the same time, the vibration generated when the filter material 101 contacts the paddle 3 shakes off the dust accumulated in the folded layer of the filter material 101, reduces the accumulation of dust in the folded layer of the filter material 101, enhances the air permeability effect of the filter material 101, and improves the treatment rate of chemical waste gas.

[0029] The present invention expands the rubber airbag 2 laterally to drive the bottom of the filter material 101 to expand laterally, so that the folded layers on the filter material 101 are opened, which solves the problem that the intervals between the folded layers on the filter material 101 are small. When the filter material 101 is pulse-cleaned, the folded layers on the inner side of the filter material 101 are squeezed and stacked by the pulse airflow, so that the folded layers on the outer side of the filter material 101 are squeezed and stacked, resulting in dust being clamped in the outer folded layers and unable to be blown off by the airflow, thereby reducing the cleaning effect of the filter material 101. The specific process is as follows: When there is a lot of dust accumulated on the outside of the filter material 101, which reduces the air permeability of the filter material 101, the ventilation of the air inlet pipe 1001 and the exhaust pipe 1002 is closed at this time, and then the driving member 201 is controlled to drive the cover plate 202 to descend in the box body 1, so that the cover plate 202 drives the pulse valve 203 to fit together on the upper side of the filter material 101. In the process of the cover plate 202 driving the pulse valve 203 to descend, the cover plate 202 drives the blowing pipe 206 and the annular pipe 207 to descend together, so that the blowing pipe 206 approaches the rubber airbag 2. In this process, the blowing pipe 206 is guided and calibrated by the guide 301, so that the blowing pipe 206 is inserted into the air nozzle 2001 to prevent the blowing pipe 206 from failing to dock with the air nozzle 2001 normally.

[0030] After the air blowing pipe 206 is plugged into the air nozzle 2001, the solenoid valve on the air supply pipe 20502 is controlled to open, and then the external air pump is controlled to pump gas into the air storage tank 204. After the gas enters the air storage tank 204, it is gradually transported to the air supply pipe 20502 by the rubber hose 205, and then enters the rubber airbag 2 from the air supply pipe 20502 through the air blowing pipe 206, so that the rubber airbag 2 gradually expands laterally. During the expansion process, the rubber airbag 2 drives the lower end of the filter material 101 to expand laterally, so that the filter material 101 is deformed into a truncated cone as a whole, and then the folded layer on the filter material 101 is unfolded, so that the subsequent pulse airflow can blow off the dust impurities accumulated in the folded layer of the filter material 101. After the stack is unfolded, the solenoid valve on the transmission tube 20501 is controlled to open, and the gas tank 204 is controlled to instantly apply pressure to the inside of the rubber hose 205, so that the high-pressure gas passes through the transmission tube 20501 to open the pulse valve 203, and the pressurized gas is ejected to the inside of the deformed filter material 101, and the unfolded folded layer on the filter material 101 is back-blown and cleaned to prevent the folded layers on the filter material 101 from being squeezed and stacked on each other by the pulse airflow, and to prevent dust from being clamped in the folded layers outside the filter material 101 and unable to be blown off by the airflow, thereby enhancing the pulse back-blowing cleaning effect of the filter material 101, and the dust impurities blown off the filter material 101 fall downwards and are discharged from the impurity discharge port 1003 to the dust collection equipment for collection.

[0031] When the deformed filter material 101 is pulse-backblown for cleaning, part of the airflow enters the annular tube 207 through the air blowing tube 206, and is then blown out from the air outlet on the annular tube 207 toward the contact position between the lower part of the filter material 101 and the rubber airbag 2, thereby solving the problem that the cleaning effect of the pulse airflow ejected from the pulse valve 203 on the lower part of the filter material 101 is low due to the lower part of the filter material 101 being far away from the pulse valve 203, thereby further enhancing the pulse-backblowing cleaning effect on the filter material 101.

[0032] When the pulse backflushing cleaning work of the filter material 101 is completed, the control driving part 201 drives the cover plate 202 and the pulse valve 203 to rise and separate from the upper side of the filter material 101. During the rising process, the cover plate 202 drives the air pipe 206 to be pulled out from the air nozzle 2001, so that the air pipe 206 is separated from the rubber airbag 2. Then, the external exhaust equipment is controlled to suck the inside of the box body 1 through the exhaust pipe 1002, and the chemical waste gas is sucked into the inside of the box body 1 through the intake pipe 1001, and the chemical waste gas is continued to be treated.

[0033] Example 2 On the basis of Example 1, Figure 3-Figure 5 and Figure 8 As shown, a partition 401 is also included; the partition 401 is slidably connected inside the box body 1; the partition 401 is located below the gear 103 and all the gear rings 104; each filter material 101 passes through the partition 401 from top to bottom.

[0034] It also includes a protrusion 501 and an elastic member 502; a plurality of protrusions 501 in a circular array are fixedly connected to the lower side of the gear 103; a plurality of protrusions 40101 in a circular array are arranged in the middle of the upper side of the partition 401; a plurality of elastic members 502 in a circular array are fixedly connected to the upper side of the partition 401, and the elastic member 502 is a spring; each elastic member 502 is fixedly connected to the inside of the box body 1.

[0035] It is also considered that, when the motor 102 drives the gear 103 to rotate, so that the gear 103 drives the filter material 101 to rotate through the gear ring 104, some dust impurities in the chemical waste gas adhere to the gear 103 and the gear ring 104, resulting in a decrease in the meshing effect between the gear 103 and the gear ring 104, which aggravates the wear between the gear 103 and the gear ring 104. The specific solution process is as follows: When filtering the chemical waste gas, after the chemical waste gas enters the box body 1, the partition 401 blocks the chemical waste gas to prevent some dust impurities in the chemical waste gas from adhering to the gear 103 and the gear ring 104, thereby avoiding the reduction of the meshing effect between the gear 103 and the gear ring 104, thereby reducing the wear between the gear 103 and the gear ring 104 and extending the service life of the equipment.

[0036] The motor 102 drives the gear 103 to rotate, so that the gear 103 drives the filter material 101 to rotate through the gear ring 104, and the gear 103 drives the protrusion 501 to rotate together. When the protrusion 501 rotates to contact the protrusion 40101, the protrusion 40101 is pressed downward by the protrusion 501, and then the partition 401 is pressed downward, and the elastic member 502 is stretched at the same time. When the protrusion 501 rotates and passes the protrusion 40101, the protrusion 40101 loses the squeezing of the protrusion 501, so that the partition 401 rebounds upward and resets under the elastic force of the elastic member 502. Through the repeated squeezing of the protrusion 40101 by the protrusion 501, The partition 401 is continuously vibrated in the box body 1, which is beneficial to shaking off the dust impurities adhered to the lower side of the partition 401. When the filtering work is continued after the filter material 101 is cleaned, the dust impurities adhered to the lower side of the partition 401 are prevented from being quickly adsorbed onto the filter material 101, thereby avoiding the acceleration of the cycle of the filter material 101 being blocked by dust. When the partition 401 vibrates, it drives the filter material 101 to vibrate together, which is beneficial to shaking off the dust impurities accumulated in the folded layer outside the filter material 101, reducing the accumulation of dust in the folded layer of the filter material 101, enhancing the air permeability effect of the filter material 101, and further improving the treatment rate of chemical waste gas.

[0037] It should be understood that the above description is only for exemplary purposes and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention will be included within the scope of the claims herein.

Claims

1. A chemical waste gas air purifier for protecting the environment, comprising a housing (1); an air inlet pipe (1001) is arranged on the housing (1); an exhaust pipe (1002) is arranged on the housing (1); the height of the exhaust pipe (1002) is higher than the air inlet pipe (1001); a debris discharge port (1003) is arranged at the bottom of the housing (1); the characteristics are: It also comprises a transmission component, filter material (101), a rubber airbag (2) and a cleaning component; a transmission component for filtering exhaust gas is arranged inside the box (1); a plurality of filter materials (101) for filtering exhaust gas are rotatably connected inside the box (1); the transmission component is connected to the filter material (101); a rubber airbag (2) for enhancing the pulse cleaning effect is connected to the lower side of each filter material (101); an air nozzle (2001) is arranged on each rubber airbag (2); and a cleaning component for pulse cleaning is arranged on the box (1).

2. The chemical waste gas air purifier for protecting the environment according to claim 1, characterized in that: The transmission assembly comprises a motor (102), a gear (103) and a gear ring (104); the motor (102) is fixedly connected inside the housing (1); the gear (103) is fixedly connected to the output end of the motor (102); a gear ring (104) is fixedly connected to the upper part of each filter material (101); and each gear ring (104) meshes with the gear (103).

3. The chemical waste gas air purifier for protecting the environment according to claim 2, characterized in that: The cleaning component comprises a driving member (201), a cover plate (202), a pulse valve (203), an air storage tank (204), a rubber hose (205) and an air blowing pipe (206); a plurality of driving members (201) are fixedly connected to the upper side of the box body (1); a cover plate (202) is commonly fixedly connected to the telescopic ends of all driving members (201); the cover plate (202) is located above all filter materials (101); a plurality of pulse valves (203) for pulse cleaning the filter materials (101) are fixedly connected to the cover plate (202); each pulse valve (203) is located on the inner side of the corresponding filter material (101); a plurality of air blowing pipes (206) are fixedly connected to the cover plate (202); each air blowing pipe (206) is located at the middle of the inner side of the filter material (101); each air blowing pipe (206) is located directly above the corresponding rubber airbag (2), and the air blowing pipe (206) is lowered and inserted into the rubber airbag (2) to inflate it, so that the rubber airbag (2) drives the folded layer on the filter material (101) to expand; a gas storage tank (204) for storing pulse gas is fixedly connected to the box body (1); the gas storage tank (204) is connected to an external air pump; a plurality of rubber hoses (205) are fixedly connected to and connected to the gas storage tank (204); each rubber hose (205) is connected to a plurality of transmission pipes (20501); each transmission pipe (20501) is connected to a pulse valve (203); each transmission pipe (20501) is installed with a solenoid valve; each rubber hose (205) is connected to an air supply pipe (20502); each air supply pipe (20502) is connected to an air blowing pipe (206); each air supply pipe (20502) is installed with a solenoid valve.

4. The chemical waste gas air purifier for protecting the environment according to claim 3, characterized in that: It also includes an annular tube (207); the lower side of each air blowing tube (206) is fixedly connected to and communicates with an annular tube (207) for enhancing the cleaning effect on the filter material (101); and the lower side of the annular tube (207) is provided with a plurality of air outlets.

5. The chemical waste gas air purifier for protecting the environment according to claim 4, characterized in that: It also includes a guide (301); a guide (301) is fixedly connected to the upper side of the air nozzle (2001) of each rubber airbag (2) and is used to guide the air blowing tube (206) to dock with the air nozzle (2001).

6. The chemical waste gas air purifier for protecting the environment according to claim 5, characterized in that: The upper and lower parts of each rubber airbag (2) are made of low-elasticity material, so that the longitudinal expansion range of the rubber airbag (2) is relatively small.

7. The chemical waste gas air purifier for protecting the environment according to claim 4, characterized in that: It also includes a prying plate (3); a plurality of prying plates (3) for prying apart the folded layers of the filter material (101) are fixedly connected to the upper side of each annular tube (207); each prying plate (3) is inserted into the folded layer of the corresponding filter material (101).

8. The chemical waste gas air purifier for protecting the environment according to claim 3, characterized in that: Two air intake pipes (1001) are provided; each air intake pipe (1001) is connected to the left side and the right side of the box body (1).

9. The chemical waste gas air purifier for protecting the environment according to claim 8, characterized in that: It also includes a partition (401); the box body (1) is slidably connected with the partition (401) for protecting the gear (103) and the gear ring (104); the partition (401) is located below the gear (103) and all the gear rings (104); and each filter material (101) passes through the partition (401) from top to bottom.

10. The chemical waste gas air purifier for protecting the environment according to claim 9, characterized in that: It also includes a protrusion (501) and an elastic member (502); a plurality of protrusions (501) are fixedly connected to the lower side of the gear (103); a plurality of protrusions (40101) are provided in the middle of the upper side of the partition (401); a plurality of elastic members (502) are fixedly connected to the upper side of the partition (401); and each elastic member (502) is fixedly connected to the inside of the box body (1).

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