CN112619377A - Exhaust gas purification system - Google Patents
Exhaust gas purification system Download PDFInfo
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- CN112619377A CN112619377A CN202011505405.2A CN202011505405A CN112619377A CN 112619377 A CN112619377 A CN 112619377A CN 202011505405 A CN202011505405 A CN 202011505405A CN 112619377 A CN112619377 A CN 112619377A
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- spraying
- gas
- exhaust gas
- tower body
- purification system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a waste gas purification system, which relates to the technical field of air purification and is provided with an air guide device, a spraying device and a mixing and separating device. The central column and the plurality of turbulence separation plates can be used for performing turbulence on a rising gas-liquid mixture, when the gas-liquid mixture flows in the flow separation interval between the turbulence separation plates, heavier liquid in the gas-liquid mixture can be attached to the surfaces of the turbulence separation plates, and the gas can continuously rise, so that the gas and the liquid in the gas-liquid mixture can be effectively separated, the liquid medicine is prevented from being mixed with the gas and entering a subsequent purification process together, the purification effect of waste gas is ensured, and the consumption of the liquid medicine is also reduced; the central axis of the plurality of spraying manifolds is distributed in a circumferential array mode through the spraying joints, so that the spraying areas of the spraying manifolds can fully cover the gas flowing through the tower body, the liquid medicine spraying uniformity is improved, and the waste gas purification effect is improved.
Description
Technical Field
The invention relates to the field of air purification, in particular to a waste gas purification system.
Background
The quality of the atmospheric environment can be greatly reduced by the emission of waste gas, part of the waste gas can carry peculiar smell, serious damage can be caused to the respiratory tract of organisms, part of the waste gas is acidic, and the emission of the acidic gas can cause the formation of acid rain.
Nowadays, production manufacturers generally use an exhaust gas purification system to purify exhaust gas in order to reduce the pollution degree of the exhaust gas, but the existing exhaust gas purification system still has the following disadvantages in the practical application process:
firstly, in an acid mist purification part of an exhaust gas purification system, acid molecules in exhaust gas are generally neutralized by spraying a liquid medicine, but a gas-liquid mixture formed by mixing the acid gas and the liquid medicine flows continuously after mixing, and the gas and the liquid are difficult to separate in the flowing process, so that the gas-liquid mixture is directly discharged to a subsequent purification process, and thus, the purification effect of the exhaust gas in the subsequent purification process is influenced, and the consumption of the liquid medicine in the acid mist purification part is also caused;
secondly, in the acid mist purification process, the spraying uniformity of the liquid medicine is low, and the flowing waste gas cannot be sufficiently sprayed and covered, so that the purification effect of the waste gas is further reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a waste gas purification system which can not only solve the technical problem that waste gas and liquid medicine are difficult to separate, but also solve the technical problem that the liquid medicine spraying uniformity is low.
The purpose of the invention is realized by the following technical scheme:
an exhaust gas purification system comprising:
the air guide device comprises a tower body and a medicine pool, an air inlet and an air outlet are formed in the tower body, and the medicine pool is communicated with the tower body;
the spraying device comprises a spraying pump, a water guide pipe, a spraying joint and a plurality of spraying manifolds, wherein the spraying pump is used for conveying the liquid medicine in the medicine pool into the water guide pipe, the spraying joint is arranged in the tower body, the spraying joint is respectively communicated with the water guide pipe and each spraying manifold, and each spraying manifold is distributed in a circumferential array by using the central axis of the spraying joint; and
the mixing and separating device comprises a breathable net frame, a central column and a plurality of turbulence separating plates, wherein the breathable net frame and the central column are respectively arranged in the tower body, the breathable net frame is used for bearing fillers, the turbulence separating plates are respectively connected with the central column and the tower body, and a shunting interval is arranged between every two adjacent turbulence separating plates.
In one embodiment, the air guiding device further includes a plurality of inspection windows, and each inspection window is respectively disposed on the tower body.
In one embodiment, each spray manifold is provided with a plurality of spray headers, and a space is arranged between two adjacent spray headers.
In one embodiment, the breathable net frame is provided with a plurality of breathable holes.
In one embodiment, the central axis of the spray joint and the central axis of the tower body coincide with each other.
In one embodiment, each turbulence separation plate is circumferentially distributed around the central axis of the central column.
In one embodiment, the mixing and separating device further comprises a plurality of separating sheets, and each separating sheet is arranged on the breathable net frame respectively.
In one embodiment, in one of the separation sheets, the separation sheet includes a flow blocking portion connected to the air-permeable net frame and a flow guide portion connected to the flow blocking portion.
In one of the embodiments, the tower body is provided with a circular cross-section.
In one embodiment, the exhaust gas purification system further comprises a filter in communication with the air outlet.
Compared with the prior art, the invention at least has the following advantages and beneficial effects:
the invention discloses a waste gas purification system, which relates to the technical field of air purification and is provided with an air guide device, a spraying device and a mixing and separating device. The central column and the plurality of turbulence separation plates can be used for performing turbulence on a rising gas-liquid mixture, when the gas-liquid mixture flows in the flow separation interval between the turbulence separation plates, heavier liquid in the gas-liquid mixture can be attached to the surfaces of the turbulence separation plates, and the gas can continuously rise, so that the gas and the liquid in the gas-liquid mixture can be effectively separated, the liquid medicine is prevented from being mixed with the gas and entering a subsequent purification process together, the purification effect of waste gas is ensured, and the consumption of the liquid medicine is also reduced; the central axis of the plurality of spraying manifolds is distributed in a circumferential array mode through the spraying joints, so that the spraying areas of the spraying manifolds can fully cover the gas flowing through the tower body, the liquid medicine spraying uniformity is improved, and the waste gas purification effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic configuration diagram of an exhaust gas purification system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another angle of an exhaust gas purification system according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is an enlarged schematic view of FIG. 2 at B;
FIG. 5 is a schematic structural diagram of a mixing and separating device according to an embodiment of the present invention;
fig. 6 is an enlarged schematic view at C of fig. 2.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, the exhaust gas purification system 10 includes an air guide device 100, a spraying device 200, and a mixing and separating device 300, wherein the spraying device 200 and the mixing and separating device 300 are respectively disposed on the air guide device 100.
The air guide device 100 plays a role of guiding the flow of the exhaust gas; the spraying device 200 is used for spraying and purifying the waste gas flowing in the air guide device 100 so as to achieve the purpose of purifying the waste gas; the mixing and separating device 300 is used for disturbing the gas-liquid mixture in the air guiding device 100, so that the liquid medicine in the gas-liquid mixture can be separated from the gas phase, and the purpose of gas-liquid separation is achieved.
Referring to fig. 1 and fig. 2, the air guiding device 100 includes a tower body 110 and a medicine tank 120, the tower body 110 is provided with an air inlet 111 and an air outlet 112, and the medicine tank 120 is communicated with the tower body 110.
It should be noted that the tower body 110 plays a role of guiding the flow of the exhaust gas; the medicine tank 120 is used for containing medicine liquid; the air inlet 111 is formed to enable waste gas to be input into the tower body 110; the opening of the air outlet 112 enables the purified gas to be output to the outside of the tower body 110.
In practical application, the liquid medicine flows to the bottom of the tower body 110 under the action of self weight, and the tower body 110 is communicated with the medicine pool 120, so that the recycling of the liquid medicine can be realized.
Referring to fig. 2 and 3, the spraying device 200 includes a spraying pump 210, a water conduit 220, a spraying joint 230 and a plurality of spraying manifolds 240, the spraying pump 210 is used for conveying the liquid medicine in the medicine pool 120 into the water conduit 220, the spraying joint 230 is disposed in the tower body 110, the spraying joint 230 is respectively communicated with the water conduit 220 and each spraying manifold 240, and each spraying manifold 240 is distributed in a circumferential array around the central axis of the spraying joint 230.
The spray pump 210 is used for pumping the liquid medicine in the medicine tank 120 into the water conduit 220; the water guide pipe 220 is used for guiding the liquid medicine to the spray joint 230; the spray header 230 is used to distribute the liquid medicine into each spray manifold 240; the spray manifold 240 is used to spray the liquid medicine, and plays a role in enlarging the spray area of the liquid medicine.
It should be added that the spraying areas of the spraying manifolds 240 are limited, and therefore, the spraying manifolds 240 are arranged in a circumferential array manner with the central axis of the spray joint 230, so that the spraying areas of the spraying manifolds 240 are uniformly distributed in the tower body 110, a spraying blind area of each spraying manifold 240 is avoided, waste gas can be sufficiently purified when flowing through the spraying device 200, and the air purification efficiency is improved.
Referring to fig. 2 and 4, the mixing and separating device 300 includes an air-permeable mesh frame 310, a central column 320, and a plurality of turbulence separating plates 330, wherein the air-permeable mesh frame 310 and the central column 320 are respectively disposed in the tower body 110, the air-permeable mesh frame 310 is used for carrying packing, each turbulence separating plate 330 is respectively connected to the central column 320 and the tower body 110, and a flow dividing space 340 is disposed between two adjacent turbulence separating plates 330.
It should be noted that the air permeable frame 310 is used for carrying the filler; the central column 320 plays a role of supporting each spoiler 330; the spoiler 330 plays a role of disturbing the flow of the gas-liquid mixture; the diversion space 340 is arranged so that the gas-liquid mixture can only flow through the space between two adjacent turbulent separation plates 330; wherein, the filler can be a filler which is sold in the market and can be used for enlarging the gas-liquid contact area.
It should be added that, in the flowing process, the gas-liquid mixture of the exhaust gas and the liquid medicine passes through each flow dividing interval 340, and due to the limitation of the flow dividing intervals 340, the gas-liquid mixture needs to change direction to a certain extent and then continues to flow, so that the flow velocity of the gas-liquid mixture is reduced, the contact time between the gas-liquid mixture and the turbulent flow separation plate 330 is prolonged, meanwhile, the liquid medicine in the gas-liquid mixture adheres to the surface of the turbulent flow separation plate 330, and the gas in the gas-liquid mixture continues to flow; so, the increase of contact time and the liquid medicine can be attached to and in the existence of vortex shedding plate 330 two factors for the liquid medicine in the gas-liquid mixture can deviate from the gas-liquid mixture in a large number, has realized gas-liquid separation of gas-liquid mixture effectively, has avoided the liquid medicine to mix together with the gas and has together got into subsequent purification process, has guaranteed the purifying effect of waste gas, simultaneously, because deviating from in a large number of liquid medicines, has still greatly reduced the consumption of liquid medicine.
Referring to fig. 2, in one embodiment, the air guiding device 100 further includes a plurality of inspection windows 130, and each inspection window 130 is disposed on the tower body 110.
It should be noted that, the maintenance observation window 130 is arranged, so that the maintenance personnel can observe the actual working condition of the exhaust gas purification system in real time, and the maintenance personnel can better maintain the internal components.
Specifically, in order to enable the spray manifolds 240 to spray the liquid medicine, referring to fig. 3, in one embodiment, each spray manifold 240 is provided with a plurality of spray headers 250, and a space is provided between two adjacent spray headers 250.
It should be noted that the spray header 250 is used for spraying the liquid medicine, so that the liquid medicine delivered into the spray manifold 240 can be smoothly sprayed; the interval arranged between the two adjacent spray headers 250 can prevent the spray areas of the two adjacent spray headers 250 from being overlapped too much, thereby avoiding the spray blind area of each spray header 250 in the process of spraying the liquid medicine, ensuring that the gas can be contacted with the liquid medicine in the flowing process and improving the air purification effect; the spray head 250 may be a commercially available spray head capable of spraying liquid medicine.
Referring to fig. 4, in one embodiment, a plurality of ventilation holes 311 are formed on the ventilation frame 310.
It should be noted that the ventilation holes 311 are formed to allow the exhaust gas to pass through the ventilation frame 310 and contact the filler.
Referring to fig. 3, in one embodiment, the central axis of the shower head 230 and the central axis of the tower body 110 coincide with each other.
In addition, in the present embodiment, the central axis of the shower head 230 is arranged to coincide with the central axis of the tower body 110, so that the liquid chemical can be uniformly sprayed, and the air purification effect can be further improved.
Referring to fig. 4, in one embodiment, the spoiler separation plates 330 are circumferentially distributed about a central axis of the central pillar 320.
It should be noted that, by arranging the turbulence separation plates 330 in a manner that the central axis of the central column 320 is circumferentially distributed, the gas passing through the turbulence separation plates 330 from all directions can be fully contacted with the turbulence separation plates 330, and a large amount of liquid medicine in the gas-liquid mixture can be separated.
Referring to fig. 4 and 5, in one embodiment, the blending separator 300 further includes a plurality of separating sheets 350, and each separating sheet 350 is disposed on the air-permeable frame 310.
The separation sheet 350 further separates the liquid chemical from the gas-liquid mixture; specifically, the gas-liquid mixture is pre-disturbed and pre-dehydrated by the separation plate 350 before flowing through the air-permeable screen frame 310, the gas-liquid mixture is pre-decelerated under disturbance of the separation plate 350 when flowing through the separation plate 350, and then the liquid medicine in the gas-liquid mixture is pre-dehydrated on the separation plate 350 while the gas-liquid mixture flows along the surface contour of the separation plate 350;
in this way, in the present embodiment, the amount of chemical solution escaping from the gas-liquid mixture can be further increased, and the chemical solution consumption amount can be further reduced while the exhaust gas purification efficiency is further improved.
Referring to fig. 5, in one embodiment, in one separation sheet 350, the separation sheet 350 includes a flow blocking portion 351 and a flow guiding portion 352, the flow blocking portion 351 is connected to the air-permeable frame 310, and the flow guiding portion 351 is connected to the flow blocking portion 352.
Note that the flow blocking portion 351 functions to block the flow of the gas-liquid mixture, so that the flow velocity of the gas-liquid mixture is reduced; the flow guide 352 serves to guide the flow of the decelerated gas-liquid mixture.
Thus, in this embodiment, the flow blocking portion 351 and the flow guiding portion 352 are disposed, so that the liquid medicine in the gas-liquid mixture can be effectively released onto the flow blocking portion 351 and the flow guiding portion 352, and the released liquid medicine can drop into the bottom of the tower body 110 along the flow blocking portion 351 and the flow guiding portion 352, thereby realizing the recycling of the liquid medicine.
Referring to fig. 2, in one embodiment, the tower body 110 is provided with a circular cross-section.
The tower body 110 has a cylindrical shape.
Compared with the prior art, the invention at least has the following advantages and beneficial effects:
the invention discloses a waste gas purification system, which relates to the technical field of air purification and is provided with an air guide device, a spraying device and a mixing and separating device. The central column and the plurality of turbulence separation plates can be used for performing turbulence on a rising gas-liquid mixture, when the gas-liquid mixture flows in the flow separation interval between the turbulence separation plates, heavier liquid in the gas-liquid mixture can be attached to the surfaces of the turbulence separation plates, and the gas can continuously rise, so that the gas and the liquid in the gas-liquid mixture can be effectively separated, the liquid medicine is prevented from being mixed with the gas and entering a subsequent purification process together, the purification effect of waste gas is ensured, and the consumption of the liquid medicine is also reduced; the central axis of the plurality of spraying manifolds is distributed in a circumferential array mode through the spraying joints, so that the spraying areas of the spraying manifolds can fully cover the gas flowing through the tower body, the liquid medicine spraying uniformity is improved, and the waste gas purification effect is improved.
Referring to fig. 1 and 2, in one embodiment, the exhaust gas purifying system 10 further includes a filter 400, and the filter 400 is in communication with the air outlet 112.
Note that the filter 400 is used to filter exhaust gas.
The prior filter still has the following defects in the practical application process:
firstly, the filter screen inside the filter is usually fastened and fixed, which results in a very complicated filter screen replacement process;
secondly, the waste gas has certain kinetic energy under the pump-out of wind gas, and when the waste gas contacts with the filter screen, the waste gas can transmit part of the kinetic energy to the filter screen, thereby causing the collision between the filter screen and the fixed structure of the filter screen, and therefore, generating larger noise in the collision process and causing the working noise of the filter to be larger.
In view of the above technical problem, in one embodiment, referring to fig. 1, fig. 2 and fig. 6 together, the filter 400 includes:
a filter housing 410;
the filter kit 420 comprises a filter screen 421 and a filter frame 422, the filter screen 421 is disposed on the filter frame 422, and the filter frame 422 is provided with fixing holes 423; and
the installation kit 430 comprises a fixed beam 431, a U-shaped elastic key 432 and a positioning ball 433, wherein the fixed beam 431 is arranged in the filter shell 410, the fixed beam 431 is provided with a fixed groove 434, one end of the U-shaped elastic key 432 is connected with the fixed beam 431, and the other end of the U-shaped elastic key 432 is connected with the positioning ball 433;
wherein, when the filter frame 422 is inserted into the fixing groove 434, the positioning ball 433 is adapted to fall into the fixing hole 423.
It should be noted that, in the practical application process, when the filter kit 420 needs to be assembled, after the filter frame 422 is inserted into the fixing groove 434, the positioning ball 433 will automatically fall into the fixing hole 423, so as to complete the installation of the filter kit 420; when the filter kit 420 needs to be replaced, the filter frame 422 is pulled out from the fixing groove 434, and in the process, the disassembly of the filter kit 420 can be completed only by overcoming the elastic force of the U-shaped elastic key 432 to enable the positioning ball 433 to be pulled out from the fixing hole 423; thus, convenience of replacing the filter kit 420 by a maintenance worker is effectively improved.
It should be further noted that the U-shaped elastic key 432 drives the positioning ball 433 to prop against the filter frame 422 under the elastic force of the U-shaped elastic key 432, so that one side surface of the filter frame 422 is tightly attached to the wall of the fixing groove 434, and thus, when the kinetic energy of the exhaust gas is transmitted to the filter kit 420, the filter frame 422 can be prevented from shaking in the fixing groove 434 due to the U-shaped elastic key 432, and noise can be avoided;
more importantly, the flow velocity of the exhaust gas is influenced by various conditions, the flow velocity of the exhaust gas may suddenly increase, and when the flow velocity of the exhaust gas suddenly increases, the filter frame 422 inevitably shakes to a certain extent in the fixed groove 434, and the U-shaped elastic key 432 has a certain elastic force, so that the U-shaped elastic key 432 can play a certain buffering role before the filter frame 422 collides with the groove wall of the fixed groove 434; thus, even when the exhaust gas velocity is suddenly increased, the present embodiment can effectively reduce the generation of noise.
Further, in order to enable the positioning ball 433 to smoothly enter the fixing hole 423 and enable the positioning ball 433 to smoothly escape from the fixing hole 423, please refer to fig. 6, in one embodiment, a hole wall of the fixing hole 423 is provided with a guiding arc surface 424.
It should be noted that, the setting of the guiding arc 424 can avoid the positioning ball 433 to be stuck at the edge of the fixing hole 423, so as to ensure that the positioning ball 433 can smoothly come out from the fixing hole 423, and further ensure that the maintenance personnel can quickly disassemble and assemble the filter kit 420.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An exhaust gas purification system, comprising:
the air guide device comprises a tower body and a medicine pool, an air inlet and an air outlet are formed in the tower body, and the medicine pool is communicated with the tower body;
the spraying device comprises a spraying pump, a water guide pipe, a spraying joint and a plurality of spraying manifolds, wherein the spraying pump is used for conveying the liquid medicine in the medicine pool into the water guide pipe, the spraying joint is arranged in the tower body, the spraying joint is respectively communicated with the water guide pipe and each spraying manifold, and each spraying manifold is distributed in a circumferential array by using the central axis of the spraying joint; and
the mixing and separating device comprises a breathable net frame, a central column and a plurality of turbulence separating plates, wherein the breathable net frame and the central column are respectively arranged in the tower body, the breathable net frame is used for bearing fillers, the turbulence separating plates are respectively connected with the central column and the tower body, and a shunting interval is arranged between every two adjacent turbulence separating plates.
2. The exhaust gas purification system according to claim 1, wherein the air guiding device further includes a plurality of inspection windows, and each of the inspection windows is disposed on the tower body.
3. The exhaust gas purification system according to claim 1, wherein each of the shower manifolds has a plurality of shower heads disposed thereon, and a space is provided between two adjacent shower heads.
4. The exhaust gas purification system according to claim 1, wherein the air-permeable frame has a plurality of air-permeable holes formed therein.
5. An exhaust gas purification system according to claim 1, wherein a central axis of the spray connection and a central axis of the tower body coincide with each other.
6. An exhaust gas purification system as claimed in claim 1, wherein each of the turbulent flow separation plates is circumferentially distributed about a central axis of the central column.
7. The exhaust gas purification system according to claim 1, wherein the mixing and separating device further includes a plurality of separating sheets, and each of the separating sheets is disposed on the air-permeable net frame.
8. The exhaust gas purification system according to claim 7, wherein in one of the separation sheets, the separation sheet includes a flow blocking portion connected to the air-permeable net frame and a flow guide portion connected to the flow blocking portion.
9. An exhaust gas purification system according to claim 1, wherein the tower body is provided with a circular cross-section.
10. The exhaust gas purification system according to claim 1, further comprising a filter in communication with the air outlet.
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| CN202011505405.2A CN112619377B (en) | 2020-12-18 | 2020-12-18 | Exhaust gas purification system |
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| CN202011505405.2A CN112619377B (en) | 2020-12-18 | 2020-12-18 | Exhaust gas purification system |
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| CN112619377B CN112619377B (en) | 2022-10-18 |
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