CN112156590A - Tail gas treatment device - Google Patents
Tail gas treatment device Download PDFInfo
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- CN112156590A CN112156590A CN202011020910.8A CN202011020910A CN112156590A CN 112156590 A CN112156590 A CN 112156590A CN 202011020910 A CN202011020910 A CN 202011020910A CN 112156590 A CN112156590 A CN 112156590A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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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
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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
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention provides a tail gas treatment device, which comprises an air inlet pipeline, a spraying box and a spraying mechanism, wherein the spraying box is arranged on the air inlet pipeline; the spraying box is provided with a spraying cavity; the air inlet pipeline is connected into the spraying cavity and extends towards the bottom plate of the spraying cavity; the spraying mechanism is provided with at least two spraying heads vertically arranged at intervals, and the spraying heads are all positioned in the air inlet pipeline. Through directly setting up the shower head in the inlet duct of waste gas for the operation face of shower head is limited in the inlet duct, thereby improves the water smoke density in the spray zone, and then makes waste gas just obtain abundant spray operation in the intraductal, purifies the particulate matter in the waste gas. Therefore, the problems that in the prior art, waste gas enters a spraying cavity with a larger cross section and a larger space, spraying operation is carried out again, spraying is insufficient due to the fact that the spraying operation area is enlarged, and the purifying effect is reduced can be solved.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a tail gas treatment device.
Background
In industrial production, exhaust gas and particulate matters are often discharged, and because the exhaust gas has a certain temperature and a certain flow pressure, part of the particulate matters are discharged along with the exhaust gas. According to different gas production equipment, the waste gas can contain high-temperature metal particles, sawdust, dust, paraffin, lubricating oil and the like.
The current more common of handling waste gas is the spray box, has the atomizing cavity in the spray box, and gas transmission pipeline carries out water smoke spray-rinsing to waste gas with waste gas input atomizing cavity in, has a plurality of shower heads in the atomizing cavity to particulate matter to in the waste gas carries out purification treatment. However, the large size of the atomizing chamber results in low water mist density, which in turn reduces purification efficiency and results. And when a plurality of gas transmission pipelines are communicated with the atomizing chamber, the waste gas is easy to reversely flow into different gas transmission pipelines in a series mode.
Disclosure of Invention
The invention provides a tail gas treatment device, and aims to solve the problems of low atomization density and insufficient spraying of a spraying box.
The invention is realized by the following steps:
a tail gas treatment device comprises an air inlet pipeline, a spraying box and a spraying mechanism; the spraying box is provided with a spraying cavity; the air inlet pipeline is connected into the spraying cavity and extends towards the bottom plate of the spraying cavity; the spraying mechanism is provided with at least two spraying heads vertically arranged at intervals, and the spraying heads are all positioned in the air inlet pipeline.
In the preferred embodiment of the present invention:
as a one-step improvement, the number of the air inlet pipelines is at least two, and the side wall of each air inlet pipeline is provided with a punching structure consisting of a plurality of punching holes; the gas inlet pipeline is in gas exchange with the spraying cavity through the punching structure.
As a further improvement, the bottom of the spraying cavity is used for containing the purifying liquid, and the tail end of the air inlet pipeline extends to the position below the liquid level of the purifying liquid.
As a one-step improvement, the lower part of the air inlet pipeline comprises an inner air channel and an anti-streaming pipeline sleeved outside the inner air channel; the outer side of the inner air duct and the inner side of the series flow prevention pipeline are provided with a gap for air to flow;
the tail end of the anti-streaming pipeline is positioned below the liquid level of the purification liquid; the tail end of the inner air duct is positioned above the liquid level of the purifying liquid; the punching structure is located on the side wall of the anti-streaming pipeline.
As a one-step improvement, the horizontal height of the punching structure is higher than that of the tail end of the inner air duct.
As a further improvement, a first partition plate is arranged between adjacent air inlet pipelines and used for blocking water mist sprayed out of the punching structure.
As a one-step improvement, the diameter of the punched holes is 0.5-16mm, and the number of the punched holes is 500-60000 meshes.
As a further improvement, the spraying mechanism comprises a water pump, and the water pump is used for conveying the purifying liquid at the bottom of the spraying cavity to the spraying head.
As a one-step improvement, an air outlet cavity and a middle cavity are also arranged in the spraying box; a second partition plate is arranged between the spraying cavity and the middle cavity, and a first air channel for air circulation is arranged above the second partition plate; a third partition plate is arranged between the middle cavity and the air outlet cavity, and a second air passage for air circulation is arranged below the third partition plate; the air outlet of the air outlet cavity is positioned at the upper part or the top end of the air outlet cavity; and the air outlet of the air outlet cavity is positioned at the upper part or the top end of the air outlet cavity.
As a one-step improvement, the series flow preventing pipeline is slidably sleeved on the outer side wall of the inner air duct.
The invention has the beneficial effects that: through directly setting up the shower head in the inlet duct of waste gas for the operation face of shower head is limited in the inlet duct, thereby improves the water smoke density in the spray zone, and then makes waste gas just obtain abundant spray operation in the intraductal, purifies the particulate matter in the waste gas. Therefore, the problems that in the prior art, waste gas enters a spraying cavity with a larger cross section and a larger space, spraying operation is carried out again, spraying is insufficient due to the fact that the spraying operation area is enlarged, and the purifying effect is reduced can be solved.
In addition, multiple spray headers are arranged along the vertical direction of the air inlet pipeline, so that the waste gas is contacted with water mist sprayed by the spray headers in a longer flowing space to be purified; further improving the spraying effect.
Furthermore, in order to prevent the influence of the backflow and series flow phenomena on the production workshop equipment and the host machine when a plurality of waste gas inlet pipelines use the same spraying box and the gas pressure of each inlet pipeline is not uniform or each inlet pipeline does not work simultaneously. According to the invention, the side wall of the gas inlet pipeline is provided with the punching structure, so that the mode of exchanging gas in a large channel into a small hole and multiple outlets is changed, the air outlet area is increased, the wind speed is slowed down, a large wind is changed into a small wind, and the impact on other waste gas inlet pipelines is reduced. Meanwhile, the punching structure airflow exchange mode of other waste gas inlet pipelines can also reduce the flow and pressure of external airflow entering the pipeline. Therefore, the streaming and backflow air pressure is in the safety line, and the streaming and backflow phenomena are greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required 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 view of an exhaust gas treatment device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second perspective structure of an exhaust gas treatment device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a third perspective structure of an exhaust gas treatment device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the inlet duct and the showerhead of fig. 1.
Icon:
the device comprises an air inlet pipeline 1, a punching structure 11, a punching hole 111, an inner air duct 12 and an anti-streaming pipeline 13;
the spraying box 2, a spraying cavity 21, an air outlet cavity 22, a middle cavity 23, a second partition plate 24, a third partition plate 25, a filter screen 26, a bottom foot 27 and an air outlet 28;
a spray header 31, a water pump 32, a spray pipe 33 and a purifying liquid 34.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 4, an exhaust gas treatment device includes an air inlet pipe 1, a spraying box 2 and a spraying mechanism.
The spraying box 2 is provided with a spraying cavity 21; the air inlet pipeline 1 extends downwards into the spraying cavity 21 from the top of the spraying box 2; the spraying mechanism is provided with at least two spraying heads 31 which are vertically arranged at intervals, and the spraying heads 31 are all positioned in the air inlet pipeline 1.
Through directly setting up shower head 31 in the inlet duct 1 of waste gas/tail gas for the operation face of shower head 31 is limited in the inlet duct, thereby improves the water smoke density in the spray zone, and then makes waste gas just obtain abundant spray operation in the intraductal, purifies the particulate matter in the waste gas. Therefore, the problems that in the prior art, waste gas enters a spraying cavity with a larger cross section and a larger space, spraying operation is carried out again, spraying is insufficient due to the fact that the spraying operation area is enlarged, and the purifying effect is reduced can be solved.
In this embodiment, the spraying mechanism has three vertically spaced spray headers 31; in other embodiments, there may be two, or four, or other numbers. It will be appreciated by those skilled in the art that, as an equivalent solution, a shower head 31 may be formed by combining a plurality of atomising heads, which in the solution of the invention is represented by groups of atomising heads arranged at vertically spaced intervals in a plurality of phases.
Therefore, the multiple spray headers 31 are arranged along the vertical direction of the air inlet pipeline 1, so that the waste gas is contacted with the water mist sprayed by the spray headers 31 in a longer flowing space and purified; further improving the spraying effect.
In other embodiments, the air inlet duct 1 may enter the spray chamber 21 from the upper portion of the sidewall of the spray box 2 and turn to extend toward the bottom of the spray chamber 21.
Further, the number of the air inlet pipelines 1 is at least two, and the side wall of the air inlet pipeline 1 is provided with a punching structure 11 consisting of a plurality of punching holes 111; the gas inlet pipe 1 is in gas exchange with the spraying cavity 21 through the punching structure 11. That is, the sprayed gas and mist in the air inlet duct 1 rush out of the air inlet duct 1 through the plurality of punched holes 11 of the punching structure 11 and enter the spraying cavity 21.
In the present embodiment, the number of the air inlet ducts 1 is two, and in other embodiments, the number of the air inlet ducts 1 may be 3, 4, or other numbers.
In order to prevent the influence of the backflow and series flow phenomena on production workshop equipment and a host when a plurality of waste gas inlet pipelines 1 use the same spray box and the gas pressure of each inlet pipeline 1 is uneven or each inlet pipeline 1 does not work simultaneously. According to the invention, the side wall of the gas inlet pipeline 1 is provided with the punching structure, so that the mode of exchanging gas in a large channel into a small hole and multiple outlets is changed, the air outlet area is increased, the wind speed is slowed down, a large wind is changed into a small wind, and the impact on other waste gas inlet pipelines is reduced.
Meanwhile, the punching structure airflow exchange mode of other waste gas inlet pipelines 1 can also reduce the flow and impact force of external airflow entering the pipelines. Therefore, the streaming and backflow air pressure and flow are in a safety line, and the streaming and backflow phenomena are greatly reduced.
The bottom of the spraying cavity 21 is used for containing a purifying liquid 34, and the tail end of the air inlet pipeline 1 extends to a position below the liquid level of the purifying liquid 34; and the tail end of the air inlet pipeline 1 is spaced from the bottom plate of the spraying cavity 21. Therefore, particulate matters carried in the waste gas can be directly dropped into the purifying liquid 34 for purification treatment after being sprayed, and meanwhile, the whole cleaning is convenient.
Because the tail end of the gas inlet pipeline 1 is arranged in the purifying liquid, the gas of the gas inlet pipeline 1 flows through the punching structure 11 and the outside, and the gas flow rate at the lower part of the gas inlet pipeline 1 is reduced, so that the waste gas/tail gas can be purified in a spraying area with high atomization density for more time.
Further, the lower part of the air inlet pipeline 1 comprises an inner air duct 12 and a series flow preventing pipeline 13 sleeved outside the inner air duct; the outer side of the inner air duct 12 and the inner side of the series flow preventing pipe 13 have a gap for air to flow.
The end of the anti-series flow pipeline 13 is positioned below the liquid level of the purifying liquid 34; the tail end of the inner air duct 12 is positioned above the liquid level of the purifying liquid 34; the punching structure 11 is located on the side wall of the anti-streaming pipeline.
Through the double-pipeline arrangement of the inner air duct 12 and the series flow preventing pipeline 13 sleeved outside, the air and water mist of the air inlet pipeline 1 can enter the spraying cavity 21 through the punching hole 111 only by winding one bend. Further reducing the speed and impact force of the airflow entering the spraying cavity 21 and also reducing the speed and pressure of the airflow entering the air inlet pipeline 1 in the spraying cavity 21, thereby achieving the effect of preventing series flow and backflow.
Meanwhile, due to the arrangement of the double pipelines, the side wall of the inner air pipe 12 is not provided with through holes, and the spray headers 21 can be distributed at more reasonable vertical intervals in a longer vertical space, so that a longer efficient spraying area is obtained.
In cooperation with this, in the preferred embodiment, the level of the punching structure 11 is higher than the level of the end of the inner air duct 12.
In a preferred embodiment, the anti-serial flow duct 13 is slidably sleeved on the outer side wall of the inner air duct 12, so that the height of the anti-serial flow duct 13 can be adjusted according to the water level, and the punching structures 11 of different air inlet ducts 1 are staggered as much as possible. In cooperation with the air inlet duct 12, the upper portion of the air inlet duct 1 and the inner duct 12 are integrally formed, so that the manufacturing cost is saved.
In other embodiments, there is a first partition between adjacent inlet ducts 1 for blocking water mist sprayed from the perforated structure.
The spraying mechanism comprises a water pump 32, and the water pump 32 is used for conveying the purifying liquid at the bottom of the spraying cavity 21 to the spraying head 31 through a spraying pipe 33. The water inlet pipe of the water pump 32 is provided with a screen to prevent particles or impurities from clogging the water pump 32. In order to facilitate cleaning, a water drain valve is arranged at the bottom of the spraying box 2.
Referring to fig. 3, the spraying box 2 further has an air outlet cavity 22 and an intermediate cavity 23 therein; a second clapboard 34 is arranged between the spraying cavity 21 and the middle cavity 23, and a first air duct for air circulation is arranged above or above the second clapboard 34. A third partition plate 25 is arranged between the middle cavity 23 and the air outlet cavity 22, and a second air passage for air circulation is arranged below or at the lower part of the third partition plate 23; the air outlet 28 of the air outlet cavity 22 is located at the upper part or top end of the air outlet cavity.
The purified gas from the gas inlet duct 1 enters the shower chamber 21 from the punched holes 111 and then moves upward to enter the intermediate chamber 23 through the first air passage above or above the second partition plate 24; then moves downwards and enters the air outlet cavity 22 through a second air passage below or at the lower part of the third partition plate 25; and finally moves upward to flow out through the air outlet 28. The purified gas moves up and down through the plurality of chambers, and particles and water vapor in the gas are fully attenuated and settled.
Further, in the preferred embodiment, the air outlet 28 of the air outlet cavity 22 is provided with a filter screen 26. The filter screen 26 can filter particles, and can further block water mist, thereby reducing the liquid loss in the spray box 2.
In the embodiment, in order to increase the volume of the purification liquid 34 in the spray box 2, the service time of injecting the purification liquid 34 once is increased; the bottoms of the spraying cavity 21, the gas outlet cavity 22 and the middle cavity 23 are communicated with each other, so that the purifying liquid 34 can flow in different cavities. Further, the bottom of the spraying box 2 is also provided with a bottom foot 27.
The punched hole 111 of the punching structure 11 can refer to a punching plate structure, and the punched hole 11 can be a circular structure, a rectangular structure or a special-shaped structure, and does not affect air outlet. The diameter and the mesh number of the punched holes 111 can be designed according to the requirements of the specific spraying box structure and the use scene for preventing series flow or backflow.
For example, the diameter of the punched holes 111 may be 0.0001-30mm, and the number thereof may be 10-60000000 mesh. In the preferred embodiment, the diameter of the punched holes is 0.5-16mm, and the number of the punched holes is 500-60000 meshes.
It should be noted that, in the drawings of the present embodiment, the air inlet duct 1 is circular, and in other embodiments, the air inlet duct 1 may also be square or other shapes, which is not limited herein. In the drawing of the embodiment, the spraying cavity 21, the gas outlet cavity 22 and the middle cavity 23 are adjacent to each other in pairs, so that the space is saved. In other embodiments, the spraying cavity 21, the gas outlet cavity 22 and the middle cavity 23 can be arranged from left to right.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tail gas treatment device comprises an air inlet pipeline, a spraying box and a spraying mechanism;
it is characterized in that the preparation method is characterized in that,
the spraying box is provided with a spraying cavity; the air inlet pipeline is connected into the spraying cavity and extends towards the bottom plate of the spraying cavity; the spraying mechanism is provided with at least two spraying heads vertically arranged at intervals, and the spraying heads are all positioned in the air inlet pipeline.
2. The exhaust gas treatment device according to claim 1,
the side wall of the air inlet pipeline is provided with a punching structure consisting of a plurality of punching holes; the gas inlet pipeline is in gas exchange with the spraying cavity through the punching structure.
3. The exhaust gas treatment device according to claim 2,
the bottom of the spraying cavity is used for containing the purifying liquid, and the tail end of the air inlet pipeline extends to the position below the liquid level of the purifying liquid.
4. The exhaust gas treatment device according to claim 3, wherein the lower portion of the air inlet duct comprises an inner air duct and an anti-serial flow duct sleeved outside the inner air duct; the outer side of the inner air duct and the inner side of the series flow prevention pipeline are provided with a gap for air to flow; the tail end of the inner air duct is positioned above the liquid level of the purifying liquid; the punching structure is located on the side wall of the anti-streaming pipeline.
5. The exhaust gas treatment device according to claim 4, wherein the level of the punching structure is higher than the level of the end of the inner duct.
6. The exhaust gas treatment device according to claim 2, wherein a first partition is provided between adjacent inlet ducts, the first partition being configured to block water mist sprayed from the perforated structure.
7. The tail gas treatment device according to claim 2, wherein the punched holes have a diameter of 0.5-16mm and a number of 500-60000 meshes.
8. The exhaust gas treatment device according to claim 3, wherein the spraying mechanism comprises a water pump for delivering the cleaning solution at the bottom of the spraying chamber to the spray header.
9. The tail gas treatment device according to claim 1, wherein the spray box further comprises a gas outlet cavity and an intermediate cavity; a second partition plate is arranged between the spraying cavity and the middle cavity, and a first air channel for air circulation is arranged above the second partition plate; a third partition plate is arranged between the middle cavity and the air outlet cavity, and a second air passage for air circulation is arranged below the third partition plate; and the air outlet of the air outlet cavity is positioned at the upper part or the top end of the air outlet cavity.
10. The exhaust gas treatment device according to claim 3, wherein the series flow preventing pipe is slidably sleeved on an outer side wall of the inner air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020910.8A CN112156590B (en) | 2020-09-25 | 2020-09-25 | Tail gas treatment device |
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|---|---|---|---|
| CN202011020910.8A CN112156590B (en) | 2020-09-25 | 2020-09-25 | Tail gas treatment device |
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| CN112156590A true CN112156590A (en) | 2021-01-01 |
| CN112156590B CN112156590B (en) | 2022-05-20 |
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| CN2625019Y (en) * | 2003-07-22 | 2004-07-14 | 湖南大学 | Sleeve pattern wet dust-removing desulphurization apparatus |
| CN2699141Y (en) * | 2004-05-28 | 2005-05-11 | 修志清 | Dust/sulfur removing device of coal burning boiler flue duct |
| US20060097411A1 (en) * | 2004-11-08 | 2006-05-11 | Daewoo Electronics Corporation | Wet type air cleaner |
| KR100728667B1 (en) * | 2006-01-24 | 2007-06-15 | 이영훈 | Air cleaner using water |
| CN103203147A (en) * | 2013-05-02 | 2013-07-17 | 东北大学 | Spraying water storage impact type internal circulating dust remover and dust removal method |
| CN203389489U (en) * | 2013-07-09 | 2014-01-15 | 福建绿源新能源科技有限公司 | Special purification device for combustion tail gas of biomass boiler |
| CN204073733U (en) * | 2014-09-12 | 2015-01-07 | 河北盛卓建筑设备制造有限公司 | A kind of centralized collection dust device |
| CN105289168A (en) * | 2015-12-02 | 2016-02-03 | 林原 | Liquid power fan for environment protection |
| CN206660825U (en) * | 2017-01-21 | 2017-11-24 | 浙江澳蓝环保科技有限公司 | A kind of purification of air groove |
| CN206613309U (en) * | 2017-03-10 | 2017-11-07 | 胡志英 | Processing unit for industrial waste gas |
| CN206587540U (en) * | 2017-03-24 | 2017-10-27 | 徐德勇 | Smoke purifier |
| CN206980358U (en) * | 2017-05-16 | 2018-02-09 | 浙江天洁环境科技股份有限公司 | A kind of wet dust separater of high-effective dust-removing |
| CN108211596A (en) * | 2017-12-21 | 2018-06-29 | 佛山市倍尚利环保科技有限公司 | A kind of environmental protection machinery spraying dedusting device convenient for adjusting |
| CN209735309U (en) * | 2018-12-29 | 2019-12-06 | 厦门托力托环保科技有限公司 | Waste gas treatment device |
| CN110339663A (en) * | 2019-08-12 | 2019-10-18 | 温州大学苍南研究院 | A kind of spray dust collector becoming rail technology with wind direction |
| CN211069461U (en) * | 2019-08-30 | 2020-07-24 | 佛山市璟联环保科技有限公司 | Environment-friendly PP spray tower |
| CN210584455U (en) * | 2019-09-25 | 2020-05-22 | 四川华佳节能设备科技有限公司 | Novel waste gas purification tower |
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