CN212142039U - Exhaust gas purification all-in-one device - Google Patents
Exhaust gas purification all-in-one device Download PDFInfo
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- CN212142039U CN212142039U CN202020146455.5U CN202020146455U CN212142039U CN 212142039 U CN212142039 U CN 212142039U CN 202020146455 U CN202020146455 U CN 202020146455U CN 212142039 U CN212142039 U CN 212142039U
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Abstract
The utility model relates to an organic waste gas treatment technical field provides a waste gas purification all-in-one device, including filter equipment, runner adsorption equipment, first pipeline, second pipeline, catalytic combustion device, first heat exchanger and second heat exchanger. The catalytic combustion device, the first heat exchanger and the second heat exchanger are sequentially communicated end to end, the rotating wheel adsorption device comprises an adsorption chamber, a desorption chamber and a cooling chamber, one end of the first pipeline is communicated with the second gas outlet, and the other end of the first pipeline is communicated with the second gas inlet through the first heat exchanger; the desorption chamber is communicated with the second air inlet and the third air outlet, one end of the second pipeline is communicated with the third air outlet and passes through the second heat exchanger, and the other end of the second pipeline is communicated with the air inlet end of the catalytic combustion device. The application discloses integrative device of exhaust purification is lower at net gas process energy consumption, and efficiency is higher.
Description
Technical Field
The utility model relates to an organic waste gas treatment technical field especially provides a waste gas purification all-in-one machine.
Background
With the rapid development of economy and industrialization in China, the problem of air pollution is highlighted day by day. The organic waste gas is an important component of air pollution, not only pollutes the atmospheric environment, but also poses serious threats to human health, and has the characteristics of carcinogenesis, teratogenesis and mutagenesis. In this context, the control of organic waste gases is not very slow.
In practical engineering applications, the purification treatment of low-concentration organic waste gas is mainly performed by adsorption, wet scrubbing, photocatalysis, plasma, biological methods, combustion methods, and the like. The photocatalysis and plasma technology has low removal efficiency, is easy to generate secondary pollutants, cannot meet the increasingly strict environmental protection emission requirement, wet washing is suitable for treating organic waste gas and inorganic waste gas with strong water solubility, generally used as a pretreatment means of other treatment technologies, a biological method is mainly applied to the sewage deodorization field at home, the occupied area is large, and the application in organic waste gas treatment is less. The adsorption technology mainly comprises the adsorption of activated carbon and zeolite molecular sieves according to different adsorption materials, the waste activated carbon is treated as hazardous waste, the operation cost is higher, safety risks exist in the desorption process, the zeolite has strong adsorption capacity, the desorption can be carried out at high temperature, the desorption is more thorough, the operation cost is low, and the adsorption technology is more and more widely applied to the field of low-concentration organic waste gas treatment.
Therefore, the problems of high energy consumption and low efficiency in the existing organic waste gas purification process need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integrative machine of exhaust gas purification aims at solving the problem that the energy consumption is high, the inefficiency that current exhaust gas purification device appears.
In order to achieve the above object, the utility model adopts the following technical scheme: an integrated waste gas purification device comprises a filtering device, a rotating wheel adsorption device, a first pipeline, a second pipeline, a catalytic combustion device, a first heat exchanger and a second heat exchanger, wherein the catalytic combustion device, the first heat exchanger and the second heat exchanger are sequentially communicated end to end, the rotating wheel adsorption device is provided with a first gas inlet, a second gas inlet, a first gas outlet, a second gas outlet and a third gas outlet, the rotating wheel adsorption device comprises an adsorption chamber, a desorption chamber and a cooling chamber, the adsorption chamber is communicated with the first gas inlet and the first gas outlet, and the gas outlet end of the filtering device is connected with the first gas inlet; an air outlet end of the cooling chamber is communicated with the second air outlet, one end of the first pipeline is communicated with the second air outlet, and the other end of the first pipeline is communicated with the second air inlet through the first heat exchanger; the desorption chamber is communicated with the second air inlet and the third air outlet, one end of the second pipeline is communicated with the third air outlet and passes through the second heat exchanger, and the other end of the second pipeline is communicated with the air inlet end of the catalytic combustion device.
In one embodiment, the integrated exhaust gas purification device further includes a third pipeline and a desorption temperature control valve, one end of the third pipeline is communicated with the second gas outlet, the other end of the third pipeline is communicated with the second gas inlet, and the desorption temperature control valve is disposed on the third pipeline.
In one embodiment, the integrated exhaust gas purification device further comprises a desorption air volume control valve, and the desorption air volume control valve is arranged on the first pipeline.
In one embodiment, the integrated waste gas purifying device further comprises a first fan, and the first fan is arranged at the first gas outlet.
In one embodiment, the integrated waste gas purifying device further comprises a second fan, and the second fan is arranged on the second pipeline.
In one embodiment, the integrated exhaust gas purification device further comprises a flame arrester, and the flame arrester is arranged on the second pipeline.
In one embodiment, the catalytic combustion device comprises a heating chamber, a catalytic chamber and a combustion chamber which are arranged in sequence along the flue gas transmission direction.
In one embodiment, the integrated exhaust gas purification device further comprises a chimney, and the chimney is respectively communicated with the second heat exchanger and the first air outlet.
In one embodiment, the integrated exhaust gas purification device further comprises a control device, and the filtering device, the rotary wheel adsorption device, the catalytic combustion device, the first heat exchanger and the second heat exchanger are all electrically connected with the control device to realize signal transmission.
The utility model has the advantages that: the utility model provides an integrated waste gas purification device, which has the following working process; firstly, the exhaust gas passes through a filtering device to remove large particles in the exhaust gas so as to meet the requirement of a rotating wheel adsorption device on the concentration of the particles, for example, in the current engineering application, the particles are required to be controlled below 1 μm; after multi-stage filtration is finished, waste gas enters the rotary wheel adsorption device through the first gas inlet and is subjected to adsorption treatment in the adsorption chamber, wherein zeolite materials with adsorption effects are filled in the adsorption chamber, and most of the waste gas is adsorbed to meet purification standards and then is discharged to the outside from the first gas outlet; a small part of waste gas enters the cooling chamber, enters the first pipeline from the second gas outlet, flows through the first heat exchanger through the first pipeline, so that the temperature of the waste gas in the first pipeline is raised, for example, the temperature of the waste gas is raised to about 200 ℃, the raised waste gas returns to the desorption chamber through the second gas inlet, and similarly, the desorption chamber is also filled with zeolite materials, so that the waste gas is subjected to high-temperature desorption; the waste gas of accomplishing the high temperature desorption flows out by the third gas outlet, carries out further processing in getting into catalytic combustion device through the second pipeline, flows through the second heat exchanger by the second pipeline to improve the waste gas temperature who gets into in the catalytic combustion device, carry out heat recovery, reduce the energy consumption. Finally, waste gas carries out catalytic combustion reaction in catalytic combustion device, finally decomposes into carbon dioxide and water, and whole process is high-efficient and quick, and simultaneously, the waste gas after the decomposition need carry out heat recovery through first heat exchanger and second heat exchanger once more and just can discharge, further reduces the energy consumption. In conclusion, the integrative device of exhaust-gas purification of this application, it is lower at net gas process energy consumption, and efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an exhaust gas purification all-in-one machine according to an embodiment of the present invention;
fig. 2 is a schematic circuit connection diagram of an exhaust gas purification all-in-one machine device according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
the device comprises a filtering device 10, a rotary wheel adsorption device 20, a first pipeline 31, a second pipeline 32, a catalytic combustion device 40, a first heat exchanger 51, a second heat exchanger 52, a first air inlet 21, a second air inlet 22, a first air outlet 23, a second air outlet 24, a third air outlet 25, a third pipeline 33, a desorption temperature control valve 61, a desorption air volume control valve 62, a first fan 71, a second fan 72, a flame arrester 80, a heating chamber 41, a catalytic chamber 42, a combustion chamber 43, a chimney 90 and a control device 100.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed 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 limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, an embodiment of the present invention provides an integrated exhaust gas purification device, which includes a filtering device 10, a rotary adsorption device 20, a first pipeline 31, a second pipeline 32, a catalytic combustion device 40, a first heat exchanger 51, and a second heat exchanger 52. The catalytic combustion device 40, the first heat exchanger 51 and the second heat exchanger 52 are sequentially communicated end to end, the rotary wheel adsorption device 20 is provided with a first air inlet 21, a second air inlet 22, a first air outlet 23, a second air outlet 24 and a third air outlet 25, the rotary wheel adsorption device 20 comprises an adsorption chamber, a desorption chamber and a cooling chamber, the adsorption chamber is communicated with the first air inlet 21 and the first air outlet 23, and the air outlet end of the filter device 10 is connected with the first air inlet 21; the air outlet end of the cooling chamber is communicated with the second air outlet 24, one end of the first pipeline 31 is communicated with the second air outlet 24, and the other end of the first pipeline 31 is communicated with the second air inlet 22 through the first heat exchanger 51; the desorption chamber is communicated with the second air inlet 22 and the third air outlet 25, one end of the second pipeline 32 is communicated with the third air outlet 25 and passes through the second heat exchanger 52, and the other end of the second pipeline 32 is communicated with the air inlet end of the catalytic combustion device 40.
The embodiment of the utility model provides an exhaust gas purification all-in-one machine device, its working process is as follows; firstly, the exhaust gas passes through the filtering device 10 to remove large particles in the exhaust gas, so as to meet the requirement of the rotary adsorption device 20 on the concentration of the particles, for example, in the current engineering application, the particles need to be controlled below 1 μm; after the multi-stage filtration is completed, the waste gas enters the rotary wheel adsorption device 20 through the first gas inlet 21 and is subjected to adsorption treatment in an adsorption chamber, wherein the adsorption chamber is filled with a zeolite material with an adsorption effect, and most of the waste gas is adsorbed and meets the purification standard and then is discharged to the outside from the first gas outlet 23; a small part of the exhaust gas enters the cooling chamber, enters the first pipeline 31 from the second gas outlet 24, flows through the first heat exchanger 51 through the first pipeline 31, so that the temperature of the exhaust gas in the first pipeline 31 is raised, for example, the temperature of the exhaust gas is raised to about 200 ℃, the raised exhaust gas returns to the desorption chamber through the second gas inlet 22, and similarly, the desorption chamber is also filled with a zeolite material, so that the exhaust gas is subjected to high-temperature desorption; the exhaust gas subjected to high-temperature desorption flows out from the third gas outlet 25, enters the catalytic combustion device 40 through the second pipeline 32 for further treatment, and flows through the second heat exchanger 52 through the second pipeline 32 so as to increase the temperature of the exhaust gas entering the catalytic combustion device 40. Finally, the waste gas carries out catalytic combustion reaction in catalytic combustion device 40, finally decomposes into carbon dioxide and water, and whole process is high-efficient and quick, and simultaneously, the waste gas after the decomposition need carry out heat recovery through first heat exchanger 51 and second heat exchanger 52 once more and just can discharge, further reduces the energy consumption. In conclusion, the integrative device of exhaust-gas purification of this application, it is lower at net gas process energy consumption, and efficiency is higher.
Here, the rotary wheel adsorption device 20 may be an existing commercially available device.
Referring to fig. 1, in the embodiment, the integrated exhaust gas purification device further includes a third pipeline 33 and a desorption temperature control valve 61, one end of the third pipeline 33 is communicated with the second air outlet 24, the other end is communicated with the second air inlet 22, and the desorption temperature control valve 61 is disposed on the third pipeline 33. It can be understood that when the temperature is higher than the temperature required for desorption, the desorption temperature control valve 61 is opened, and at this time, the third pipeline 33 is conducted, and the cooled gas directly enters the second gas inlet 22, i.e., the desorption chamber, through the third pipeline 33.
With continued reference to fig. 1, the integrated exhaust gas purification device further includes a desorption air volume control valve 62, and the desorption air volume control valve 62 is disposed on the first pipeline 31. It can be understood that, on the basis of the above-mentioned embodiment, the flow rate of the gas in the first pipeline 31 is controlled by the desorption air flow rate control valve 62, so that the concentration multiple of the adsorption device 20 is adjusted by controlling the flow rate of the gas entering the desorption chamber.
Referring to fig. 1, in the embodiment, the integrated waste gas purifying device further includes a first fan 71, and the first fan 71 is disposed at the first air outlet 23. It is understood that the purified gas is discharged to the outside by the power of the first fan 71.
Referring to fig. 1, in the present embodiment, the integrated waste gas purifying device further includes a second fan 72, and the second fan 72 is disposed on the second pipeline 32. It will be appreciated that the second fan 72 is used to power the gas entering the second duct 32.
Referring to fig. 1, in the present embodiment, the integrated exhaust gas purifying device further includes a flame arrester 80, and the flame arrester 80 is disposed on the second pipe 32. It can be understood that the catalytic combustion device 40 generates a large amount of heat during the gas purification process, and in order to avoid the heat from flowing back into the rotary wheel adsorption device 20 through the second pipeline 32, a flame arrester 80 is added to effectively prevent backfire and ensure safety.
Referring to fig. 1, in the present embodiment, the catalytic combustion device 40 includes a heating chamber 41, a catalytic chamber 42 and a combustion chamber 43 sequentially arranged along the flue gas transmission direction. It will be appreciated that the heating chamber 41 provides the temperature required during the cleaning process, particularly when the exhaust gas temperature is insufficient. The catalyst chamber 42 is filled with a catalyst, such as a noble metal catalyst, e.g., platinum, palladium, etc., which has a low light-off temperature and a space velocity of up to 30000h-1The catalytic oxidation efficiency can reach more than 98 percent.
Referring to fig. 1, in the present embodiment, the integrated apparatus for purifying exhaust gas further includes a chimney 90, and the chimney 90 is respectively communicated with the second heat exchanger 52 and the first air outlet 23. It will be appreciated that the cleaned gas is further evacuated by means of a stack 90.
Referring to fig. 2, in the embodiment, the integrated exhaust gas purifying device further includes a control device 100, and the filtering device 10, the rotating wheel adsorbing device 20, the catalytic combustion device 40, the first heat exchanger 51, and the second heat exchanger 52 are electrically connected to the control device 100 to implement signal transmission. It can be understood that the control device 100 is used to realize automatic control and monitor the main parameters of temperature, pressure difference, etc. in real time. Preferably, the control device 100 can be remotely connected to a terminal such as a mobile phone, so as to receive the device information in real time.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An exhaust purification all-in-one device which characterized in that: the device comprises a filtering device, a rotating wheel adsorption device, a first pipeline, a second pipeline, a catalytic combustion device, a first heat exchanger and a second heat exchanger, wherein the catalytic combustion device, the first heat exchanger and the second heat exchanger are sequentially communicated end to end, the rotating wheel adsorption device is provided with a first air inlet, a second air inlet, a first air outlet, a second air outlet and a third air outlet, the rotating wheel adsorption device comprises an adsorption chamber, a desorption chamber and a cooling chamber, the adsorption chamber is communicated with the first air inlet and the first air outlet, and the air outlet end of the filtering device is connected with the first air inlet; an air outlet end of the cooling chamber is communicated with the second air outlet, one end of the first pipeline is communicated with the second air outlet, and the other end of the first pipeline is communicated with the second air inlet through the first heat exchanger; the desorption chamber is communicated with the second air inlet and the third air outlet, one end of the second pipeline is communicated with the third air outlet and passes through the second heat exchanger, and the other end of the second pipeline is communicated with the air inlet end of the catalytic combustion device.
2. The integrated exhaust gas purification device according to claim 1, wherein: the waste gas purification all-in-one machine device further comprises a third pipeline and a desorption temperature control valve, one end of the third pipeline is communicated with the second gas outlet, the other end of the third pipeline is communicated with the second gas inlet, and the desorption temperature control valve is arranged on the third pipeline.
3. The integrated exhaust gas purification device according to claim 1, wherein: the waste gas purification all-in-one machine device further comprises a desorption air volume control valve, and the desorption air volume control valve is arranged on the first pipeline.
4. The integrated exhaust gas purification device according to claim 1, wherein: the waste gas purification all-in-one machine device further comprises a first fan, and the first fan is arranged at the first gas outlet.
5. The integrated exhaust gas purification device according to claim 1, wherein: the waste gas purification all-in-one machine device further comprises a second fan, and the second fan is arranged on the second pipeline.
6. The integrated exhaust gas purification device according to claim 1, wherein: the waste gas purification all-in-one machine device further comprises a flame arrester, and the flame arrester is arranged on the second pipeline.
7. The integrated exhaust gas purification device according to claim 1, wherein: the catalytic combustion device comprises a heating chamber, a catalytic chamber and a combustion chamber which are sequentially arranged along the smoke transmission direction.
8. The integrated exhaust gas purification device according to claim 1, wherein: the waste gas purification all-in-one machine device further comprises a chimney, and the chimney is communicated with the second heat exchanger and the first gas outlet respectively.
9. The integrated exhaust gas purification device according to claim 1, wherein: the waste gas purification all-in-one machine device further comprises a control device, and the filtering device, the rotating wheel adsorption device, the catalytic combustion device, the first heat exchanger and the second heat exchanger are electrically connected with the control device to realize signal transmission.
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| CN202020146455.5U CN212142039U (en) | 2020-01-22 | 2020-01-22 | Exhaust gas purification all-in-one device |
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| CN202020146455.5U CN212142039U (en) | 2020-01-22 | 2020-01-22 | Exhaust gas purification all-in-one device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114688550A (en) * | 2020-12-31 | 2022-07-01 | 上海协微环境科技有限公司 | Exhaust gas treatment device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688550A (en) * | 2020-12-31 | 2022-07-01 | 上海协微环境科技有限公司 | Exhaust gas treatment device and method |
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Effective date of registration: 20211227 Address after: 3 / F, block B, Tsinghua information port, No.1, songpingshan Xindong Road, songpingshan community, Xili street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Yinghe environment IOT Technology Co.,Ltd. Address before: 518000 No. 301, block B, R & D building, Tsinghua hi tech Industrial Park, Nanshan District, Guangdong, Shenzhen Patentee before: UNIVERSTAR SCIENCE & TECHNOLOGY (SHENZHEN) Co.,Ltd. |
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