CN210786725U - Boiler tail gas treatment device - Google Patents
Boiler tail gas treatment device Download PDFInfo
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- CN210786725U CN210786725U CN201921678328.3U CN201921678328U CN210786725U CN 210786725 U CN210786725 U CN 210786725U CN 201921678328 U CN201921678328 U CN 201921678328U CN 210786725 U CN210786725 U CN 210786725U
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- filter box
- absorption liquid
- tail gas
- filter
- liquid pool
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Abstract
The utility model belongs to the technical field of tail gas treatment, in particular to a boiler tail gas treatment device, which comprises a filter plate and an absorption liquid pool, wherein a particulate matter settling plate arranged in a filter box 1 transversely is arranged on a filter plate arranged in the filter box above the particulate matter settling plate, and a tail gas inlet to be treated arranged below the filter box is arranged in the filter box above the particulate matter settling plate; a particulate matter outlet is formed in the bottom plate of the filter box; the air outlet of the filter box is communicated with the inner cavity of the filter box at the upper part of the filter plate; the air outlet of the connecting pipeline is communicated with the bottom of the absorption liquid pool; a liquid inlet and a liquid outlet are respectively arranged above and below one side of the absorption liquid pool; a clean air outlet pipe is connected below the absorption liquid pool; the air inlet of the clean air outlet pipe extends into the middle upper part in the absorption liquid pool, and the horizontal height of the air inlet of the clean air outlet pipe is higher than the horizontal height of the liquid level in the absorption liquid pool, so that the structure is compact.
Description
Technical Field
The utility model belongs to the technical field of the tail gas treatment, concretely relates to boiler tail gas processing apparatus.
Background
It has been determined that boiler and automobile exhaust gases are mainly exhausted through exhaust pipes, crank pipes, fuel tanks, gasifiers, etc., and most of them are exhausted through the exhaust pipes. At present, more than 100 substances are separated from boiler and automobile exhaust, wherein more than 80 substances are harmful substances and mainly comprise: carbon monoxide, hydrocarbons, nitrogen oxides, carbon dioxide, soot particles (containing certain heavy metal compounds, lead compounds, black smoke and oil mist), odors (containing formaldehyde and the like). According to statistics, every thousand automobiles discharge about 3000kg of carbon monoxide, 200-400 kg of hydrocarbon and 50-150 kg of oxynitride every day.
In the tail gas discharged from boiler and car, except that nitrogen gas, oxygen gas, combustion product CO2 and water vapour are harmless components, the rest are all harmful components. The toxic substances discharged by boilers and automobile engines are mainly caused by the following reasons: the fuel is not fully combusted, and particularly, when the fuel is continuously started and the fuel injector is poorly sprayed and works under overload, fuel cannot be well combusted with oxygen, so that a large amount of CO, HC and black smoke can be generated; nitrogen oxides NOx formed by high temperature and high pressure in the combustion chamber; the fuel oil contains a small amount of heavy metal impurities which cannot be removed by combustion. These toxic substances are continuously discharged into the atmosphere, threaten the health of people, and the utility model discloses the harmful substance in the tail gas is purified to solid-gas separation, gas-liquid separation among the medium boiler tail gas treatment device.
In order to solve the above problems, people are always searching for an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a boiler tail gas processing apparatus has simple structure, and is with low costs, and each part is quick detachable washs convenient to use characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: the boiler tail gas treatment device comprises a filter box, a particulate matter settling plate transversely arranged in the filter box, a tail gas inlet to be treated arranged below the filter box, a filter plate arranged in the filter box above the particulate matter settling plate, and an absorption liquid pool communicated with a first filter box gas outlet of the filter box through a connecting pipeline provided with a negative pressure exhaust fan; a particulate matter outlet is formed in the bottom plate of the filter box; the gas outlet of the first filter box is communicated with the inner cavity of the filter box at the upper part of the filter plate; the air outlet of the connecting pipeline is communicated with the bottom of the absorption liquid pool; a liquid inlet and a liquid outlet are respectively arranged above and below one side of the absorption liquid pool; a clean air outlet pipe is connected below the absorption liquid pool; and the air inlet of the clean air outlet pipe extends into the middle upper part in the absorption liquid pool, and the horizontal height of the air inlet of the clean air outlet pipe is higher than that of the liquid level in the absorption liquid pool.
Based on the above, flow control valve includes a tee bend flow control valve, the other end that the high pressure was taken over outward with the lower extreme of measurement pipe is connected to respectively tee bend flow control valve's right-hand member hole and upper end hole, tee bend flow control valve's left end hole with the right-hand member hole is relative, be equipped with the flow control structure on the left end hole.
Based on the above, the inside top of rose box is provided with four layers of filter.
Based on the above, the negative pressure exhaust fan is arranged at one end of the connecting pipeline close to the gas outlet of the first filter box.
Based on the above, the liquid outlet of the absorption liquid pool is provided with the liquid quality detection instrument.
The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model has the following advantages:
1. the utility model discloses a multiple multistage filtration's method carries out the segmentation to tail gas and filters, has set up the particle settling plate in the rose box, and tail gas gets into the intrinsic particle settling plate physical settlement of rose box from the air inlet, is filtered by the filter precision again to gaseous and small particle separation.
2. The acid-base absorption liquid in the absorption liquid pool fully absorbs acid-base gas in tail gas to achieve thorough tail gas purification; the utility model discloses simple structure, it is with low costs, and each part is quick detachable washs convenient to use.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
in the figure: 1. a filter box; 2. a particulate matter settling plate; 3. a tail gas inlet; 4. a filter plate; 5. a first filter box gas outlet; 6. connecting a pipeline; 7. an absorption liquid pool; 8. a liquid inlet; 9. a liquid outlet; 10. a tail gas outlet; 11. a negative pressure exhaust fan; 12. a liquid quality inspection detector; 14. and (5) a particulate matter outlet.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1-2, the utility model provides the following technical solutions: the boiler tail gas treatment device comprises a filter box 1, a particulate matter settling plate 2 transversely arranged in the filter box 1, a tail gas inlet 3 to be treated arranged below the filter box 1, a filter plate 4 arranged in the filter box 1 above the particulate matter settling plate 2, and an absorption liquid pool 7 communicated with a first filter box gas outlet 5 of the filter box 1 through a connecting pipeline 6 provided with a negative pressure exhaust fan 11; a particulate matter outlet 14 is formed in the bottom plate of the filter box 1; the gas outlet 5 of the first filter tank is communicated with the inner cavity of the filter tank 1 at the upper part of the filter plate 4; the air outlet of the connecting pipeline 6 is communicated with the bottom of the absorption liquid pool 7; a liquid inlet 8 and a liquid outlet 9 are respectively arranged above and below one side of the absorption liquid pool 7; a clean air outlet pipe 10 is connected below the absorption liquid pool 7; the air inlet of the clean air outlet pipe 10 extends into the middle upper part of the absorption liquid pool 7, and the horizontal height of the air inlet of the clean air outlet pipe 10 is higher than that of the liquid level in the absorption liquid pool.
Specifically, 1 inside top of rose box is provided with four layers of filter 4, and tail gas can pass through the filter at the in-process of rose box upward movement, filters the large granule waste material.
Specifically, the negative pressure exhaust fan 11 is arranged at one end of the connecting pipeline 6 close to the gas outlet 5 of the first filter box, and the negative pressure fan can accelerate gas to enter an absorption liquid pool to accelerate purification.
Specifically, a liquid quality detection instrument 12 is arranged on a liquid outlet 9 of the absorption liquid pool 7, and the quality of liquid in the absorption liquid pool can be judged through the liquid quality detection instrument, so that the liquid can be replaced as soon as possible when the liquid fails.
The utility model discloses a theory of operation and use flow: the utility model discloses the principle adopts the method of multiple multistage filtration to carry out the segmentation filtration to tail gas, has set up the particle settling plate in the rose box, and tail gas gets into the rose box from the air inlet and deposits in the particle settling plate physics, is filtered by the filter precision again, thereby gas and tiny particle separation, the utility model discloses the absorption liquid pond that increases, acid-base absorption liquid in the absorption liquid pond fully absorbs acid-base gas in the tail gas, reaches thorough tail gas purification;
the use process comprises the following steps: boiler tail gas enters the tail gas treatment device through a connecting flange pipeline, and the particle settling plate pretreats the tail gas, so that the service life of the rear filter plate can be prolonged; the filter plates are all arranged in a folded shape, so that the contact area between each filter plate and the tail gas is greatly increased, the tail gas is fully filtered and absorbed, the tail gas is subjected to acid-base neutralization by the aid of the acid-base pool serving as the absorption liquid pool, the temperature of the tail gas is reduced, and the emission of harmful gases is effectively reduced; the utility model discloses simple structure, it is with low costs, and each part is quick detachable washs convenient to use.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (4)
1. The utility model provides a boiler tail gas processing apparatus which characterized in that: comprises a filter box (1), a particulate matter sedimentation plate (2) transversely arranged in the filter box (1), a tail gas inlet (3) to be treated arranged below the filter box (1), a filter plate (4) arranged in the filter box (1) above the particulate matter sedimentation plate (2), and an absorption liquid pool (7) communicated with a first filter box gas outlet (5) of the filter box (1) through a connecting pipeline (6) provided with a negative pressure exhaust fan (11); a particle outlet (14) is formed in the bottom plate of the filter box (1); the gas outlet (5) of the first filter tank is communicated with the inner cavity of the filter tank (1) at the upper part of the filter plate (4); the air outlet of the connecting pipeline (6) is communicated with the bottom of the absorption liquid pool (7); a liquid inlet (8) and a liquid outlet (9) are respectively arranged above and below one side of the absorption liquid pool (7); a clean air outlet pipe (10) is connected below the absorption liquid pool (7); the air inlet of the clean air outlet pipe (10) extends into the middle upper part of the absorption liquid pool (7), and the horizontal height of the air inlet of the clean air outlet pipe (10) is higher than that of the liquid level in the absorption liquid pool.
2. The boiler tail gas treatment device according to claim 1, characterized in that: four layers of filter plates (4) are arranged above the inside of the filter box (1).
3. The boiler tail gas treatment device according to claim 1, characterized in that: the negative pressure exhaust fan (11) is arranged at one end of the connecting pipeline (6) close to the gas outlet (5) of the first filter box.
4. The boiler tail gas treatment device according to claim 1, characterized in that: and a liquid quality detection instrument (12) is arranged on a liquid outlet (9) of the absorption liquid pool (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678328.3U CN210786725U (en) | 2019-10-09 | 2019-10-09 | Boiler tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678328.3U CN210786725U (en) | 2019-10-09 | 2019-10-09 | Boiler tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210786725U true CN210786725U (en) | 2020-06-19 |
Family
ID=71236825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921678328.3U Active CN210786725U (en) | 2019-10-09 | 2019-10-09 | Boiler tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210786725U (en) |
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2019
- 2019-10-09 CN CN201921678328.3U patent/CN210786725U/en active Active
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