CN204933192U - A kind of organic exhaust gas adsorption integral system - Google Patents
A kind of organic exhaust gas adsorption integral system Download PDFInfo
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- CN204933192U CN204933192U CN201520626292.XU CN201520626292U CN204933192U CN 204933192 U CN204933192 U CN 204933192U CN 201520626292 U CN201520626292 U CN 201520626292U CN 204933192 U CN204933192 U CN 204933192U
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Abstract
The utility model relates to a kind of organic exhaust gas adsorption integral system.Comprise eddy flow tower, dry filter, absorbed portion, catalytic combustion part, mixed flow heat exchanger and connecting line, absorbed portion comprises at least two absorbers in parallel and absorption blower fan, described catalytic combustion portion divides and comprises catalytic combustion system and desorption blower fan, mixed flow heat exchanger is between catalytic combustion system and absorbed portion, desorption pipeline between mixed flow heat exchanger and the desorption output of absorber is connected nitrogen-making device by nitrogen feeding pipe road, intake valve on connecting line, air outlet valve, hot reflux valve, desorption valve is connected with PLC respectively with the control end of defeated nitrogen control valve.The utility model structure is simple, by adopting PLC to carry out closed-loop control to each valve, reduces the labour intensity of workman; By setting up mixed flow heat exchanger, making the temperature stabilization in desorption process, when absorber temperature is too high, stopping desorption, nitrogen-making device is sent into nitrogen and is reduced temperature, guarantees safe desorption.
Description
Technical field
The utility model relates to a kind of organic exhaust gas adsorption device, particularly relates to a kind of organic exhaust gas adsorption integral system, belongs to off-gas cleaning equipment.
Background technology
Exhaust-gas treatment refers to that the organic exhaust gas produced in industrial processes carries out the work for the treatment of of adsorbing, filtering, purifying.Usual VOCs treatment has the organic purification of air process such as carbon containing hydrogen-oxygen such as the benzene homologues such as formaldehyde VOCs treatment, benzene toluene dimethylbenzene VOCs treatment, acetone butanone VOCs treatment, ethyl acetate exhaust-gas treatment, mist of oil VOCs treatment, furfural VOCs treatment, styrene, acrylic acid VOCs treatment, resin VOCs treatment, additive VOCs treatment, coating cloud VOCs treatment, Tianna solution VOCs treatment.
The purifying rate of conventional Production by Catalytic Combustion Process, up to 95%, is suitable for processing high concentration, little air quantity organic exhaust gas, but will consumes a large amount of energy to improve EGT; The purifying rate of absorption method is up to more than 95%, if without regenerating unit, then operating cost is too high, if use Steam Recovery, then technological process process, operating cost is high, and active carbon adsorption capacity after adsorption/desorption repeatedly can reduce gradually, general use 2-3 after must change.Therefore, absorption method being combined with Production by Catalytic Combustion Process is comparatively complementary mode, but integrated structure of the prior art is comparatively complicated, and can not well recycle on heat energy, the upper operation of equipment needs manually to operate, waste of manpower resource, in desorption process, temperature fluctuation is larger, stable not, the control appliance of the high temperature that desorption produces correspondence useless, desorption is inflammable.
Utility model content
For above-mentioned defect, it is simple that the purpose of this utility model is to provide a kind of structure, reduces labor strength, temperature stabilization in desorption process, a kind of organic exhaust gas adsorption integral system that security is higher.
The technical scheme that the utility model adopts for this reason is:
Comprise eddy flow tower, dry filter, absorbed portion, catalytic combustion part, mixed flow heat exchanger and connecting line, described absorbed portion comprises at least two absorbers in parallel and absorption blower fan, described catalytic combustion portion divides and comprises catalytic combustion system and desorption blower fan, described mixed flow heat exchanger is between catalytic combustion system and absorbed portion, mixed flow heat exchanger one end is connected with desorption blower fan, the other end is connected with the desorption output of absorber, catalytic combustion system one end is connected with the desorption input of absorber, the other end is connected with desorption blower fan, desorption pipeline between mixed flow heat exchanger and the desorption output of absorber is connected nitrogen-making device by nitrogen feeding pipe road, the gas inlet pipeline of absorber and pure qi (oxygen) output pipe are respectively equipped with intake valve and air outlet valve, return line between the desorption input of catalytic combustion system and absorber is provided with hot reflux valve, desorption pipeline between the desorption output of mixed flow heat exchanger and absorber is provided with desorption valve, temperature-detecting device is provided with in described absorber, described nitrogen feeding pipe road is provided with defeated nitrogen control valve, described intake valve, air outlet valve, hot reflux valve, desorption valve, temperature-detecting device is connected with PLC respectively with the control end of defeated nitrogen control valve.
Further, the return line between the desorption input of described catalytic combustion system and absorber is provided with mends cold structure.
Further, described mixed flow heat exchanger connects a flow-mixing blower fan.
Further, described absorber is active carbon case.
Further, described catalytic combustion system is provided with volume damper.
The utility model has the advantages that:
The utility model structure is simple, by adopting PLC to carry out closed-loop control to each valve, without the need to artificial interference in whole service process, reduces the labour intensity of workman; By setting up mixed flow heat exchanger, making the temperature stabilization in desorption process, by setting up nitrogen-making device, when absorber temperature is too high, stopping desorption, nitrogen-making device is sent into nitrogen and is reduced temperature, guarantees safe desorption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1 be eddy flow tower, 2 are dry filters, 3 are mixed flow heat exchangers, 4 are absorbers, 5 are absorption blower fans, 6 are catalytic combustion systems, 7 are desorption blower fans, 8 are desorption pipelines, 9 are nitrogen feeding pipe roads, 10 are nitrogen-making devices, 11 are intake valves, 12 are air outlet valves, 13 are return lines, 14 are hot reflux valves, 15 are desorption valves, 16 to be defeated nitrogen control valves, 17 be that to mend cold structure, 18 are flow-mixing blower fans.
Detailed description of the invention
A kind of organic exhaust gas adsorption integral system, comprise eddy flow tower 1, dry filter 2, absorbed portion, catalytic combustion part, mixed flow heat exchanger 3 and connecting line, described absorbed portion comprises at least two absorbers 4 in parallel and absorption blower fan 5, described catalytic combustion portion divides and comprises catalytic combustion system 6 and desorption blower fan 7, described mixed flow heat exchanger 3 is between catalytic combustion system 6 and absorbed portion, mixed flow heat exchanger 3 one end is connected with desorption blower fan 7, the other end is connected with the desorption output of absorber 4, catalytic combustion system 6 one end is connected with the desorption input of absorber 4, the other end is connected with desorption blower fan 7, desorption pipeline 8 between mixed flow heat exchanger 3 and the desorption output of absorber 4 is connected nitrogen-making device 10 by nitrogen feeding pipe road 9, the gas inlet pipeline of absorber 4 and pure qi (oxygen) output pipe are respectively equipped with intake valve 11 and air outlet valve 12, return line 13 between the desorption input of catalytic combustion system 6 and absorber 4 is provided with hot reflux valve 14, desorption pipeline 8 between the desorption output of mixed flow heat exchanger 3 and absorber 4 is provided with desorption valve 15, temperature-detecting device is provided with in described absorber 4, described nitrogen feeding pipe road 9 is provided with defeated nitrogen control valve 16, described intake valve 11, air outlet valve 12, hot reflux valve 14, desorption valve 15, temperature-detecting device is connected with PLC respectively with the control end of defeated nitrogen control valve 16, further, return line 13 between described catalytic combustion system 6 and the desorption input of absorber 4 is provided with mends cold structure 17, further, described mixed flow heat exchanger 3 connects a flow-mixing blower fan 18, further, described absorber 4 is active carbon case, further, described catalytic combustion system 6 is provided with volume damper.
Containing the effect of organic waste gas through blower fan, through activated carbon adsorption layer, by the distinctive active force absorption of active carbon therein, clean gas is discharged organic substance; After a period of time, active carbon reach capacity state time stop absorption, now organic matter has been concentrated in active carbon.
Now by after each valve transfer, start catalytic combustion system, hot-air is sent into activated carbon adsorption bed by catalytic combustion system continuously, when hot gas source reaches organic boiling point, organic matter evaporates in active carbon, enter catalyst chamber by piping loop and carry out catalytic decomposition Cheng Shui and carbon dioxide, give off energy simultaneously.Recycle the energy discharged and enter adsorbent bed desorption again.Circulation is carried out active carbon and is obtained regeneration, and organic matter obtains resolution process, and non-secondary pollution produces.
Claims (5)
1. an organic exhaust gas adsorption integral system, it is characterized in that, comprise eddy flow tower, dry filter, absorbed portion, catalytic combustion part, mixed flow heat exchanger and connecting line, described absorbed portion comprises at least two absorbers in parallel and absorption blower fan, described catalytic combustion portion divides and comprises catalytic combustion system and desorption blower fan, described mixed flow heat exchanger is between catalytic combustion system and absorbed portion, mixed flow heat exchanger one end is connected with desorption blower fan, the other end is connected with the desorption output of absorber, catalytic combustion system one end is connected with the desorption input of absorber, the other end is connected with desorption blower fan, desorption pipeline between mixed flow heat exchanger and the desorption output of absorber is connected nitrogen-making device by nitrogen feeding pipe road, the gas inlet pipeline of absorber and pure qi (oxygen) output pipe are respectively equipped with intake valve and air outlet valve, return line between the desorption input of catalytic combustion system and absorber is provided with hot reflux valve, desorption pipeline between the desorption output of mixed flow heat exchanger and absorber is provided with desorption valve, temperature-detecting device is provided with in described absorber, described nitrogen feeding pipe road is provided with defeated nitrogen control valve, described intake valve, air outlet valve, hot reflux valve, desorption valve, temperature-detecting device is connected with PLC respectively with the control end of defeated nitrogen control valve.
2. a kind of organic exhaust gas adsorption integral system according to claim 1, is characterized in that, the return line between the desorption input of described catalytic combustion system and absorber is provided with mends cold structure.
3. a kind of organic exhaust gas adsorption integral system according to claim 1, is characterized in that, described mixed flow heat exchanger connects a flow-mixing blower fan.
4. a kind of organic exhaust gas adsorption integral system according to claim 1, is characterized in that, described absorber is active carbon case.
5. a kind of organic exhaust gas adsorption integral system according to claim 1, it is characterized in that, described catalytic combustion system is provided with volume damper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520626292.XU CN204933192U (en) | 2015-08-19 | 2015-08-19 | A kind of organic exhaust gas adsorption integral system |
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| CN201520626292.XU CN204933192U (en) | 2015-08-19 | 2015-08-19 | A kind of organic exhaust gas adsorption integral system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076062A (en) * | 2016-07-30 | 2016-11-09 | 重庆中标环保集团有限公司 | Lacquer spraying waste gas processing system |
| CN109045994A (en) * | 2018-09-28 | 2018-12-21 | 国电环境保护研究院有限公司 | A kind of activated coke flue gas purification device and cool-down method |
| CN109091958A (en) * | 2017-06-20 | 2018-12-28 | 北京中远恒达涂装设备有限公司 | VOC integrated equipment for wastewater treatment |
| CN111467928A (en) * | 2020-04-17 | 2020-07-31 | 重庆三峡环保（集团）有限公司 | Method and system for treating organic waste gas sprayed in automobile industry based on activated carbon adsorption concentration-catalytic combustion technology |
| CN114558421A (en) * | 2022-03-21 | 2022-05-31 | 孔德松 | Organic waste gas adsorbs catalysis governing system and device |
-
2015
- 2015-08-19 CN CN201520626292.XU patent/CN204933192U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076062A (en) * | 2016-07-30 | 2016-11-09 | 重庆中标环保集团有限公司 | Lacquer spraying waste gas processing system |
| CN109091958A (en) * | 2017-06-20 | 2018-12-28 | 北京中远恒达涂装设备有限公司 | VOC integrated equipment for wastewater treatment |
| CN109045994A (en) * | 2018-09-28 | 2018-12-21 | 国电环境保护研究院有限公司 | A kind of activated coke flue gas purification device and cool-down method |
| CN111467928A (en) * | 2020-04-17 | 2020-07-31 | 重庆三峡环保（集团）有限公司 | Method and system for treating organic waste gas sprayed in automobile industry based on activated carbon adsorption concentration-catalytic combustion technology |
| CN114558421A (en) * | 2022-03-21 | 2022-05-31 | 孔德松 | Organic waste gas adsorbs catalysis governing system and device |
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