CN220478500U - Organic waste gas treatment system - Google Patents
Organic waste gas treatment system Download PDFInfo
- Publication number
- CN220478500U CN220478500U CN202321978075.8U CN202321978075U CN220478500U CN 220478500 U CN220478500 U CN 220478500U CN 202321978075 U CN202321978075 U CN 202321978075U CN 220478500 U CN220478500 U CN 220478500U
- Authority
- CN
- China
- Prior art keywords
- waste gas
- connecting pipe
- organic waste
- incinerator
- treatment system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007789 gas Substances 0.000 title claims abstract description 84
- 239000010815 organic waste Substances 0.000 title claims abstract description 57
- 238000010521 absorption reaction Methods 0.000 claims abstract description 49
- 239000002250 absorbent Substances 0.000 claims abstract description 23
- 230000002745 absorbent Effects 0.000 claims abstract description 23
- 239000002912 waste gas Substances 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000889 atomisation Methods 0.000 claims description 2
- IDYWQONQVXWFQP-UHFFFAOYSA-N butan-1-ol;octan-1-ol Chemical compound CCCCO.CCCCCCCCO IDYWQONQVXWFQP-UHFFFAOYSA-N 0.000 claims description 2
- -1 neopentyl glycol ester Chemical class 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000007084 catalytic combustion reaction Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- CZZVAVMGKRNEAT-UHFFFAOYSA-N 2,2-dimethylpropane-1,3-diol;3-hydroxy-2,2-dimethylpropanoic acid Chemical compound OCC(C)(C)CO.OCC(C)(C)C(O)=O CZZVAVMGKRNEAT-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 238000011278 co-treatment Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a treatment system of organic waste gas, which comprises an absorption tower and an incinerator which are sequentially arranged, wherein a first connecting pipe for conveying low-concentration organic waste gas into the absorption tower is connected to the absorption tower, a second connecting pipe for conveying high-concentration organic waste gas into the incinerator is connected to the incinerator, a third connecting pipe is connected between the absorption tower and the incinerator, and the third connecting pipe is used for conveying waste gas subjected to absorption treatment by an absorbent in the absorption tower to the incinerator. The treatment system can treat low-concentration organic waste gas and high-concentration organic waste gas simultaneously through the combination of the absorption tower and the incinerator, can achieve a good tail gas treatment effect, can treat the absorbent after absorbing the organic waste gas simultaneously, and has the advantages of less equipment investment, low investment and operation cost and lower overall cost of waste gas treatment compared with the existing treatment system.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a treatment system of organic waste gas.
Background
The industrialization level of China is increasingly improved, the development of national economy is promoted, but a large amount of volatile organic waste gas (VOCs) generated in industrial production needs to be treated in the chemical production process, such as an adsorption method, an absorption method, a separation method, a thermal combustion method, a catalytic combustion method and the like.
In chemical production, organic waste gas with different concentrations can be generated due to different production processes or production lines, such as low-concentration organic waste gas with low concentration and large air quantity and high-concentration organic waste gas with high concentration and low air quantity, and the traditional method is often to treat the organic waste gas with different concentrations separately.
The low-concentration organic waste gas is conventionally produced by adopting the technologies of absorption concentration, catalytic combustion, absorption, adsorption, absorption, thermal storage type thermal incinerator combustion and the like. However, the absorbent after absorbing the organic waste gas needs to be treated; at present, more Pd/Pt catalysts are used for catalytic combustion, and although VOCs can be completely removed at a certain temperature, the catalysts are high in price; the method of activated carbon adsorption has the problems that an adsorption bed is easy to penetrate, and the adsorbent is difficult to regenerate; the heat accumulating type thermal combustion process has the problem that the operation cost of the device is high because the concentration of organic waste gas is low, the operation temperature cannot be maintained, and the natural gas needs to be supplemented to maintain the heat required by thermal combustion.
Chinese patent CN114452773a discloses a synergistic treatment system for organic waste gas with different concentrations, which comprises a pretreatment device, a zeolite rotating wheel, a wind mixing box, a main fan, a desorption fan, a draught fan, a pre-heat exchanger, a catalytic combustion device and a control device, so that low-concentration organic waste gas enters the zeolite rotating wheel after being filtered by the pretreatment device, is concentrated by the zeolite rotating wheel, is introduced into the wind mixing box and is mixed with high-concentration organic waste gas, and only low-wind high-concentration organic waste gas enters the catalytic combustion device for combustion treatment. Although the low-concentration organic waste gas and the high-concentration organic waste gas can be cooperatively treated, the catalyst still needs to be adopted, more equipment is adopted, the investment and operation cost is high, and the total cost of waste gas treatment is higher.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the organic waste gas treatment system with less equipment investment and low treatment cost for the co-treatment of the low-concentration organic waste gas and the high-concentration organic waste gas.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the treatment system comprises an absorption tower and an incinerator which are sequentially arranged, wherein a first connecting pipe for conveying low-concentration organic waste gas into the absorption tower is connected to the absorption tower, a second connecting pipe for conveying high-concentration organic waste gas into the incinerator is connected to the incinerator, a third connecting pipe is connected between the absorption tower and the incinerator, and the third connecting pipe is used for conveying waste gas subjected to absorption treatment by an absorbent in the absorption tower to the incinerator;
the treatment system further comprises air supply means for supplying air to the incinerator.
In some embodiments, the treatment system further comprises a spray pipe arranged inside the absorption tower and a fourth connecting pipe connected with the spray pipe and used for conveying the absorbent, and the spray pipe is provided with a spray header.
The waste liquid generated in the production process of neopentyl glycol and butanol and octanol is mainly the heavy component of octanol or ester, and can be used as an absorbent.
In some embodiments, the absorbent is a heavy fraction produced by rectification during the production of neopentyl glycol ester or butanol-octanol, such as a waste stream containing hydroxypivalic acid neopentyl glycol monoester.
In some embodiments, a fifth connecting pipe for conveying the absorbent in the absorption tower to the incinerator is further connected between the absorption tower and the incinerator.
In some embodiments, an end of the fifth connecting tube extends into the incinerator, and an end of the fifth connecting tube is provided with an atomizer.
In some embodiments, a delivery pump is disposed on the fifth connection tube.
In some embodiments, the processing system further comprises a detector disposed on the third connecting tube for detecting the concentration of the organic matter in the gas.
In some embodiments, the treatment system further comprises an emergency exhaust treatment device and a discharge pipe connected to the emergency exhaust treatment device, wherein the emergency exhaust treatment device is connected to the third connection pipe through a sixth connection pipe.
In some embodiments, the air supply device includes an air tube connected to the third connection tube and a blower disposed on the air tube.
In some specific embodiments, an exhaust fan is further disposed on the third connecting pipe; and on the third connecting pipe, the detector, the joint of the sixth connecting pipe and the third connecting pipe, the tail gas fan and the joint of the air pipe and the third connecting pipe are distributed in sequence.
In some embodiments, the treatment system further comprises a heat exchanger coupled to the incinerator and an exhaust coupled to the heat exchanger, the exhaust comprising a stack coupled to the heat exchanger.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the treatment system can treat low-concentration organic waste gas and high-concentration organic waste gas simultaneously through the combination of the absorption tower and the incinerator, can achieve a good tail gas treatment effect, can treat the absorbent after absorbing the organic waste gas simultaneously, and has the advantages of less equipment investment, low investment and operation cost and lower overall cost of waste gas treatment compared with the existing treatment system.
Drawings
FIG. 1 is a schematic diagram of an organic waste gas treatment system according to an exemplary embodiment of the present utility model;
in the figure: 1. an absorption tower; 2. an incinerator; 3. a heat exchanger; 4. a chimney; 5. a detector; 6. an emergency tail gas treatment device; 7. a blower; 8. a tail gas fan; 9. a transfer pump;
1a, a first connecting tube; 1b, a second connecting pipe; 1c, a third connecting pipe; 1d, a fourth connecting pipe; 1e, a fifth connecting pipe; 1f, a sixth connecting pipe; 1g, discharge tube; 1h, an air pipe.
Detailed Description
The utility model is further described with reference to the drawings and specific examples in the specification:
the treatment system of the organic waste gas shown in fig. 1 comprises an absorption tower 1 and an incinerator 2 which are sequentially arranged, wherein the incinerator 2 is a direct-fired incinerator.
The absorption tower 1 is connected with a first connecting pipe 1a for conveying low-concentration organic waste gas into the absorption tower 1, the incinerator 2 is connected with a second connecting pipe 1b for conveying high-concentration organic waste gas into the incinerator 2, a third connecting pipe 1c is connected between the absorption tower 1 and the incinerator 2, and the third connecting pipe 1c is used for conveying waste gas after being absorbed by the absorbent in the absorption tower 1 to the incinerator 2.
The treatment system further comprises a spray pipe arranged in the absorption tower 1 and a fourth connecting pipe 1d which is connected with the spray pipe and used for conveying the absorbent, wherein the spray pipe is provided with a spray header, the spray header is positioned at the upper part of the absorption tower 1, and the first connecting pipe 1a is connected at the lower part of the absorption tower 1.
Specifically, the absorbent is waste liquid containing hydroxypivalic acid neopentyl glycol monoester.
A fifth connecting pipe 1e for conveying the absorbent in the absorption tower 1 to the incinerator 2 for incineration is also connected between the absorption tower 1 and the incinerator 2, the end part of the fifth connecting pipe 1e stretches into the incinerator 2 from the middle part of the incinerator 2, an atomizing nozzle is arranged at the end part of the fifth connecting pipe 1e, and a conveying pump 9 is also arranged on the fifth connecting pipe 1 e. The absorbent after absorbing and treating the low-concentration organic waste gas is conveyed by the conveying pump 9 and then atomized by the atomizing nozzle and burned in the incinerator 2, so that on one hand, the heat required by the combustion of the hearth of the incinerator 2 can be provided, and the normal operation of the incinerator 2 is maintained; on the other hand, the absorbent absorbing harmful components is treated, so that the investment of absorbent treatment equipment is reduced, and the investment is saved.
The treatment system further comprises a detector 5, an emergency tail gas treatment device 6 and a discharge pipe 1g, wherein the detector 5 is arranged on the third connecting pipe 1c and is used for detecting the organic concentration in the gas in the third connecting pipe 1c, the discharge pipe 1g is connected to the emergency tail gas treatment device 6, the emergency tail gas treatment device 6 is connected with the third connecting pipe 1c through a sixth connecting pipe 1f, and when the detector 5 detects that the organic concentration in the gas in the third connecting pipe 1c is less than 25 percent LEL, the waste gas after the absorption treatment is conveyed into the incinerator 2 for incineration treatment; when the organic concentration in the gas in the third connection pipe 1c is detected to be 25% lel or more by the detector 5, the exhaust gas after the absorption treatment is sent to the emergency exhaust gas treatment device 6 to be treated, and then discharged to the atmosphere through the discharge pipe 1 g.
The treatment system further comprises an air supply device for supplying air to the incinerator 2, a heat exchanger 3 connected with the incinerator 2 and an exhaust device connected with the heat exchanger 3, wherein the air supply device comprises an air pipe 1h connected with a third connecting pipe 1c and a blower 7 arranged on the air pipe 1 h; the exhaust means comprise a chimney 4 connected to the heat exchanger 3.
The third connecting pipe 1c is also provided with a tail gas fan 8; on the third connecting pipe 1c, the joint of the detector 5, the sixth connecting pipe 1f and the third connecting pipe 1c, the joint of the tail gas fan 8, the air pipe 1h and the third connecting pipe 1c are distributed in sequence.
The working flow of the organic waste gas treatment system arranged in the way is as follows:
the absorbent sprays downwards to the inside of the absorption tower 1 through the spray header, the low-concentration organic waste gas enters the absorption tower 1 from the lower part of the absorption tower 1, the low-concentration organic waste gas and the absorbent are in countercurrent contact in the absorption tower 1 so as to remove organic matters in the waste gas, the organic waste gas from the top of the absorption tower 1 is detected by the detector 5, and if the concentration value is less than 25 percent LEL, the organic waste gas is conveyed to the incinerator 2 through the tail gas fan 8; if the concentration value is detected to be 25% LEL or more, the treated gas is sent to the emergency exhaust gas treatment device 6 to be treated and then discharged to the atmosphere.
The high-concentration organic waste gas and air are directly combusted at high temperature in the incinerator 2, and the low-concentration organic waste gas absorbed by the absorption tower 1 is sent into the incinerator 2 through the tail gas fan 8, so that harmful components in the absorbed low-concentration organic waste gas are thoroughly incinerated and converted into micromolecular substances under the action of high temperature. And the absorbent after absorbing and treating the low-concentration organic waste gas is conveyed by a conveying pump 9 and then atomized by an atomization nozzle to burn in the incinerator 2.
Waste gas burnt by the incinerator 2 is subjected to heat exchange by the heat exchanger 3 to recover heat, and then is discharged at high altitude by the chimney 4.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A system for treating organic waste gas, characterized in that: the treatment system comprises an absorption tower and an incinerator which are sequentially arranged, wherein a first connecting pipe for conveying low-concentration organic waste gas into the absorption tower is connected to the absorption tower, a second connecting pipe for conveying high-concentration organic waste gas into the incinerator is connected to the incinerator, a third connecting pipe is connected between the absorption tower and the incinerator, and the third connecting pipe is used for conveying waste gas subjected to absorption treatment by an absorbent in the absorption tower to the incinerator;
the treatment system further comprises air supply means for supplying air to the incinerator.
2. The organic waste gas treatment system according to claim 1, wherein: the treatment system further comprises a spray pipe arranged in the absorption tower and a fourth connecting pipe connected with the spray pipe and used for conveying the absorbent, and the spray pipe is provided with a spray header.
3. The organic waste gas treatment system according to claim 2, wherein: the absorbent is heavy component generated by rectification in the production process of neopentyl glycol ester or butanol-octanol.
4. A treatment system for organic waste gas according to claim 3, wherein: and a fifth connecting pipe for conveying the absorbent in the absorption tower to the incinerator is also connected between the absorption tower and the incinerator.
5. The organic waste gas treatment system according to claim 4, wherein: the end part of the fifth connecting pipe extends into the incinerator, and an atomization nozzle is arranged at the end part of the fifth connecting pipe; and/or a conveying pump is arranged on the fifth connecting pipe.
6. The organic waste gas treatment system according to claim 1, wherein: the processing system further includes a detector disposed on the third connecting tube for detecting the concentration of the organic matter in the gas.
7. The organic waste gas treatment system according to claim 6, wherein: the treatment system further comprises an emergency tail gas treatment device and a discharge pipe connected to the emergency tail gas treatment device, and the emergency tail gas treatment device is connected with the third connecting pipe through a sixth connecting pipe.
8. The organic waste gas treatment system according to claim 7, wherein: the air supply device comprises an air pipe connected with the third connecting pipe and an air blower arranged on the air pipe.
9. The organic waste gas treatment system according to claim 8, wherein: the third connecting pipe is also provided with a tail gas fan; and on the third connecting pipe, the detector, the joint of the sixth connecting pipe and the third connecting pipe, the tail gas fan and the joint of the air pipe and the third connecting pipe are distributed in sequence.
10. The organic waste gas treatment system according to claim 1, wherein: the treatment system further comprises a heat exchanger connected with the incinerator and an exhaust device connected with the heat exchanger, wherein the exhaust device comprises a chimney connected with the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978075.8U CN220478500U (en) | 2023-07-26 | 2023-07-26 | Organic waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978075.8U CN220478500U (en) | 2023-07-26 | 2023-07-26 | Organic waste gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220478500U true CN220478500U (en) | 2024-02-13 |
Family
ID=89825644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321978075.8U Active CN220478500U (en) | 2023-07-26 | 2023-07-26 | Organic waste gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220478500U (en) |
-
2023
- 2023-07-26 CN CN202321978075.8U patent/CN220478500U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203437036U (en) | Sintering fume desulfurization and denitrification device | |
| CN106215563A (en) | Garbage-incineration smoke purifying processing system | |
| CN107983126A (en) | Incineration flue gas minimum discharge purifying treatment method and its processing system | |
| CN100558445C (en) | The purification method of organic exhaust gas | |
| CN102068890A (en) | Method and device for treating complex industrial organic waste gas | |
| CN102233238A (en) | System and method for controlling and reducing NOx emissions | |
| CN109945211B (en) | Burning treatment method and system for semi-coke pyrolysis waste gas and waste liquid | |
| CN110454802A (en) | The concentrate for reducing nitrous oxides concentration in furnace enters furnace and returns spray system and return spray method | |
| CN205164315U (en) | Paint spraying waste gas processing system | |
| CN214051077U (en) | Multi-pollutant cooperative advanced treatment system for hazardous waste incineration flue gas | |
| CN220478500U (en) | Organic waste gas treatment system | |
| CN109126431A (en) | The device and method of liquid phase adsorption formula oxidation-reduction method denitrating flue gas | |
| CN210206264U (en) | Treatment device for tar processing asphalt smoke | |
| CN112807962A (en) | Chemical waste gas treatment system | |
| CN106139840A (en) | Purifier and method containing low concentration VOC waste gas | |
| CN110841447A (en) | Wet-method-SCR combined purification method and system for waste incineration flue gas | |
| CN111495144A (en) | Synergistic efficient denitration device and process for treating electroplating sludge sintering waste gas | |
| CN218530349U (en) | Biomass boiler flue gas deep purification system | |
| CN111467928A (en) | Method and system for treating organic waste gas sprayed in automobile industry based on activated carbon adsorption concentration-catalytic combustion technology | |
| CN111359406A (en) | Organic waste gas treatment device and treatment method | |
| CN212492320U (en) | Organic waste gas's processing apparatus | |
| CN214287485U (en) | Calcium-carbon method flue gas desulfurization and denitrification device | |
| CN212166975U (en) | Processing system of wash oil regeneration residue flue gas | |
| CN211757580U (en) | Contaminated soil heat treatment device | |
| CN211694934U (en) | High-sulfur waste gas rich combustion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |