CN203329575U - Disposal system for organic solvent waste gas with low boiling point - Google Patents
Disposal system for organic solvent waste gas with low boiling point Download PDFInfo
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- CN203329575U CN203329575U CN2013204422357U CN201320442235U CN203329575U CN 203329575 U CN203329575 U CN 203329575U CN 2013204422357 U CN2013204422357 U CN 2013204422357U CN 201320442235 U CN201320442235 U CN 201320442235U CN 203329575 U CN203329575 U CN 203329575U
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- organic solvent
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- demister
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a disposal system for organic solvent waste gas with a low boiling point. The disposal system for the organic solvent waste gas with the low boiling point comprises a heat exchanger, a fan, two adsorption tanks, a purified gas exhaust port, a demister and an organic solvent recoverer, wherein the heat exchanger is connected with an air inlet of the fan, an air outlet of the fan is connected with a bottom waste gas inlet of the first adsorption tank, a waste gas outlet in the top of the first adsorption tank is connected with a bottom waste gas inlet of the second adsorption tank through the demister, and the purified gas exhaust port is formed in the top of the second adsorption tank. The lower portion of the first adsorption tank and the lower portion of the second adsorption tank are respectively provided with an organic solvent exhaust port, and the organic solvent exhaust ports are connected with the organic solvent recoverer. The two adsorption tanks are connected in series, the waste gas with the low boiling point is adsorbed twice, standard gas is exhausted, and recovered organic solvent can be recycled.
Description
Technical field
The utility model relates to the technical field that waste gas reclaims, and specifically utilizes adsorbent to containing lower boiling waste organic solvent gas treatment system.
Background technology
Lacquer spraying technique is widely used in the industries such as container, machine-building, electrical equipment, household electrical appliances, automobile, boats and ships, furniture.Lacquer spraying waste gas is mainly formed by volatile solvent, diluent molecule and nonvolatile coating cloud molecular mixing, also have iron to print the industry fields such as cylinder, packages printing, adhesive tape production, shoemaking production and all can produce a large amount of low-boiling organic solvents such as toluene, ethyl acetate, acetone, butanone that contain, if these solvents directly are discharged in atmosphere, will cause direct or indirect adverse effect to health and environmental sanitation.The improvement method of this waste gas has condensation method, absorption process, membrane separation process, absorption method etc., and at home, condensation method is due to the organic gas that is not suitable for processing low concentration, and needs low temperature and high pressure, and cost of equipment and operating cost are high; Absorption process is also due to the having relatively high expectations of absorbent and absorption equipment, and absorbent needs periodic replacement, and process is more complicated, and cost is higher, more difficult applying; Membrane separation process exists the rate of recovery not high, and discharge does not reach country+environmental protection standard requirement.What absorption method was with the most use is as adsorbent with active carbon, its surface area is high, for purifying the recovery organic solvent, it is a kind of best selection, the at present most producer of active carbon adsorption is all used water vapour to carry out desorption, as Patent number is 201110311140.7 to disclose a kind of patent of invention of paint spraying organic solvent waste gas recycling device, comprise the coating cloud removal device connected successively, blower fan, adsorption tanks, condenser and oil water separator, described coating cloud removal device comprises the air collector for temporary waste organic solvent gas, cyclone dust collectors and sack cleaner, described air collector, cyclone dust collectors and sack cleaner connect successively.
Above-mentioned patent and prior art are because the investment organic waste gas treatment device needs a large amount of funds, the organic waste gas treatment equipment operation also needs certain operating cost in addition, and the processing that therefore how effectively to utilize limited resource to carry out the waste gas organic solvent seems particularly important.
The utility model content
In order to overcome the defect of above-mentioned prior art, it is a kind of containing lower boiling waste organic solvent gas treatment system that the utility model provides, this treatment system can make greatly to reduce the content of organics in emission gases, can also make the organic matter in waste gas be recycled as resource simultaneously.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
Containing lower boiling waste organic solvent gas treatment system, comprise heat exchanger, blower fan, two adsorption tanks, Purge gas outlet, demister and organic solvent recovers, it is characterized in that: described heat exchanger is connected with the air inlet of blower fan, the air outlet of blower fan is connected with the bottom exhaust gas inlet of the first adsorption tanks, the waste gas outlet at the first adsorption tanks top is connected with the bottom exhaust gas inlet of the second adsorption tanks by demister, and the top of the second adsorption tanks is provided with Purge gas and has arranged mouth; The bottom of described the first adsorption tanks and the second adsorption tanks is equipped with the organic solvent outlet, and described organic solvent outlet all is connected with the organic solvent recover.
Described heat exchanger is cooling water heat exchanger or chilled water heat exchanger.
Described demister is the gravity demister.
The operation principle of above-mentioned treatment system is: containing low boiling water-insoluble organic solvent waste gas, through cooling water heat exchanger or chilled water heat exchanger, process, the waste gas after then heat exchanger being processed passes into the first adsorption tanks; Purified gas after absorption is discharged from the top of the first adsorption tanks, and, through gravity demister or mesh mist eliminator, then leads to the second adsorption tanks; The solution containing organic solvent of simultaneously discharging through the first adsorption tanks is from the organic solvent outlet of the first adsorption tanks bottom, and passes into the organic solvent recover; Waste gas through first class purification enters toward the second adsorption tanks and enters absorption or desorption by gravity demister or mesh mist eliminator, standard compliant Purge gas is provided with Purge gas and has arranged mouth and enter atmosphere from the top of the second adsorption tanks, the solution containing organic solvent of again discharging is from the organic solvent outlet of the second adsorption tanks bottom, and passes into the organic solvent recover.
The utlity model has following advantage:
1, in the utility model, heat exchanger is connected with the air inlet of blower fan, the air outlet of blower fan is connected with the bottom exhaust gas inlet of the first adsorption tanks, the waste gas outlet at the first adsorption tanks top is connected with the bottom exhaust gas inlet of the second adsorption tanks by demister, and the top of the second adsorption tanks is provided with Purge gas and has arranged mouth; The bottom of described the first adsorption tanks and the second adsorption tanks is equipped with the organic solvent outlet, described organic solvent outlet all is connected with the organic solvent recover, two adsorbing cylinders adopt series system, lower boiling waste gas is through twice absorption, discharge gas up to standard, and the recyclable recycling of organic solvent reclaimed.
2, in the utility model, heat exchanger is cooling water heat exchanger or chilled water heat exchanger, and waste organic solvent gas enters temperature before the first adsorption tanks and is down to 15 ℃ of left and right, thereby does high adsorption effect.
3, demister being set in the utility model is gravity demister or mesh mist eliminator, to absorb vaporific adsorbent or organic solvent in first class purification, makes it from the organic solvent outlet of the second adsorption tanks bottom, and passes into the organic solvent recover.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, mark 1 is heat exchanger, and 2 is blower fan, and 3-1 is that the first adsorption tanks, 3-2 are the second adsorption tanks, 4, the Purge gas outlet, and 5 is demister, and 6 is the organic solvent recover, and 7 is the organic solvent outlet.
The specific embodiment
Embodiment 1
As shown in Figure 1, containing lower boiling waste organic solvent gas treatment system, comprise heat exchanger 1, blower fan 2, two adsorption tanks 3-1,3-2, Purge gas outlet 4, demister 5 and organic solvent recover 6, their annexation is, described heat exchanger 1 is connected with the air inlet of blower fan 2, the air outlet of blower fan 2 is connected with the bottom exhaust gas inlet of the first adsorption tanks 3-1, the waste gas outlet at the first adsorption tanks 3-1 top is connected with the bottom exhaust gas inlet of the second adsorption tanks 3-2 by demister, and the top of the second adsorption tanks 3-2 is provided with Purge gas and has arranged mouth 4; The bottom of described the first adsorption tanks 3-1 and the second adsorption tanks 3-2 is equipped with organic solvent outlet 7, described organic solvent outlet 7 all is connected with organic solvent recover 6, two adsorbing cylinders adopt series system, lower boiling waste gas is through twice absorption, discharge gas up to standard, and the recyclable recycling of organic solvent reclaimed.
Above-mentioned heat exchanger 1 is cooling water heat exchanger or chilled water heat exchanger, and waste organic solvent gas enters temperature before the first adsorption tanks and is down to 15 ℃ of left and right, thereby does high adsorption effect.
Above-mentioned demister 5 is gravity demister or mesh mist eliminator, to absorb vaporific adsorbent or organic solvent in first class purification, makes it from the organic solvent outlet of the second adsorption tanks bottom, and passes into the organic solvent recover.
The operation principle of above-mentioned treatment system is: containing low boiling water-insoluble organic solvent waste gas, through cooling water heat exchanger or chilled water heat exchanger, process, the waste gas after then heat exchanger being processed passes into the first adsorption tanks; Purified gas after absorption is discharged from the top of the first adsorption tanks, and, through gravity demister or mesh mist eliminator, then leads to the second adsorption tanks; The solution containing organic solvent of simultaneously discharging through the first adsorption tanks is from the organic solvent outlet of the first adsorption tanks bottom, and passes into the organic solvent recover; Waste gas through first class purification enters toward the second adsorption tanks and enters absorption or desorption by gravity demister or mesh mist eliminator, standard compliant Purge gas is provided with Purge gas and has arranged mouth and enter atmosphere from the top of the second adsorption tanks, the solution containing organic solvent of again discharging is from the organic solvent outlet of the second adsorption tanks bottom, and passes into the organic solvent recover.
Claims (3)
1. containing lower boiling waste organic solvent gas treatment system, comprise heat exchanger, blower fan, two adsorption tanks, Purge gas outlet, demister and organic solvent recovers, it is characterized in that: described heat exchanger is connected with the air inlet of blower fan, the air outlet of blower fan is connected with the bottom exhaust gas inlet of the first adsorption tanks, the waste gas outlet at the first adsorption tanks top is connected with the bottom exhaust gas inlet of the second adsorption tanks by demister, and the top of the second adsorption tanks is provided with Purge gas and has arranged mouth; The bottom of described the first adsorption tanks and the second adsorption tanks is equipped with the organic solvent outlet, and described organic solvent outlet all is connected with the organic solvent recover.
2. according to claim 1 containing lower boiling waste organic solvent gas treatment system, it is characterized in that: described heat exchanger is cooling water heat exchanger or chilled water heat exchanger.
3. according to claim 1 containing lower boiling waste organic solvent gas treatment system, it is characterized in that: described demister is the gravity demister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204422357U CN203329575U (en) | 2013-07-24 | 2013-07-24 | Disposal system for organic solvent waste gas with low boiling point |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204422357U CN203329575U (en) | 2013-07-24 | 2013-07-24 | Disposal system for organic solvent waste gas with low boiling point |
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| CN203329575U true CN203329575U (en) | 2013-12-11 |
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| CN2013204422357U Expired - Fee Related CN203329575U (en) | 2013-07-24 | 2013-07-24 | Disposal system for organic solvent waste gas with low boiling point |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579320A (en) * | 2018-04-20 | 2018-09-28 | 盐城中创环保科技有限公司 | A kind of concentration-arrangement for catalytic purification, the system and method for low-concentration organic exhaust gas |
-
2013
- 2013-07-24 CN CN2013204422357U patent/CN203329575U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579320A (en) * | 2018-04-20 | 2018-09-28 | 盐城中创环保科技有限公司 | A kind of concentration-arrangement for catalytic purification, the system and method for low-concentration organic exhaust gas |
| CN108579320B (en) * | 2018-04-20 | 2021-02-26 | 盐城中创环保科技有限公司 | Concentration-catalytic purification device, system and method for low-concentration organic waste gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180118 Address after: 361006 Fujian city of Xiamen province China (Fujian) free trade zone five road Xiamen District No. 3 South 222 Gaoqi Aviation Business Plaza, No. 2 building eighth room 803 Patentee after: ZHONGKE TIANLONG (XIAMEN) ENVIRONMENTAL ENGINEERING Corp.,Ltd. Address before: 362300 Fujian city of Quanzhou province Nanan Kang Mei Zhen Futiecun Patentee before: QUANZHOU TIANLONG ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |