CN104984634A - Treating device for waste gas containing volatile organic matters - Google Patents
Treating device for waste gas containing volatile organic matters Download PDFInfo
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- CN104984634A CN104984634A CN201510415911.5A CN201510415911A CN104984634A CN 104984634 A CN104984634 A CN 104984634A CN 201510415911 A CN201510415911 A CN 201510415911A CN 104984634 A CN104984634 A CN 104984634A
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Abstract
The invention discloses a treating device for waste gas containing volatile organic matters. The treating device comprises a waste-gas absorbing tower, wherein the waste gas is connected with the lower part of the waste-gas absorbing tower by a pipeline; a purified-gas exhausting pipe is arranged at the top part of the waste-gas absorbing tower; an absorbent storage tank is connected with the upper part of the waste-gas absorbing tower by a pipeline; the bottom part of the waste-gas absorbing tower is connected with a centrifugal pump, a heat exchanger, a phase splitter and the upper part of a waste-gas desorbing tower in sequence by pipelines; the bottom part of the waste-gas desorbing tower is connected with a reboiler at the bottom part of the tower by a pipeline, and then is divided into two paths, one path is connected with the lower part of the waste-gas desorbing tower, and the other path is connected with a circulating pump, a heat exchanger and a cooler in sequence and then is connected with the upper part of the waste-gas absorbing tower; the top part of the waste-gas desorbing tower is connected with a condenser at the top part of the tower and a returned-liquid storage tank in sequence by pipelines and then is connected with a waste-liquid storage tank; and the upper part of the waste-gas desorbing tower is connected with the bottom part of the returned-liquid storage tank by a pipeline, and the top part of the waste-gas desorbing tower is provided with a non-condensable gas exhausting pipe. The treating device disclosed by the invention has the advantages that an absorbent can be recycled, the absorptivity is high, the operation cost is low and the environmental-friendly effect is achieved.
Description
Technical field
The present invention relates to the device of process containing the waste gas of volatile organic matter.
Background technology
When industry printing, printing and dyeing, often use and organic solvent discharging along with a large amount of, this causes personal injury and atmosphere pollution on the one hand, also result in the waste of organic solvent on the other hand, if this kind of GAS ABSORPTION do not removed, serious environmental pollution will be caused, increase production cost.
The industrial process to waste gas at present generally adopts adsorption treatment, and patent CN 203291683U discloses a kind of VOCs treatment device, although this device low cost of manufacture, needs to regularly replace adsorbent.Patent CN 203598674U discloses a kind of printing off-gas cleaning equipment, although this plant running cost is low, exhaust treatment efficiency is not high.Patent CN 104524929A discloses a kind of energy-efficient cleaning and recovering process containing volatile organic matter tail gas, although this technique absorption efficiency is high, that does not consider fixed gas removes problem, and desorber decompression operation, operating cost is high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of emission-control equipment containing volatile organic matter is provided.
Second object of the present invention proposes the emission-control equipment of the second containing volatile organic matter.
Technical scheme of the present invention is summarized as follows:
Containing an emission-control equipment for volatile organic matter, comprise waste gas absorption tower 21, the waste gas A2 containing volatile organic matter is connected with waste gas absorption tower 21 bottom by pipeline, and the top of waste gas absorption tower 21 is provided with purified gas discharge pipe; Absorbent basin B2 is connected by the top of pipeline with waste gas absorption tower 21; The bottom of waste gas absorption tower 21 is connected with the top of waste gas desorber 22 after being connected with centrifugal pump 26, heat exchanger 24, phase-splitter 30 successively by pipeline again; Point two-way after being connected with tower bottom reboiler 28 by pipeline bottom waste gas desorber 22, a road is connected with the bottom of waste gas desorber 22, is connected after another road is connected with circulating pump 27, heat exchanger 24, cooler 23 successively with the top of waste gas absorption tower 21; The top of waste gas desorber 22 is connected with overhead condenser 25, phegma storage tank 29 successively by pipeline and is connected with waste liquor storage tank C2 afterwards, the top of waste gas desorber 22 is connected by the bottom of pipeline with phegma storage tank 29, the top of phegma storage tank 29 is provided with fixed gas blast pipe, and phase-splitter 30 top is provided with fixed gas delivery pipe.
Waste gas containing volatile organic matter is printing industry waste gas or dyeing waste gas, or the waste gas containing volatile organic matter that other industry produces.
Containing an emission-control equipment for volatile organic matter, comprise waste gas absorption tower 31, the waste gas A3 containing volatile organic matter is connected with waste gas absorption tower 31 bottom by pipeline, and the top of waste gas absorption tower 31 is provided with purified gas discharge pipe; Absorbent basin B3 is connected by the top of pipeline with waste gas absorption tower 31; The bottom of waste gas absorption tower 31 is connected with the top of waste gas desorber 32 after being connected with centrifugal pump 36, heat exchanger 34, phase-splitter 40 successively by pipeline again; Point two-way after being connected with tower bottom reboiler 38 by pipeline bottom waste gas desorber 32, a road is connected with the bottom of waste gas desorber 32, is connected after another road is connected with circulating pump 37, heat exchanger 34, cooler 33 successively with the top of waste gas absorption tower 31; The top of waste gas desorber 32 is connected with overhead condenser 35, phegma storage tank 39 successively by pipeline and is connected with waste liquor storage tank C3 afterwards, the top of waste gas desorber 32 is connected by the bottom of pipeline with phegma storage tank 39, and the top of phegma storage tank 39 is connected with waste gas absorption tower 31 bottom by pipeline, phase-splitter 40 top is provided with fixed gas delivery pipe.
Waste gas containing volatile organic matter is printing industry waste gas or dyeing waste gas.Or the waste gas containing volatile organic matter that other industry produces.
Absorbent select boiling point be more than 150 DEG C, combine with one or more of the immiscible alcohol of water, ketone, ester, ether, aromatic compound and derivative thereof.The preferred ester type compound of absorbent and aromatic derivant, as: butyl butyrate, dimethyl glutarate, isoamyl isovalerate, diisodecyl adipate (DIDA), ethyl hexanoate, caproic acid cyclohexyl, dibutyl phthalate, dioctyl phthalate, M-phthalic acid dibutyl ester, M-phthalic acid dibutyl ester, terephthalic acid (TPA) dibutyl ester, dibutyl terephthalate.
Advantage of the present invention:
Device of the present invention utilizes absorbent fully to absorb containing the organic solvent in the waste gas of volatile organic matter, and absorbent recycles, and absorptivity is high, and consider the emptying problem of fixed gas, operating cost is low simultaneously, and operation maintenance is convenient, greenism.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the exhaust gas absorption device containing volatile organic matter.
Fig. 2 is the schematic diagram of the another kind of exhaust gas absorption device containing volatile organic matter.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.Following explanation is only understand the present invention better to enable those skilled in the art to, but does not impose any restrictions the present invention.
Containing an emission-control equipment for volatile organic matter, comprise waste gas absorption tower 21, the waste gas A2 containing volatile organic matter is connected with waste gas absorption tower 21 bottom by pipeline, and the top of waste gas absorption tower 21 is provided with purified gas discharge pipe; Absorbent basin B2 is connected by the top of pipeline with waste gas absorption tower 21; The bottom of waste gas absorption tower 21 is connected with the top of waste gas desorber 22 after being connected with centrifugal pump 26, heat exchanger 24, phase-splitter 30 successively by pipeline again; Point two-way after being connected with tower bottom reboiler 28 by pipeline bottom waste gas desorber 22, a road is connected with the bottom of waste gas desorber 22, is connected after another road is connected with circulating pump 27, heat exchanger 24, cooler 23 successively with the top of waste gas absorption tower 21; The top of waste gas desorber 22 is connected with overhead condenser 25, phegma storage tank 29 successively by pipeline and is connected with waste liquor storage tank C2 afterwards, the top of waste gas desorber 22 is connected by the bottom of pipeline with phegma storage tank 29, the top of phegma storage tank 29 is provided with fixed gas blast pipe, and phase-splitter 30 top is provided with fixed gas delivery pipe.
Waste gas containing volatile organic matter is printing industry waste gas or dyeing waste gas, or the waste gas containing volatile organic matter that other industry produces.
The another kind of emission-control equipment containing volatile organic matter, comprise waste gas absorption tower 31, the waste gas A3 containing volatile organic matter is connected with waste gas absorption tower 31 bottom by pipeline, and the top of waste gas absorption tower 31 is provided with purified gas discharge pipe; Absorbent basin B3 is connected by the top of pipeline with waste gas absorption tower 31; The bottom of waste gas absorption tower 31 is connected with the top of waste gas desorber 32 after being connected with centrifugal pump 36, heat exchanger 34, phase-splitter 40 successively by pipeline again; Point two-way after being connected with tower bottom reboiler 38 by pipeline bottom waste gas desorber 32, a road is connected with the bottom of waste gas desorber 32, is connected after another road is connected with circulating pump 37, heat exchanger 34, cooler 33 successively with the top of waste gas absorption tower 31; The top of waste gas desorber 32 is connected with overhead condenser 35, phegma storage tank 39 successively by pipeline and is connected with waste liquor storage tank C3 afterwards, the top of waste gas desorber 32 is connected by the bottom of pipeline with phegma storage tank 39, and the top of phegma storage tank 39 is connected with waste gas absorption tower 31 bottom by pipeline, phase-splitter 40 top is provided with fixed gas delivery pipe.
Waste gas containing volatile organic matter is printing industry waste gas or dyeing waste gas, also can be the waste gas containing volatile organic matter of other industry.
Claims (4)
1. the emission-control equipment containing volatile organic matter, comprise waste gas absorption tower (21), waste gas (A2) containing volatile organic matter is connected with waste gas absorption tower (21) bottom by pipeline, and the top of waste gas absorption tower (21) is provided with purified gas discharge pipe; Absorbent basin (B2) is connected by the top of pipeline with waste gas absorption tower (21); The bottom of waste gas absorption tower (21) is connected with the top of waste gas desorber (22) after being connected with centrifugal pump (26), heat exchanger (24), phase-splitter (30) successively by pipeline again; Point two-way after waste gas desorber (22) bottom is connected with tower bottom reboiler (28) by pipeline, one tunnel is connected with the bottom of waste gas desorber (22), is connected after another road is connected with circulating pump (27), heat exchanger (24), cooler (23) successively with the top of waste gas absorption tower (21); The top of waste gas desorber (22) is passed through to be connected with waste liquor storage tank (C2) after pipeline is connected with overhead condenser (25), phegma storage tank (29) successively, the top of waste gas desorber (22) is connected by the bottom of pipeline with phegma storage tank (29), the top of phegma storage tank (29) is provided with fixed gas blast pipe, and phase-splitter (30) top is provided with fixed gas delivery pipe.
2. a kind of emission-control equipment containing volatile organic matter according to claim 1, is characterized in that the described waste gas containing volatile organic matter is printing industry waste gas or dyeing waste gas.
3. the emission-control equipment containing volatile organic matter, comprise waste gas absorption tower (31), waste gas (A3) containing volatile organic matter is connected with waste gas absorption tower (31) bottom by pipeline, and the top of waste gas absorption tower (31) is provided with purified gas discharge pipe; Absorbent basin (B3) is connected by the top of pipeline with waste gas absorption tower (31); The bottom of waste gas absorption tower (31) is connected with the top of waste gas desorber (32) after being connected with centrifugal pump (36), heat exchanger (34), phase-splitter (40) successively by pipeline again; Point two-way after waste gas desorber (32) bottom is connected with tower bottom reboiler (38) by pipeline, one tunnel is connected with the bottom of waste gas desorber (32), is connected after another road is connected with circulating pump (37), heat exchanger (34), cooler (33) successively with the top of waste gas absorption tower (31); The top of waste gas desorber (32) by pipeline is connected with overhead condenser (35), phegma storage tank (39) successively afterwards with waste liquor storage tank C3) be connected, the top of waste gas desorber (32) is connected by the bottom of pipeline with phegma storage tank (39), and the top of phegma storage tank (39) is connected with waste gas absorption tower (31) bottom by pipeline, phase-splitter (40) top is provided with fixed gas delivery pipe.
4. a kind of emission-control equipment containing volatile organic matter according to claim 3, is characterized in that the described waste gas containing volatile organic matter is printing industry waste gas or dyeing waste gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415911.5A CN104984634A (en) | 2015-07-15 | 2015-07-15 | Treating device for waste gas containing volatile organic matters |
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| CN201510415911.5A CN104984634A (en) | 2015-07-15 | 2015-07-15 | Treating device for waste gas containing volatile organic matters |
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| CN104984634A true CN104984634A (en) | 2015-10-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344206A (en) * | 2015-11-11 | 2016-02-24 | 天津天清环保科技股份有限公司 | Method and device for processing VOCs in industrial waste gas |
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| EP0588175A2 (en) * | 1992-09-16 | 1994-03-23 | The Kansai Electric Power Co., Inc. | Process for removing carbon dioxide from combustion gases |
| US6605138B2 (en) * | 1999-04-21 | 2003-08-12 | Matthew T. Frondorf | Apparatus and method for exclusively removing VOC from regeneratable solvent in a gas sweetening system |
| CN101343208A (en) * | 2008-08-22 | 2009-01-14 | 山东聊城中盛蓝瑞化工有限公司 | Desorption technique for methylbenzene in tail gas from benzyl chloride preparation |
| CN102698566A (en) * | 2012-06-07 | 2012-10-03 | 中国华能集团清洁能源技术研究院有限公司 | High and medium pressure regeneration system for flue gas decarbonization |
| CN104437004A (en) * | 2014-11-25 | 2015-03-25 | 赛鼎工程有限公司 | Method suitable for controlling concentration of hydrogen sulfide tail gas in low-temperature methanol washing process |
| CN204952599U (en) * | 2015-07-15 | 2016-01-13 | 天津大学 | Exhaust treatment device who contains volatile organic compounds |
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2015
- 2015-07-15 CN CN201510415911.5A patent/CN104984634A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0588175A2 (en) * | 1992-09-16 | 1994-03-23 | The Kansai Electric Power Co., Inc. | Process for removing carbon dioxide from combustion gases |
| US6605138B2 (en) * | 1999-04-21 | 2003-08-12 | Matthew T. Frondorf | Apparatus and method for exclusively removing VOC from regeneratable solvent in a gas sweetening system |
| CN101343208A (en) * | 2008-08-22 | 2009-01-14 | 山东聊城中盛蓝瑞化工有限公司 | Desorption technique for methylbenzene in tail gas from benzyl chloride preparation |
| CN102698566A (en) * | 2012-06-07 | 2012-10-03 | 中国华能集团清洁能源技术研究院有限公司 | High and medium pressure regeneration system for flue gas decarbonization |
| CN104437004A (en) * | 2014-11-25 | 2015-03-25 | 赛鼎工程有限公司 | Method suitable for controlling concentration of hydrogen sulfide tail gas in low-temperature methanol washing process |
| CN204952599U (en) * | 2015-07-15 | 2016-01-13 | 天津大学 | Exhaust treatment device who contains volatile organic compounds |
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| 娄诚玉: "《乙丙橡胶的合成与加工工艺》", 31 August 1982, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105344206A (en) * | 2015-11-11 | 2016-02-24 | 天津天清环保科技股份有限公司 | Method and device for processing VOCs in industrial waste gas |
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Application publication date: 20151021 |
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