CN104984635A - Exhaust treatment device containing volatile organic compound - Google Patents
Exhaust treatment device containing volatile organic compound Download PDFInfo
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- CN104984635A CN104984635A CN201510416858.0A CN201510416858A CN104984635A CN 104984635 A CN104984635 A CN 104984635A CN 201510416858 A CN201510416858 A CN 201510416858A CN 104984635 A CN104984635 A CN 104984635A
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- exhaust gas
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- 239000012855 volatile organic compound Substances 0.000 title abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 72
- 239000002912 waste gas Substances 0.000 claims abstract description 72
- 238000010521 absorption reaction Methods 0.000 claims abstract description 50
- 239000002250 absorbent Substances 0.000 claims abstract description 17
- 230000002745 absorbent Effects 0.000 claims abstract description 17
- 239000005416 organic matter Substances 0.000 claims abstract 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000004043 dyeing Methods 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 239000008346 aqueous phase Substances 0.000 claims 2
- 238000003795 desorption Methods 0.000 abstract description 26
- 239000007788 liquid Substances 0.000 abstract description 19
- 238000010992 reflux Methods 0.000 abstract description 13
- 239000003960 organic solvent Substances 0.000 abstract description 5
- 238000009835 boiling Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- UBLAMKHIFZBBSS-UHFFFAOYSA-N 3-Methylbutyl pentanoate Chemical compound CCCCC(=O)OCCC(C)C UBLAMKHIFZBBSS-UHFFFAOYSA-N 0.000 description 2
- XUPYJHCZDLZNFP-UHFFFAOYSA-N butyl butanoate Chemical compound CCCCOC(=O)CCC XUPYJHCZDLZNFP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- SHZIWNPUGXLXDT-UHFFFAOYSA-N ethyl hexanoate Chemical compound CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 description 2
- ALKCLFLTXBBMMP-UHFFFAOYSA-N 3,7-dimethylocta-1,6-dien-3-yl hexanoate Chemical compound CCCCCC(=O)OC(C)(C=C)CCC=C(C)C ALKCLFLTXBBMMP-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- LQLQDKBJAIILIQ-UHFFFAOYSA-N Dibutyl terephthalate Chemical compound CCCCOC(=O)C1=CC=C(C(=O)OCCCC)C=C1 LQLQDKBJAIILIQ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- DTNOERNOMHQUCN-UHFFFAOYSA-N cyclohexyl hexanoate Chemical compound CCCCCC(=O)OC1CCCCC1 DTNOERNOMHQUCN-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- GOPWOUQJIMLDDM-UHFFFAOYSA-N dibutyl benzene-1,3-dicarboxylate Chemical compound CCCCOC(=O)C1=CC=CC(C(=O)OCCCC)=C1 GOPWOUQJIMLDDM-UHFFFAOYSA-N 0.000 description 1
- XTDYIOOONNVFMA-UHFFFAOYSA-N dimethyl pentanedioate Chemical compound COC(=O)CCCC(=O)OC XTDYIOOONNVFMA-UHFFFAOYSA-N 0.000 description 1
- LERGDXJITDVDBZ-UHFFFAOYSA-N dioctyl benzene-1,3-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=CC(C(=O)OCCCCCCCC)=C1 LERGDXJITDVDBZ-UHFFFAOYSA-N 0.000 description 1
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- -1 ester compounds Chemical class 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
本发明公开了一种含挥发性有机物的废气处理装置，包括废气吸收塔、废气解吸塔、冷却器、换热器、塔顶冷凝器、离心泵、循环泵、分相器、回流液储罐；废气由废气吸收塔下部，净化气由废气吸收塔塔顶排出；来自废气吸收塔底部的管道经离心泵、换热器、分相器后与废气解吸塔上部连接；来自废气解吸塔底部的管道依次与循环泵、换热器、冷却器、分相器连接后与废气吸收塔的上部连接；吸收剂采用沸点高于150℃以上的与水不互溶的溶剂，吸收废气后的吸收液在解吸塔内解吸后可循环使用。本发明的装置利用吸收剂可充分吸收含挥发性有机物的废气中的有机溶剂，吸收剂循环使用，吸收率高，操作费用低，运行维护方便，绿色保护。
The invention discloses a waste gas treatment device containing volatile organic compounds, which comprises a waste gas absorption tower, a waste gas desorption tower, a cooler, a heat exchanger, a condenser at the top of the tower, a centrifugal pump, a circulation pump, a phase separator, and a reflux liquid storage tank ; The exhaust gas is discharged from the lower part of the exhaust gas absorption tower, and the purified gas is discharged from the top of the exhaust gas absorption tower; the pipeline from the bottom of the exhaust gas absorption tower is connected to the upper part of the exhaust gas desorption tower after passing through a centrifugal pump, heat exchanger, and phase separator; The pipeline is connected to the circulation pump, heat exchanger, cooler, and phase separator in turn, and then connected to the upper part of the exhaust gas absorption tower; the absorbent uses a water-immiscible solvent with a boiling point higher than 150°C, and the absorption liquid after absorbing the exhaust gas is in the It can be recycled after being desorbed in the desorption tower. The device of the invention can fully absorb the organic solvent in the waste gas containing volatile organic matter by using the absorbent, the absorbent can be recycled, the absorption rate is high, the operation cost is low, the operation and maintenance are convenient, and the environment protection is green.
Description
技术领域technical field
本发明涉及一种处理含挥发性有机物的废气的装置。The invention relates to a device for treating waste gas containing volatile organic compounds.
背景技术Background technique
工业印刷、印染时，往往伴随着大量使用并排放有机溶剂，这一方面造成人身伤害和大气污染，另一方面也造成了有机溶剂的浪费，如果不将这类气体吸收除去，将会造成严重的环境污染，增加生产成本。Industrial printing and dyeing are often accompanied by a large amount of use and discharge of organic solvents. On the one hand, it causes personal injury and air pollution, and on the other hand, it also causes waste of organic solvents. If such gases are not absorbed and removed, it will cause serious pollution. environmental pollution and increase production costs.
目前工业上对废气的处理普遍采用吸附处理，专利CN 203291683U公开了一种有机废气治理装置，虽然该装置制造成本低，但需要定期更换吸附剂。专利CN 203598674U公开了一种印刷废气净化设备，虽然该装置运行成本低，但废气处理效率不高。At present, adsorption treatment is generally used in the industry to treat waste gas. Patent CN 203291683U discloses an organic waste gas treatment device. Although the device has low manufacturing cost, it needs to replace the adsorbent regularly. Patent CN 203598674U discloses a printing waste gas purification device. Although the device has low operating cost, the waste gas treatment efficiency is not high.
发明内容Contents of the invention
本发明的目的是克服现有技术的不足，提供一种含挥发性有机物的废气处理装置。The purpose of the present invention is to overcome the deficiencies of the prior art and provide a waste gas treatment device containing volatile organic compounds.
本发明的第二个目的是提出第二种含挥发性有机物的废气处理装置。The second object of the present invention is to propose a second waste gas treatment device containing volatile organic compounds.
本发明的技术方案概述如下：Technical scheme of the present invention is summarized as follows:
一种含挥发性有机物的废气处理装置，包括废气吸收塔1，含挥发性有机物的废气A通过管道与废气吸收塔1下部连接,废气吸收塔1的顶部设置有净化气排出管；吸收剂贮罐B通过管道与废气吸收塔1的上部连接；废气吸收塔1的底部通过管道依次与离心泵6、换热器4、第一分相器10连接后再与废气解吸塔2的上部连接；废气解吸塔2底部通过管道依次与循环泵7、换热器4、冷却器3、第二分相器8连接后与废气吸收塔1的上部连接；废气解吸塔2的下部通过管道与饱和蒸汽生产设备D连接；第二分相器8的底部通过管道与水相贮罐E连接；废气解吸塔2的顶部通过管道依次与塔顶冷凝器5、回流液储罐9连接后与废液贮罐C连接，废气解吸塔2的上部通过管道与回流液储罐9的底部连接，回流液储罐9的顶部设置有不凝气排气管，第一分相器10顶部设有不凝气排放管。An exhaust gas treatment device containing volatile organic compounds, comprising an exhaust gas absorption tower 1, the exhaust gas A containing volatile organic compounds is connected to the lower part of the exhaust gas absorption tower 1 through pipes, and the top of the exhaust gas absorption tower 1 is provided with a purified gas discharge pipe; the absorbent storage Tank B is connected to the upper part of exhaust gas absorption tower 1 through pipelines; the bottom of exhaust gas absorption tower 1 is connected to centrifugal pump 6, heat exchanger 4 and first phase separator 10 through pipelines in turn, and then connected to the upper part of exhaust gas desorption tower 2; The bottom of the exhaust gas desorption tower 2 is connected to the circulating pump 7, heat exchanger 4, cooler 3, and second phase separator 8 through pipelines in turn, and then connected to the upper part of the exhaust gas absorption tower 1; the lower part of the exhaust gas desorption tower 2 is connected to the saturated steam through pipelines. The production equipment D is connected; the bottom of the second phase separator 8 is connected with the water phase storage tank E through a pipeline; the top of the waste gas desorption tower 2 is connected with the top condenser 5 and the reflux liquid storage tank 9 through pipelines, and then connected with the waste liquid storage tank Tank C is connected, the upper part of the waste gas desorption tower 2 is connected to the bottom of the reflux liquid storage tank 9 through a pipeline, the top of the reflux liquid storage tank 9 is provided with a non-condensable gas exhaust pipe, and the top of the first phase separator 10 is provided with a non-condensable gas discharge pipe.
含挥发性有机物的废气优选为印刷行业废气或印染行业废气，也可以是其它行业的产生的含挥发性有机物的废气。The waste gas containing volatile organic compounds is preferably waste gas from printing industry or printing and dyeing industry, and can also be waste gas containing volatile organic compounds from other industries.
一种含挥发性有机物的废气处理装置，包括废气吸收塔11，含挥发性有机物的废气A1通过管道与废气吸收塔11下部连接,废气吸收塔11的顶部设置有净化气排出管；吸收剂贮罐B1通过管道与废气吸收塔11的上部连接；废气吸收塔11的底部通过管道依次与离心泵16、换热器14、第一分相器20连接后再与废气解吸塔12的上部连接；废气解吸塔12底部通过管道依次与循环泵17、换热器14、冷却器13、第二分相器18连接后与废气吸收塔11的上部连接；废气解吸塔12的下部通过管道与饱和蒸汽生产设备D1连接；第二分相器18的底部通过管道与水相贮罐E1连接；废气解吸塔12的顶部通过管道依次与塔顶冷凝器15、回流液储罐19连接后与废液贮罐C1连接，废气解吸塔12的上部通过管道与回流液储罐19的底部连接，回流液储罐19的顶部通过管路与废气吸收塔11下部连接，第一分相器20顶部设有不凝气排放管。An exhaust gas treatment device containing volatile organic compounds, comprising an exhaust gas absorption tower 11, the exhaust gas A1 containing volatile organic compounds is connected to the lower part of the exhaust gas absorption tower 11 through pipes, and the top of the exhaust gas absorption tower 11 is provided with a purified gas discharge pipe; the absorbent storage Tank B1 is connected to the upper part of the exhaust gas absorption tower 11 through pipelines; the bottom of the exhaust gas absorption tower 11 is connected to the centrifugal pump 16, heat exchanger 14, and first phase separator 20 through pipelines in turn, and then connected to the upper part of the exhaust gas desorption tower 12; The bottom of the exhaust gas desorption tower 12 is connected to the circulation pump 17, heat exchanger 14, cooler 13, and second phase separator 18 in sequence through pipelines, and then connected to the upper part of the exhaust gas absorption tower 11; the lower part of the exhaust gas desorption tower 12 is connected to the saturated steam through pipelines. The production equipment D1 is connected; the bottom of the second phase separator 18 is connected with the water phase storage tank E1 through a pipeline; the top of the waste gas desorption tower 12 is connected with the top condenser 15 and the reflux liquid storage tank 19 through a pipeline in turn, and then connected with the waste liquid storage tank. The tank C1 is connected, the upper part of the waste gas desorption tower 12 is connected with the bottom of the reflux liquid storage tank 19 through a pipeline, and the top of the reflux liquid storage tank 19 is connected with the lower part of the waste gas absorption tower 11 through a pipeline. Condensate drain pipe.
含挥发性有机物的废气优选为印刷行业废气或印染行业废气，也可以是其它行业的产生的含挥发性有机物的废气。The waste gas containing volatile organic compounds is preferably waste gas from printing industry or printing and dyeing industry, and can also be waste gas containing volatile organic compounds from other industries.
吸收剂选用沸点为150℃以上的、与水不互溶的醇、酮、酯、醚、芳香族化合物及其衍生物的一种或多种组合。吸收剂优选酯类化合物及芳香族衍生物，如：丁酸丁酯、戊二酸二甲酯、戊酸异戊酯、己二酸二异癸酯、己酸乙酯、己酸环己酯、邻苯二甲酸二丁酯、邻苯二甲酸二辛酯、间苯二甲酸二丁酯、间苯二甲酸二辛脂、对苯二甲酸二辛脂、对苯二甲酸二丁酯。The absorbent is selected from one or more combinations of alcohols, ketones, esters, ethers, aromatic compounds and their derivatives with a boiling point above 150°C and which are immiscible with water. Absorbents are preferably ester compounds and aromatic derivatives, such as: butyl butyrate, dimethyl glutarate, isopentyl valerate, diisodecyl adipate, ethyl hexanoate, cyclohexyl hexanoate , Dibutyl phthalate, Dioctyl phthalate, Dibutyl isophthalate, Dioctyl isophthalate, Dioctyl terephthalate, Dibutyl terephthalate.
本发明的优点：Advantages of the present invention:
本发明的装置利用吸收剂可充分吸收含挥发性有机物的废气中的有机溶剂，吸收剂循环使用，吸收率高，同时考虑了不凝气的放空问题，操作费用低，运行维护方便，绿色保护。The device of the present invention can fully absorb the organic solvent in the exhaust gas containing volatile organic compounds by using the absorbent, the absorbent is recycled, the absorption rate is high, and the problem of venting the non-condensable gas is considered at the same time, the operation cost is low, the operation and maintenance are convenient, and the green protection .
附图说明Description of drawings
图1为一种含挥发性有机物的废气处理装置的示意图。Fig. 1 is a schematic diagram of a waste gas treatment device containing volatile organic compounds.
图2为另一种含挥发性有机物的废气处理装置的示意图。Fig. 2 is a schematic diagram of another waste gas treatment device containing volatile organic compounds.
具体实施方式Detailed ways
下面结合附图对本发明作进一步的说明。下述说明仅是为了使本领域的技术人员能够更好地理解本发明，但不对本发明作任何限制。The present invention will be further described below in conjunction with the accompanying drawings. The following description is only for those skilled in the art to better understand the present invention, but does not limit the present invention in any way.
一种含挥发性有机物的废气处理装置，包括废气吸收塔1，含挥发性有机物的废气A通过管道与废气吸收塔1下部连接,废气吸收塔1的顶部设置有净化气排出管；吸收剂贮罐B通过管道与废气吸收塔1的上部连接；废气吸收塔1的底部通过管道依次与离心泵6、换热器4、第一分相器10连接后再与废气解吸塔2的上部连接；废气解吸塔2底部通过管道依次与循环泵7、换热器4、冷却器3、第二分相器8连接后与废气吸收塔1的上部连接；废气解吸塔2的下部通过管道与饱和蒸汽生产设备D连接；第二分相器8的底部通过管道与水相贮罐E连接；废气解吸塔2的顶部通过管道依次与塔顶冷凝器5、回流液储罐9连接后与废液贮罐C连接，废气解吸塔2的上部通过管道与回流液储罐9的底部连接，回流液储罐9的顶部设置有不凝气排气管，第一分相器10顶部设有不凝气排放管。An exhaust gas treatment device containing volatile organic compounds, comprising an exhaust gas absorption tower 1, the exhaust gas A containing volatile organic compounds is connected to the lower part of the exhaust gas absorption tower 1 through pipes, and the top of the exhaust gas absorption tower 1 is provided with a purified gas discharge pipe; the absorbent storage Tank B is connected to the upper part of exhaust gas absorption tower 1 through pipelines; the bottom of exhaust gas absorption tower 1 is connected to centrifugal pump 6, heat exchanger 4 and first phase separator 10 through pipelines in turn, and then connected to the upper part of exhaust gas desorption tower 2; The bottom of the exhaust gas desorption tower 2 is connected to the circulating pump 7, heat exchanger 4, cooler 3, and second phase separator 8 through pipelines in turn, and then connected to the upper part of the exhaust gas absorption tower 1; the lower part of the exhaust gas desorption tower 2 is connected to the saturated steam through pipelines. The production equipment D is connected; the bottom of the second phase separator 8 is connected with the water phase storage tank E through a pipeline; the top of the waste gas desorption tower 2 is connected with the top condenser 5 and the reflux liquid storage tank 9 through pipelines, and then connected with the waste liquid storage tank Tank C is connected, the upper part of the waste gas desorption tower 2 is connected to the bottom of the reflux liquid storage tank 9 through a pipeline, the top of the reflux liquid storage tank 9 is provided with a non-condensable gas exhaust pipe, and the top of the first phase separator 10 is provided with a non-condensable gas discharge pipe.
含挥发性有机物的废气优选为印刷行业废气或印染行业废气，也可以是其它行业的产生的含挥发性有机物的废气。The waste gas containing volatile organic compounds is preferably waste gas from printing industry or printing and dyeing industry, and can also be waste gas containing volatile organic compounds from other industries.
一种含挥发性有机物的废气处理装置，包括废气吸收塔11，含挥发性有机物的废气A1通过管道与废气吸收塔11下部连接,废气吸收塔11的顶部设置有净化气排出管；吸收剂贮罐B1通过管道与废气吸收塔11的上部连接；废气吸收塔11的底部通过管道依次与离心泵16、换热器14、第一分相器20连接后再与废气解吸塔12的上部连接；废气解吸塔12底部通过管道依次与循环泵17、换热器14、冷却器13、第二分相器18连接后与废气吸收塔11的上部连接；废气解吸塔12的下部通过管道与饱和蒸汽生产设备D1连接；第二分相器18的底部通过管道与水相贮罐E1连接；废气解吸塔12的顶部通过管道依次与塔顶冷凝器15、回流液储罐19连接后与废液贮罐C1连接，废气解吸塔12的上部通过管道与回流液储罐19的底部连接，回流液储罐19的顶部通过管路与废气吸收塔11下部连接，第一分相器20顶部设有不凝气排放管。An exhaust gas treatment device containing volatile organic compounds, comprising an exhaust gas absorption tower 11, the exhaust gas A1 containing volatile organic compounds is connected to the lower part of the exhaust gas absorption tower 11 through pipes, and the top of the exhaust gas absorption tower 11 is provided with a purified gas discharge pipe; the absorbent storage Tank B1 is connected to the upper part of the exhaust gas absorption tower 11 through pipelines; the bottom of the exhaust gas absorption tower 11 is connected to the centrifugal pump 16, heat exchanger 14, and first phase separator 20 through pipelines in turn, and then connected to the upper part of the exhaust gas desorption tower 12; The bottom of the exhaust gas desorption tower 12 is connected to the circulation pump 17, heat exchanger 14, cooler 13, and second phase separator 18 in sequence through pipelines, and then connected to the upper part of the exhaust gas absorption tower 11; the lower part of the exhaust gas desorption tower 12 is connected to the saturated steam through pipelines. The production equipment D1 is connected; the bottom of the second phase separator 18 is connected with the water phase storage tank E1 through a pipeline; the top of the waste gas desorption tower 12 is connected with the top condenser 15 and the reflux liquid storage tank 19 through a pipeline in turn, and then connected with the waste liquid storage tank. The tank C1 is connected, the upper part of the waste gas desorption tower 12 is connected with the bottom of the reflux liquid storage tank 19 through a pipeline, and the top of the reflux liquid storage tank 19 is connected with the lower part of the waste gas absorption tower 11 through a pipeline. Condensate drain pipe.
含挥发性有机物的废气优选为印刷行业废气或印染行业废气，也可以是其它行业的产生的含挥发性有机物的废气。The waste gas containing volatile organic compounds is preferably waste gas from printing industry or printing and dyeing industry, and can also be waste gas containing volatile organic compounds from other industries.
实施例1Example 1
采用第一种含挥发性有机物的废气处理装置，每小时处理550m3印刷行业废气为例进行叙述。Using the first waste gas treatment device containing volatile organic compounds to treat 550m 3 printing industry waste gas per hour as an example.
印刷行业废气A的压力为1.1atm，温度为50℃，废气吸收塔操作压力为1atm，塔顶温度为34.5℃，主要成分为空气，塔底温度为34.7℃，主要成分为吸收剂、废气中的有机溶剂；废气解吸塔操作压力为3.5atm，塔顶温度为40℃，主要成分为解吸的有机溶剂、水，塔底温度为139.4℃，主要成分为吸收剂、水；饱和蒸汽的压力为6atm，由废气解析吸塔下部进入；塔底解吸液进入分相器8，分相器内水相E采出,回收的吸收剂经换热器4，冷却器3冷却至40℃后与补充吸收剂B混合由废气吸收塔1上部进入。The pressure of exhaust gas A in the printing industry is 1.1atm, the temperature is 50°C, the operating pressure of the exhaust gas absorption tower is 1atm, the temperature at the top of the tower is 34.5°C, the main component is air, the temperature at the bottom of the tower is 34.7°C, and the main components are absorbent, waste gas The operating pressure of the exhaust gas desorption tower is 3.5atm, the temperature at the top of the tower is 40°C, the main components are desorbed organic solvent and water, the temperature at the bottom of the tower is 139.4°C, and the main components are absorbent and water; the pressure of saturated steam is 6atm, it enters from the lower part of the waste gas desorption absorption tower; the desorption liquid at the bottom of the tower enters the phase separator 8, and the water phase E in the phase separator is extracted, and the recovered absorbent is cooled to 40°C by the heat exchanger 4 and the cooler 3, and then replenished The absorbent B is mixed and enters from the upper part of the waste gas absorption tower 1.
采用第二种含挥发性有机物的废气处理装置对含挥发性有机物的废气处理操作参见实施例1。Refer to Example 1 for the operation of treating waste gas containing volatile organic compounds by using the second waste gas treatment device containing volatile organic compounds.
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Application publication date: 20151021 |