CN209423276U - A kind of lacquer spraying waste gas processing unit - Google Patents
A kind of lacquer spraying waste gas processing unit Download PDFInfo
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- CN209423276U CN209423276U CN201822113458.4U CN201822113458U CN209423276U CN 209423276 U CN209423276 U CN 209423276U CN 201822113458 U CN201822113458 U CN 201822113458U CN 209423276 U CN209423276 U CN 209423276U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 28
- 238000005507 spraying Methods 0.000 title claims description 11
- 239000004922 lacquer Substances 0.000 title claims 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 251
- 238000001179 sorption measurement Methods 0.000 claims abstract description 122
- 239000007789 gas Substances 0.000 claims abstract description 31
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 20
- 238000003795 desorption Methods 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims 3
- 239000003610 charcoal Substances 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 238000013022 venting Methods 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 13
- 239000012855 volatile organic compound Substances 0.000 abstract description 9
- 238000007591 painting process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 239000000428 dust Substances 0.000 description 6
- 230000002265 prevention Effects 0.000 description 5
- 239000010815 organic waste Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Incineration Of Waste (AREA)
Abstract
本实用新型属于VOCs废气处理领域，具体涉及一种喷漆废气处理装置，包括喷淋器、干式过滤器、第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体、催化燃烧装置、入口空气过滤器、出口空气过滤器以及烟囱，所述喷漆废气通过管道进入喷淋器，所述喷淋器出口端通过废气管连接到干式过滤器，所述干式过滤器通过主进气管道分别连接至第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体，所述第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体分别通过主出气管道连接至引风机，所述引风机与烟囱连通；利用“干式除沫一体机+浓缩吸附+催化燃烧”废气处理系统对涂装过程产生的废气进行净化处理。
The utility model belongs to the field of VOCs waste gas treatment, in particular to a spray paint waste gas treatment device, comprising a sprayer, a dry filter, a first activated carbon adsorption body, a second activated carbon adsorption body, a third activated carbon adsorption body, a catalytic combustion device, Inlet air filter, outlet air filter and chimney, the spray paint exhaust gas enters the sprayer through the pipe, and the outlet end of the sprayer is connected to the dry filter through the exhaust pipe, and the dry filter is passed through the main air intake The pipes are respectively connected to the first activated carbon adsorption body, the second activated carbon adsorption body, and the third activated carbon adsorption body, and the first activated carbon adsorption body, the second activated carbon adsorption body, and the third activated carbon adsorption body are respectively connected to the induced draft fan through the main air outlet pipeline , the induced draft fan is connected with the chimney; the waste gas generated during the painting process is purified by the "dry demister integrated machine + concentrated adsorption + catalytic combustion" waste gas treatment system.
Description
技术领域technical field
本实用新型属于VOCs废气处理领域，具体涉及一种喷漆废气处理装置。The utility model belongs to the field of VOCs waste gas treatment, in particular to a paint spraying waste gas treatment device.
背景技术Background technique
随着我国生产制造行业的不断发展，其后续产品的产量和种类逐年增加，在生产、储运、使用的过程中，产生的废气中含有一定量各种有机物，直接排至大气中，严重地污染着环境，其中的挥发性有机化合物VOCs(Volatile Organic Compounds简称VOCs)能够参与光化学反应，形成光化学烟雾，同时也是大气中二次颗粒有机物形成的重要条件，对于大气环境和人体健康危害巨大。特别是家具喷涂行业中，工业VOCs的排放量持续不断增加，目前已经成为我国城市群和局部区域大气污染的主要原因之一。因此，工业VOCs的污染控制问题，已经成为目前我国控制大气污染的最为重要问题，需引起各级组织高度重视，采取切实有效的措施进行治理，保护自己的生存环境。With the continuous development of my country's manufacturing industry, the output and types of its follow-up products are increasing year by year. In the process of production, storage, transportation and use, the waste gas generated contains a certain amount of various organic substances, which are directly discharged into the atmosphere. Seriously Polluting the environment, the volatile organic compounds VOCs (Volatile Organic Compounds referred to as VOCs) can participate in photochemical reactions and form photochemical smog. Especially in the furniture spraying industry, the emission of industrial VOCs continues to increase, and has become one of the main causes of air pollution in urban agglomerations and local areas in my country. Therefore, the pollution control of industrial VOCs has become the most important issue in the control of air pollution in my country at present, and organizations at all levels need to attach great importance to it, and take effective measures to control and protect their own living environment.
有机废气排放所涉及的行业众多，污染物种类组成较为复杂。污染物的种类几乎涵盖了所有的有机化合物，通常排出的废气主要以有烃类化合物(烷烃、烯烃和芳烃)、甲苯、二甲苯、苯类、等有机化合物为主。There are many industries involved in the emission of organic waste gas, and the composition of pollutants is relatively complex. The types of pollutants cover almost all organic compounds. Usually, the exhaust gas is mainly composed of hydrocarbons (alkanes, olefins and aromatics), toluene, xylene, benzene, and other organic compounds.
VOCs有机废气的处理方法主要有吸收法、活性炭吸附法、燃烧法等以及离子法和光催化法。但从吸收剂的选择、处理气体浓度、成本、处理效果等方面考虑，应用于喷漆废气的环保治理，以上方法单独使用时均有一定的局限性。各种处理方法的合理化结合，能够弥补单一处理方法存在的不足，更好地满足家具行业喷涂废气的处理要求。The treatment methods of VOCs organic waste gas mainly include absorption method, activated carbon adsorption method, combustion method, ion method and photocatalysis method. However, considering the selection of absorbent, treatment gas concentration, cost, treatment effect, etc., the above methods have certain limitations when used alone in the environmental protection treatment of spray paint exhaust gas. The rational combination of various treatment methods can make up for the shortcomings of a single treatment method and better meet the treatment requirements of spraying waste gas in the furniture industry.
实用新型内容Utility model content
有鉴于此，本实用新型提供一种喷漆废气处理装置。In view of this, the utility model provides a paint spray waste gas treatment device.
其采用的技术方案是：The technical solutions it adopts are:
一种喷漆废气处理装置，包括喷淋器、干式过滤器、第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体、催化燃烧装置、入口空气过滤器、出口空气过滤器以及烟囱，所述喷漆废气通过管道进入喷淋器，所述喷淋器出口端通过废气管连接到干式过滤器，所述干式过滤器通过主进气管道分别连接至第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体，所述第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体分别通过主出气管道连接至引风机，所述引风机与烟囱连通；A spray paint exhaust gas treatment device, comprising a sprayer, a dry filter, a first activated carbon adsorption body, a second activated carbon adsorption body, a third activated carbon adsorption body, a catalytic combustion device, an inlet air filter, an outlet air filter and a chimney , the spray paint exhaust gas enters the sprayer through the pipeline, and the outlet end of the sprayer is connected to the dry filter through the exhaust pipe, and the dry filter is respectively connected to the first activated carbon adsorption body, the second activated carbon adsorption body and the second activated carbon adsorption body through the main air intake pipeline. Two activated carbon adsorption bodies, the third activated carbon adsorption body, the first activated carbon adsorption body, the second activated carbon adsorption body, and the third activated carbon adsorption body are respectively connected to the induced draft fan through the main air outlet pipeline, and the induced draft fan communicates with the chimney;
所述第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体通过阻火除尘器与脱附管道进气口连接，所述脱附管道出气口连接至高温风机上，所述高温风机通过管道与催化燃烧装置连接，所述催化燃烧装置通过管道与第二热交换器连接，所述第二热交换器通过管道与烟囱连接。The first activated carbon adsorption body, the second activated carbon adsorption body, and the third activated carbon adsorption body are connected to the air inlet of the desorption pipeline through a fire arrester and dust collector, and the air outlet of the desorption pipeline is connected to a high-temperature fan, and the high-temperature fan The catalytic combustion device is connected with the catalytic combustion device through the pipeline, and the catalytic combustion device is connected with the second heat exchanger through the pipeline, and the second heat exchanger is connected with the chimney through the pipeline.
进一步地，所述入口空气过滤器与第二热交换器连接，所述第二热交换器与第二电加热器连接，所述第二电加热器通过副进气管道分别与第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体底部上的进气端口连接；所述出口过滤器通过副出气管道分别与第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体连接。Further, the inlet air filter is connected to the second heat exchanger, the second heat exchanger is connected to the second electric heater, and the second electric heater is respectively adsorbed to the first activated carbon through the auxiliary air intake pipe The main body, the second activated carbon adsorption body, and the intake port on the bottom of the third activated carbon adsorption body are connected; the outlet filter is respectively connected with the first activated carbon adsorption body, the second activated carbon adsorption body, and the third activated carbon adsorption body through the auxiliary outlet pipe .
进一步地，所述催化燃烧装置包括依次连接的第一热交换器、第一电加热器以及催化燃烧室，所述第一热交换器一端与高温风机连接，所述催化燃烧室一端与第二热交换器连接；所述催化燃烧室上设有防爆口。Further, the catalytic combustion device includes a first heat exchanger, a first electric heater and a catalytic combustion chamber connected in sequence, one end of the first heat exchanger is connected to a high-temperature fan, and one end of the catalytic combustion chamber is connected to the second The heat exchanger is connected; the catalytic combustion chamber is provided with an explosion-proof port.
进一步地，所述主进气管道、主出气管道、副进气管道、副出气管道、脱附管道均设有切换气路阀。Further, the main air intake pipeline, the main air outlet pipeline, the auxiliary air intake pipeline, the auxiliary air outlet pipeline, and the desorption pipeline are all equipped with switching gas circuit valves.
进一步地，所述第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体的结构相同，所述第一活性炭吸附本体上设有检修门和喷淋防火装置，所述喷淋防火装置与外部消防管道连接；所述第一活性炭吸附本体内壁上设有活性炭层温度计；所述第一活性炭吸附本体内的上下部均设有一压差计。Further, the structures of the first activated carbon adsorption body, the second activated carbon adsorption body and the third activated carbon adsorption body are the same, and the first activated carbon adsorption body is provided with an inspection door and a spray fire prevention device, and the spray fire prevention device It is connected with the external fire-fighting pipeline; the inner wall of the first activated carbon adsorption body is provided with an activated carbon layer thermometer; the upper and lower parts of the first activated carbon adsorption body are provided with a differential pressure gauge.
本实用新型的有益效果：本实用新型利用“干式除沫一体机+浓缩吸附+催化燃烧”废气处理系统对涂装过程产生的废气进行净化处理，从而使废气中各污染物的排放浓度及排放速率达到行业标准要求；废气处理过程中充分考虑喷涂内湿度对产品质量的影响，通过设置在活性炭吸附本体上的入口过滤器和出口过滤器，通过回流空气，减少除湿负荷。Beneficial effects of the utility model: the utility model utilizes the exhaust gas treatment system of "dry type defoaming integrated machine + concentrated adsorption + catalytic combustion" to purify the exhaust gas generated in the painting process, so that the emission concentration of each pollutant in the exhaust gas and The emission rate meets the requirements of the industry standard; the influence of the humidity in the spray on the product quality is fully considered during the waste gas treatment process, and the dehumidification load is reduced by returning air through the inlet filter and outlet filter installed on the activated carbon adsorption body.
附图说明Description of drawings
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
其中，1、干式过滤器；2、出口空气过滤器；3、第一活性炭吸附本体；4、第二活性炭吸附本体；5、第三活性炭吸附本体；6、切换气路阀；7、引风机；8、烟囱；9、入口空气过滤器；10、第二热交换器；11、第二电加热器；12、催化燃烧室；13、第一电加热器； 14、第一热交换器；15、高温风机；16、阻火除尘器；17、喷淋防火装置；18、主进气管道；19、主出气管道；20、副进气管道；21、副出气管道；22、脱附管道；23、PCL控制器；24、压力差报警装置。Among them, 1. Dry filter; 2. Outlet air filter; 3. The first activated carbon adsorption body; 4. The second activated carbon adsorption body; 5. The third activated carbon adsorption body; Fan; 8. Chimney; 9. Inlet air filter; 10. Second heat exchanger; 11. Second electric heater; 12. Catalytic combustion chamber; 13. First electric heater; 14. First heat exchanger ; 15. High temperature fan; 16. Fire retardant and dust remover; 17. Spray fire prevention device; 18. Main air intake pipe; 19. Main air outlet pipe; 20. Secondary air inlet pipe; 21. Secondary air outlet pipe; pipeline; 23. PCL controller; 24. pressure difference alarm device.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
参照图1所示，本实用新型一种喷漆废气处理装置，包括喷淋器、干式过滤器1、第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5、催化燃烧装置、入口空气过滤器9、出口空气过滤器2以及烟囱8，所述喷漆废气通过管道进入喷淋器，所述喷淋器出口端通过废气管连接到干式过滤器1，所述干式过滤器1通过主进气管道18分别连接至第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5，所述第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5分别通过主出气管道19连接至引风机7，所述引风机7与烟囱8连通；所述第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5通过阻火除尘器16与脱附管道22进气口连接，所述脱附管道22出气口连接至高温风机15上，所述高温风机15通过管道与催化燃烧装置连接，所述催化燃烧装置通过管道与第二热交换器10连接，所述第二热交换器 10通过管道与烟囱8连接；所述催化燃烧装置包括依次连接的第一热交换器14、第一电加热器13以及催化燃烧室12，所述第一热交换器14一端与高温风机15连接，所述催化燃烧室12一端与第二热交换器10连接；所述催化燃烧室12上设有防爆口；所述主进气管道 18、主出气管道19、副进气管道20、副出气管道21、脱附管道22 均设有切换气路阀6；整个装置通过PCL控制器23自动控制运行。Referring to Fig. 1, a spray paint waste gas treatment device of the present invention includes a shower, a dry filter 1, a first activated carbon adsorption body 3, a second activated carbon adsorption body 4, a third activated carbon adsorption body 5, a catalytic combustion device, an inlet air filter 9, an outlet air filter 2 and a chimney 8, the spray paint waste gas enters the sprayer through a pipeline, and the outlet end of the sprayer is connected to a dry filter 1 through a waste gas pipe, and the dry The filter 1 is respectively connected to the first activated carbon adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5 through the main air intake pipe 18. The first activated carbon adsorption body 3, the second activated carbon adsorption body 4, the second activated carbon adsorption body Three activated carbon adsorption bodies 5 are respectively connected to the induced draft fan 7 through the main outlet pipe 19, and the induced draft fan 7 communicates with the chimney 8; the first activated carbon adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5 pass through The fire-stop dust collector 16 is connected to the air inlet of the desorption pipeline 22, and the air outlet of the desorption pipeline 22 is connected to the high-temperature fan 15, and the high-temperature fan 15 is connected to the catalytic combustion device through the pipeline, and the catalytic combustion device is connected to the catalytic combustion device through the pipeline. Connected with the second heat exchanger 10, the second heat exchanger 10 is connected with the chimney 8 through a pipeline; the catalytic combustion device includes the first heat exchanger 14, the first electric heater 13 and the catalytic combustion chamber connected in sequence 12. One end of the first heat exchanger 14 is connected to the high-temperature fan 15, and one end of the catalytic combustion chamber 12 is connected to the second heat exchanger 10; the catalytic combustion chamber 12 is provided with an explosion-proof port; the main air intake Pipeline 18 , main air outlet pipe 19 , auxiliary air inlet pipe 20 , auxiliary air outlet pipe 21 , and desorption pipe 22 are all provided with switching air path valve 6; the whole device is automatically controlled and operated by PCL controller 23.
所述入口空气过滤器9与第二热交换器10连接，所述第二热交换器10与第二电加热器11连接，所述第二电加热器11通过副进气管道20分别与第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5底部上的进气端口连接；所述出口过滤器2通过副出气管道21分别与第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5连接。The inlet air filter 9 is connected to the second heat exchanger 10, the second heat exchanger 10 is connected to the second electric heater 11, and the second electric heater 11 is respectively connected to the second electric heater 11 through the secondary air intake pipe 20. One activated carbon adsorption body 3, the second activated carbon adsorption body 4, the inlet port on the bottom of the third activated carbon adsorption body 5 are connected; The adsorption body 4 and the third activated carbon adsorption body 5 are connected.
该喷漆废气处理装置处理的有机废气主要为注塑和喷漆类废气；注塑类废气浓度低、风量较小，采用“活性炭吸附”装置处理，废气通过喷淋器后进入干式过滤器1，去除漆雾及粉尘后的废气通过主进气管道18进入到第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5，经过蜂窝状活性炭吸附有机化合物后的废气通过引风机7从主出气管道19送至15米排气烟囱达标排放，在上述过程中，PCL控制器23控制副进气管道20、副出气管道21以及脱附管道22上的切换气路阀6关闭。The organic waste gas treated by the paint spraying waste gas treatment device is mainly injection molding and painting waste gas; the injection molding waste gas has low concentration and small air volume, and is treated by an "activated carbon adsorption" device. The waste gas enters the dry filter 1 after passing through the sprayer to remove the paint. The waste gas after mist and dust enters the first activated carbon adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5 through the main air intake pipe 18, and the waste gas after the honeycomb activated carbon adsorbs organic compounds passes through the induced draft fan 7. The main outlet pipe 19 is sent to the 15-meter exhaust chimney to meet the standard discharge. During the above process, the PCL controller 23 controls the switching gas path valve 6 on the auxiliary inlet pipe 20, auxiliary outlet pipe 21 and desorption pipe 22 to close.
喷漆类废气浓度低，风量大，采用“吸附浓缩再生+催化燃烧”，废气通过喷淋器后进入干式过滤器1，去除漆雾及粉尘后的废气通过主进气管道进入到第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5，经过蜂窝状活性炭吸附有机气体后的废气通过引风机7从主出气管道19送至排气烟囱8达标排放，另外第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5吸附的有机气体分别经过阻火除尘器16进入脱附管道22，并通过PCL控制器23启动高温风机15，将有机气体送至第一热交换器14，通过第一热交换器14 将有机气体分解后的热能和废气源冷气流进行热交换，置换热能，提高废气源的温度，然后通过第一电加热器13把有机废气加热至300℃左右进入催化燃烧室12，在催化剂的作用下，气体中的有机物分解成 CO2、H2O等物质，同时放出热量，使气体温度进一步提升，该高温气体在回流至第一热交换器14提供换热的热量，并将纯净的热空气通过第二热交换器10进一步热交换，降低其温度，在通过烟囱达标排放；在上述过程中，PCL控制器23控制副进气管道20和副出气管道21上的切换气路阀6关闭。The concentration of spray paint exhaust gas is low, the air volume is large, and "adsorption concentration regeneration + catalytic combustion" is adopted. The exhaust gas enters the dry filter 1 after passing through the sprayer, and the exhaust gas after removing paint mist and dust enters the first activated carbon through the main air intake pipe. The adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5, the exhaust gas after the honeycomb activated carbon adsorbs the organic gas is sent to the exhaust chimney 8 through the induced draft fan 7 from the main outlet pipe 19 to meet the standard discharge, and the first activated carbon The organic gas adsorbed by the adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5 respectively enters the desorption pipeline 22 through the fire arrester 16, and starts the high-temperature fan 15 through the PCL controller 23 to send the organic gas to The first heat exchanger 14, through the first heat exchanger 14, the heat energy after the decomposition of the organic gas is exchanged with the cold air flow of the waste gas source, the heat energy is replaced, and the temperature of the waste gas source is increased, and then the organic waste gas is transferred through the first electric heater 13 It is heated to about 300°C and enters the catalytic combustion chamber 12. Under the action of the catalyst, the organic matter in the gas is decomposed into CO2, H2O and other substances, and at the same time, heat is released to further increase the temperature of the gas. The high-temperature gas is returned to the first heat exchanger 14 provides heat for heat exchange, and further heat exchange of pure hot air through the second heat exchanger 10, lowers its temperature, and discharges through the chimney up to the standard; The switching air path valve 6 on the secondary air outlet pipeline 21 is closed.
所述第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5的结构相同，所述第一活性炭吸附本体3内壁上设有活性炭层温度计；所述第一活性炭吸附本体内部上下端均设有一压差计；当第一活性炭吸附本体、第二活性炭吸附本体、第三活性炭吸附本体内的温度和压强达到工作温度和压强的上限时，PCL控制器23控制主进气管道18、主出气管道19、脱附管道22以及副进气管道20上的切换气路阀6关闭，此时副出气管道21上的切换气路阀6打开，第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5内的热气通过出气过滤器2排出到大气中，然后大气中的冷空气经过出口过滤器2 进入到第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5内，重新开始工作。The structures of the first activated carbon adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5 are the same, and an activated carbon layer thermometer is arranged on the inner wall of the first activated carbon adsorption body 3; A differential pressure gauge is provided at the upper and lower ends; when the temperature and pressure in the first activated carbon adsorption body, the second activated carbon adsorption body, and the third activated carbon adsorption body reach the upper limit of the working temperature and pressure, the PCL controller 23 controls the main intake pipe 18. The switch air valve 6 on the main outlet pipeline 19, the desorption pipeline 22 and the auxiliary air inlet pipeline 20 is closed, and the switch air valve 6 on the auxiliary air outlet pipeline 21 is opened at this time, and the first activated carbon adsorption body 3, the second The hot air in the activated carbon adsorption body 4 and the third activated carbon adsorption body 5 is discharged into the atmosphere through the air outlet filter 2, and then the cold air in the atmosphere enters the first activated carbon adsorption body 3 and the second activated carbon adsorption body 4 through the outlet filter 2 , The third activated carbon is adsorbed in the main body 5 and starts working again.
当第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5内的温度和压强低于工作温度和压强时，PCL控制器23控制主进气管道18、主出气管道19、脱附管道22以及副出气管道21上的切换气路阀6关闭，此时副进气管道20上的切换气路阀6打开，大气中的空气经过入口空气过滤器9，过滤掉灰尘等大颗粒，再经过第二热交换器10，进入第二电加热器11加热到预定的工作温度后，进入第一活性炭吸附本体3、第二活性炭吸附本体4、第三活性炭吸附本体5内，重新开始工作。When the temperature and pressure in the first activated carbon adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5 were lower than the operating temperature and pressure, the PCL controller 23 controlled the main air intake pipeline 18, the main air outlet pipeline 19, The switching gas circuit valve 6 on the desorption pipeline 22 and the secondary air outlet pipeline 21 is closed, and the switching gas circuit valve 6 on the secondary air intake pipeline 20 is opened at this time, and the air in the atmosphere passes through the inlet air filter 9 to filter out large amounts of dust, etc. Particles, through the second heat exchanger 10, enter the second electric heater 11 to be heated to a predetermined working temperature, and then enter the first activated carbon adsorption body 3, the second activated carbon adsorption body 4, and the third activated carbon adsorption body 5. start working.
所述第一活性炭吸附本体3、第二活性炭吸附本体4及第三活性炭吸附本体5内均设有检修门和喷淋防火装置17，所述喷淋防火装置17 与外部消防管道连接；通过活性炭层温度计的温度测量，随时第一活性炭吸附本体3、第二活性炭吸附本体4及第三活性炭吸附本体5内的活性炭层是否可能产生自燃，以及是否需要对活性炭层进行喷淋降温处理，以保证第一活性炭吸附本体3、第二活性炭吸附本体4及第三活性炭吸附本体5使用的安全性。The first activated carbon adsorption body 3, the second activated carbon adsorption body 4 and the third activated carbon adsorption body 5 are all equipped with an inspection door and a spray fire prevention device 17, and the spray fire prevention device 17 is connected with an external fire-fighting pipeline; The temperature measurement of the layer thermometer, whether the activated carbon layer in the first activated carbon adsorption body 3, the second activated carbon adsorption body 4 and the third activated carbon adsorption body 5 may produce spontaneous combustion at any time, and whether the activated carbon layer needs to be sprayed and cooled to ensure Safety of using the first activated carbon adsorption body 3 , the second activated carbon adsorption body 4 and the third activated carbon adsorption body 5 .
本实用新型在干式过滤器1上设有压力差报警装置24，当过滤棉堵塞时，过滤棉上下过滤两侧的压力差过大，当压差计显示压差超过预定值时，压力报警装置24发出报警信号，立即更换过滤棉。The utility model is equipped with a pressure difference alarm device 24 on the dry filter 1. When the filter cotton is blocked, the pressure difference between the upper and lower sides of the filter cotton is too large. When the pressure difference meter shows that the pressure difference exceeds a predetermined value, the pressure alarm will Device 24 sends alarm signal, changes filter cotton immediately.
工作过程中，如果哪个活性炭吸附本体出现故障，则由PCL控制器控制与该活性炭吸附本体连接管道上的切换气路阀关闭6，进行维修，其他活性炭吸附本体正常工作。During the working process, if any active carbon adsorption body breaks down, the PCL controller controls the switching gas path valve on the pipeline connected to the active carbon adsorption body to close 6 for maintenance, and other activated carbon adsorption bodies work normally.
以上所述仅为本实用新型的优选实施例而已，并不用于限制本实用新型，对于本领域的技术人员来说，本实用新型可以有各种更改和变化。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.
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| CN115121371A (en) * | 2022-06-24 | 2022-09-30 | 安徽华铂再生资源科技有限公司 | Waste gas purification unit for plastic modification production line |
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| CN111780140A (en) * | 2020-07-30 | 2020-10-16 | 南京大学环境规划设计研究院股份公司 | Heat accumulating type catalytic combustion device for VOCs treatment |
| CN115121371A (en) * | 2022-06-24 | 2022-09-30 | 安徽华铂再生资源科技有限公司 | Waste gas purification unit for plastic modification production line |
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