CN204891534U - Concentrated processing system of VOC organic waste gas - Google Patents

Concentrated processing system of VOC organic waste gas Download PDF

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CN204891534U
CN204891534U CN201520491919.5U CN201520491919U CN204891534U CN 204891534 U CN204891534 U CN 204891534U CN 201520491919 U CN201520491919 U CN 201520491919U CN 204891534 U CN204891534 U CN 204891534U
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waste gas
exhaust gas
organic waste
adsorption device
gas
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施宗海
周梓恒
李可林
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Zhongshan Zhongye Environmental Protection Technology Co ltd
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Zhongshan Zhongye Environmental Protection Technology Co ltd
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    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

本实用新型公开了一种VOC有机废气浓缩处理系统,包括除雾过滤器、废气吸附装置、净化气抽风机、烟囱、有机废气抽风机、催化燃烧器和换热器,其除雾过滤器出气端连接废气吸附装置的有机废气吸附口,废气吸附装置的净化气出口与净化气抽风机的进风口连接,净化气抽风机的排风口与烟囱连接,有机废气抽风机的进风口与废气吸附装置的有机废气吸附口端部连接,有机废气抽风机的排风口与催化燃烧器连接,催化燃烧器连接换热器,换热器与废气吸附装置的净化气出口端部连接;本实用新型其废气吸附装置内的活性炭可进行脱附循环再生利用,能实现将大风量低浓度VOC有机废气浓缩成小风量高浓度VOC有机废气后再进行燃烧处理。

The utility model discloses a VOC organic waste gas concentration treatment system, comprising a demisting filter, a waste gas adsorption device, a purified gas exhaust fan, a chimney, an organic waste gas exhaust fan, a catalytic burner and a heat exchanger, wherein the air outlet end of the demisting filter is connected to the organic waste gas adsorption port of the waste gas adsorption device, the purified gas outlet of the waste gas adsorption device is connected to the air inlet of the purified gas exhaust fan, the exhaust port of the purified gas exhaust fan is connected to the chimney, the air inlet of the organic waste gas exhaust fan is connected to the end of the organic waste gas adsorption port of the waste gas adsorption device, the exhaust port of the organic waste gas exhaust fan is connected to the catalytic burner, the catalytic burner is connected to the heat exchanger, and the heat exchanger is connected to the purified gas outlet end of the waste gas adsorption device; the activated carbon in the waste gas adsorption device of the utility model can be desorbed and recycled, and can realize the concentration of low-concentration VOC organic waste gas with a large air volume into high-concentration VOC organic waste gas with a small air volume before combustion treatment.

Description

一种VOC有机废气浓缩处理系统A VOC organic waste gas concentration treatment system

技术领域 technical field

本实用新型涉及VOC有机废气处理技术领域,具体涉及一种将大风量低浓度VOC有机废气浓缩成小风量高浓度VOC有机废气后再进行燃烧处理的VOC有机废气浓缩处理系统。 The utility model relates to the technical field of VOC organic waste gas treatment, in particular to a VOC organic waste gas concentration treatment system which condenses large air volume and low concentration VOC organic waste gas into small air volume and high concentration VOC organic waste gas and then performs combustion treatment.

背景技术 Background technique

目前大风量低浓度的VOC有机废气,如家具、喷漆行业等产生的有机废气,其废气处理设备一般较为大型,投资成本较高;而且该废气处理设备一般是通过活性炭吸附VOC有机废气的方式进行废气处理,活性炭在吸附VOC有机废气饱和后需要进行更换,导致活性炭消耗量大,活性炭无法循环再生利用,同时吸附有VOC有机废气的活性炭是一种危险废气物,不能随意丢弃,其处理成本也很高。 At present, VOC organic waste gas with large air volume and low concentration, such as organic waste gas produced by furniture and painting industries, generally has relatively large waste gas treatment equipment with high investment costs; and the waste gas treatment equipment is generally carried out by activated carbon adsorption of VOC organic waste gas. Exhaust gas treatment, activated carbon needs to be replaced after absorbing VOC organic waste gas saturated, resulting in a large consumption of activated carbon, activated carbon cannot be recycled and reused, and activated carbon adsorbed with VOC organic waste gas is a dangerous waste gas, which cannot be discarded at will, and its treatment cost is also high. very high.

发明内容 Contents of the invention

针对现有技术的不足,本实用新型旨在提供一种活性炭可进行脱附循环再生利用、废气处理成本低的可将大风量低浓度VOC有机废气浓缩成小风量高浓度VOC有机废气后进行燃烧处理的VOC有机废气浓缩处理系统。 Aiming at the deficiencies of the prior art, the utility model aims to provide a kind of activated carbon that can be desorbed, recycled and reused, and has low waste gas treatment cost. It can condense large-volume low-concentration VOC organic waste gas into small air-volume and high-concentration VOC organic waste gas for combustion. Treated VOC organic waste gas concentration treatment system.

为实现上述目的,本实用新型采用如下技术方案: In order to achieve the above object, the utility model adopts the following technical solutions:

一种VOC有机废气浓缩处理系统,包括除雾过滤器、废气吸附装置、净化气抽风机、烟囱、有机废气抽风机、催化燃烧器和换热器,所述除雾过滤器进气端连接大风量低浓度VOC有机废气源,出气端连接废气吸附装置的有机废气吸附口;废气吸附装置的净化气出口与净化气抽风机的进风口连接,净化气抽风机的排风口与烟囱连接;有机废气抽风机的进风口与废气吸附装置的有机废气吸附口端部连接,有机废气抽风机的排风口与催化燃烧器连接,催化燃烧器连接换热器,换热器一端与空气源连接,另一端与废气吸附装置的净化气出口端部连接。 A VOC organic waste gas concentration treatment system, including a demist filter, a waste gas adsorption device, a purified gas exhaust fan, a chimney, an organic waste gas exhaust fan, a catalytic burner and a heat exchanger, and the inlet end of the demist filter is connected to a large Low-volume VOC organic waste gas source, the outlet end is connected to the organic waste gas adsorption port of the waste gas adsorption device; the purified gas outlet of the waste gas adsorption device is connected to the air inlet of the purified gas exhaust fan, and the exhaust port of the purified gas exhaust fan is connected to the chimney; The air inlet of the exhaust gas exhaust fan is connected to the end of the organic waste gas adsorption port of the exhaust gas adsorption device, the exhaust port of the organic exhaust gas exhaust fan is connected to the catalytic burner, the catalytic burner is connected to the heat exchanger, and one end of the heat exchanger is connected to the air source. The other end is connected with the outlet end of the purified gas of the waste gas adsorption device.

进一步的,所述除雾过滤器出气端与废气吸附装置有机废气吸附口的连接管路上安装设置有第一电动阀,废气吸附装置净化气出口与净化气抽风机进风口的连接管路上安装设置有第二电动阀。 Further, a first electric valve is installed on the connecting pipeline between the outlet end of the demister filter and the organic waste gas adsorption port of the exhaust gas adsorption device, and a first electric valve is installed on the connecting pipeline between the purified gas outlet of the exhaust gas adsorption device and the air inlet of the purified gas exhaust fan. There is a second electric valve.

进一步的,所述废气吸附装置由一个废气吸附器组成。 Further, the exhaust gas adsorption device is composed of an exhaust gas adsorber.

或者所述废气吸附装置由两个或两个以上废气吸附器以并联的方式连接组成。 Or the exhaust gas adsorption device is composed of two or more exhaust gas adsorbers connected in parallel.

进一步的,所述废气吸附器其净化气出口端部与换热器的连接管路上安装设置有第三电动阀,废气吸附器其有机废气吸附口端部与有机废气抽风机其进风口的连接管路上安装设置有第四电动阀。 Further, a third electric valve is installed on the connecting pipeline between the outlet end of the purified gas of the exhaust gas adsorber and the heat exchanger, and the connection between the end of the organic exhaust gas adsorption port of the exhaust gas adsorber and the air inlet of the organic exhaust fan is A fourth electric valve is installed on the pipeline.

优选的,废气吸附装置其净化气出口端部与换热器的连接管路上还通过分支连接管路与补冷风机连接,该补冷风机进风口连接空气源,排风口通过分支连接管路与废气吸附装置其净化气出口端部和换热器的连接管路连接,所述分支连接管路上安装设置有第五电动阀。 Preferably, the connection pipeline between the outlet end of the exhaust gas adsorption device and the heat exchanger is also connected to the auxiliary cooling fan through a branch connection pipeline. It is connected with the connecting pipeline between the outlet end of the purified gas of the exhaust gas adsorption device and the heat exchanger, and the fifth electric valve is installed on the branch connecting pipeline.

本实用新型具有如下有益效果: The utility model has the following beneficial effects:

本实用新型一种VOC有机废气浓缩处理系统,其废气吸附装置内的活性炭可进行脱附循环再生利用,能实现将大风量低浓度VOC有机废气浓缩成小风量高浓度VOC有机废气后再进行燃烧处理,降低了大风量低浓度VOC有机废气的处理成本,废气处理效率高、成本低。 The utility model is a VOC organic waste gas concentration treatment system, the activated carbon in the waste gas adsorption device can be desorbed and recycled, and can realize the concentration of large air volume and low concentration VOC organic waste gas into small air volume and high concentration VOC organic waste gas before burning The treatment reduces the treatment cost of large air volume and low concentration VOC organic waste gas, and the waste gas treatment efficiency is high and the cost is low.

附图说明 Description of drawings

图1为本实用新型一种VOC有机废气浓缩处理系统的简单结构示意图。 Figure 1 is a schematic diagram of a simple structure of a VOC organic waste gas concentration treatment system of the present invention.

具体实施方式 Detailed ways

下面结合附图及具体实施例,对本实用新型作进一步的描述,以便于更清楚的理解本实用新型要求保护的技术思想。 The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so as to understand the technical idea claimed by the utility model more clearly.

如图1所示本实用新型一种VOC有机废气浓缩处理系统,包括除雾过滤器1、废气吸附装置2、净化气抽风机3、烟囱4、有机废气抽风机5、催化燃烧器6、换热器7、第一电动阀81、第二电动阀82、第三电动阀83、第四电动阀84、第五电动阀85和补冷风机9,除雾过滤器1进气端连接大风量低浓度VOC有机废气源,出气端连接废气吸附装置2的有机废气吸附口,第一电动阀81安装设置在除雾过滤器1出气端与废气吸附装置2有机废气吸附口的连接管路上;废气吸附装置2的净化气出口与净化气抽风机3的进风口连接,第二电动阀82安装设置在废气吸附装置2净化气出口与净化气抽风机3进风口的连接管路上,净化气抽风机3的排风口与烟囱4连接;所述废气吸附装置2由一个废气吸附器21组成或者由两个或两个以上废气吸附器21以并联的方式连接组成。 As shown in Figure 1, a VOC organic waste gas concentration treatment system of the present utility model includes a demister filter 1, a waste gas adsorption device 2, a purified gas exhaust fan 3, a chimney 4, an organic waste gas exhaust fan 5, a catalytic burner 6, and a The heater 7, the first electric valve 81, the second electric valve 82, the third electric valve 83, the fourth electric valve 84, the fifth electric valve 85 and the auxiliary cooling fan 9, and the air intake end of the demisting filter 1 is connected with a large air volume Low-concentration VOC organic waste gas source, the gas outlet is connected to the organic waste gas adsorption port of the waste gas adsorption device 2, and the first electric valve 81 is installed on the connecting pipeline between the gas outlet of the demister filter 1 and the organic waste gas adsorption port of the waste gas adsorption device 2; The purified gas outlet of the adsorption device 2 is connected to the air inlet of the purified gas exhaust fan 3, and the second electric valve 82 is installed on the connecting pipeline between the exhaust gas adsorption device 2 purified gas outlet and the purified gas exhaust fan 3 air inlet, and the purified gas exhaust fan 3 is connected to the chimney 4; the exhaust gas adsorption device 2 is composed of one exhaust gas adsorber 21 or is composed of two or more exhaust gas adsorbers 21 connected in parallel.

有机废气抽风机5的进风口与废气吸附装置2的有机废气吸附口端部连接,第四电动阀84安装设置在废气吸附器21其有机废气吸附口端部与有机废气抽风机5其进风口的连接管路上,有机废气抽风机5的排风口与催化燃烧器6连接,催化燃烧器6连接换热器7,换热器7一端与空气源连接,另一端与废气吸附装置2的净化气出口端部连接,第三电动阀83安装设置在废气吸附器21其净化气出口端部与换热器7的连接管路上。 The air inlet of the organic waste gas exhaust fan 5 is connected to the end of the organic waste gas adsorption port of the exhaust gas adsorption device 2, and the fourth electric valve 84 is installed on the end of the organic waste gas adsorption port of the exhaust gas adsorber 21 and connected to the air inlet of the organic waste gas exhaust fan 5. On the connecting pipeline, the exhaust port of the organic waste gas exhaust fan 5 is connected to the catalytic burner 6, and the catalytic burner 6 is connected to the heat exchanger 7, and one end of the heat exchanger 7 is connected to the air source, and the other end is connected to the purification of the waste gas adsorption device 2. The end of the gas outlet is connected, and the third electric valve 83 is installed on the connecting pipeline between the outlet end of the purified gas of the exhaust gas adsorber 21 and the heat exchanger 7 .

废气吸附装置2其净化气出口端部与换热器7的连接管路上还通过分支连接管路与补冷风机9连接,补冷风机9进风口连接空气源,排风口通过分支连接管路与废气吸附装置2其净化气出口端部和换热器7的连接管路连接,分支连接管路上安装设置有第五电动阀85。 The exhaust gas adsorption device 2 connects the outlet end of the purified gas to the heat exchanger 7 through a branch connecting pipeline to the supplementary cooling fan 9. The air inlet of the supplementary cooling fan 9 is connected to the air source, and the air outlet is connected to the branch connection pipeline. It is connected with the connecting pipeline between the outlet end of the purified gas of the exhaust gas adsorption device 2 and the heat exchanger 7, and a fifth electric valve 85 is installed on the branch connecting pipeline.

本实用新型的工作原理为:大风量低浓度VOC有机废气经过除雾过滤器1过滤处理后,从废气吸附器21的有机废气吸附口进入废气吸附器21由活性炭进行吸附处理,净化后的空气从废气吸附器21的净化气出口由净化气抽风机3抽排至烟囱4,当废气吸附器21内的活性炭吸附饱和后,补冷风机9启动向废气吸附器21内送入反向的气流,吸附有VOC有机废气的活性炭在反向气流的作用下脱附,有机废气抽风机5将脱附后的高浓度VOC有机废气抽排至催化燃烧器6中进行燃烧处理,该高浓度VOC有机废气是吸附前大风量低浓度VOC有机废气浓度的5-15倍,废气燃烧处理产生的热量通过换热器7交换后对空气源进行加热,加热后的空气源从废气吸附器21的净化气出口反向进入废气吸附器21内对活性炭进行脱附,如此实现将大风量低浓度VOC有机废气浓缩成小风量高浓度VOC有机废气进行燃烧处理,同时能对废气吸附器21的活性炭进行连续地脱附循环再利用,活性炭利用效率高,降低了大风量低浓度VOC有机废气的处理成本。 The working principle of the utility model is: after the VOC organic waste gas with large air volume and low concentration is filtered by the demisting filter 1, it enters the waste gas adsorber 21 from the organic waste gas adsorption port of the waste gas adsorber 21 and is adsorbed by activated carbon, and the purified air From the outlet of the exhaust gas adsorber 21, the purified gas is exhausted to the chimney 4 by the exhaust fan 3. When the activated carbon in the exhaust gas adsorber 21 is saturated, the supplementary cooling fan 9 is started to send a reverse air flow into the exhaust gas adsorber 21. , the activated carbon adsorbed with VOC organic waste gas is desorbed under the action of reverse air flow, and the organic waste gas exhaust fan 5 pumps the desorbed high-concentration VOC organic waste gas into the catalytic burner 6 for combustion treatment. The high-concentration VOC organic waste gas The waste gas is 5-15 times the concentration of the low-concentration VOC organic waste gas with large air volume before adsorption. The heat generated by the waste gas combustion treatment is exchanged by the heat exchanger 7 to heat the air source. The heated air source is purified from the waste gas adsorber 21. The outlet enters the exhaust gas adsorber 21 in reverse to desorb the activated carbon, so that the organic waste gas with a large air volume and low concentration of VOC can be concentrated into a small air volume and high concentration VOC organic waste gas for combustion treatment, and at the same time, the activated carbon in the exhaust gas adsorber 21 can be continuously Desorption recycling and high utilization efficiency of activated carbon reduce the treatment cost of large air volume and low concentration VOC organic waste gas.

对于本领域的技术人员来说,可根据以上描述的技术方案以及构思,做出其它各种相应的改变以及变形,而所有的这些改变以及变形都应该属于本实用新型权利要求的保护范围之内。 For those skilled in the art, various other corresponding changes and modifications can be made according to the technical solutions and ideas described above, and all these changes and modifications should fall within the protection scope of the claims of the present invention .

Claims (7)

1. a VOC organic waste gas concentrating treatment system, it is characterized in that: comprise except mist resistant filter (1), exhaust gas adsorption device (2), purified gas air exhauster (3), chimney (4), organic exhaust gas air exhauster (5), catalytic burner (6) and heat exchanger (7), described except mist resistant filter (1) inlet end connection large-wind-volume low-concentration VOC organic waste source of the gas, outlet side connects the organic exhaust gas adsorption mouth of exhaust gas adsorption device (2); The clean gas outlet of exhaust gas adsorption device (2) is connected with the air inlet of purified gas air exhauster (3), and the exhaust outlet of purified gas air exhauster (3) is connected with chimney (4); The air inlet of organic exhaust gas air exhauster (5) is connected with the organic exhaust gas adsorption mouth end of exhaust gas adsorption device (2), the exhaust outlet of organic exhaust gas air exhauster (5) is connected with catalytic burner (6), catalytic burner (6) connects heat exchanger (7), heat exchanger (7) one end is connected with air-source, and the other end is connected with the clean gas outlet end of exhaust gas adsorption device (2).
2. a kind of VOC organic waste gas concentrating treatment system as claimed in claim 1, it is characterized in that: the described connecting line removing mist resistant filter (1) outlet side and exhaust gas adsorption device (2) organic exhaust gas adsorption mouth is installed and is provided with the first motor-driven valve (81), the connecting line of exhaust gas adsorption device (2) clean gas outlet and purified gas air exhauster (3) air inlet is installed and is provided with the second motor-driven valve (82).
3. a kind of VOC organic waste gas concentrating treatment system as claimed in claim 1, is characterized in that: described exhaust gas adsorption device (2) is made up of a waste gas absorber (21).
4. a kind of VOC organic waste gas concentrating treatment system as claimed in claim 1, is characterized in that: described exhaust gas adsorption device (2) is made up of two or more waste gas absorbers (21).
5. a kind of VOC organic waste gas concentrating treatment system as claimed in claim 4, is characterized in that: two or more waste gas absorbers (21) described connect in parallel.
6. a kind of VOC organic waste gas concentrating treatment system as described in claim 3 or 5, it is characterized in that: the connecting line of described its clean gas outlet end of waste gas absorber (21) and heat exchanger (7) is installed and is provided with the 3rd motor-driven valve (83), the connecting line of its organic exhaust gas adsorption mouth end of waste gas absorber (21) and organic exhaust gas air exhauster (5) its air inlet is installed and is provided with the 4th motor-driven valve (84).
7. a kind of VOC organic waste gas concentrating treatment system as claimed in claim 1, it is characterized in that: its clean gas outlet end of exhaust gas adsorption device (2) is also connected with benefit air-cooler (9) by branch's connecting line with on the connecting line of heat exchanger (7), this benefit air-cooler (9) air inlet connects air-source, exhaust outlet is connected with the connecting line of its clean gas outlet end of exhaust gas adsorption device (2) and heat exchanger (7) by branch's connecting line, described branch connecting line is installed and is provided with the 5th motor-driven valve (85).
CN201520491919.5U 2015-07-09 2015-07-09 Concentrated processing system of VOC organic waste gas Expired - Fee Related CN204891534U (en)

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CN107497291A (en) * 2017-09-04 2017-12-22 合肥天翔环境工程有限公司 A kind of combustion-type VOC processing units
CN109499260A (en) * 2018-11-22 2019-03-22 常州回天新材料有限公司 Exhaust treatment system in solar battery back film production
CN111971108A (en) * 2018-03-09 2020-11-20 乔治洛德方法研究和开发液化空气有限公司 Adsorber having at least one cluster each comprising a plurality of adsorbent modules

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927993A (en) * 2016-06-14 2016-09-07 上海唯绿科技有限公司 Flow dividing oxygen adding type second-stage catalytic combustion system and method used for waste gas treatment
CN107497291A (en) * 2017-09-04 2017-12-22 合肥天翔环境工程有限公司 A kind of combustion-type VOC processing units
CN111971108A (en) * 2018-03-09 2020-11-20 乔治洛德方法研究和开发液化空气有限公司 Adsorber having at least one cluster each comprising a plurality of adsorbent modules
US11857911B2 (en) 2018-03-09 2024-01-02 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Adsorber with at least one cluster comprising a plurality of adsorbent modules
CN109499260A (en) * 2018-11-22 2019-03-22 常州回天新材料有限公司 Exhaust treatment system in solar battery back film production

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