CN103055695A - Waste gas purification method and device - Google Patents
Waste gas purification method and device Download PDFInfo
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- CN103055695A CN103055695A CN2011103188930A CN201110318893A CN103055695A CN 103055695 A CN103055695 A CN 103055695A CN 2011103188930 A CN2011103188930 A CN 2011103188930A CN 201110318893 A CN201110318893 A CN 201110318893A CN 103055695 A CN103055695 A CN 103055695A
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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
- 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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- 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 invention discloses a waste gas purification method. The purification method comprises steps of: first, spraying and washing the waste gas to effectively remove dust particles and partial water soluble pollutants in the waste gas; and second, conducting a photocatalytic oxidation treatment to oxidize and decompose harmful gas, such as benzenes, ketones, aldehydes and non-methane hydrocarbons, in waste gas, into pollution-free water and carbon dioxide, so as to obtain clean gas. In addition, the invention also discloses a waste gas purification device, which is characterized by comprising a spray scrubbing tower and a secondary purification tower; the spray scrubbing tower is connected with a gas outlet of the secondary purification tower; the spray scrubbing tower is provided with a spray atomizer; and the secondary purification tower is provided with a photocatalyst device and an ultraviolet lamp.
Description
Technical field:
The invention belongs to environmental technology field, definite saying relates to a kind of method for purifying and processing waste gas and device thereof.
Background technology:
At present, be applied to the organic waste-gas purification technique that the places such as paint spray booth, Painting Shop, chemical plant, pharmaceutical factory produce and mainly contain active carbon adsorption, catalytic combustion, low-temperature plasma etc.Active carbon adsorption exists resistance coefficient large, and Energy in use is large, the difficult support control of the saturation point of absorption, and adsorption capacity is little, the problems such as operating cost height.All there are hidden danger in catalytic combustion and low-temperature plasma technique, can cause blast and fire, and there is expensive, the easy poisoning of catalyst in catalytic combustion, and the catalytic combustion technology energy consumption is high, the shortcoming such as are difficult to start and keep; Still there is easy generation spark discharge in low-temperature plasma, and power consumption is high, organic substance decomposing is not exclusively waited not enough.
In recent years, the science of photocatalyst technology is used and is obtained new development, utilize the photocatalyst pollutants such as benzene,toluene,xylene, styrene, formaldehyde, acetic acid, ammonia, NMHC, volatile organic matter (TVOC) of can effectively degrading, decomposing pollutant as leaf, anion releasing, photocatalyst material itself can not change and loss, continuous purifying contaminated thing under the irradiation of light, the continuous action time is long, and safe and reliable, is emerging green material.
Summary of the invention:
Purpose of the present invention is exactly on the basis of present technology, and a kind of low energy consumption, simple and easy to operate, the processing method that can thoroughly purify various waste gas and the device of implementing the inventive method are provided.
The technical solution adopted for the present invention to solve the technical problems is as follows:
A kind of method for purifying and processing waste gas, comprise the steps: the first step, waste gas is carried out spray washing, add the natural plant liquid biology enzyme in the spray washing liquid, contain the compounds such as alkaloid, bio-alcohol, terpene in the natural plant liquid biology enzyme, spray washing liquid is atomized into the following drop of diameter 1 μ m, removes dust granules thing and part water soluble contaminants in the waste gas; Second step, the waste gas after spray washing is processed carry out the photocatalyst catalyzing, oxidizing and purifying to be processed, and the pernicious gases such as the benzene class in the waste gas, ketone, aldehydes, NMHC are oxidized, be decomposed into free of contamination water and carbon dioxide etc., thereby obtain clean gas.
A kind of exhaust gas purification and treatment device, comprise spray scrubber and secondary purification tower, the spray scrubber gas feed links to each other with the gas sampling pipeline, the spray scrubber gas vent is connected with the gas feed of secondary purification tower, be provided with spray atomizer in the spray scrubber, spray atomizer is atomized into drop below the diameter 1 μ m with spray washing liquid, be provided with ultraviolet lamp and photocatalyst device in the secondary purification tower, the surface of photocatalyst device is the anatase titanium dioxide coating, photocatalyst device is under the irradiation of uviol lamp, can produce a large amount of energetic ion active groups, secondary purification tower gas outlet arranges air exhausting device.
The beneficial effect that adopts apparatus of the present invention to implement method for purifying and processing waste gas of the present invention is:
Waste gas enters spray scrubber after pipeline is collected, the spray washing liquid through adding the natural plant liquid biology enzyme carries out spray washing, can remove dust granules thing and part water soluble contaminants in the waste gas; Contain the compounds such as alkaloid, bio-alcohol, terpene in the natural plant liquid biology enzyme, the natural plant liquid biology enzyme is by atomizing, and specific area increases, and increases than the table effect, has very strong activity, can remove the water-fast organic matter of part in the waste gas;
Waste gas after spray scrubber is processed enters the secondary purification tower again, photocatalyst device in the secondary purification tower is under the irradiation of ultraviolet lamp, can produce a large amount of energetic ion active groups, the pernicious gases such as the benzene class in the waste gas, ketone, aldehydes, NMHC are by rapidly oxidation, decomposition, generate free of contamination water and carbon dioxide etc., thereby obtain clean gas.
This scheme is applicable to organic exhaust gas that the places such as painting workshop, machine room, chemical plant, Electronics Factory, plastic molding and processing plant, pharmaceutical factory laboratory produce, dust, smog etc., and exhaust-gas treatment efficient is high, and operation and maintenance cost is low, safe non-secondary pollution.
Description of drawings
Fig. 1 is exhaust gas purification and treatment device structural representation of the present invention
The specific embodiment:
The present invention is further detailed explanation below in conjunction with drawings and Examples:
As shown in Figure 1, exhaust gas purification and treatment device comprises spray scrubber 1 and secondary purification tower 3, spray scrubber gas feed 11 links to each other with the gas sampling pipeline, spray scrubber gas vent 12 is connected with secondary purification tower gas feed 31, secondary purification tower gas vent 32 links to each other with chimney 4, and secondary purification tower gas vent 32 places arrange air exhausting device 5;
In the first step of spray scrubber 1 interior realization method for purifying and processing waste gas of the present invention, waste gas is carried out spray washing:
Be provided with spray atomizer 13 in the spray scrubber 1, spray atomizer 13 links to each other with circulating water pool 2 by suction pump, at circulating water pool 2 interior adding natural plant liquid biology enzymes, spray atomizer 13 is atomized into drop below the diameter 1 μ m with spray washing liquid, waste gas carries out spray washing after spray scrubber gas feed 11 enters spray scrubber 1, can remove dust granules thing and part water soluble contaminants in the waste gas; Contain the compounds such as alkaloid, bio-alcohol, terpene in the natural plant liquid biology enzyme, the natural plant liquid biology enzyme is by atomizing, and specific area increases, and increases than the table effect, has very strong activity, can remove the water-fast organic matter of part in the waste gas;
At the second step of secondary purification tower 3 interior realizations method for purifying and processing waste gas of the present invention, the waste gas after spray washing is processed is carried out the photocatalyst catalyzing, oxidizing and purifying processes:
Be provided with ultraviolet lamp 33 and photocatalyst device 34 in the secondary purification tower 3, the surface of photocatalyst device 34 is the anatase titanium dioxide coating, gas through spray washing enters in the secondary purification tower 3 from secondary purification tower gas feed 31, photocatalyst device 34 is under the irradiation of ultraviolet lamp 33, the anatase titanium dioxide coating is excited by light quantum at the electronics of valence band, transit to conduction band and form free electron, and form the hole of a positively charged in valence band, " electron-hole pair " has oxidisability and reproducibility simultaneously, with airborne H
2O, O
2Reaction produces the extremely strong free radical of oxidizing force, these free radicals are with the rapid oxidation of pernicious gas, decomposition such as the benzene class in the waste gas, ketone, aldehydes, NMHCs, generate free of contamination water and carbon dioxide etc., the clean gas that obtains is discharged to the external environment through chimney 4 from secondary purification tower gas vent 32.
Claims (4)
1. method for purifying and processing waste gas, it is characterized in that comprising: the first step, waste gas is carried out spray washing, add the natural plant liquid biology enzyme in the spray washing liquid, spray washing liquid is atomized into the following drop of diameter 1 μ m, removes dust granules thing and part water soluble contaminants in the waste gas; Second step, the waste gas after spray washing is processed carry out the photocatalyst catalyzing, oxidizing and purifying to be processed, and the pernicious gases such as the benzene class in the waste gas, ketone, aldehydes, NMHC are oxidized, be decomposed into free of contamination water and carbon dioxide etc., obtain clean gas.
2. a kind of method for purifying and processing waste gas according to claim 1 is characterized in that: contain the compounds such as alkaloid, bio-alcohol, terpene in the described natural plant liquid biology enzyme.
3. exhaust gas purification and treatment device, it is characterized in that: comprise spray scrubber (1) and secondary purification tower (3), spray scrubber gas feed (11) links to each other with the gas sampling pipeline, spray scrubber gas vent (12) is connected with secondary purification tower gas feed (31), be provided with spray atomizer (13) in the spray scrubber (1), spray atomizer (13) is atomized into drop below the diameter 1 μ m with spray washing liquid; Be provided with photocatalyst device (34) and ultraviolet lamp (33) in the secondary purification tower (3), secondary purification tower gas vent (32) locates to arrange air exhausting device (5).
4. a kind of exhaust gas purification and treatment device according to claim 3, it is characterized in that: the surface of described photocatalyst device (34) is the anatase titanium dioxide coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103188930A CN103055695A (en) | 2011-10-19 | 2011-10-19 | Waste gas purification method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103188930A CN103055695A (en) | 2011-10-19 | 2011-10-19 | Waste gas purification method and device |
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| CN103055695A true CN103055695A (en) | 2013-04-24 |
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| CN2011103188930A Pending CN103055695A (en) | 2011-10-19 | 2011-10-19 | Waste gas purification method and device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316572A (en) * | 2013-07-07 | 2013-09-25 | 合肥工业大学 | Device and method for purifying organic pollutants in gas through heterogeneous catalysis |
| CN103344012A (en) * | 2013-07-01 | 2013-10-09 | 天津市天人世纪科技有限公司 | Device and method for purifying air using biological enzymolysis |
| CN103463966A (en) * | 2013-08-15 | 2013-12-25 | 北京圣海林生态园林环境工程有限公司 | ISB integrated efficient biological deodorization apparatus |
| CN103585866A (en) * | 2013-11-01 | 2014-02-19 | 天津大学 | Device and method for purification treatment of gas of medical waste non-incineration treatment |
| CN103816559A (en) * | 2014-03-05 | 2014-05-28 | 常州大恒环保科技有限公司 | Deodorizing method adopting short-wave band high-energy ultraviolet light optical wave and equipment |
| CN104587817A (en) * | 2014-12-03 | 2015-05-06 | 曾玉成 | VOC decomposition composite-purifying processing apparatus and method |
| CN105289238A (en) * | 2015-12-09 | 2016-02-03 | 上海市政工程设计研究总院（集团）有限公司 | Intelligent compound malodorous gas treatment device with super-high efficiency |
| CN105964082A (en) * | 2016-07-04 | 2016-09-28 | 宜兴市永加化工有限公司 | Plant liquid spraying tower |
| CN106178945A (en) * | 2016-09-21 | 2016-12-07 | 东莞市金森工业机械有限公司 | A kind of plasma light catalytic control equipment |
| CN106492617A (en) * | 2016-12-15 | 2017-03-15 | 鹤山市江磁线缆有限公司 | A kind of enamel-covered wire exhaust-gas treatment liquid circulating device |
| CN107185393A (en) * | 2017-06-26 | 2017-09-22 | 佛山瀚兽环境科技服务有限公司 | Industrial VOC processing systems |
| CN107551802A (en) * | 2017-09-07 | 2018-01-09 | 南京中高知识产权股份有限公司 | A kind of waste gas purification environmental protection equipment |
| CN107694303A (en) * | 2017-10-19 | 2018-02-16 | 泉州市天龙环境工程有限公司 | The processing system and its handling process of a kind of volatile organic waste gas |
| CN108525497A (en) * | 2018-04-28 | 2018-09-14 | 广州紫科环保科技股份有限公司 | A kind of emission-control equipment and method of plastic granulator workshop |
| CN108800404A (en) * | 2018-06-25 | 2018-11-13 | 芜湖万向新元环保科技有限公司 | A kind of photocatalysis spray equipment |
| CN111269046A (en) * | 2020-03-24 | 2020-06-12 | 湖南绿捷环境科技有限公司 | Dry kibbling wet refuse treatment device of ultra-temperature fermentation |
| CN111888863A (en) * | 2020-07-22 | 2020-11-06 | 湖北东江环保有限公司 | Workshop dust gas treatment system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810877A (en) * | 2009-02-23 | 2010-08-25 | 郑承煜 | Nanometer photocatalytic plasma biological deodorization method and full automatic peculiar smell control deodorization system |
-
2011
- 2011-10-19 CN CN2011103188930A patent/CN103055695A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810877A (en) * | 2009-02-23 | 2010-08-25 | 郑承煜 | Nanometer photocatalytic plasma biological deodorization method and full automatic peculiar smell control deodorization system |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344012A (en) * | 2013-07-01 | 2013-10-09 | 天津市天人世纪科技有限公司 | Device and method for purifying air using biological enzymolysis |
| CN103344012B (en) * | 2013-07-01 | 2016-06-01 | 天津市天人世纪科技有限公司 | A kind of device and method utilizing biological enzymolysis purification air |
| CN103316572B (en) * | 2013-07-07 | 2015-09-02 | 合肥工业大学 | The device and method of organic pollution in a kind of heterogeneous catalysis Purge gas |
| CN103316572A (en) * | 2013-07-07 | 2013-09-25 | 合肥工业大学 | Device and method for purifying organic pollutants in gas through heterogeneous catalysis |
| CN103463966A (en) * | 2013-08-15 | 2013-12-25 | 北京圣海林生态园林环境工程有限公司 | ISB integrated efficient biological deodorization apparatus |
| CN103463966B (en) * | 2013-08-15 | 2016-03-30 | 北京圣海林生态环境科技股份有限公司 | ISB integrated high-efficiency biological deodorizing device |
| CN103585866A (en) * | 2013-11-01 | 2014-02-19 | 天津大学 | Device and method for purification treatment of gas of medical waste non-incineration treatment |
| CN103816559A (en) * | 2014-03-05 | 2014-05-28 | 常州大恒环保科技有限公司 | Deodorizing method adopting short-wave band high-energy ultraviolet light optical wave and equipment |
| CN104587817A (en) * | 2014-12-03 | 2015-05-06 | 曾玉成 | VOC decomposition composite-purifying processing apparatus and method |
| CN105289238B (en) * | 2015-12-09 | 2017-12-15 | 上海市政工程设计研究总院（集团）有限公司 | A kind of intelligent combined type foul gas processing unit of ultra high efficiency |
| CN105289238A (en) * | 2015-12-09 | 2016-02-03 | 上海市政工程设计研究总院（集团）有限公司 | Intelligent compound malodorous gas treatment device with super-high efficiency |
| CN105964082A (en) * | 2016-07-04 | 2016-09-28 | 宜兴市永加化工有限公司 | Plant liquid spraying tower |
| CN106178945A (en) * | 2016-09-21 | 2016-12-07 | 东莞市金森工业机械有限公司 | A kind of plasma light catalytic control equipment |
| CN106492617A (en) * | 2016-12-15 | 2017-03-15 | 鹤山市江磁线缆有限公司 | A kind of enamel-covered wire exhaust-gas treatment liquid circulating device |
| CN107185393A (en) * | 2017-06-26 | 2017-09-22 | 佛山瀚兽环境科技服务有限公司 | Industrial VOC processing systems |
| CN107551802A (en) * | 2017-09-07 | 2018-01-09 | 南京中高知识产权股份有限公司 | A kind of waste gas purification environmental protection equipment |
| CN107694303A (en) * | 2017-10-19 | 2018-02-16 | 泉州市天龙环境工程有限公司 | The processing system and its handling process of a kind of volatile organic waste gas |
| CN108525497A (en) * | 2018-04-28 | 2018-09-14 | 广州紫科环保科技股份有限公司 | A kind of emission-control equipment and method of plastic granulator workshop |
| CN108800404A (en) * | 2018-06-25 | 2018-11-13 | 芜湖万向新元环保科技有限公司 | A kind of photocatalysis spray equipment |
| CN111269046A (en) * | 2020-03-24 | 2020-06-12 | 湖南绿捷环境科技有限公司 | Dry kibbling wet refuse treatment device of ultra-temperature fermentation |
| CN111888863A (en) * | 2020-07-22 | 2020-11-06 | 湖北东江环保有限公司 | Workshop dust gas treatment system |
| CN111888863B (en) * | 2020-07-22 | 2022-03-11 | 湖北东江环保有限公司 | Workshop dust gas treatment system |
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Application publication date: 20130424 |