CN104524966B - A kind of spraying exhaust gas biological purifying combination treatment method - Google Patents
A kind of spraying exhaust gas biological purifying combination treatment method Download PDFInfo
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- CN104524966B CN104524966B CN201410722698.8A CN201410722698A CN104524966B CN 104524966 B CN104524966 B CN 104524966B CN 201410722698 A CN201410722698 A CN 201410722698A CN 104524966 B CN104524966 B CN 104524966B
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- filler
- mud
- waste gas
- cellucotton
- spraying
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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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- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of spraying exhaust gas biological purifying combination treatment method, it comprises the following steps: spraying waste gas is passed through the cellucotton defecator cotton equipped with glass fiber filter by (1)；(2) waste gas after glass fiber filtration apparatus filters being sent in the way of bottom in and top out the reactor equipped with filler and carries out biofiltration, autoreactor top carries out nutritional solution with the type of flow from top to bottom to filler and sprays to provide other elements beyond the carbon source needed for growth of microorganism simultaneously.It is an advantage of the current invention that: the major pollutants such as can efficiently remove the coating cloud produced in painting process and toluene, dimethylbenzene, NMHC are waved.
Description
Technical field
The present invention relates to technical field of environmental management, spray waste gas combined treatment process particularly to one.
Background technology
The spraying industry such as automotive lacquer, furniture application can produce substantial amounts of coating coating cloud in production engineering, and waste gas
In containing the volatile organic gas (VOCs) such as the toluene of higher concentration, dimethylbenzene and NMHC.
These VOCs not only produce stimulation, serious threat human health, and the alkene in organic compound to human body
Hydrocarbon and some arene compound, in an atmosphere, under the effect of sunlight, it is also possible to reacting with nitrogen oxides forms Lip river China fir
The photochemical fog of rock type or industrial photochemical fog, cause secondary pollution, damage ecological environment.Therefore, for
The process of coating cloud and volatile organic gas produced by spraying industry seems the most urgent.
At present, mainly in the majority with physico-chemical process to the treatment technology of VOC, main active charcoal
Absorption method, Physical Absorption method, Production by Catalytic Combustion Process and membrane absorption method.Additionally, Biological fitler method has removal effect due to it in recent years
Rate is high, operating cost is low and the advantage such as less formation secondary pollution is by extensive concern.
Biological fitler method mainly by high efficiency packing rapid mass transfer, the characteristic of absorption and the specific function of microorganism,
Make waste gas quickly enter filling surface, contact with microorganism, thus by VOCs mass degradation or change into some harmless or low evils
Class material.But, utilize single bio-filter technology that spraying waste gas is processed and be unable to reach good removal effect.Main
If because spray present in spraying waste gas not only to reduce the removal effect of biofiltration device, and can be to the machine of device
Body causes abrasion and corrosion.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that a kind of can efficiently remove in painting process produce
The spraying exhaust gas biological purifying combination treatment method of the major pollutants such as coating cloud and toluene, dimethylbenzene, NMHC.
In order to achieve the above object, the technical solution used in the present invention is:
The a kind of of the present invention sprays exhaust gas biological purifying combination treatment method, and it comprises the following steps:
(1) spraying waste gas is passed through the cellucotton defecator cotton equipped with glass fiber filter；
(2) waste gas after cellucotton defecator filters is sent into the reactor equipped with filler in the way of bottom in and top out
Carrying out biofiltration, autoreactor top carries out the spray of nutritional solution to provide with the type of flow from top to bottom to filler simultaneously
Other elements beyond carbon source needed for growth of microorganism；
The preparation method of described filler comprises the following steps:
A () takes sewage disposal plant aeration tank activated sludge；
B () was by mud aeration every day 6-10 hour, and add the medicine being made up of benzene and dimethylbenzene and tame mud,
Described benzene, the percent by volume of dimethylbenzene are 1:1-1:1.5, and described mud is 60:1-80:1 with the volume ratio of medicine；
After taming 15-20 days, mud is injected biofiltration reactor with high-efficiency activated carbon mixture, make mud hang at activated carbon surface
Film, as filler；
Described nutrient solution prescription is in terms of grams per liter, composed of the following components:
It is an advantage of the current invention that: (1) combines the kinds of processes technology such as filtration, biodegradation and activated carbon adsorption, energy
Efficiently remove the major pollutants such as the coating cloud produced in painting process and toluene, dimethylbenzene, NMHC；(2) have very well
Adaptability, be suitable for high concentration, atm number, the purified treatment of different gaseous material；(3) process operation is simple to operate, it is easy to
Safeguard, reduce expense.(4) microorganism colonization method easily realizes, beneficially growth of microorganism, complete gas quick adsorption,
Mass transport process, meanwhile, microbial nutrient solution preparation method is simple, with low cost, easy to operate, can provide comprehensively battalion to microorganism
Support.
Accompanying drawing explanation
Accompanying drawing is a kind of process chart spraying exhaust gas biological purifying combination treatment method of the present invention.
Detailed description of the invention
Describe the present invention below in conjunction with specific embodiment.
The a kind of of the present invention sprays exhaust gas biological purifying combination treatment method as shown in drawings, and it comprises the following steps:
(1) spraying waste gas is passed through the cellucotton defecator 1 cotton equipped with glass fiber filter；(2) will be through cellucotton defecator mistake
Waste gas after filter is sent into the reactor 2 equipped with filler in the way of bottom in and top out and is carried out biofiltration, simultaneously autoreactor top
With the type of flow from top to bottom filler carried out the spray of nutritional solution 3 with provide beyond the carbon source needed for growth of microorganism its
His element；
The preparation method of described filler comprises the following steps:
A () takes sewage disposal plant aeration tank activated sludge；
B () was by mud aeration every day 6-10 hour, and add the medicine being made up of benzene and dimethylbenzene and tame mud,
Described benzene, the percent by volume of dimethylbenzene are 1:1-1:1.5, and described mud is 60:1-80:1 with the volume ratio of medicine；
After taming 15-20 days, mud is injected biofiltration reactor with high-efficiency activated carbon mixture, make mud hang at activated carbon surface
Film, as filler；
Described nutrient solution prescription is in terms of grams per liter, composed of the following components:
The preparation method of described nutritional solution is: by nutrient solution prescription mix homogeneously.
The device realizing the inventive method can include the cellucotton defecator 1 cotton equipped with glass fiber filter, in institute
The bottom of the cellucotton defecator 1 stated has spraying exhaust gas inlet and has spraying on the top of cellucotton defecator 1
Waste gas outlet, described spraying waste gas outlet is connected by the import of waste gas pipeline with the reactor equipped with filler, described
The import of reactor be arranged in the reactor shell of filler bottom of reactor, on the filler top of described reactor
In reactor shell, regulate the flow of vital energy outlet in the place of having, and in described reactor, filler top is provided with spray equipment, described spray
Device is connected with the storage tank equipped with nutritional solution 3, in end face and the bottom surface of described filler by the spray piping equipped with dosing pump
On be respectively arranged with water distributing plate and supporting layer, be respectively used to water distribution uniformity and support filler.
Embodiment 1
(1) spraying waste gas is passed through the cellucotton defecator cotton equipped with glass fiber filter；(2) will filter through cellucotton
Waste gas after device filtration is sent into the reactor equipped with filler in the way of bottom in and top out and is carried out biofiltration, simultaneously autoreactor
Top carries out the spray of nutritional solution 3 to provide beyond the carbon source needed for growth of microorganism with the type of flow from top to bottom to filler
Other elements；
The preparation method of described filler comprises the following steps:
A () takes sewage disposal plant aeration tank activated sludge；
B () was by mud aeration every day 6 hours, and add the medicine being made up of benzene and dimethylbenzene and tame mud, institute
Benzene, the percent by volume of dimethylbenzene stated are 1:1, and described mud is 80:1 with the volume ratio of medicine；Will after taming 17 days
Mud and high-efficiency activated carbon mixture inject biofiltration reactor, make mud in activated carbon surface biofilm, as filler；
Described nutrient solution prescription is in terms of grams per liter, composed of the following components:
The preparation method of described nutritional solution is: by nutrient solution prescription mix homogeneously.
Use this method, process certain paint spray booth waste gas.Average exhaust amount is 14000m3/ h, in aerofluxus, TVOC concentration is
500-650mg/m3, after using cellucotton filtration-biofiltration combined treatment process to process, exit TVOC concentration is
50-75mg/m3, clearance reaches more than 85%.
Embodiment 2
(1) spraying waste gas is passed through the cellucotton defecator cotton equipped with glass fiber filter；(2) will filter through cellucotton
Waste gas after device filtration is sent into the reactor equipped with filler in the way of bottom in and top out and is carried out biofiltration, simultaneously autoreactor
Top carries out the spray of nutritional solution 3 to provide beyond the carbon source needed for growth of microorganism with the type of flow from top to bottom to filler
Other elements；
The preparation method of described filler comprises the following steps:
A () takes sewage disposal plant aeration tank activated sludge；
B () was by mud aeration every day 8 hours, and add the medicine being made up of benzene and dimethylbenzene and tame mud, institute
Benzene, the percent by volume of dimethylbenzene stated are 1:1.5, and described mud is 60:1 with the volume ratio of medicine；After taming 15 days
Mud and high-efficiency activated carbon mixture are injected biofiltration reactor, make mud in activated carbon surface biofilm, as filler；
Described nutrient solution prescription is in terms of grams per liter, composed of the following components:
The preparation method of described nutritional solution is: by nutrient solution prescription mix homogeneously.
Use this method: process air quantity is 16000m3Certain painting workshop waste gas of/h, TVOC concentration is 350-450mg/m3,
After cellucotton filtration-biofiltration combined treatment process processes, TVOC concentration is about 32mg/m3, clearance reaches 91%-
93%.
Embodiment 3
(1) spraying waste gas is passed through the cellucotton defecator cotton equipped with glass fiber filter；(2) will filter through cellucotton
Waste gas after device filtration is sent into the reactor equipped with filler in the way of bottom in and top out and is carried out biofiltration, simultaneously autoreactor
Top carries out the spray of nutritional solution 3 to provide beyond the carbon source needed for growth of microorganism with the type of flow from top to bottom to filler
Other elements；
The preparation method of described filler comprises the following steps:
A () takes sewage disposal plant aeration tank activated sludge；
B () was by mud aeration every day 10 hours, and add the medicine being made up of benzene and dimethylbenzene and tame mud, institute
Benzene, the percent by volume of dimethylbenzene stated are 1:1.05, and described mud is 72:1 with the volume ratio of medicine；After taming 20 days
Mud and high-efficiency activated carbon mixture are injected biofiltration reactor, make mud in activated carbon surface biofilm, as filler；
Described nutrient solution prescription is in terms of grams per liter, composed of the following components:
The preparation method of described nutritional solution is: by nutrient solution prescription mix homogeneously.
Use this method: process certain timber and process the waste gas of paint shop.It is 40000m that this workshop produces waste gas air quantity3/
H, TVOC concentration is 500-650mg/m3, after cellucotton filtration-biofiltration combined treatment process processes, exit TVOC is dense
Degree is 35-80mg/m3, TVOC clearance reaches 85%-95%.
Claims (1)
1. a spraying exhaust gas biological purifying combination treatment method, it is characterised in that it comprises the following steps:
(1) spraying waste gas is passed through the cellucotton defecator cotton equipped with glass fiber filter；
(2) waste gas after cellucotton defecator filters is sent in the way of bottom in and top out the reactor equipped with filler to carry out
Biofiltration, autoreactor top carries out the spray of nutritional solution to provide micro-life with the type of flow from top to bottom to filler simultaneously
Other elements beyond carbon source needed for thing growth；
The preparation method of described filler comprises the following steps:
A () takes sewage disposal plant aeration tank activated sludge；
B () was by mud aeration every day 6-10 hour, and add the medicine being made up of benzene and dimethylbenzene and tame mud, described
Benzene, the percent by volume of dimethylbenzene be 1:1-1:1.5, the volume ratio of described mud and medicine is 60:1-80:1；Domestication
After 15-20 days, mud is injected biofiltration reactor with high-efficiency activated carbon mixture, make mud in activated carbon surface biofilm, make
For filler；
Described nutrient solution prescription is in terms of grams per liter, composed of the following components:
。
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| CN201410722698.8A CN104524966B (en) | 2014-12-02 | 2014-12-02 | A kind of spraying exhaust gas biological purifying combination treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722698.8A CN104524966B (en) | 2014-12-02 | 2014-12-02 | A kind of spraying exhaust gas biological purifying combination treatment method |
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| Publication Number | Publication Date |
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| CN104524966A CN104524966A (en) | 2015-04-22 |
| CN104524966B true CN104524966B (en) | 2016-08-24 |
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Families Citing this family (1)
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| CN104826483B (en) * | 2015-05-25 | 2017-01-04 | 永康市禄祥环保科技有限公司 | Biological purification method for paint spraying waste gas and organic waste gas |
Citations (7)
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| US20040219657A1 (en) * | 2003-04-29 | 2004-11-04 | National Chiao Tung University | System and process for treating waste gas employing bio-treatment technology |
| CN1745883A (en) * | 2004-09-11 | 2006-03-15 | 中国石油化工股份有限公司 | Purification for stink and organic waste gas |
| CN101058055A (en) * | 2007-06-01 | 2007-10-24 | 哈尔滨工业大学 | Biologically deodorizing method |
| CN101259367A (en) * | 2008-04-17 | 2008-09-10 | 东北电力大学 | Technique and device for simultaneously removing malodor of multiple gas mixture |
| CN101264421A (en) * | 2008-03-20 | 2008-09-17 | 湖南大学 | Biological filtering device for treating toluene gas |
| JP2009106805A (en) * | 2007-10-26 | 2009-05-21 | Hitachi Plant Technologies Ltd | Voc gas treatment method |
| CN202569894U (en) * | 2012-06-12 | 2012-12-05 | 中国国际海运集装箱(集团)股份有限公司 | Painting organic waste gas recovery processing device |
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2014
- 2014-12-02 CN CN201410722698.8A patent/CN104524966B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040219657A1 (en) * | 2003-04-29 | 2004-11-04 | National Chiao Tung University | System and process for treating waste gas employing bio-treatment technology |
| CN1745883A (en) * | 2004-09-11 | 2006-03-15 | 中国石油化工股份有限公司 | Purification for stink and organic waste gas |
| CN101058055A (en) * | 2007-06-01 | 2007-10-24 | 哈尔滨工业大学 | Biologically deodorizing method |
| JP2009106805A (en) * | 2007-10-26 | 2009-05-21 | Hitachi Plant Technologies Ltd | Voc gas treatment method |
| CN101264421A (en) * | 2008-03-20 | 2008-09-17 | 湖南大学 | Biological filtering device for treating toluene gas |
| CN101259367A (en) * | 2008-04-17 | 2008-09-10 | 东北电力大学 | Technique and device for simultaneously removing malodor of multiple gas mixture |
| CN202569894U (en) * | 2012-06-12 | 2012-12-05 | 中国国际海运集装箱(集团)股份有限公司 | Painting organic waste gas recovery processing device |
Non-Patent Citations (1)
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| 温度对生物过滤塔填料层含水率和运行性能的影响;孔鑫等;《环境科学学报》;20131031;第33卷(第10期);第2705页至2710页 * |
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| CN104524966A (en) | 2015-04-22 |
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