CN205164412U - VOCs waste gas integrated process device - Google Patents

VOCs waste gas integrated process device Download PDF

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Publication number
CN205164412U
CN205164412U CN201520938644.5U CN201520938644U CN205164412U CN 205164412 U CN205164412 U CN 205164412U CN 201520938644 U CN201520938644 U CN 201520938644U CN 205164412 U CN205164412 U CN 205164412U
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China
Prior art keywords
waste gas
unit
voc
treating device
gas integrated
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CN201520938644.5U
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Chinese (zh)
Inventor
王亚鹏
冒岩林
胡小鹏
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Hangzhou Qingren Environment Protection Technology Co Ltd
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Hangzhou Qingren Environment Protection Technology Co Ltd
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Abstract

The utility model relates to an exhaust treatment device, in particular to to VOCS exhaust treatment device belongs to environmental protection trade atmosphere and administers the field, the utility model provides a VOCS waste gas integrated process device, this VOCS waste gas of integrated process device includes that water sprays unit, filter unit, low temperature plasma unit, active carbon unit and draught fan, the the device range of application is wide, it is efficient to get rid of, stabilize to the purpose, with water spray, filtration, low temperature plasma, active carbon adsorption integrate integratedly, turns into harmless inorganic matters such as carbon dioxide with volatile organic contaminant, stabilizes discharge to reach standard.

Description

A kind of VOCs waste gas integrated treating device
Technical field
The utility model relates to a kind of emission-control equipment, is related specifically to VOC semission-control equipment, belongs to environmental protection industry (epi) air and administers field.
Background technology
VOC si.e. VOC, refers generally to volatile organic matter biology being had to harm.VOC in room air sexcessive concentration likely causes acute poisoning life threatening, and Long Term Contact can damage liver and nervous system or even bring out leukaemia.
China since Environmental Protection Department 2010 issues " instruction about advancing the work of atmosphere pollution groupcontrol to improve region air quality ", to VOC sthe improvement of waste gas is more and more paid attention to, " key area prevention and control of air pollution " 12 " planning " that in December, 2012 is issued, requires to carry out VOC to 2015 comprehensively swaste gas pollution control and treatment works, and carries out emphasis prevention and control to chemical industry, industry such as equipment application, packages printing etc.
According to the difference of pollution sources, industrial VOC swaste gas composition is extremely complicated and generation is large, how effectively to administer VOC swaste gas is that air administers the emphasis in field in recent years.Current industrial conventional VOC sexhaust gas treatment technology has recovery and destroys both direction, and as absorption method, absorb recovery technology owned by France, destroy technology then has the technology such as low-temperature plasma method, combustion method, photocatalytic method.Absorption method and absorption process are generally used for the VOC of middle low concentration sin exhaust-gas treatment, have investment low, run easy advantage, but need often to change absorbent and adsorbent, operation cost is high and easily produce secondary pollution; Low-temperature plasma method is particularly useful for the removal of stench, but the weak point that existence possibly cannot be degradable; Combustion method is applicable to the VOC of high concentration sexhaust-gas treatment, but easily produce the secondary pollutions such as bioxin and have certain security risk, investment operating cost is high; Photocatalytic method is applicable to low concentration gas, and deodorizing effect is good, but cannot process the industrial VOC of complicated component swaste gas, efficiency and stability all have much room for improvement.
To sum up, all there are respective pluses and minuses in independent VOCs waste gas pollution control and treatment technology, is difficult to ensure removal efficiency and stably reaching standard, a kind of VOC of the present utility model swaste gas integrated treating device is high by applied range, removal efficiency, stable good for the purpose of, Water spray, filtration, low-temperature plasma, charcoal absorption is integrated, volatile organic contaminant is converted into the inorganic matters such as harmless carbon dioxide, and stably reaching standard discharges.
Utility model content
A kind of VOC of the present utility model swaste gas integrated treating device is high by applied range, removal efficiency, stable good for the purpose of, Water spray, filtration, low-temperature plasma, charcoal absorption is integrated, volatile organic contaminant is converted into the inorganic matters such as harmless carbon dioxide, and stably reaching standard discharges.
The utility model specifically provides a kind of VOC swaste gas integrated treating device, this VOC swaste gas integrated treating device comprises Water spray unit, filter element, low-temperature plasma unit, activated charcoal unit and air-introduced machine;
Described Water spray unit, filter element, low-temperature plasma unit, activated charcoal unit and air-introduced machine are connected to form integrated apparatus successively.
Preferably, described VOC swater spray unit in waste gas integrated treating device comprises circulating pump, water circulation pipe, cyclic water tank, shower nozzle and demister, and described cyclic water tank, circulating pump, shower nozzle are connected by water circulation pipe successively, and described demister is arranged on shower nozzle top.
Preferably, described VOC sfilter element in waste gas integrated treating device comprises metal filter screen and filter cotton.
Preferably, described VOC slow-temperature plasma unit in waste gas integrated treating device includes electrode and the plasma switch board of high-frequency and high-voltage electric discharge.
Preferably, described VOC sthe dividing plate that the high efficiency active carbon that activated carbon filtration unit in waste gas integrated treating device comprises more than a piece or a piece is filled.
Preferably, described VOC sin waste gas integrated treating device, air-introduced machine is connected with chimney, and described chimney height is more than 15 meters.
Particularly,
The utility model is a kind of VOC swaste gas integrated treating device, will be mainly used in VOC in the heavy polluted industries such as furniture, rubber leather industry, spraying, press sthe udst separation of waste gas.Described device comprises a Water spray unit, a filter element, low-temperature plasma unit, an activated charcoal unit and an air-introduced machine.
This device comprises a Water spray unit.VOC swaste gas is under induced draft blower withdraws effect, Water spray unit is entered by air inlet, from bottom to top, simultaneously, recirculated water is sprayed by the shower nozzle adverse current being placed in top, by removals such as the big dust particle in waste gas, coating clouds, recirculated water is collected by cyclic water tank, constantly enters shower water parts to recycle by external circulating pump.The water smoke because of spray generation be mingled with in waste gas is removed by the demister at spray unit top.
This device comprises a filter element.Waste gas after spray process enters filter element, and this unit comprises a metal filtration and one deck filter cotton, first with metal filter screen elimination major part larger particles dust and drop, then filter cotton elimination granule dust, drop.
This device comprises an isothermal plasma cell.Low-temperature plasma unit mainly contains electrode and the plasma switch board of high-frequency and high-voltage electric discharge, and by the electrode of point discharge, electric discharge produces a large amount of high energy particle cleavable, ionization and oxidation VOC sorganic molecule in waste gas, makes it Non-toxic, innoxious, and deodorizing effect is obvious, is the most crucial unit of this cover treating apparatus.
This device comprises an activated carbon filtration unit.Activated carbon filtration unit plays safety effect in the entire system, the dividing plate of the high efficiency active carbon filling of some, being retained by the pollutant absorption thoroughly of not degraded by front end units of its high efficiency of additive capability, is that the last of integrated apparatus of the present utility model ensures together.
This device comprises air-introduced machine.Air-introduced machine is that system cloud gray model provides kinetic energy, ensure that the normal operation of system, will after treatment gas via chimney 15m high altitude discharge.
This VOC swaste gas integrated treating device has following technical advantage:
1, the integrated integrated equipment of described device, contains spray-absorption dedusting, dust removal by filtration, low-temperature plasma dedusting, charcoal absorption dedusting four class dedusting approach, learns wildly from other's strong points, and efficiency of dust collection is high, cover industry extensively and not easily produce secondary pollution.
2, described device initial investment expense is low, and later stage operation energy consumption is low, and cost performance is high.
3, described device operation is simple and clear, and process understands, does not need to drop into a large amount of manpower and material resources.
4. floor space is little.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Label declaration: 1, Water spray unit; 1-1, circulating pump; 1-2, water circulation pipe; 1-3, cyclic water tank; 1-4, shower nozzle; 1-5, demister; 1-6, air inlet; 2, filter element; 2-1, metal filter screen; 2-2, filter cotton; 3, low-temperature plasma unit; 4 activated charcoal unit; 5, air-introduced machine (containing airduct); 6, chimney.
Detailed description of the invention
Be described in further detail the utility model below in conjunction with embodiment, following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment
As shown in drawings, air-introduced machine 5 is placed in device tail end, and it is mainly used in overcoming voltage loss, ensure that the proper flow of gas in device inside and the outer row of gas.
VOC swaste gas enters described device by air inlet 1-6, and in Water spray unit 1, from the bottom up, shower nozzle 1-4, against jet-impingement recirculated water, removes big dust particle, coating cloud etc. in waste gas to waste gas.Recirculated water falls into cyclic water tank 1-3, to be returned in shower nozzle 1-4 by shower water force feed recycle by external circulating pump 1-1, water circulation pipe 1-2, and circulation is for several times to the not replaceable shower water in absorption rear of saturated of pollutant in spray water body.Because spray creates a large amount of water smoke, after will affecting, the purification efficiency of a unit, is provided with demister 1-5 in order to remove spray water mist on this unit top.
In filter element 2, gas, first via the filtration of metal filter screen 2-1, thereafter again through the filtration of filter pulp 2-2, makes filter effect reach best.In this unit, metal filter screen needs periodic cleaning and replacing, and filter cotton needs periodic replacement.This unit communicates with plasma cell, is evenly arranged enters plasma waste gas by porous plate, ensure that fully the contacting of gas and cleaning equipment,
In low-temperature plasma unit 3, the electrode in plasma column, under the effect of high voltage electric field, produces a large amount of high energy particles, can open VOC instantaneously sthe chemical bond of waste gas makes it to be decomposed into carbon dioxide and water etc. and stablizes harmless Small molecular, reaches the effect of high-efficient purification.Plasma column in this unit and electrode need periodic cleaning dedusting, and preventing from piling up because of particle affects discharge effect.This unit communicates with next unit many places.
In activated charcoal unit 4, placed polylith dividing plate, the block absorbent charcoal of the built-in high density of every block dividing plate, porous, gas by described dividing plate time by high efficiency active carbon deodourizing again.Described active carbon reach absorption saturated after need to change, and saturated for absorption rear active carbon is delivered to the harmless treatment of relevant qualification unit.
VOC swaste gas is through a kind of VOC of the utility model sfour procedure treatment and purification of waste gas integrated treating device, reach discharge standard, by air-introduced machine 5 via chimney 615m high altitude discharge.
In addition, it should be noted that, the specific embodiment described in this description, the shape, institute's title of being named etc. of its parts and components can be different.All equivalences of doing according to structure, feature and the principle described in the utility model inventional idea or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.

Claims (6)

1. a VOC swaste gas integrated treating device, is characterized in that: described VOC swaste gas integrated treating device comprises Water spray unit, filter element, low-temperature plasma unit, activated charcoal unit and air-introduced machine;
Described Water spray unit, filter element, low-temperature plasma unit, activated charcoal unit and air-introduced machine are connected to form integrated apparatus successively.
2. VOC according to claim 1 swaste gas integrated treating device, it is characterized in that: described Water spray unit comprises circulating pump, water circulation pipe, cyclic water tank, shower nozzle and demister, described cyclic water tank, circulating pump, shower nozzle are connected by water circulation pipe successively, and described demister is arranged on shower nozzle top.
3. VOC according to claim 1 swaste gas integrated treating device, is characterized in that: described filter element comprises metal filter screen and filter cotton.
4. VOC according to claim 1 swaste gas integrated treating device, is characterized in that: described low-temperature plasma unit includes electrode and the plasma switch board of high-frequency and high-voltage electric discharge.
5. VOC according to claim 1 swaste gas integrated treating device, is characterized in that: the dividing plate that the high efficiency active carbon that described activated carbon filtration unit comprises more than a piece or a piece is filled.
6. VOC according to claim 1 swaste gas integrated treating device, is characterized in that: described air-introduced machine is connected with chimney, and described chimney height is more than 15 meters.
CN201520938644.5U 2015-11-23 2015-11-23 VOCs waste gas integrated process device Active CN205164412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201520938644.5U CN205164412U (en) 2015-11-23 2015-11-23 VOCs waste gas integrated process device

Publications (1)

Publication Number Publication Date
CN205164412U true CN205164412U (en) 2016-04-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107174900A (en) * 2017-06-03 2017-09-19 曲振波 Flue dust paint mist treatment technological process
CN107297115A (en) * 2017-07-26 2017-10-27 广州仁廙环保技术有限公司 Cold plasma fusion technology exhaust treatment system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107174900A (en) * 2017-06-03 2017-09-19 曲振波 Flue dust paint mist treatment technological process
CN107297115A (en) * 2017-07-26 2017-10-27 广州仁廙环保技术有限公司 Cold plasma fusion technology exhaust treatment system and method

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