CN101745302B - Purification device for organic waste gas - Google Patents
Purification device for organic waste gas Download PDFInfo
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- CN101745302B CN101745302B CN201010113420A CN201010113420A CN101745302B CN 101745302 B CN101745302 B CN 101745302B CN 201010113420 A CN201010113420 A CN 201010113420A CN 201010113420 A CN201010113420 A CN 201010113420A CN 101745302 B CN101745302 B CN 101745302B
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- exhaust gas
- activated carbon
- purifier
- adsorption bed
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Abstract
The invention discloses a purification device for organic waste gas, which comprises a waste gas purification tower and is characterized in that the gas purification tower comprises a shell body. An ion body purifier and an activated carbon adsorption bed are arranged in the shell body, a waste gas inlet is arranged on the shell body and is positioned under the activated carbon adsorption bed, and the ion body purifier is positioned above the activated carbon adsorption bed. The activated carbon adsorption bed is provided with a packing layer, and an electric heating tube is arranged in the packing layer. The invention has the advantages of simple treatment process, high purification efficiency, small filling amount of activated carbon and simple regeneration process operation, and is applied to treat the unstable organic waste gas with large wind capacity and low concentration.
Description
Technical field
The present invention relates to a kind of purifier of organic exhaust gas, relate in particular to a kind of purifier that is applicable to the organic exhaust gas of handling big air quantity, low concentration, unstable organic exhaust gas.
Background technology
Industrial organic exhaust gas is of a great variety, composition is complicated, and fluctuation of concentration is big and change irregularly, and its improvement has big difficulty.
The purification treatment technology that existing cleaning equipment for waste organic gas adopts has Production by Catalytic Combustion Process, active carbon adsorption, condensation method, absorption process and plasma oxidation method etc.; Solved the pollution of organic exhaust gas to environment to a certain extent, but above purification treatment technology exists problems: Production by Catalytic Combustion Process is not suitable for the improvement of big air quantity, low concentration, unstable organic exhaust gas; Aftertreatment technologys such as acticarbon regeneration and solvent recovery are complicated; Range of application such as condensation method, absorption process is more limited; When the plasma oxidation method was handled big air quantity organic exhaust gas, gas was of short duration in the action of plasma zone time of staying, caused purification efficiency to reduce.
Summary of the invention
Technical problem to be solved by this invention provides a kind of being applicable to and handles big air quantity, low concentration, unsettled organic exhaust gas, and treatment process is simple, the purifier of the organic exhaust gas that purification efficiency is high.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of purifier of organic exhaust gas; Comprise Tower for purifying waste gas; Described Tower for purifying waste gas comprises housing, is provided with plasma purifier and activated carbon adsorption bed in the described housing, and described housing is provided with exhaust gas inlet; Described exhaust gas inlet is in described activated carbon adsorption bed below; Described plasma purifier is in described activated carbon adsorption bed top, and described activated carbon adsorption bed is provided with packing layer, is provided with electric heating tube in the described packing layer.
Described housing top is provided with concentrated aiutage.
Described Tower for purifying waste gas comprises air inlet pipeline, and described air inlet pipeline is in outside the described housing, and described air inlet pipeline is connected with described exhaust gas inlet, and described air inlet pipeline is provided with MOD, absorption blower fan and filter.
Described Tower for purifying waste gas comprises the desorption blower fan; Described desorption blower fan is in outside the described housing; The air intlet that is provided with on described desorption blower and pipeline and the described housing is connected, and described air intlet is between described plasma purifier and the described activated carbon adsorption bed.
Described activated carbon adsorption bed inside is provided with temperature element, and described temperature element is connected with the outer temperature controller of described Tower for purifying waste gas, and described activated carbon adsorption bed temperature range is 10-250 ℃.
Described active carbon is granular active carbon, honeycomb shape property charcoal alive or NACF.
Described packing layer is positioned at the bottom or the inside of described activated carbon adsorption bed, and described packing layer material is quartz sand, pottery or metallic particles.。
Described plasma purifier is flat-plate reactor or drum type brake reactor.
The discharge mode that described plasma adopts is the dielectric barrier discharge under the high-frequency and high-voltage power supply effect, corona discharge pulse or direct current glow discharge, and frequency range is 1-20kHz, and voltage range is 10-200kV.
Compared with prior art, the invention has the advantages that: because the exhaust gas inlet that is provided with on the housing of Tower for purifying waste gas is in the activated carbon adsorption bed below, plasma purifier is in the activated carbon adsorption bed top; Activated carbon adsorption bed is provided with packing layer, is provided with electric heating tube in the packing layer, and inside is provided with the temperature element that links to each other with outside temperature controller; When organic exhaust gas concentration was very high, active carbon can be adsorbed with organic pollutants, reduced the load impact of high concentration article on plasma body clarifier; And when low concentration or contamination-free, can temperature slowly be risen by setting program, desorption process takes place in the activated-charcoal column; Discharge adsorbed organic pollution, thereby reduce the fluctuation of organic exhaust gas concentration, realize the stable operation of plasma purifier; Significantly improve the treatment effect of plasma for purification, the potential safety hazard that reduction possibly exist; So applicable to the big air quantity of processing, low concentration, unsettled organic exhaust gas, and treatment process is simple, and purification efficiency is high;
Because air inlet pipeline is provided with MOD and filter; Organic exhaust gas is removed particle through filter; Can avoid particle that Tower for purifying waste gas is caused damage; And when activated carbon adsorption bed is in detachment status, closes MOD and can prevent that extraneous air-flow from getting into housing, influence the desorption and regeneration effect of active carbon; Because Tower for purifying waste gas comprises the desorption blower fan, can make activated carbon adsorption bed organic exhaust gas that discharges and the air that provides by the desorption blower fan mix the concentration that reduces organic exhaust gas, more help follow-up plasma for purification and handle;
The present invention has avoided in traditional active carbon absorption technology that the active carbon amount of fill is big, saturated activity charcoal desorption and regeneration needs problems such as a series of auxiliary equipment, has that the active carbon amount of fill is little, the regenerative process simple operation and other advantages.
Description of drawings
Fig. 1 is the structural representation of the purifier of organic exhaust gas of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Specific embodiment:
As shown in Figure 1; A kind of purifier of organic exhaust gas comprise Tower for purifying waste gas housing 1, be arranged on concentrated aiutage 2 on the housing 1, be arranged on plasma purifier 3 and the activated carbon adsorption bed 4 below the plasma purifier 3 in the housing 1; The inside of activated carbon adsorption bed 4 is provided with temperature element 14; Temperature element 14 is connected with outside temperature controller; The bottom is provided with quartz sand filler layer 5, is provided with electric heating tube 15 in the quartz sand filler layer 5, on housing 1, is provided with exhaust gas inlet 6; Exhaust gas inlet 6 is connected with the air inlet pipeline 7 of outside; Air inlet pipeline 7 flows to along waste gas and is disposed with MOD 8, absorption blower fan 9 and filter 10, and the air intlet 11 on Tower for purifying waste gas 1 housing is connected through pipeline 13 with outside desorption blower fan 12, and plasma purifier 3, electric heating tube 15, MOD 8, absorption blower fan 9, filter 10 and desorption blower fan 12 are connected with outside high voltage source switch board.Wherein active carbon employing granular active carbon, plasma purifier are flat-plate reactor, and the employing frequency is 10kHz, and voltage is the high-frequency and high-voltage power supply of 100kV, and the plasma discharge mode adopts dielectric barrier discharge.
The concrete course of work is following:
1, the collection of organic exhaust gas and preliminary treatment: with the centralized collection of organic exhaust gas, open MOD 8 and absorption blower fan 9, organic exhaust gas after 9 superchargings of absorption blower fan, through filter 10, gets into housing 1 bottom of integrated Tower for purifying waste gas through MOD 8;
2, the absorption of organic exhaust gas and purification: pretreated organic exhaust gas is upwards passed through quartz sand filler layer 5, activated carbon adsorption bed 4 and plasma purifier 3 successively from the bottom of housing 1; The part organic exhaust gas is by 4 absorption of acticarbon bed; Not by the organic exhaust gas of activated carbon adsorption bed absorption; Through plasma for purification reactor 3, after oxidation Decomposition is harmless composition, enter atmosphere through concentrating aiutage 2;
3, the desorption of active carbon and regeneration: when organic waste gas stops to discharge or the concentration of organic exhaust gas when very low; Close MOD 8 and absorption blower fan 9; Open desorption blower fan 12 and electric heating tube 15, the temperature of activated carbon adsorption bed 4 slowly raises by the temperature controller setting program, and the temperature of control activated carbon adsorption bed is 100 ℃; Evenly discharge the organic exhaust gas that has adsorbed; After the organic exhaust gas that discharges mixes with the air that is provided by desorption blower fan 12, be harmless composition by the plasma reactor oxidation Decomposition after, go into atmosphere through concentrating aiutage row 2.
The granular active carbon of active carbon in the foregoing description, can also be honeycomb shape property charcoal alive or NACF;
Packing layer is positioned in the foregoing description the activated carbon adsorption bed bottom can also be positioned at activated carbon adsorption bed inside, and the packing layer material can also be pottery or metallic particles the quartz sand in the foregoing description;
Plasma purifier can also be the drum type brake reactor except that the foregoing description middle plateform formula reactor;
The discharge mode that plasma adopts can also be corona discharge pulse or direct current glow discharge except that the foregoing description medium barrier discharge.
Claims (8)
1. the purifier of an organic exhaust gas comprises Tower for purifying waste gas, it is characterized in that: described Tower for purifying waste gas comprises housing; Be provided with plasma purifier and activated carbon adsorption bed in the described housing; Described housing is provided with exhaust gas inlet, and described exhaust gas inlet is in described activated carbon adsorption bed below, and described plasma purifier is in described activated carbon adsorption bed top; Described activated carbon adsorption bed is provided with packing layer; Be provided with electric heating tube in the described packing layer, described Tower for purifying waste gas comprises the desorption blower fan, and described desorption blower fan is in outside the described housing; The air intlet that is provided with on described desorption blower and pipeline and the described housing is connected, and described air intlet is between described plasma purifier and the described activated carbon adsorption bed.
2. the purifier of a kind of organic exhaust gas according to claim 1, it is characterized in that: described housing top is provided with concentrated aiutage.
3. the purifier of a kind of organic exhaust gas according to claim 1; It is characterized in that: described Tower for purifying waste gas comprises air inlet pipeline; Described air inlet pipeline is in outside the described housing; Described air inlet pipeline is connected with described exhaust gas inlet, and described air inlet pipeline is provided with MOD, absorption blower fan and filter.
4. the purifier of a kind of organic exhaust gas according to claim 1; It is characterized in that: described activated carbon adsorption bed inside is provided with temperature element; Described temperature element is connected with the outer temperature controller of described Tower for purifying waste gas, and described activated carbon adsorption bed temperature range is 10-250 ℃.
5. the purifier of a kind of organic exhaust gas according to claim 1, it is characterized in that: described active carbon is granular active carbon, Alveolate activated carbon capable or NACF.
6. the purifier of a kind of organic exhaust gas according to claim 1, it is characterized in that: described packing layer is positioned at the bottom or the inside of described activated carbon adsorption bed, and described packing layer material is quartz sand, pottery or metallic particles.
7. the purifier of a kind of organic exhaust gas according to claim 1, it is characterized in that: described plasma purifier is flat-plate reactor or drum type brake reactor.
8. according to the purifier of claim 1 or 7 described a kind of organic exhaust gas; It is characterized in that: the discharge mode that described plasma adopts is dielectric barrier discharge under the high-frequency and high-voltage power supply effect or corona discharge pulse; Frequency range is 1-20kHz, and voltage range is 10-200kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010113420A CN101745302B (en) | 2010-02-25 | 2010-02-25 | Purification device for organic waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010113420A CN101745302B (en) | 2010-02-25 | 2010-02-25 | Purification device for organic waste gas |
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| Publication Number | Publication Date |
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| CN101745302A CN101745302A (en) | 2010-06-23 |
| CN101745302B true CN101745302B (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010113420A Expired - Fee Related CN101745302B (en) | 2010-02-25 | 2010-02-25 | Purification device for organic waste gas |
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| CN101954236A (en) * | 2010-09-05 | 2011-01-26 | 江苏金能环境科技有限公司 | Processing process of maleic anhydride waste gas |
| CN102728193B (en) * | 2012-06-15 | 2014-04-30 | 西安建筑科技大学 | Low temperature plasma integrated purification plant and method for industrial organic waste gas |
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| EP3204469B1 (en) * | 2014-10-09 | 2019-08-14 | Basf Se | Process for purification of organic composition |
| CN104492249B (en) * | 2014-12-29 | 2016-04-20 | 中国科学院广州能源研究所 | A kind of plasma dry fume desulphurization method |
| CN104772005B (en) * | 2015-04-10 | 2016-08-24 | 浙江大学 | Conduction charcoal binding plasma electric discharge concentrates degradable organic pollutant device and method |
| CN106194335A (en) * | 2015-05-04 | 2016-12-07 | 黄斌 | A kind of automobile exhaust gas purifying installation |
| DE102015212040B4 (en) * | 2015-06-29 | 2018-03-01 | E.G.O. Elektro-Gerätebau GmbH | Process for the regeneration of a VOC adsorber |
| CN105617828B (en) * | 2016-03-11 | 2018-01-30 | 江苏联通纪元印务股份有限公司 | A kind of cigarette pack prints VOC waste gas cleaning systems |
| CN105536469B (en) * | 2016-03-11 | 2018-01-30 | 江苏联通纪元印务股份有限公司 | A kind of low stain cigarette pack prints VOC processing units |
| CN105727674A (en) * | 2016-03-24 | 2016-07-06 | 宁波高新区美斯特科技有限公司 | Waste gas treatment purifying system of 3D printer |
| CN106110844B (en) * | 2016-07-08 | 2019-02-19 | 唐山德业节能环保科技有限公司 | A kind of emission-control equipment for outdoor air purification |
| CN106512641A (en) * | 2016-12-03 | 2017-03-22 | 福建众辉环保设备有限公司 | Purifying device for organic exhaust gas |
| CN109432893A (en) * | 2018-12-27 | 2019-03-08 | 机械工业第六设计研究院有限公司 | Separate type spray painting organic exhaust gas VOCs modularization controlling device |
| CN109999694A (en) * | 2019-04-10 | 2019-07-12 | 张芙蓉 | A kind of preparation process and device of novel air scavenging material |
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| JP2001252522A (en) * | 2000-03-09 | 2001-09-18 | Nissin Electric Co Ltd | Electric discharge gas treatment apparatus and discharge gas treatment method |
| CN201337870Y (en) * | 2008-12-08 | 2009-11-04 | 裴登明 | Paint mist purifying device |
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|---|---|---|---|---|
| JP2001314730A (en) * | 2000-05-11 | 2001-11-13 | E Tec:Kk | METHOD AND DEVICE FOR REDUCING NOx |
| CN1168521C (en) * | 2002-04-09 | 2004-09-29 | 左莉 | Apparatus and process for cleaning gas |
| CN1691966A (en) * | 2002-08-07 | 2005-11-02 | 通达商业集团国际公司 | Nonthermal plasma air treatment system |
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| CN101745302A (en) | 2010-06-23 |
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