CN201482379U - High-efficiency combined type foul smell and VOC waste gas treatment device - Google Patents
High-efficiency combined type foul smell and VOC waste gas treatment device Download PDFInfo
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- CN201482379U CN201482379U CN2009201349300U CN200920134930U CN201482379U CN 201482379 U CN201482379 U CN 201482379U CN 2009201349300 U CN2009201349300 U CN 2009201349300U CN 200920134930 U CN200920134930 U CN 200920134930U CN 201482379 U CN201482379 U CN 201482379U
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Abstract
The utility model relates to a high-efficiency combined type foul smell and VOC waste gas treatment device, which comprises a gas inlet and a gas outlet, wherein an absorption unit, an ultraviolet cracking unit and an electrolytic oxidation unit with connected air ports are arranged between the gas inlet and the gas outlet. The high-efficiency combined type foul smell and VOC waste gas treatment device organically combines the absorption unit, the ultraviolet cracking unit and the electrolytic oxidation unit and performs advantage complementation on the absorption unit, the ultraviolet cracking unit and the electrolytic oxidation unit, thereby improving the treatment efficiency and the treatment stability, and reducing the energy consumption.
Description
[technical field]
The utility model relates to emission-control equipment, relates in particular to a kind of efficient composite stench and VOC emission-control equipment.
[background technology]
VOC is meant VOC (volatile organic compounds), generally be also referred to as volatile organic waste gas, health there is tremendous influence, when the VOC in the room reaches finite concentration, in short time people can feel headache, feel sick, vomiting, weak etc., can have a convulsion, go into a coma when serious, and can hurt people's liver, kidney, brain and nervous system, cause serious consequences such as failure of memory.
Along with industrial expansion, the discharge capacity of volatile organic waste gas (VOC), foul gas increases sharply, and its governing problem is paid attention to by people day by day.Volatile organic waste gas, foul gas kind are many, often form complicated, concentration and are irregular variation, and this has just brought difficulty to improvement.At present both at home and abroad in the VOC processing method that adopts, Production by Catalytic Combustion Process is because of the purification efficiency height, and technology is simple, is most widely used a kind of, and many domestic devices are also arranged.But it is big that its subject matter is energy consumption, and the few energy consumption of recuperation of heat amount was bigger when especially exhaust gas concentration was low; The not good grade of the big adaptability of change in concentration has also limited its application in addition.Thereby the engineering instream factor is not high.The recyclable solvent of absorption method, but shortcoming to be adsorbent capacity limited and equipment is huge, post processing engineering complexity such as adsorbent reactivation and solvent recovery.Other improvement method also has condensation method, absorption process etc.These methods generally all need more equipment, bigger energy consumption and higher operating cost, and some can cause secondary pollution, simultaneously, because pollution sources mostly are local uncontrollable discharge source, many times be the short time, paroxysmal, be difficult to catch and collect, also brought difficulty to improvement.
In the processing method that adopts, foul gas is handled common method biological decomposition method, active carbon adsorption, plasma method, plant flushing liquor deodorization process and and the UV photodissociation method of purification both at home and abroad.
Biological decomposition method is to utilize circulating water flow that polluter in the foul gas is dissolved in the water, turn out microorganism by culture bed in the water again, degradation of pollutant in the water is low harmful substances, odor removal efficient can reach 70%, but influenced by microbial activity, cultivate the microorganism that comes out and to handle the gas of one or more close character, for improving treatment effeciency and stable operation, must frequently add medicament, control pH value, temperature etc., operating cost compares higher like this, drop into manually also many, in case and biology death will need the long period to cultivate again.
Active carbon adsorption is to utilize the prosperity of active carbon internal voids structure, there is huge specific area principle to adsorb foul gas molecule by the active carbon pond, the initial stage treatment effeciency can reach 65%, but promptly loses efficacy after saturated, needs often to change, and need searching to discard the treating method of activated carbon, operation expense is very high, is applicable to low concentration, big air quantity gas, and is more obvious to alcohols, fats effect, but the waste gas DeGrain of high humidity, and cause secondary environmental pollution easily.
Plasma method is to utilize high-field electrode emitting ions and electronics, destroy the principle of malodor molecule structure, malodor molecule in the bombardment waste gas, thereby cracking malodor molecule, foul gas clean-up effect to low concentration is obvious, can reach under normal operation more than 80%, can handle the mist that multiple foul smell is fully formed, be not subjected to the influence of humidity, and non-secondary pollution; But power consumption is big, and also needs deashing, and the operation expense height very easily sets off an explosion to the high concentration flammable explosive gas.
Plant flushing liquor deodorization process is by spraying plant extraction liquid to the space that produces foul gas foul gas to be neutralized, absorbs, reach the purpose of deodorization, the deodorizing effect low concentration can reach 50%, different foul smell is selected different flushing liquors, need often to add the plant flushing liquor, and need service equipment, the operation and maintenance cost height easily causes secondary pollution.
The UV photodissociation method of purification adopts high energy UV ultraviolet ray, in the photodissociation cleaning equipment, and pyrolysis oxidization odorant strand, change the structure of matter, with the cracking of macromolecule polluter, be oxidized to low molecule innocuous substance, but need be than large space and than multiplied unit, investment and operation expense height.
Therefore, economical, administer the light-concentration volatile organic exhaust gas efficiently, except that improving traditional monotechnics, the new complex technique of exploitation of still needing.
[utility model content]
For solving the single of traditional exhaust gas treatment technology, the utility model provides a kind of efficient composite stench and VOC emission-control equipment.
The technological means that its technical problem that solves the utility model adopts is: a kind of efficient composite stench and VOC emission-control equipment are provided, comprise air inlet and exhaust outlet, be provided with absorbing unit, ultraviolet cracking unit and electrolytic oxidation unit that the air port joins between described air inlet and the exhaust outlet.
Further improvement of the utility model is: described absorbing unit is an activated carbon adsorption unit.
Further improvement of the utility model is: described electrolytic oxidation unit is the high-pressure electrolysis oxidation unit.
Further improvement of the utility model is: be provided with rearmounted absorbing unit before the described exhaust outlet.
Further improvement of the utility model is: be provided with supporting reclaim equiment between described exhaust outlet and the described air inlet, described supporting reclaim equiment comprises circulation air port and controller, and described controller is connected with air inlet, exhaust outlet and circulation air port respectively.
Further improvement of the utility model is: be provided with the blower fan that exhaust is used before the described exhaust outlet.
Compared with prior art, the beneficial effects of the utility model are: pass through such scheme, utilize absorbing unit, ultraviolet cracking unit and electrolytic oxidation unit to organically combine, had complementary advantages in absorbing unit, ultraviolet cracking unit and electrolytic oxidation unit, improve the stability of treatment effeciency and processing, reduced energy consumption.
[description of drawings]
Fig. 1 is the overall structure schematic diagram of the utility model efficient composite stench and VOC emission-control equipment;
Fig. 2 is the process flow diagram of the utility model efficient composite stench and VOC emission-control equipment.
[specific embodiment]
Below in conjunction with accompanying drawing the utility model is described in further detail: in conjunction with Fig. 1 to Fig. 2, a kind of efficient composite stench and VOC emission-control equipment, comprise air inlet, exhaust outlet and shell 1, described shell 1 integral body is made of inside and outside metal or anticorrosion sheet material, adopt insulator foot, the internal and external electrode dielectric all is fixed on the insulator foot, enclosure is provided with absorbing unit 2, ultraviolet cracking unit 3 and the electrolytic oxidation unit 4 that the air port joins, absorbing unit 2, ultraviolet cracking unit 3 and electrolytic oxidation unit 4 three parts are combined closely, and form integrated design.
Wherein, absorbing unit 2 can be selected activated carbon adsorption unit for use, mainly carry out physical absorption, in processing procedure, utilize the prosperity of active carbon internal voids structure on the one hand, there is huge specific area to adsorb foul gas molecule, VOC waste gas by the active carbon pond, Balance Treatment concentration in the time of can or reducing in the exhaust gas concentration rising on the other hand, adsorb a large amount of molecules when being high concentration, discharge in the adsorption layer the easily top layer molecule of desorption during low concentration, for the cracking of next step ultraviolet cracking unit 3 creates conditions.
Wherein, ultraviolet ray cracking unit 3 is also referred to as UV cracking unit, select high energy ultraviolet ray cracking unit for use, the high energy of high energy ultraviolet ray cracking unit by using ultraviolet light wave, cracking organic polymer chain, as benzene class, ammonia, first sulphur compound etc., and molecular link and the DNA of bacterium in the foul gas, for the oxidation reaction of next step electrolytic oxidation unit 4 creates conditions.
Wherein, electrolytic oxidation unit 4 can be selected the high-pressure electrolysis oxidation unit for use, the high-pressure electrolysis oxidation unit produces a large amount of high energy active oxygen ions, utilize its powerful oxidisability oxidation of organic compounds matter in the extremely short time, it is degraded to odorless, harmless low molecular compound, reaches the purpose of purification.
Rearmounted absorbing unit 5 can be set before exhaust outlet, make through the gas after absorbing unit 2, ultraviolet cracking unit 3 and electrolytic oxidation unit 4 three section processes further to purify.The blower fan 7 that air draft is used can also be set between rearmounted absorbing unit 5 and exhaust outlet, strengthen the air draft effect.
Supporting reclaim equiment 6 can be set between exhaust outlet and air inlet, can select the supporting reclaim equiment 6 of automatic control for use, described supporting reclaim equiment 6 comprises circulation air port and controller, described controller is connected with air inlet, exhaust outlet and circulation air port respectively, automatically open and close, adjust into and out of reaching the circulation air port, timing desorption and regeneration, recovery time weak point by controller, the efficient height, desorption is thorough.Guarantee the long-term disposal effect of efficient composite stench and VOC emission-control equipment.
The utility model passes through such scheme, utilize absorbing unit 2, ultraviolet cracking unit 3 and electrolytic oxidation unit 4 to carry out the combination of science, make it bring into play the advantage of each unit, are had complementary advantages in absorbing unit 2, ultraviolet cracking unit 3 and electrolytic oxidation unit 4 in friendship, the use limitation of single PROCESS FOR TREATMENT and high operating cost, clean-up effect instability problem have been overcome, engineering use cost and disposal ability obtain desirable balance, improve the stability of treatment effeciency and processing, reduced energy consumption.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. efficient composite stench and VOC emission-control equipment comprise air inlet and exhaust outlet, it is characterized in that: be provided with absorbing unit (2) that the air port joins, ultraviolet cracking unit (3) and electrolytic oxidation unit (4) between described air inlet and the exhaust outlet.
2. according to described efficient composite stench of claim 1 and VOC emission-control equipment, it is characterized in that: described absorbing unit (2) is activated carbon adsorption unit.
3. according to described efficient composite stench of claim 1 and VOC emission-control equipment, it is characterized in that: described electrolytic oxidation unit (4) is the high-pressure electrolysis oxidation unit.
4. according to described efficient composite stench of claim 1 and VOC emission-control equipment, it is characterized in that: be provided with rearmounted absorbing unit (5) before the described exhaust outlet.
5. according to described efficient composite stench of claim 1 and VOC emission-control equipment, it is characterized in that: be provided with supporting reclaim equiment (6) between described exhaust outlet and the described air inlet, described supporting reclaim equiment (6) comprises circulation air port and controller, and described controller is connected with air inlet, exhaust outlet and circulation air port respectively.
6. according to described efficient composite stench of claim 1 and VOC emission-control equipment, it is characterized in that: be provided with the blower fan (7) that exhaust is used before the described exhaust outlet.
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CN2009201349300U CN201482379U (en) | 2009-08-18 | 2009-08-18 | High-efficiency combined type foul smell and VOC waste gas treatment device |
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CN2009201349300U CN201482379U (en) | 2009-08-18 | 2009-08-18 | High-efficiency combined type foul smell and VOC waste gas treatment device |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103357255A (en) * | 2012-04-10 | 2013-10-23 | 杭州中兵环保有限公司 | Device and method for organic waste gas by oxidizing and cracking |
CN105597500A (en) * | 2015-12-30 | 2016-05-25 | 洛阳三信石化设备有限公司 | Organic waste gas centralized processing device and processing technology thereof |
CN105617828A (en) * | 2016-03-11 | 2016-06-01 | 江苏联通纪元印务股份有限公司 | System for purifying VOC waste gas generared by Cigarette packaging and printing |
CN107029551A (en) * | 2017-06-12 | 2017-08-11 | 长春工业大学 | One kind is based on TiO2The device of nano pipe photochemical catalyst degraded VOCs gases |
CN110772912A (en) * | 2019-09-30 | 2020-02-11 | 广州紫科环保科技股份有限公司 | Purification equipment for comprehensive waste gas of biological pharmaceutical factory |
CN110871030A (en) * | 2018-09-03 | 2020-03-10 | 西安天仁鹤环保科技有限公司 | VOC gas treatment method and device |
-
2009
- 2009-08-18 CN CN2009201349300U patent/CN201482379U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103357255A (en) * | 2012-04-10 | 2013-10-23 | 杭州中兵环保有限公司 | Device and method for organic waste gas by oxidizing and cracking |
CN103357255B (en) * | 2012-04-10 | 2015-05-13 | 杭州中兵环保股份有限公司 | Device and method for organic waste gas by oxidizing and cracking |
CN105597500A (en) * | 2015-12-30 | 2016-05-25 | 洛阳三信石化设备有限公司 | Organic waste gas centralized processing device and processing technology thereof |
CN105617828A (en) * | 2016-03-11 | 2016-06-01 | 江苏联通纪元印务股份有限公司 | System for purifying VOC waste gas generared by Cigarette packaging and printing |
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 |
CN107029551A (en) * | 2017-06-12 | 2017-08-11 | 长春工业大学 | One kind is based on TiO2The device of nano pipe photochemical catalyst degraded VOCs gases |
CN110871030A (en) * | 2018-09-03 | 2020-03-10 | 西安天仁鹤环保科技有限公司 | VOC gas treatment method and device |
CN110772912A (en) * | 2019-09-30 | 2020-02-11 | 广州紫科环保科技股份有限公司 | Purification equipment for comprehensive waste gas of biological pharmaceutical factory |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20170818 |
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CF01 | Termination of patent right due to non-payment of annual fee |