CN204891600U - Low temperature plasma - biological method combination waste gas treatment system - Google Patents
Low temperature plasma - biological method combination waste gas treatment system Download PDFInfo
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- CN204891600U CN204891600U CN201520538007.9U CN201520538007U CN204891600U CN 204891600 U CN204891600 U CN 204891600U CN 201520538007 U CN201520538007 U CN 201520538007U CN 204891600 U CN204891600 U CN 204891600U
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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
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a low temperature plasma - biological method combination waste gas treatment system, including ionic reaction device, biological processing device, electrical system such as fan, pouring -in low temperature, the fan pass through the exhaust piping and connect biological processing device, ionic reaction devices such as pouring -in low temperature are other to be connect on the exhaust piping. Because this system adopts pouring -in low temperature plasma, the low temperature plasma generative process is not participated in to waste gas, can not pollute the module that discharges, can not exert an influence to the stability of discharging yet, makes the process that generates oxygen plasma more stabilize controllablely.
Description
Technical field
The utility model relates to a kind of air cleaning facility, particularly relates to a kind of low-temperature plasma-bioanalysis combined exhaust gas treatment system.
Background technology
Along with expanding economy, the exhaust pollution problems such as stench are more taken seriously.For foul gas, can be divided into two large classes: a class is organic pollutant, another kind of is inorganic gas.Organic pollutant mainly comprises hydro carbons, thio-alcohol, and inorganic gas mainly comprises sulfide, ammoniac compounds etc.These gases have complicated component, feature that intractability is larger, especially some long-chain macromolecule materials, water-soluble poor, be difficult to biodegradation.Current organic exhaust gas often adopts the processing method such as bioanalysis, low-temperature plasma.Adopt single treatment process, have that investment is comparatively large, treatment effect is difficult to the problems such as guarantee.Traditional low-temperature plasma adopts direct reaction equation structure, guiding discharge module vulnerable to pollution, and easily causes ozone to exceed standard.Traditional bioanalysis exists that floor space is large, poor to complexity large molecule VOCs treatment effect, microorganism Initial stage of culture or intermittent duty time the microbial activity easily problem such as influenced.For this reason, the utility model provides a kind of low-temperature plasma-bioanalysis combined exhaust gas treatment system, solves the problem preferably.
Summary of the invention
The purpose of this utility model is to provide a kind of low-temperature plasma-bioanalysis combined exhaust gas treatment system, it is strong that the utility model has high, the anti-load impact ability of exhaust treatment efficiency, multiple mix waste gas can be removed, the advantage such as low and non-secondary pollution of good operation stability, operating cost simultaneously.Be applicable to tobacco business, industrial waste gas, municipal waste gas deodorizing, eliminate the unusual smell, air pollution control.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of low-temperature plasma-bioanalysis combined exhaust gas treatment system, comprises blower fan, pouring-in low-temperature plasma reaction unit, biological treatment device; Described blower fan connects biological treatment device by exhaust piping, and pouring-in low-temperature plasma reaction unit is other to be connected on exhaust piping;
Described pouring-in low-temperature plasma reaction unit is made up of air purifier, low temperature plasma electrion module, flow in pipes and check valve; Described air purifier is arranged on the air inlet place of low temperature plasma electrion module, and the gas outlet of low temperature plasma electrion module is communicated with exhaust piping by flow in pipes, and flow in pipes arranges check valve;
Described biological treatment device comprises process casing, circulating pump, cyclic water tank, circulated sprinkling pipeline, washing section nozzle, fillter section nozzle, washing filler, biologic packing material, support, air distribution plate, blowdown apparatus, biologic packing material; Described process casing is divided into respectively as casing and rear box before washing section and biofiltration section, and washing filler and biologic packing material are placed on air distribution plate respectively, and air distribution plate is by the inner chamber bottom of support installing at front casing and rear box; Described circulation delivery side of pump by circulated sprinkling pipeline be arranged on the washing section nozzle processed in casing and be communicated with fillter section nozzle, washing section nozzle and fillter section nozzle are arranged on front casing and rear box inner chamber respectively and lay respectively at directly over washing filler and biologic packing material, cyclic water tank is communicated with the bottom of process casing, and the outlet of cyclic water tank is by the inlet communication of pipeline and circulating pump.
The utility model also comprises water replanishing device and blowdown apparatus; Described water replanishing device and blowdown apparatus are connected on cyclic water tank.
After adopting such scheme, the utility model has the following advantages:
1, the easy contaminated problem of direct reaction equation cold plasma discharge module is solved.Directly and exhaust gas contact, the particle in waste gas, tar etc. can be adsorbed on electric discharge module surface, affect discharging efficiency, even may cause arcing, or discharge spark, also may cause equipment explosion time serious for the electric discharge module of direct reaction equation low-temperature plasma.Contaminated electric discharge module needs often cleaning with the impurity going surface attachment, otherwise can affect electric discharge weakening treatment effect and damage equipment, and therefore maintenance cost is high.
Native system adopts pouring-in low-temperature plasma, and waste gas does not participate in low temperature plasma generative process, can not pollute electric discharge module, also can not have an impact to discharge stability, the process of generation oxygen plasma is more stablized controlled.
2, the ozone secondary pollution problem that pouring-in low-temperature plasma may cause is solved.Pouring-in low-temperature plasma is located at system front end by native system, then enters the washing section of biological treatment device.Due to ozone water soluble, low-temperature plasma reaction chamber remaining ozone isoreactivity components be soluble is in washing section, and sustainable and waste gas reaction on the one hand, can solve ozone secondary pollution problem simultaneously.
3, the problem that the large molecule of complex waste gas is difficult to be degraded by microorganisms is solved.Waste gas is introduced into low-temperature plasma reaction chamber, is difficult to the reaction such as a large amount of electronics, ion, active component, free radical that biodegradable macromolecular substances and low temperature plasma comprise, oxidized decomposition, or becomes short chain by long-chain, thus can be degraded by microorganisms.
4, the problem that biological treatment floor space is large, investment cost is high is solved.Because biological treatment device front end is provided with low-temperature plasma conversion zone, the bioanalysis time of staying can be shortened, reduce bioanalysis floor space, and the investment of combined type exhaust treatment system can not increase.
5, the problem of Biochemical method effect fluctuation when solution microorganism Initial stage of culture or intermittent duty.During waste gas treatment equipment intermittent duty, restart initial stage microbial activity and reduce, need again cultivate or throw in microorganism, cause the fluctuation for the treatment of effect.Native system is provided with low-temperature plasma conversion zone in bioanalysis front end, can start at any time, produces a large amount of active constituent and waste gas reaction, thus ensures treatment effect, improves the anti-load impact ability of system.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, the utility model is a kind of low-temperature plasma-bioanalysis combined exhaust gas treatment system, comprises blower fan 1, pouring-in low-temperature plasma reaction unit 2, biological treatment device 3, electric-control system (not shown).
Described blower fan 1 connects biological treatment device 3 by exhaust piping 4, and pouring-in low-temperature plasma reaction unit 2 is other to be connected on exhaust piping 4.
Described pouring-in low-temperature plasma reaction unit 2 is made up of air purifier 21, low temperature plasma electrion module 22, flow in pipes 23 and check valve 24.Described air purifier 21 is arranged on the air inlet place of low temperature plasma electrion module 22, the gas outlet of low temperature plasma electrion module 22 is communicated with exhaust piping 4 by flow in pipes 23, flow in pipes 23 is arranged prevents exhaust gas recirculation to the check valve 24 of reaction chamber, can prevent waste gas from invading reaction module, guarantee the stability of reacting module operation.
Described biological treatment device 3 comprises process casing 31, circulating pump 32, cyclic water tank 33, circulated sprinkling pipeline 34, washing section nozzle 35, fillter section nozzle 36, washing filler 37, biologic packing material 38, support 39, air distribution plate 310, blowdown apparatus 320, water replanishing device 330.Described process casing 31 is divided into respectively as casing 311 and rear box 312 before washing section and biofiltration section, is provided with floss hole 313 at process casing 31 top.Described washing filler 37 and biologic packing material 38 are placed in respectively to offer and are permitted on lacunary air distribution plate 310, and air distribution plate 310 is arranged on the inner chamber bottom of front casing 311 and rear box 312 by support 39.The outlet of described circulating pump 32 by circulated sprinkling pipeline 34 be arranged on the washing section nozzle 35 processed in casing 31 and be communicated with fillter section nozzle 36, washing section nozzle 35 and fillter section nozzle 36 are arranged on front casing 311 and rear box 312 inner chamber respectively and lay respectively at directly over washing filler 37 and biologic packing material 38, cyclic water tank 33 is communicated with the bottom of process casing 31, and the outlet of cyclic water tank 33 is by the inlet communication of pipeline and circulating pump 32.Described water replanishing device 330 and blowdown apparatus 320 are connected on cyclic water tank 33.
technological process of the present utility model:
After waste gas is collected by gathering system, delivered in pouring-in low-temperature plasma reaction unit 2 by blower fan 1.The components such as a large amount of electronics that low temperature plasma electrion module 22 produces, ion, active atomic, molecule and free radical are injected in reaction chamber, fully mix, oxidable waste gas decomposition with waste gas.Particularly be difficult to biodegradable macromolecular substances in waste gas to be also combined with these active ingredients, oxidized decomposition, or become short chain by long-chain, thus can be degraded by microorganisms.Gas after low-temperature plasma reaction unit 2 processes enters biological treatment device 3.Biological treatment device 3 is divided into washing section and biofiltration section.At washing section, mix after water is fully atomized by washing section nozzle 35 with waste gas, make rapidly gas humidity reach capacity state, good condition is created in the stable operation for biological fillter section, and solable matter in waste gas and trifle in the world etc. are removed.In addition, low-temperature plasma reaction unit 2 remaining ozone isoreactivity components be soluble is in washing section, and sustainable and waste gas reaction on the one hand, can solve ozone secondary pollution problem simultaneously.
Gas after washing enters biofiltration section, and waste gas is through biologic packing material 38, and the biomembrane formed with biologic packing material 38 surface fully contacts, and by microbiological oxidation, decomposition, waste gas is converted into carbon dioxide, water, inorganic salts, mineral matter etc.Gas after purified treatment qualified discharge after dehydrating demisting.Through the associated treatment of pouring-in low-temperature plasma reaction unit 2 and biological treatment device 3, the particle in waste gas, impurity, odor molecules etc. are thoroughly removed, and realize qualified discharge.
Described biological treatment device 3 adopts the full-closed structure had a style of one's own.Waste gas is entered by washing section top, mixes after cleaning solution is fully atomized by atomizer with air-flow, and gas-liquid is in the same way by biologic packing material 38.Biologic packing material 38 adopts inorganic PP porous ball, can increase the gas-liquid time of staying, and pending gas humidity is reached capacity rapidly state, and the solable matter in waste gas, trifle in the world and low-temperature plasma reaction chamber remaining ozone isoreactivity component are all dissolved in water.Gas enters biofiltration section by bottom after washing section.Biofiltration section is made up of distribution device, biologic packing material, support, nutrient solution conveying device etc.Distribution device adopts even air distribution plate 310, has enough rigidity, intensity and corrosion resistance, and unique structure, guarantees even gas distribution.Air distribution plate 310 material can adopt fiberglass waffle slab, and also high density polyethylene (HDPE) and polyacrylic composite material can be adopted to make according to project situation, good corrosion resistance, intensity is high, and load capacity is strong, can modular combination fast during use.Waste gas enters biologic packing material after even gas distribution, fully contacts with the biomembrane of filling surface, by biomembrane interception, absorbs, waste gas is thoroughly decomposed.Biologic packing material 38 can provide enough contacts area and enough times of contact to complete effective biodegradation.At system initial start stage microbe inoculation, then a large amount of microorganism is in biologic packing material surface constantly propagation, forms biomembrane.Without the need to additional nutrient solution in normal course of operation.
Emphasis of the present utility model is just: pouring-in low-temperature plasma reaction unit is other to be connected on exhaust piping.
The above, be only the utility model preferred embodiment, therefore can not limit with this scope that the utility model implements, the equivalence namely done according to the utility model claim and description change with modify, all should still belong in scope that the utility model patent contains.
Claims (2)
1. low-temperature plasma-bioanalysis combined exhaust gas treatment system, is characterized in that: comprise blower fan, pouring-in low-temperature plasma reaction unit, biological treatment device; Described blower fan connects biological treatment device by exhaust piping, and pouring-in low-temperature plasma reaction unit is other to be connected on exhaust piping;
Described pouring-in low-temperature plasma reaction unit is made up of air purifier, low temperature plasma electrion module, flow in pipes and check valve; Described air purifier is arranged on the air inlet place of low temperature plasma electrion module, and the gas outlet of low temperature plasma electrion module is communicated with exhaust piping by flow in pipes, and flow in pipes arranges check valve;
Described biological treatment device comprises process casing, circulating pump, cyclic water tank, circulated sprinkling pipeline, washing section nozzle, fillter section nozzle, washing filler, biologic packing material, support, air distribution plate, blowdown apparatus, biologic packing material; Described process casing is divided into respectively as casing and rear box before washing section and biofiltration section, and washing filler and biologic packing material are placed on air distribution plate respectively, and air distribution plate is by the inner chamber bottom of support installing at front casing and rear box; Described circulation delivery side of pump by circulated sprinkling pipeline be arranged on the washing section nozzle processed in casing and be communicated with fillter section nozzle, washing section nozzle and fillter section nozzle are arranged on front casing and rear box inner chamber respectively and lay respectively at directly over washing filler and biologic packing material, cyclic water tank is communicated with the bottom of process casing, and the outlet of cyclic water tank is by the inlet communication of pipeline and circulating pump.
2. low-temperature plasma according to claim 1-bioanalysis combined exhaust gas treatment system, is characterized in that: also comprise water replanishing device and blowdown apparatus; Described water replanishing device and blowdown apparatus are connected on cyclic water tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520538007.9U CN204891600U (en) | 2015-07-23 | 2015-07-23 | Low temperature plasma - biological method combination waste gas treatment system |
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| CN201520538007.9U CN204891600U (en) | 2015-07-23 | 2015-07-23 | Low temperature plasma - biological method combination waste gas treatment system |
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| CN204891600U true CN204891600U (en) | 2015-12-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508111A (en) * | 2019-09-18 | 2019-11-29 | 上海兰宝环保科技有限公司 | A kind of pouring-in low-temperature plasma integral system |
| CN112107974A (en) * | 2020-09-16 | 2020-12-22 | 中科新天地（合肥）环保科技有限公司 | Injection type low-temperature plasma organic waste gas treatment device |
-
2015
- 2015-07-23 CN CN201520538007.9U patent/CN204891600U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508111A (en) * | 2019-09-18 | 2019-11-29 | 上海兰宝环保科技有限公司 | A kind of pouring-in low-temperature plasma integral system |
| CN112107974A (en) * | 2020-09-16 | 2020-12-22 | 中科新天地（合肥）环保科技有限公司 | Injection type low-temperature plasma organic waste gas treatment device |
| CN112107974B (en) * | 2020-09-16 | 2021-11-05 | 中科新天地（合肥）环保科技有限公司 | Injection type low-temperature plasma organic waste gas treatment device |
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Effective date of registration: 20170215 Address after: 361000 A District, Huli District, Fujian, Xiamen, China, No. 2321 Patentee after: Xiamen Bai Ou Environmental Technology Co. Ltd. Address before: Heshan street fanghu road Huli District of Xiamen city in Fujian province 361009 of No. 705 room 620 Patentee before: Xiamen Baio Technology Co., Ltd. |