CN202538623U - Device for treating organic odor waste gas by using coupling dielectric barrier discharge plasma system - Google Patents
Device for treating organic odor waste gas by using coupling dielectric barrier discharge plasma system Download PDFInfo
- Publication number
- CN202538623U CN202538623U CN2012200795683U CN201220079568U CN202538623U CN 202538623 U CN202538623 U CN 202538623U CN 2012200795683 U CN2012200795683 U CN 2012200795683U CN 201220079568 U CN201220079568 U CN 201220079568U CN 202538623 U CN202538623 U CN 202538623U
- Authority
- CN
- China
- Prior art keywords
- discharge tube
- air
- pipe
- collecting pipe
- discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a device for treating organic odor waste gas by using a coupling dielectric barrier discharge plasma system, and belongs to the technical field of organic waste gas treatment processes. The device is characterized by comprising an upper intake air distributing pipe,, an upper discharged air collecting pipe, a lower intake air distributing pipe, a lower discharged air collecting pip, an air inlet of an upper discharge tube, an air outlet of the upper discharge tube, an air inlet of a lower discharge tube, an air outlet of the lower discharge tube, a bracket, a base, discharge tubes, a discharge tube washing system and a spraying system which is coupled in the upper discharged air collecting pipe and the lower discharged air collecting pipe. The coupling type dielectric barrier discharge plasma system has a compact structure, a good odor pollution treatment effect and high energy efficiency, can be widely applied to the treatment of odorous waste gases such as benzene-containing series, aldehydes, alcohols, carbon disulfide and organic amine.
Description
Technical field
The utility model belongs to organic peculiar smell waste gas treatment process technical field, is a kind ofly to be combined in the device by dielectric barrier discharge plasma and two kinds of methods of spray washing method, realizes the device of the organic peculiar smell waste gas of associated treatment.
Background technology
Peculiar smell has become the focus that the resident complains and pays close attention to as environmental hazard, and its wide material sources are like industries such as petrochemical industry, pharmacy, chemical fibre, leathers.Smell substance is of a great variety, and up to now, the smell substance that can experience with people's sense of smell has kind more than 4000, wherein to human harm bigger be mostly organic pollution.For improving the resident living environmental quality, solve the problem that disturbs residents of gas with foreign flavor, organic smell pollution purified treatment has been become one of environmental problem that needs to be resolved hurrily at present.
Dielectric barrier discharge (Dielectric Barrier Discharge; DBD), be widely used in that ozone is synthetic, vacuum ultraviolet light source, material surface is handled and field such as environmental protection as a kind of reliable, the economic method that produces low temperature (nonequilibrium state) plasma under the condition of normal pressure.Existing research shows that the DBD technology can be used for handling multiple gaseous contaminant, like volatile organic matter VOCs, benzene series thing (like benzene, xylenes), perfluorocarbon (like C
2F
6), the halocarbon hydrocarbon compound is (like CF
2ClBr, CFC), dioxin-like chemical etc.In recent years; The DBD technology receives much concern in the correlative study aspect the odorant pollutant degraded; Also, make it become odor pollution control effective technology with prospects for commercial application because of its characteristics that large space evenly discharges and the corona discharge hyperbar moves that have glow discharge concurrently.
This project application unit adopts bushing type dielectric barrier discharge form to produce the organic smell pollution thing of plasma degradation and studies, and (1. combined type dielectric barrier discharge plasma reaction unit ZL 201020575538.2 to have applied for related patent U.S. Patent No.; 2. plasma industrial waste gas treatment device ZL 201020527649.6), and with the DBD technology be successfully applied to organic peculiar smell waste gas pollution control and treatment of a plurality of projects, in the field of business receiving publicity.
But further study and use discovery, simple dielectric barrier discharge (DBD) plasma form exists discharge vessel wall coking and tail gas secondary pollution problem.
The discharge vessel wall coking influences the regular picture of DBD plasma, shelf depreciation very easily occurs, thereby influences smell pollution thing treatment effeciency.Therefore, how avoiding deposited material to influence the device discharge, is DBD plasma important link in the industrial applications process.
In the tail gas after the DBD plasma treatment, mostly the secondary product after containing organic matter and being decomposed is small molecular organic acid, organic alcohols and aerosol class material, and if such material also can pollute surrounding enviroment without advanced treating, causes secondary environmental pollution.In addition, aerosol class material also can be deposited on the wind pipe wall, and mostly this aerosol deposition thing is combustible material, also very easily causes to pollute and safety problem.Because this type secondary product belongs to soluble substance more, therefore, need supporting subsequent wash tower to handle usually, thus extra increase carrying out washing treatment equipment.To the aerosol deposition thing, manual cleanup is operated very inconvenience usually.
The utility model content
To above two problems; The utility model provides a kind of adaptability the extensive more and better dielectric barrier discharge plasma composite set of clean-up effect; Through the eliminate the effects of the act deposit problem of stable discharging of discharge tube rinse-system, and waste gas is carried out deep purifying, eliminate the secondary pollution problem through the spray system in the air-out collecting pipe; Simultaneously through instant spray washing; Also avoided aerosol class electrodeposition substance in the air-out collecting pipe, eliminated potential safety hazard, realized that the large-scale industrial of DBD plasma is used.
The specific embodiments of the utility model is following:
The organic peculiar smell treating apparatus of a kind of manifold type dielectric barrier discharge plasma; It is characterized in that; Comprise the air intake distributing pipe, go up the air-out collecting pipe, down the air intake distributing pipe, down the air-out collecting pipe, go up the discharge tube air inlet, go up the discharge tube air outlet, discharge tube air inlet, discharge tube air outlet, support, base and discharge tube down down, discharge tube rinse-system and be coupled in air-out collecting pipe and the interior spray system of following air-out collecting pipe; Gas divides two-way to get into treatment system; One the tunnel via last air intake distributing pipe, go up discharge tube air inlet, discharge tube, go up discharge tube air outlet and last air-out collecting pipe, another road is via air intake distributing pipe down, discharge tube air inlet, discharge tube, following discharge tube air outlet and following air-out collecting pipe down.
Said discharge tube rinse-system comprises wash tub pipe and following wash tub pipe; Leave the water hole at upper and lower wash tub pipe; Flushing liquid in the last wash tub pipe gets into discharge tube through last discharge tube air inlet; After the flushing of the deposit on the discharge vessel wall, flushing back liquid enters the air-out collecting pipe via last discharge tube air outlet; The discharge tube air inlet got into discharge tube under flushing liquid in the following wash tub pipe passed through, and after the flushing of the deposit on the discharge vessel wall, liquid enters down the air-out collecting pipe via following discharge tube air outlet after the flushing.The flushing liquor that enters in the upper and lower air-out collecting pipe is discharged via the flushing liquid outlet of discharging tube, and flushing liquor drains into sewage disposal system and handles.
Wherein, the apopore quantity on the last wash tub pipe is corresponding one by one with last discharge tube air inlet quantity, and the apopore quantity on the following wash tub pipe is corresponding one by one with following discharge tube air inlet quantity.Apopore on the upper and lower wash tub pipe can connect nozzle.
Wherein, flushing liquid adopts water or alkali lye, and backwash rate is that every discharge tube is not less than 100ml/ time.Can also be added with auxiliary agent in the flushing liquid, auxiliary agent is alkali, acid or surfactant.
Said spray system comprises shower, following shower and nozzle, and upper and lower shower places respectively in air-out collecting pipe and the following air-out collecting pipe, and spray moisture two-way gets into via upper and lower shower respectively, and spray liquid is sprayed by nozzle.Spray liquid is discharged via the spray liquid delivery pipe, drains into sewage disposal system and handles.
Nozzle outlet pressure is not less than 0.1MPa, and nozzle is intervally arranged with the discharge tube air outlet, and the spray angle is not less than 120 °.
Wherein spray liquid can adopt acid, alkali lye or oxidizing agent solution, and the liquid-gas ratio during spray is not less than 0.5L/m
3
During use, waste gas gets into from upper and lower air intake distributing pipe, behind upper and lower discharge tube, finally discharges through upper and lower air-out collecting pipe.
This organic peculiar smell treating apparatus; Through online discharge tube rinse-system; Can open rinse-system as required in good time, the deposit that is deposited on the discharge vessel wall is washed, show through product analysis; Mostly such deposit is scrap polymeric or the oxide after smell substance decomposes, and be prone to rinsed out by water more.In addition, also can be different according to sedimental composition, select to have added the flushing liquor of auxiliary agent, auxiliary agent can be selected alkali, acid or surfactant etc. for use.
Assembling spray washing system need not extra supporting scrubbing tower in the air-out collecting pipe, in a DBD reaction unit, can realize the advanced treating of tail gas, has saved the equipment investment expense.According to exhaust gas component, can select alkalescence, acidity or oxidisability cleaning solution to come the reinforced washing effect, eliminate secondary pollution.In addition,, also avoided aerosol class electrodeposition substance in the air-out collecting pipe, eliminated potential safety hazard through instant spray washing.
This manifold type dielectric barrier discharge plasma coupling spray washing subtraction unit can be according to peculiar smell treatment of waste gas air quantity, pollutant levels; Adjustment discharge tube flushing frequency and air duct cleaning solution spraying intensity are to reach best pollutant removal and operation energy consumption.
This manifold type DBD plasma reaction system compares with simple DBD plasma; Not only eliminate the deposit that influences discharge tube regular picture, also reduced the spray scrubber investment, made compact equipment, floor space little; Convenient management; System wind resistance reduces greatly, and gas flux increases, and integral power consumption reduces.Simultaneously, this manifold type DBD plasma has parameter adjustment space flexibly because of it, and the scope of application is more extensive.
This manifold type dielectric barrier discharge plasma system smell pollution treatment effect is good, and efficiency is high, can be widely used in containing the waste gas pollution control and treatment of smell substances such as benzene series thing, aldehydes, alcohols, carbon disulfide, organic amine, and its promotion and application have a extensive future.
During practical implementation,, be not limited to the listed size of embodiment for listed each size of the utility model and parameter; For the professional and technical personnel; Can confirm according to actual conditions, no matter but its value how all is considered to be encompassed in the row of the utility model.
Description of drawings
Fig. 1 is discharge tube rinse-system figure: (a) front view, (b) side view.
Fig. 2 is the spray system figure in the discharge tube air-out collecting pipe: (a) front view, (b) side view.
Among Fig. 1 and Fig. 2, the last air intake distributing pipe of 1-; The last air-out collecting pipe of 2-; Air intake distributing pipe under the 3-; Air-out collecting pipe under the 4-; The last discharge tube air inlet of 5-; The last discharge tube air outlet of 6-; Discharge tube air inlet under the 7-; Discharge tube air outlet under the 8-; The last wash tub pipe of 9-; Wash tub pipe under the 10-; The 11-support; The 12-base; The 13-discharge tube, the last shower of 14-, shower under the 15-, 16-nozzle; A-discharge tube flushing water inlet, the outlet of B-discharge tube flushing water, A '-shower water inlet, B '-shower water outlet, C-air inlet, D-air outlet, E-ball valve.
Fig. 3 is the implementing process flow chart.Wherein, 1-discharge tube flushing liquor, 2-surge drum spray liquid, the 3-flushing pump, the 4-spray pump, 5-manifold type DBD plasma reactor, the 6-dehydrater, 7-air-introduced machine, a-contain toluene gas (850mg/m
3), b-flushing water and spray liquid drain into Sewage Disposal, and c-drains into Sewage Disposal, the d-sampling analysis, the e-chimney effluxes.
The specific embodiment
Embodiment selects representative organic pollution toluene as process object, with after explanation bushing type DBD plasma coupled discharge pipe rinse-system and the air-out collecting pipe spray system embodiment and treatment effect.
Under the effect of air-introduced machine, concentration is 850mg/m
3The organic gas with foreign flavor of toluene that contains get into manifold type dielectric barrier discharge plasma reaction unit; Gas through after the plasma reactor processing is discharged by chimney after dehydrater dewaters; In the outlet 1m of air-introduced machine place's sampling analysis; For the accuracy that guarantees to sample, the fixed-site of each sampling, and behind reactor stable operation 30min, begin sampling again.
Manifold type DBD plasma reactor: 1, disposal ability 3000m
3/ h.
96 of discharge tube assembling quantity.
The discharge tube flushing liquor adopts 1% alkali lye.
Spray system adopts H
2SO
4/ H
2O
2Mixed liquor, wherein H
2SO
4Content 0.5%, H
2O
2Content 2%.Spray flux 3m
3/ h recycles.
Dehydrater adopts hook-type deflection plate, entrance velocity 7m/s.
Air-introduced machine: fiberglass centrifugal induced draught fan, Suzhou Dingyu Energy-Efficient Equipment Co., Ltd., power 5.5kW, air quantity 4000m
3/ h.
The flow direction of gas with foreign flavor in reaction system: contain the toluene gas with foreign flavor and divide two-way to get into upper and lower air intake distributing pipe respectively; And then 96 discharge tubes of flowing through respectively; Gas drains into upper and lower air-out collecting pipe behind the discharge tube internal reaction, gas is discharged through dehydrater, air-introduced machine, chimney again.
The sampling of toluene and assay method adopt national standard surrounding air " Determination of benzene hydrocarbon charcoal absorption-carbon disulfide desorb-gas chromatography " (HJ584-2010) to measure.
For investigating the effect of manifold type DBD plasma treatment peculiar smell waste gas, this patent adopts non-manifold type DBD plasma device to oppose than test in implementation process, and the intake of reactor is all identical with input power in the contrast test.
Implementation result:
Wind speed is 6m/s in pipeline, toluene concentration 850mg/m
3, applied voltage 12000V, manifold type DBD plasma is more than 98% to the clearance of toluene, has improved more than 35% than non-manifold type DBD plasma.
Continuously operation is after 24 hours, and non-manifold type reaction unit deposit is accumulated on the discharge vessel wall, has had a strong impact on discharge effect, and the toluene clearance is also reduced to about 30% by original about 60%.And the online flushing of manifold type reaction unit 2 times, discharge effect does not have a significant effect, and the fluctuation of toluene clearance is not obvious.Equipment is 1 week of operation continuously, and not seeing in the air-out collecting pipe has obvious deposit to occur.
Claims (6)
1. a manifold type dielectric barrier discharge plasma is handled the device of organic peculiar smell waste gas; It is characterized in that; Comprise the air intake distributing pipe, go up the air-out collecting pipe, down the air intake distributing pipe, down the air-out collecting pipe, go up the discharge tube air inlet, go up the discharge tube air outlet, discharge tube air inlet, discharge tube air outlet, support, base and discharge tube down down, discharge tube rinse-system and be coupled in air-out collecting pipe and the interior spray system of following air-out collecting pipe; Gas divides two-way to get into treatment system; One the tunnel via last air intake distributing pipe, go up discharge tube air inlet, discharge tube, go up discharge tube air outlet and last air-out collecting pipe, another road is via air intake distributing pipe down, discharge tube air inlet, discharge tube, following discharge tube air outlet and following air-out collecting pipe down.
2. manifold type dielectric barrier discharge plasma as claimed in claim 1 is handled the device of organic peculiar smell waste gas; It is characterized in that; Said discharge tube rinse-system comprises wash tub pipe and following wash tub pipe, leaves the water hole at upper and lower wash tub pipe, and the flushing liquid in the last wash tub pipe gets into discharge tube through last discharge tube air inlet; After the flushing of the deposit on the discharge vessel wall, flushing back liquid enters the air-out collecting pipe via last discharge tube air outlet; Flushing liquid in the following wash tub pipe passes through down, and the discharge tube air inlet gets into discharge tube; After the flushing of the deposit on the discharge vessel wall; Flushing back liquid enters down the air-out collecting pipe via following discharge tube air outlet; The flushing liquor that enters in the upper and lower air-out collecting pipe is discharged via the flushing liquid outlet of discharging tube, and flushing liquor drains into sewage disposal system and handles.
3. manifold type dielectric barrier discharge plasma as claimed in claim 2 is handled the device of organic peculiar smell waste gas; It is characterized in that; Apopore quantity on the last wash tub pipe is corresponding one by one with last discharge tube air inlet quantity, and the apopore quantity on the following wash tub pipe is corresponding one by one with following discharge tube air inlet quantity.
4. handle the device of organic peculiar smell waste gas like claim 2 or 3 described manifold type dielectric barrier discharge plasmas, it is characterized in that the apopore on the wherein upper and lower wash tub pipe can connect nozzle.
5. manifold type dielectric barrier discharge plasma as claimed in claim 1 is handled the device of organic peculiar smell waste gas; It is characterized in that; Said spray system comprises shower, following shower and nozzle; Upper and lower shower places respectively in air-out collecting pipe and the following air-out collecting pipe, and spray moisture two-way gets into via upper and lower shower respectively, and spray liquid is sprayed by nozzle; Spray liquid is discharged via the spray liquid delivery pipe, drains into sewage disposal system and handles.
6. manifold type dielectric barrier discharge plasma as claimed in claim 5 is handled the device of organic peculiar smell waste gas, it is characterized in that, wherein nozzle outlet pressure is not less than 0.1MPa, and nozzle is intervally arranged with the discharge tube air outlet, and the spray angle is not less than 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200795683U CN202538623U (en) | 2012-03-06 | 2012-03-06 | Device for treating organic odor waste gas by using coupling dielectric barrier discharge plasma system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200795683U CN202538623U (en) | 2012-03-06 | 2012-03-06 | Device for treating organic odor waste gas by using coupling dielectric barrier discharge plasma system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202538623U true CN202538623U (en) | 2012-11-21 |
Family
ID=47159317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200795683U Expired - Lifetime CN202538623U (en) | 2012-03-06 | 2012-03-06 | Device for treating organic odor waste gas by using coupling dielectric barrier discharge plasma system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202538623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553409A (en) * | 2012-03-06 | 2012-07-11 | 山东派力迪环保工程有限公司 | Device for treating organic smelly waste gas by utilizing coupled dielectric barrier discharge plasma |
-
2012
- 2012-03-06 CN CN2012200795683U patent/CN202538623U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553409A (en) * | 2012-03-06 | 2012-07-11 | 山东派力迪环保工程有限公司 | Device for treating organic smelly waste gas by utilizing coupled dielectric barrier discharge plasma |
| CN102553409B (en) * | 2012-03-06 | 2014-04-02 | 山东派力迪环保工程有限公司 | Device for treating organic smelly waste gas by utilizing coupled dielectric barrier discharge plasma |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102553409B (en) | Device for treating organic smelly waste gas by utilizing coupled dielectric barrier discharge plasma | |
| CN102861493B (en) | Photoelectric high-energy purification device for treating particulate matter 2.5 (PM2.5) in cooking fume | |
| CN104857806A (en) | Combined and cyclic integrated treatment process for paint spraying wastewater and waste gas and system for combined and cyclic integrated treatment process | |
| CN105289237B (en) | A kind of intelligent combined type foul gas processing method of ultra high efficiency | |
| CN104888596A (en) | Laboratory exhaust treatment device | |
| CN104028066A (en) | Method and device for treating VOCs (Volatile Organic Chemicals) waste gas | |
| CN105457487A (en) | Modularized photocatalytic device for organic waste gas treatment and method | |
| CN204447751U (en) | A kind of labyrinth type biological purification plant | |
| CN205109392U (en) | Absorption process and biological method combined effect handle device of VOC waste gas | |
| CN201643930U (en) | Waste gas purification apparatus | |
| CN205323535U (en) | A module actinic light catalytic unit for organic waste gas handles | |
| CN104529029A (en) | Pipeline type sewage treatment device | |
| CN202538623U (en) | Device for treating organic odor waste gas by using coupling dielectric barrier discharge plasma system | |
| CN204352742U (en) | Chemical washing and low temperature plasma coupling processing exhaust gas apparatus | |
| CN206008465U (en) | A kind of organic waste gas treatment system | |
| CN108176171A (en) | A kind of tail gas photooxidation method for cracking treatment using cavitation fluid purification technology | |
| CN105289238B (en) | A kind of intelligent combined type foul gas processing unit of ultra high efficiency | |
| CN208959634U (en) | Biological treatment device for exhaust gas | |
| CN205495346U (en) | Dry waste gas treatment system of biological enzyme based on photocatalysis reactor | |
| CN208038246U (en) | A kind of chemical waste liquid online recycling device | |
| CN111111402A (en) | Kitchen waste gas treatment equipment and waste gas treatment method | |
| CN105617826A (en) | Low-temperature plasma oil gas ultra-clean emission treatment process and device | |
| CN206285698U (en) | A kind of emission-control equipment | |
| CN204816094U (en) | Waste water waste gas combined cycle of spraying paint integration processing system | |
| CN204400758U (en) | A kind of pipeline type sewage treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180705 Address after: 255086 B 2201, advanced ceramic industry innovation park, No. 125, Liu Quan Road, hi tech Zone, Zibo, Shandong Patentee after: Shandong Paris Plasma Technology Co., Ltd. Address before: 255086 the development zone of Zibo hi tech Development Zone, east of North Road and north of Xin Road, Shandong. Patentee before: Shandong Pallet Environment Protection Engineering Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |