CN107485995A - A kind of elliptic dielectric barrier discharge device - Google Patents
A kind of elliptic dielectric barrier discharge device Download PDFInfo
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- CN107485995A CN107485995A CN201710730098.XA CN201710730098A CN107485995A CN 107485995 A CN107485995 A CN 107485995A CN 201710730098 A CN201710730098 A CN 201710730098A CN 107485995 A CN107485995 A CN 107485995A
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- elliptical tube
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/30—Physical properties of adsorbents
- B01D2253/34—Specific shapes
- B01D2253/342—Monoliths
- B01D2253/3425—Honeycomb shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0258—Other waste gases from painting equipments or paint drying installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to environmental protection and waste gas pollution control and treatment technical field; especially a kind of elliptic dielectric barrier discharge device; including outer framework; outer framework left end is provided with air outlet; outer framework right-hand member is provided with air inlet; axial flow blower, air distribution plate, plasma discharge and catalyst plate are provided with inside outer framework, plasma discharge includes rectifier panel, rectifier, ventilating fan, press strip, power panel, support, positive pole elliptical tube and negative pole elliptical tube.A kind of elliptic dielectric barrier discharge device of the present invention, under being acted on by internal axial flow blower, collect extraneous waste gas, entered by air inlet, first by axial flow blower, then by air distribution plate, realize the effect of more preferable uniform air intake, plasma discharge is entered back into, pollutant resolution process is carried out, enters back into catalyst plate, caused intermediate product and active group in the incomplete reaction of enrichment or course of reaction, it is fully reacted, and the ozone in tail gas is eliminated, finally discharged by air outlet.
Description
Technical field
The present invention relates to environmental protection and waste gas pollution control and treatment technical field, especially a kind of elliptic dielectric barrier discharge dress
Put.
Background technology
Reached capacity along with the expansion of China's extensive style manufacturing industry, Chinese world's factory status is established, and China is simultaneously
Enter environmental pressure peak.National haze weather since winter has set in 2012, then understand and only disclose China's environment
The order of severity of pollution and the extreme fragility of ecology.For solve China's constantly serious problem of environmental pollution, it is necessary to we
Environmental improvement technical elements are constantly researched and developed, and seek the low advanced technology of efficiency high, energy consumption.
The processing method of organic exhaust gas can generally be divided into the destructive and major class of non-destructive two.Destructive processing method
Mainly include Production by Catalytic Combustion Process, direct combustion method, plasma method etc., non-destructive processing method mainly includes condensation method, absorption
Method and absorption process etc..
Lower temperature plasma technology obtains more and more extensive application in terms of waste gas purification, and especially the technology is in waste gas
Efficiency high in terms of purification, meets that a variety of places are waste gas produced.Dielectric barrier discharge technology is to produce stable low temperature plasma
Economic and reliable method, be widely recognized in terms of waste gas purification.
Dielectric barrier discharge pipe common at present is electric discharge pipe, is discharged between pipe and concentrates on the nearest position of pipe part
（That is quadrantal points position）, machining area is small, essentially line line discharge type；Further, since gas stops in plasma discharge region
Stay the time very short, many active components have little time reaction and just discharged, and are unfavorable for energy utilization.
Therefore, it is necessary to a kind of new gas discharge device, the drawbacks of to overcome above reactor to produce plasma, together
When seek technical breakthrough, in the case of the essentially identical equipment of size, pursue higher purification efficiency.
The content of the invention
In order to overcome existing dielectric barrier discharge pipe machining area small, easily trigger and emit electricity, the deficiency of creepage phenomenon,
The invention provides a kind of elliptic dielectric barrier discharge device, under being acted on by internal axial flow blower, extraneous waste gas is collected, by entering
Air port enters, and first by axial flow blower, then by air distribution plate, realizes the effect of more preferable uniform air intake, enter back into etc. from
Electron discharge area, waste gas purification processing is carried out, catalyst plate is entered back into, by the absorption and catalytic action of catalyst material, to incomplete
Caused intermediate product and active group are fully reacted in reaction or course of reaction, and ozone is eliminated, and are most passed through afterwards
Cross air outlet discharge.
The technical solution adopted for the present invention to solve the technical problems is：A kind of elliptic dielectric barrier discharge device, bag
Outer framework is included, outer framework left end is provided with air outlet, and outer framework right-hand member is provided with air inlet, and outer framework inner right side is provided with axle stream wind
Machine, axial flow blower left side are provided with air distribution plate, and plasma discharge is provided with the left of air distribution plate, catalyst is provided with the left of plasma discharge
Plate.
Further, including axial flow blower serves as elliptic dielectric barrier discharge device internal gathering and discharge waste gas.
Further, including outer framework and air distribution plate are corrosion-resistant metal materials, and the air distribution plate, which is provided with, is used for waste gas
Uniformly through passage.
Further, including plasma discharge includes support, and both sides are provided with rectifier panel, rectifier panel on support
On be fixed with rectifier, ventilating fan and press strip, mid-stent is provided with positive pole elliptical tube and negative pole elliptical tube, on the inside of rectifier panel
Provided with the power panel that electric energy is provided for positive pole elliptical tube and negative pole elliptical tube.
Further, including support is provided with the mounting hole for being used for fixing positive pole elliptical tube and negative pole elliptical tube.
Further, including positive pole elliptical tube and negative pole elliptical tube include elliptical tube, and conducting metal is filled with elliptical tube
Powder, elliptical tube both ends set safety cap.
Further, including positive pole elliptical tube and negative pole elliptical tube are that corrosion-resistant inorganic material is fired and formed.
Further, including catalyst plate is made up of honeycomb filler, and honeycomb hole is circular hole or square hole, 1 ~ 10mm of pore size.
Honeycomb filler composition is that sorptive material and metal oxide form.Wherein, sorbing material is activated carbon, molecule
Sieve, activated alumina etc.；Metal oxide is manganese dioxide, transition metal oxide etc..
The invention has the advantages that a kind of elliptic dielectric barrier discharge device of the present invention, is realized between both positive and negative polarity
Separation, it is ensured that electric discharge optimization, safety, solve both positive and negative polarity in same pipe, it is too near from obtaining between both positive and negative polarity, emit
Electricity, creepage phenomenon, had both protected our equipment, and had also strengthened purification function；Contact tube is elliptic, the electric discharge between both positive and negative polarity
Area greatly increases, the equipment of such formed objects, and machining area increase, waste gas is in the increased resident time of region of discharge, phase
Corresponding exhaust gas decomposition efficiency also strengthens；Produced in the incomplete reaction follow-up to ionic discharge region of catalyst plate or course of reaction
Intermediate product and the further catalytic purification of active group, additionally increase purification efficiency；It is applied widely, available for sewage
Factory, pharmaceutical industry, each painting workshop, chemical fibre factory, Leather Factory etc., solve the peculiar smell exhaust pollution problems of various difficult degradations.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view of plasma discharge in Fig. 1；
Fig. 3 is catalyst plate front view in Fig. 1；
Fig. 4 is elliptical tube sectional view in Fig. 2；
Fig. 5 is Fig. 4 side sectional views；
Fig. 6 is the front view of Fig. 2 medium-height trestles；
Fig. 7 is the arrangement figure of positive pole elliptical tube and negative pole elliptical tube in Fig. 2.
1. outer framework in figure, 2. air inlets, 3 air outlets, 4. axial flow blowers, 5. air distribution plates, 6. plasma discharges, 7. touch
Matchmaker's plate, 8. passages, 9. supports, 10. rectifier panels, 11. rectifiers, 12. ventilating fans, 13. press strips, 14. positive pole elliptical tubes,
15. negative pole elliptical tube, 16. power panels, 17. elliptical tubes, 18. safety caps, 19. mounting holes.
Embodiment
If Fig. 1 is the structural representation of the present invention, a kind of elliptic dielectric barrier discharge device, including outer framework 1, housing
The left end of frame 1 is provided with air outlet 3, and the right-hand member of outer framework 1 is provided with air inlet 2, and the inner right side of outer framework 1 is provided with axial flow blower 4, axle stream wind
The left side of machine 4 is provided with air distribution plate 5, and the left side of air distribution plate 5 is provided with plasma discharge 6, and the left side of plasma discharge 6 is provided with catalyst plate 7.
Reference picture 1, axial flow blower 4 are fixed on the inner right side of outer framework 1, and air distribution plate 5 is fixed on the bosom position of outer framework 1
Put and on the left of axial flow blower, plasma discharge 6 is fixed on the bosom of outer framework 1 and positioned at the left side of air distribution plate 5, catalyst
Plate 7 is fixed on outer framework inside left and positioned at the left side of plasma discharge 6.
Reference picture 1, axial flow blower 4 serve as elliptic dielectric barrier discharge device internal gathering and discharge waste gas.
Reference picture 1, outer framework 1 and air distribution plate 5 are corrosion-resistant metal materials, and air distribution plate 5 is provided with uniformly to be led to for waste gas
The passage 8 crossed so that the waste gas collected by axial flow blower 4 uniformly enters plasma discharge 6 after air distribution plate 5.
Reference picture 2, plasma discharge 6 include support 9, and the both sides of support 9 are provided with rectifier panel 10, rectifier panel 10
On be fixed with rectifier 11, ventilating fan 12 and press strip 13, the middle part of support 9 is provided with positive pole elliptical tube 14 and negative pole elliptical tube 15, whole
Flow the inner side of device panel 10 and be provided with the power panel 16 that electric energy is provided for positive pole elliptical tube 14 and negative pole elliptical tube 15, positive pole is oval
Pipe 14 and negative pole elliptical tube 15 misplace it is alternate be fixed on support 9, positive pole elliptical tube 14 and negative pole elliptical tube 15 electric discharge concentrate on
The nearest quadrantal points position of each elliptical tube, mutually produces region of discharge.
Reference picture 6, support 9 are provided with the mounting hole 19 for being used for fixing positive pole elliptical tube 14 and negative pole elliptical tube 15, support 9
On the quantity of mounting hole 19 can be changed according to the quantity of required positive pole elliptical tube 14 and negative pole elliptical tube 15.
Reference picture 4, positive pole elliptical tube 14 and negative pole elliptical tube 15 include elliptical tube 17, and conductive gold is filled with elliptical tube 17
Belong to powder, the both ends of elliptical tube 17 set safety cap 18, and positive pole elliptical tube 14 is the negative pole by connecting caused by the positive pole of power panel 16
Elliptical tube 15 is by connecting caused by the negative pole of power panel 16, and 15 body structures of positive pole elliptical tube 14 and negative pole elliptical tube are one
Cause, including elliptical tube 17, interior filling conductive metal powder and safety cap 18.
Reference picture 7, positive pole elliptical tube 14 and negative pole elliptical tube 15 are controlled by power panel 16, below positive pole elliptical tube 14
It is negative pole elliptical tube 15, is positive pole elliptical tube 14 further below, it is positive and negative to be so arranged in order.
Positive pole elliptical tube 14 and negative pole elliptical tube 15 are that inorganic material firing forms, and inorganic material includes quartz glass, pottery
The corrosion-resistant inorganic material such as porcelain or devitrified glass.
The inside of catalyst plate 7 is provided with cellular material, is made up of sorbing material and metal oxide.The optional activity of sorbing material
The material of the advantages of good adsorption effect such as charcoal, NACF, molecular sieve, aluminum oxide, sorbing material is used to strengthen exhaust purification efficiency, rich
Caused intermediate product and active group in the incomplete reaction of collection or course of reaction；Manganese dioxide, mistake can be selected in metal oxide
Cross metal oxide.
In use, being acted on down by internal axial flow blower 4, extraneous waste gas is collected, is entered by air inlet 2, passes through axle stream first
Blower fan 4, then by air distribution plate 5, the effect of more preferable uniform air intake is realized, enters back into plasma discharge 6, it is net to carry out waste gas
Change is handled, and enters back into catalyst plate 7, adsorbs caused intermediate product and active group in reaction or course of reaction completely, finally
Discharged by air outlet 3.Positive pole elliptical tube 14 in plasma discharge 6 side by side respectively with neighbouring two 15 liang of negative pole elliptical tubes
Two electric discharges, when dusty gas passes through region of discharge, dielectric barrier discharge mode produces plasma, utilizes caused high energy electricity
Son, free radical isoreactivity particle deactivate, ionization, each component in cracking industrial waste gas, a system such as be allowed to decompose, aoxidize
Complicated chemical reaction is arranged, so as to eliminate the various peculiar smell of various discharge of pollutant sources, VOCs pollutants.In addition, in gas discharge
Process produces the reactive species such as ozone, oxygen atom, hydroxyl radical free radical, and the group also has to the bacterium in gas preferably to kill
Bacterium acts on, and also reaction of high order area can be designed, according to pollutant concentration so as to realize more preferable clean-up effect.
It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art understand,
In the case where not departing from the spirit and scope that appended claims are limited, many modifications, change or equivalent can be made, but all
It will fall within the scope of protection of the present invention.
Claims (7)
1. a kind of elliptic dielectric barrier discharge device, including outer framework（1）, it is characterized in that, the outer framework（1）Left end is provided with
Air outlet（3）, the outer framework（1）Right-hand member is provided with air inlet（2）, the outer framework（1）Inner right side is provided with axial flow blower
（4）, the axial flow blower（4）Left side is provided with air distribution plate（5）, the air distribution plate（5）Left side is provided with plasma discharge（6）, institute
State plasma discharge（6）Left side is provided with catalyst plate（7）.
2. a kind of elliptic dielectric barrier discharge device according to claim 1, it is characterized in that, the outer framework（1）With
Air distribution plate（5）For corrosion-resistant metal materials, the air distribution plate（5）Be provided be used for waste gas uniformly through passage（8）.
3. a kind of elliptic dielectric barrier discharge device according to claim 1, it is characterized in that, the plasma discharge
（6）Including support（9）, the support（9）Upper both sides are provided with rectifier panel（10）, the rectifier panel（10）On be fixed with
Rectifier（11）, ventilating fan（12）And press strip（13）, the support（9）Middle part is provided with positive pole elliptical tube（14）With negative pole elliptical tube
（15）, the rectifier panel（10）Inner side, which is provided with, is used for positive pole elliptical tube（14）With negative pole elliptical tube（15）The electricity of electric energy is provided
Source panel（16）.
4. a kind of elliptic dielectric barrier discharge device according to claim 3, it is characterized in that, the support（9）On set
Have for fixing positive pole elliptical tube（14）With negative pole elliptical tube（15）Mounting hole（19）.
5. a kind of elliptic dielectric barrier discharge device according to claim 3, it is characterized in that, the positive pole elliptical tube
（14）With negative pole elliptical tube（15）Including elliptical tube（17）, the elliptical tube（17）It is interior to be filled with conductive metal powder, the ellipse
Pipe（17）Both ends set safety cap（18）.
6. a kind of elliptic dielectric barrier discharge device according to claim 3, it is characterized in that, the positive pole elliptical tube
（14）With negative pole elliptical tube（15）Fire and form for corrosion-resistant inorganic material.
7. a kind of elliptic dielectric barrier discharge device according to claim 1, it is characterized in that, the catalyst plate（7）By
Sorbing material and metal oxide are made, the catalyst plate（7）Structure is cellular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710730098.XA CN107485995A (en) | 2017-08-23 | 2017-08-23 | A kind of elliptic dielectric barrier discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710730098.XA CN107485995A (en) | 2017-08-23 | 2017-08-23 | A kind of elliptic dielectric barrier discharge device |
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| DE19635231A1 (en) * | 1996-08-30 | 1998-03-05 | Siemens Ag | Diesel exhaust gas purification unit combining high-frequency silent plasma discharge and catalytic action |
| CN103785276A (en) * | 2014-01-24 | 2014-05-14 | 北京航空航天大学 | Method and device for purifying catering oil smoke by utilizing synergistic effect of low temperature plasma and catalysts |
| CN203886398U (en) * | 2014-03-21 | 2014-10-22 | 杭州尊邦科技有限公司 | Integrated type plasma catalytic reaction device |
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Application publication date: 20171219 |