CN202113752U - Nonequilibrium state plasma purifier - Google Patents
Nonequilibrium state plasma purifier Download PDFInfo
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- CN202113752U CN202113752U CN201120190070XU CN201120190070U CN202113752U CN 202113752 U CN202113752 U CN 202113752U CN 201120190070X U CN201120190070X U CN 201120190070XU CN 201120190070 U CN201120190070 U CN 201120190070U CN 202113752 U CN202113752 U CN 202113752U
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Abstract
The utility model relates to a nonequilibrium state plasma purifier, belonging to the technical field of environment pollution control. The nonequilibrium state plasma purifier comprises a power supply, a nonequilibrium state plasma reactor and a tail gas active carbon adsorption purifier, wherein the closed nonequilibrium state plasma reactor is internally provided with a discharge electrode and a grounding electrode, the power supply is connected with the discharge electrode through a high voltage wire, and the grounding electrode is grounded through a grounding line; the discharge electrode is vertical to the grounding electrode, and a base plate is parallel to the grounding electrode and arranged in the nonequilibrium state plasma reactor; the discharge electrode is arranged on the surface of one side of the base plate facing the grounding electrode and is vertical to the base plate; two gas inlets are arranged at one side inside the reactor near the grounding electrode and are symmetrically distributed vertically; two gas outlets are symmetrically distributed at one side inside the reactor near the base plate vertically; and both the gas outlets are simultaneously connected with the tail gas active carbon adsorption purifier. With the adoption of the reactor mode, the waste gas treatment efficiency is greatly improved, the structure is simple, the applicability is strong, and the operation cost is low.
Description
Technical field
The utility model is a kind of pollutant purification treating apparatus to atmosphere improvement field, and especially a kind of reverse-flow nonequilibrium plasma reaction unit belongs to the environmental pollution treatment technology field.
Background technology
Along with the continuous expansion of human production activity and life activity, the exhaust emission composition that is discharged in the environment was both complicated, and venomous injurant increases day by day.Not only caused serious destruction, also brought immeasurable harm to the mankind itself to ecological environment.Traditional waste treatment technique can not meet the needs of, and the nonequilibrium plasma technology has advantages such as development cost are low, processing is thorough, non-secondary pollution owing to it, is just receiving the extensive concern of research field.
Main component in the waste gas has: total suspended particles, floating dust, oxysulfide, nitrogen oxide, hydrogen sulfide, ammonia, oxycarbide and organic vapor (VOCs) etc.They come from domestic pollution source, industrial pollution source and transportation source respectively.Common treatment technology has: mechanical filter, liquid adsorption, solid absorption, Electrostatic Absorption, catalyzed conversion etc.These technology play an important role to the improvement of waste gas.But defectives such as along with complicated, the concentration of exhaust gas constituents increases, these technological efficient are low, primary pollution, etching apparatus, complex process, investment are big, operating cost height reveal gradually.Most active a few days ago exhaust gas treatment technology is when number non-equilibrium plasma technology.The pulsed discharge desulphurization denitration technology that the end of the eighties, Masnda S. proposed first belongs to this technological category.
Suspended particulate and floating dust are suspended in the air with gaseous state and aerosolized for a long time in the industrial waste gas, and atmospheric environment has been caused serious pollution, and wherein the particle of particle diameter between 0.1～5um goes maximum to human body danger.The non-equilibrium plasma technology is these particles in the scavenging effectively.It handles mechanism: through the non-equilibrium plasma of non-homogeneous discharge (like corona discharge) generation; Electronics wherein and ion under the effect of gradient fields with waste gas in particle collide each other and attached on these particles; Make it to become charged particle, so collected by dust collecting electrode.
Plasma processor reason to other gaseous contaminant in the waste gas is: contain a large amount of high energy electrons, ion, excited state particle and have the very free radical of strong oxidizing property in the plasma through the gas discharge generation, wherein the average energy of active particle is higher than the bond energy of gas molecule.The result of these active particles and harmful molecular collision is to open the gas molecule key on the one hand and generate some monoatomic molecules and solia particle; The opposing party and produce a large amount of OH, HO
2, free radical and the extremely strong O of oxidisability such as O
3By these monoatomic molecules, free radical and O
3Deng the caused chemical reaction of forming of active particle, the harmful substance in the waste gas becomes innocuous substance the most at last.
The utility model content
The purpose of the utility model be to provide a kind of novel, effectively, the adverse current needle plate formula non-equilibrium plasma purifier of low energy consumption.
The emission-control equipment that the utility model provides; Be corona discharge and dielectric barrier discharge to be combined produce the non-equilibrium plasma technology; Reactor type of being pin-plank frame adopts the form of pollutant air-flow and the non-equilibrium plasma passage counter current contacting waste gas of degrading.This device has simple in structure, and floor space is little, and is widely applicable, high treating effect.
A kind of non-equilibrium plasma purifier of the utility model is characterized in that: a kind of non-equilibrium plasma purifier is characterized in that: comprise power supply 5, non-equilibrium plasma reactor 6 and tail gas charcoal absorption clarifier 10; Sparking electrode 1, earth electrode 2 are installed in non-equilibrium plasma reactor 6, through high-tension bus-bar 8 power supply 5 are linked to each other with sparking electrode 1, earth electrode 2 is through earth connection 9 ground connection; Sparking electrode 1 is perpendicular to earth electrode 2, and sparking electrode 1 is the solid or hollow needle point, solid or hollow metal is excellent or metal tube of radius of curvature＜10mm; Basal disc 7 is ganoid metal plate, and basal disc 7 all adopts 3～5mm steel plate to make with earth electrode 2, and the aperture is 40～60mm, and percent opening is 50%～65%; Basal disc 7 parallel earth electrodes 2 are laid in the non-equilibrium plasma reactor 6; Basal disc 7 is equipped with sparking electrode 1 towards earth electrode 2 one side surfaces, and sparking electrode 1 is vertical with basal disc 7; Spacing between sparking electrode 1 and the earth electrode 2 is 1cm～12cm; In non-equilibrium plasma reactor 6, be provided with 3, two air inlets 3 of two air inlets near a side of earth electrode 2 and be symmetrically distributed up and down, non-equilibrium plasma reactor 6 overall structures are airtight; In non-equilibrium plasma reactor 6, lay two gas outlets 4 near symmetry about the side of basal disc 7; Two gas outlets 4 are connected on the tail gas charcoal absorption clarifier 10 simultaneously.
A kind of non-equilibrium plasma purifier that the utility model provided is compared significantly with existing non-equilibrium plasma purifier and is not both:
Between sparking electrode 1 and earth electrode 2, formed the non-equilibrium plasma passage; The dusty gas that gets into reactor 6 contacts with the non-equilibrium plasma passage is reverse; Improve the collision probability and the collision rate of high energy electron, strong oxidizing property free radical and quasi-neutrality molecule in the plasma channel, thereby improved isoionic utilization rate; Non-equilibrium plasma reactor 6 overall structure seal operation have been utilized the principle of plenum chamber, and the clarifier internal pressure is balanced, helps gaseous contaminant air-flow and concentration stabilize; Adopt exhaust purifier, reached the innoxious completely discharging of pollutant waste gas; Simultaneously, this device combines corona discharge and dielectric barrier discharge, has avoided the generation of electric arc at interdischarge interval, is beneficial to generate the plasma active group.
In a word, this reactor types has improved treatment of waste gas efficient to a great extent, and simple in structure, and applicability is strong, and operating cost is low.
Adopt this purifier purifying VOCs gas, find that more general pin-plate-type reactor has improved more than 15% gaseous state VOCs pollutant purification effect, dust removing effects is brought up to more than 99.99%.
Description of drawings
Fig. 1 is the process flow diagram of the utility model.
Fig. 2 is the pin-board-like electrode structure sketch map of the utility model.
Fig. 3 is the needle tubing-board-like electrode structure sketch map of the utility model.
Among the figure, 1. sparking electrode, 2. earth electrode; 3. air inlet, 4. gas outlet, 5. power supply, 6. non-equilibrium plasma reactor, 7. basal disc, 8. high-tension bus-bar, 9. earth conductor cable, 10. exhaust purifier.
The specific embodiment
Non-equilibrium plasma reactor 6 overall structure seal operation have been utilized the principle of plenum chamber, and the clarifier internal pressure is balanced, helps gaseous contaminant air-flow and concentration stabilize; Sparking electrode 1, earth electrode 2 are the needle plate formula, and sparking electrode 1 is perpendicular to earth electrode 2, and pin type sparking electrode 1 is the solid or hollow needle point, solid or hollow metal is excellent or metal tube of radius of curvature＜10mm, and pin type sparking electrode 1 is placed on the basal disc 7; Basal disc 7 is ganoid metal plate, and when sparking electrode 1 was solid, after the waste gas of entering and the nonequilibrium plasma effect, evenly distributed holes row was discharged by gas outlet 4 to purifier 6 gas outlets 4 at last from the basal disc 7; When sparking electrode 1 is hollow, atresia on the basal disc 7, purifying exhaust air is discharged by sparking electrode 1; Spacing between pin type sparking electrode 1 and the template earth electrode 2 is 6cm; Earth electrode 2 ground connection, earth resistance≤4 Ω.
Power supply 5 output high pressure; Be applied between discharge electrode 1 and the earth electrode 2; Distance, power supply 5 output voltage peak values between adjustment sparking electrode 1 and the earth electrode 2; Make when electric-field intensity reaches 8kV/cm between sparking electrode 1 and the earth electrode 2, between electrode 1, electrode 2, form the non-equilibrium plasma passage, in passage, have a large amount of high energy electrons, strong oxidizing property group and quasi-neutrality molecule; Pretreated gaseous contaminant gets into purifier 6 by air inlet 3, contacts with plasma channel is reverse, fully after the reaction, by purifier 6 gas outlets, 4 dischargings; Emission gases enters atmosphere after through additional exhaust purifier 10.
Adhere to a certain amount of catalyst at electrode surface.Catalyst is with modified barium carbonate Ba
0.8Sr
0.2Zr
0.1Ti
0.9O
3Be carrier, carrier surface load MnO
2/ γ-Al
2O
3Deng metal oxide as active component.
Pollutant waste gas again through additional exhaust purifier 10, reaches the purpose of thorough purification through behind the plasma for purification.Exhaust purifier 10 adopts absorbent charcoal adsorber.
Adopt this purifier purifying VOCs gas, find that more general pin-plate-type reactor has improved more than 15% gaseous state VOCs pollutant purification effect, dust removing effects is brought up to more than 99.99%.
Claims (1)
1. a non-equilibrium plasma purifier is characterized in that: comprise power supply (5), non-equilibrium plasma reactor (6) and tail gas charcoal absorption clarifier (10); Sparking electrode (1), earth electrode (2) are installed in non-equilibrium plasma reactor (6), through high-tension bus-bar (8) power supply (5) are linked to each other with sparking electrode (1), earth electrode (2) is through earth connection (9) ground connection; Sparking electrode (1) is perpendicular to earth electrode (2), and sparking electrode (1) is the solid or hollow needle point, solid or hollow metal is excellent or metal tube of radius of curvature＜10mm; Basal disc (7) is ganoid metal plate, and basal disc (7) and earth electrode (2) all adopt 3～5mm steel plate to make, and the aperture is 40～60mm, and percent opening is 50%～65%; The parallel earth electrode of basal disc (7) (2) is laid in the non-equilibrium plasma reactor (6); Basal disc (7) is equipped with sparking electrode (1) towards earth electrode (2) one side surfaces, and sparking electrode (1) is vertical with basal disc (7); Spacing between sparking electrode (1) and the earth electrode (2) is 1cm～12cm; Side near earth electrode (2) in non-equilibrium plasma reactor (6) is provided with two air inlets (3), and two air inlets (3) are symmetrically distributed up and down, and non-equilibrium plasma reactor (6) overall structure is airtight; In non-equilibrium plasma reactor (6), lay two gas outlets (4) near symmetry about the side of basal disc (7); Two gas outlets (4) are connected on the tail gas charcoal absorption clarifier (10) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120190070XU CN202113752U (en) | 2011-06-08 | 2011-06-08 | Nonequilibrium state plasma purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120190070XU CN202113752U (en) | 2011-06-08 | 2011-06-08 | Nonequilibrium state plasma purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202113752U true CN202113752U (en) | 2012-01-18 |
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ID=45454851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120190070XU Expired - Fee Related CN202113752U (en) | 2011-06-08 | 2011-06-08 | Nonequilibrium state plasma purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202113752U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108541124A (en) * | 2018-04-27 | 2018-09-14 | 浙江大维高新技术股份有限公司 | A kind of honeycomb low temperature plasma generating means and its application method |
| CN109173591A (en) * | 2018-10-11 | 2019-01-11 | 中国矿业大学(北京) | A kind of recirculating fluidized bed VOCs adsorption and regeneration device and its operation method |
| CN116963847A (en) * | 2021-12-30 | 2023-10-27 | 米凯·亚历山大维奇·米山尼诺夫 | Reactor of waste treatment device |
-
2011
- 2011-06-08 CN CN201120190070XU patent/CN202113752U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108541124A (en) * | 2018-04-27 | 2018-09-14 | 浙江大维高新技术股份有限公司 | A kind of honeycomb low temperature plasma generating means and its application method |
| CN109173591A (en) * | 2018-10-11 | 2019-01-11 | 中国矿业大学(北京) | A kind of recirculating fluidized bed VOCs adsorption and regeneration device and its operation method |
| CN116963847A (en) * | 2021-12-30 | 2023-10-27 | 米凯·亚历山大维奇·米山尼诺夫 | Reactor of waste treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20150608 |
|
| EXPY | Termination of patent right or utility model |