CN204219982U - A kind of gas cleaning plant of dielectric barrier discharge - Google Patents
A kind of gas cleaning plant of dielectric barrier discharge Download PDFInfo
- Publication number
- CN204219982U CN204219982U CN201420687006.6U CN201420687006U CN204219982U CN 204219982 U CN204219982 U CN 204219982U CN 201420687006 U CN201420687006 U CN 201420687006U CN 204219982 U CN204219982 U CN 204219982U
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- CN
- China
- Prior art keywords
- dielectric barrier
- barrier discharge
- cleaning plant
- gas
- gas cleaning
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The utility model relates to a kind of gas cleaning plant, particularly relates to a kind of gas cleaning plant utilizing dielectric barrier discharge to remove particle, organic matter or inorganic matter in gas.It is at least provided with an air inlet and a gas outlet, is provided with dielectric barrier discharge portion, at least one high voltage source of making described dielectric barrier discharge portion discharge and at least one blower fan described in it between air inlet and gas outlet; Described dielectric barrier discharge portion is at least provided with at least one dielectric barrier discharge unit; Described dielectric barrier discharge unit comprises the space that conductive electrode, at least one piece of dielectric barrier and Filled Dielectrics thing are formed; Described conductive electrode is connected with described high voltage source.The utility model gas cleaning plant can organic matter, particle and inorganic matter effectively in Purge gas.
Description
Technical field
The utility model relates to a kind of gas cleaning plant, particularly relates to a kind of gas cleaning plant utilizing dielectric barrier discharge to remove particle, organic matter or inorganic matter in gas.
Background technology
Along with the development of society, the environmental pollution that the activity of the mankind causes is on the rise.Current atmosphere quality worsens further, and the multiple gases pollutant that the operations such as ever-increasing industrial waste gas, vehicle exhaust and house decoration produce has started the health of the serious threat mankind.
For the purification of dusty gas, the technology that is widely used at present has mechanical filtration method, Cottrell process, physisorphtion, photocatalytic oxidation, anion method and low temperature plasma method etc.
The 4th state that plasma exists as material, be made up of electronics, ion, free radical and neutral particle, when gas through heating region time, pollutant in these materials and gas reacts, or make it decompose with organic matter generation chemical reaction, or make the charged rear deposition of particle, or the ultraviolet or other Strong oxdiative materials that produce by discharging are by removal of bacteria.
Current most of gas cleaning plant many employings physical absorption principle on the market, its treatment effect is limited to the character of adsorbent, and adsorption effect is not fairly obvious, adsorbent is changed owing to adsorbing saturated rear needs timing simultaneously, makes its application have certain limitation.Even if there is gas cleaning plant (the such as CN2766849Y adopting electric discharge to produce plasma technique, 2006-3-29), but due to its single electric discharge purification techniques, after electric discharge, produce again a large amount of nano-scale particle thing, limited to gas purifying effect, make its more difficult popularization.
Utility model content
The purpose of this utility model be to provide a kind of can the gas cleaning plant of dielectric barrier discharge of organic matter, particle and inorganic matter effectively in Purge gas.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs:
A kind of gas cleaning plant of dielectric barrier discharge, at least be provided with an air inlet and a gas outlet, be provided with dielectric barrier discharge portion described in it between air inlet and gas outlet, at least one high voltage source of making described dielectric barrier discharge portion discharge and at least one blower fan; Described dielectric barrier discharge portion is at least provided with at least one dielectric barrier discharge unit;
Described dielectric barrier discharge unit comprises the space that conductive electrode, at least one piece of dielectric barrier and Filled Dielectrics thing are formed;
Described conductive electrode is connected with described high voltage source.
The conductive electrode of two-stage is connected with two of high voltage source output electrodes, and when being applied on high-tension electricity to the conductive electrode of two in dielectric barrier discharge unit by high voltage source, the space between dielectric layer and filler produces electric discharge, forms discharge space.When the gas containing particle, organic matter or inorganic matter is by passing through Electrostatic Absorption, physical absorption absorption, chemisorbed absorption, chemical reaction by part or all removal of particle contained in gas, organic matter, inorganic matter during discharge space.
As required, this device contains the control system of gas component detection system, gas flowing control gas flow path, blower fan/high voltage source/gas component detection system.
Described gas is the waste gas produced in room air, outdoor air or industrial process, containing particle, organic matter, inorganic matter in gas.Contained particle, its size is 1 nm to 10 μm, and state is mixture that is liquid or solid-state or solid-liquid, and its shape is spherical or aspherical, and particle is organic matter, inorganic matter or mushroom or their mixture;
Described organic matter comprises: aliphatic compound is (as n-hexane, normal heptane, normal octane, n-nonane and n-decane etc.), compound fragrant hydrocarbon is (as stupid, toluene and dimethylbenzene etc.), aldehyde compound is (as formaldehyde, acetaldehyde and hexanal etc.), alcohol compound (methyl alcohol, ethanol, butanols, amylalcohol and ethylene glycol etc.), ketone compounds (acetone, 2-butanone, cyclohexanone and methyl iso-butyl ketone (MIBK) etc.), lipoid substance (ethyl acetate, butyl acetate and pentyl acetate etc.), nitrous compound is (as nitrous acid penta fat, Nomal Butyl acetate and Isobutyl fat etc.), ethers is (as ether, dichloroether and glycol monoethyl ether etc.) amine and nitrile be (as aniline, dimethyl formamide and acrylonitrile etc.), terpene hydrocarbon is (as australene, dish alkene) and halogenated hydrocarbons (as trichloro-ethylene, dichloroethylene, carrene and methyl bromide etc.) etc.,
Described inorganic matter comprises: metal (as, beryllium, cadmium, chromium, copper, iron, mercury, magnesium, manganese, nickel, lead, antimony, selenium, tin, vanadium, zinc, titanium etc.), oxide is (as Al
2o
3, SiO
2, CO, SO
2, NO, NO
2deng), acid (hydrochloric acid, sulfuric acid and phosphoric acid etc.), salt compounds (as carbonate, sulfate, hydrochloride, phosphate, nitrate), cyanide, ammonia etc.;
Described mushroom material comprises: pathogen common in room air has Neisseria meningitidis, tubercle bacillus, hemolytic coccus, corynebacterium diphtheriae, Bordetella pertussis etc.
As preferably, the voltage waveform that high voltage source exports is pulse shape or exchanges shape, and voltage peak is 0.01-150 kV, exchanges or the frequency of pulse is 0.001 ~ 10 kHz.
As preferably, described for dielectric barrier be plastic layer, glassy layer, ceramic layer, rubber layer, mica layer, lumber layer or their mixture layer; .
As preferably, described dielectric impedance layer thickness 0.1-10 mm, long 10-1000 mm, wide 10-1000 mm; Shape is tabular, wound packages, spherical or irregularly shaped.
As preferably, the space that described Filled Dielectrics thing is formed is inorganic material particle or porous three-dimensional net, the space formed piled up by the combined material particle of organic material particles or porous three-dimensional net or inorganic materials and organic material or porous three-dimensional net.
Inorganic material, as pottery, glass, molecular sieve, zeolite etc., organic material, as rubber, plastics and high molecular synthetic material, timber, active carbon, diatomite and bentonite etc. or the combined material of inorganic material and organic material.
As preferably, described conductive electrode shape is cylindrical shape, plate or spherical.
Electrode material be electric conductor just can, as stainless steel, iron, aluminium, copper, nickel, brass, aluminium alloy.
As preferably, described air inlet one end is provided with gas guide board;
Described gas guide board and one end of described air inlet is provided with coarse granule removes net;
Described dielectric barrier discharge portion is arranged on described coarse granule and removes net and away from one end of described gas guide board;
Described dielectric barrier discharge portion and remove net one end away from described coarse granule and be provided with ozone decomposition catalyst layer;
Described blower fan is between described ozone decomposed Catalytic Layer and described gas outlet;
Described ozone decomposition catalyst layer is layer of precious metal, metal oxide layer, inorganic salt deposit or their mixture layer.
Noble metal is as gold, white gold, silver or their mixture.Metal oxide is as magnesia, manganese oxide, zinc oxide, aluminium oxide, iron oxide, cupric oxide, nickel oxide, calcium oxide.Inorganic salts are potassium, sodium, calcium, magnesium, manganese, zinc, aluminium, iron, copper, the sulfate of nickel, nitrate, phosphate, hydrochloride or their mixture.
Dielectric barrier discharge unit can regenerate with liquid rinse.Regeneration can at gas cleaning plant internal implementation, at gas cleaning plant outside plant after also dielectric barrier discharge unit can being taken out from gas cleaning plant inside.Can be provide liquid by liquor pump, described liquid main component be water, optionally adds surfactant or inorganic salts.Liquid can be reused behind gas cleaning plant inside or external purification.
As preferably, described dielectric barrier discharge portion is connected with liquid rinse regenerating unit;
Described liquid rinse regenerating unit comprises and being arranged on liquid spray thrower above described dielectric barrier discharge portion, the reservoir being arranged on described gas guide board one end, the liquid delivery tube connecting described liquid spray thrower and described reservoir, being arranged on liquid pump on described liquid delivery tube and for adsorbing or the filtering collector of filtration of particulate matters or harmful substance.
A kind of dust catcher gas cleaning plant, comprise the gas cleaning plant of described dielectric barrier discharge, described in it, inlet port place is connected with one end of dust suction tracheae, and the other end of described dust suction tracheae is connected with suction port.
A kind of automobile exhaust gas purifying installation, comprise the gas cleaning plant of described dielectric barrier discharge, described in it, inlet port place is connected with one end of blast pipe, and the other end of described blast pipe is connected with engine.
Accompanying drawing explanation
Fig. 1 is gas purification schematic flow sheet of the present utility model;
Fig. 2 is dielectric barrier discharge cell schematics of the present utility model;
Fig. 3 is the schematic diagram after dielectric barrier discharge unit combination of the present utility model;
Fig. 4 is that gas cleaning plant of the present utility model purifies air clean-up effect (particle sum) result of the test of middle particle;
Fig. 5 is that gas cleaning plant of the present utility model purifies air purification (particle size concentration) result of the test of middle particle;
Fig. 6 is that gas cleaning plant of the present utility model purifies air the clean-up effect result of the test of middle formaldehyde;
Fig. 7 is that gas cleaning plant of the present utility model purifies air the clean-up effect result of the test of middle staphylococcus albus;
Fig. 8 is the gas purification schematic flow sheet of band water reuse (treatment of the present utility model;
Fig. 9 is of the present utility model for dust catcher gas purification schematic flow sheet;
Figure 10 is of the present utility model for purifying vehicle exhaust schematic flow sheet.
Wherein,
1 wants cleaned gas
2 gas feeds
3 gas guide boards
4 coarse granules remove net
5 dielectric barrier discharge portions
6 catalyst layers
7 blower fans
8 gas vents
9 are cleaned gas
10 clarifier shells
11 high voltage sourcies
The connecting line in 12 high voltage sourcies and dielectric barrier discharge portion
22 first medium barrier layers
23 second medium barrier layers
24 Filled Dielectrics things
21 first electrodes
25 second electrodes
26 first connecting lines
27 second connecting lines
200 dielectric barrier discharge unit
31 first electrode connecting lines
32 second electrode connecting lines
300 dielectric barrier discharge portions
41 liquid sprays
42 liquid delivery tubes
43 filtering collectors
44 liquid pumps
45 reservoirs
91 suction ports
92 dust suction tracheaes
93 gas flow direction
101 engines
102 blast pipes
103 flow direction of exhaust gases
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Below in conjunction with 3 concrete embodiments, the utility model is described in further detail, describedly only the utility model is made an explanation, and and non-fully limit.
[embodiment 1] indoor air purification
Containing a large amount of particles, organic matter (as formaldehyde), inorganic matter (as NOx) and pathogen in room air.Purified by gas cleaning plant of the present utility model.
Process for purifying flow chart is shown in Fig. 1.The air (containing particle, formaldehyde, bacterium) be cleaned is filtered at this online from the coarse granule removed online air at coarse granule after the import 2 of clarifier enters gas guide board 3.Remove net 4 gas out to dielectric barrier discharge portion 5 from coarse granule, in this portion, the particle in air, formaldehyde and bacterium are discharged removal.The electric discharge in dielectric barrier discharge portion 5 applies alternation high-tension electricity by the connecting line 12 in high voltage source 11 and high voltage source and dielectric barrier discharge portion to dielectric barrier discharge portion 5, makes inside, dielectric barrier discharge portion 5 electric discharge occur to reach the object removing particle, formaldehyde and bacterium.
Gas after dielectric barrier discharge portion 5 processes enters after residual ozone decomposes by catalyst layer 6 and is discharged out clarifier through blower fan 7 from gas vent 8.
A dielectric barrier discharge unit in Fig. 2 display medium barrier discharge portion 5.22 and 23 are respectively first medium barrier layer and second medium barrier layer, and 24 is charges, and 21 and 25 are respectively the first electrode and the second electrode, 26 and 27 the first connecting line and the second connecting lines being respectively electrode and high voltage source.
Fig. 3 is the dielectric barrier discharge portion 5 that multiple dielectric barrier discharge unit forms side by side.31 and 32 the first electrode connecting line and the second electrode connecting lines being respectively electrode and high voltage source.
Described high voltage source 11 is that 220 V exchange input, the high voltage source that 1-10 kV peak value of pulse exports, and exporting pulse is positive and negative alternating impulse, and frequency is 0.001-2 kHz.
Fig. 4 is for utilizing the clean-up effect result of the test of Fig. 1 device (only having a discharge cell) purified treatment particulate in air.In clarifier inlet particle thing, total concentration is 7.5x10
7individual/cm
3; When not discharging, clarifier outlet particle total concentration is 7.5x10
7individual/cm
3, the clean-up effect of Ceramic Balls to particle only has 27.6%; Dielectric barrier discharge portion 5 applies clarifier outlet particle total concentration when high-voltage pulse makes its internal discharge and only has 2.8x10
6individual/cm
3, Ceramic Balls to the clean-up effect of particle up to 95.8%.
Fig. 5 is for utilizing the clean-up effect result of the test of Fig. 1 device (only having a discharge cell) purified treatment particulate in air.A large amount of particle diameter is had to be less than the particle of 100 nanometers in air.When not discharging, clarifier outlet still has a large amount of particle diameters to be less than the particle of 100 nanometers.When applying high-voltage pulse to dielectric barrier discharge portion 5 and making its internal discharge, clarifier outlet particle concentration almost drops to detection boundary.
Fig. 6 is for utilizing the clean-up effect result of the test of Fig. 1 device (only having a discharge cell) purified treatment formaldehyde in air.With the increase of discharge power, the clearance of formaldehyde increases.When discharge power rises to 0.6 more than W, formaldehyde clearance is up to more than 90%.
Fig. 7 is for utilizing the clean-up effect result of the test of staphylococcus albus in Fig. 1 device (only having a discharge cell) purified treatment air.With the increase of discharge power, staphylococcus albus clearance increases.When discharge power rises to 0.3 more than W, staphylococcus albus clearance is up to more than 90%.
Fig. 8 addition of the function of dielectric barrier discharge portion 5 Water spray regenerated from washing for gas cleaning plant shown in Fig. 1.Water from water storage tank 85 by water pump 84 after particle or harmful substance are removed in water in particulate filter/noxious substance agent 83, to Water spray 81 place, Water spray is implemented to dielectric barrier discharge portion 5 through water pipe 82.Below dielectric barrier discharge portion 5, the water containing particle and harmful substance is out stored in wherein water storage tank 85.Because water processes through particulate filter/noxious substance agent 83, so this water can keep clean clean.
[embodiment 2] dust catcher gas purification
Fig. 9 is the process chart of the utility model device for dust catcher gas purification.Wherein 91 is the suction port of dust catcher, and 92 is dust suction tracheae, and 97 is suction fan.
[embodiment 3] purifying vehicle exhaust
Figure 10 is the process chart of the utility model for purifying vehicle exhaust.From automobile engine discharge gas through blast pipe 102 to clarifier import 2 of the present utility model, then discharge from gas vent 8 after treatment.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present utility model.
Claims (10)
1. a gas cleaning plant for dielectric barrier discharge, is at least provided with an air inlet and a gas outlet, it is characterized in that:
Dielectric barrier discharge portion is provided with, at least one high voltage source of making described dielectric barrier discharge portion discharge and at least one blower fan between described air inlet and gas outlet; Described dielectric barrier discharge portion is at least provided with at least one dielectric barrier discharge unit;
Described dielectric barrier discharge unit comprises the space that conductive electrode, at least one piece of dielectric barrier and Filled Dielectrics thing are formed;
Described conductive electrode is connected with described high voltage source.
2. the gas cleaning plant of a kind of dielectric barrier discharge according to claim 1, it is characterized in that: the voltage waveform that high voltage source exports is pulse shape or exchanges shape, voltage peak is 0.01-150kV, and the frequency of interchange or pulse is 0.001 ~ 10 kHz.
3. the gas cleaning plant of a kind of dielectric barrier discharge according to claim 1, is characterized in that: described for dielectric barrier be plastic layer, glassy layer, ceramic layer, rubber layer, mica layer, lumber layer or their mixture layer.
4. the gas cleaning plant of a kind of dielectric barrier discharge according to any one of claim 1-3, is characterized in that: described dielectric impedance layer thickness 0.1-10 mm, long 10-1000 mm, wide 10-1000 mm; Shape is tabular, wound packages, spherical or irregularly shaped.
5. the gas cleaning plant of a kind of dielectric barrier discharge according to claim 4, is characterized in that: the space that described Filled Dielectrics thing is formed is inorganic material particle or porous three-dimensional net, the space formed piled up by the combined material particle of organic material particles or porous three-dimensional net or inorganic material and organic material or porous three-dimensional net.
6. the gas cleaning plant of a kind of dielectric barrier discharge according to claim 5, is characterized in that: described conductive electrode shape is cylindrical shape, plate or spherical.
7. the gas cleaning plant of a kind of dielectric barrier discharge according to claim 6, is characterized in that: described air inlet one end is provided with gas guide board;
Described gas guide board and one end of described air inlet is provided with coarse granule removes net;
Described dielectric barrier discharge portion is arranged on described coarse granule and removes net and away from one end of described gas guide board;
Described dielectric barrier discharge portion and remove net one end away from described coarse granule and be provided with ozone decomposition catalyst layer;
Described blower fan is between described ozone decomposed Catalytic Layer and described gas outlet;
Described ozone decomposition catalyst layer is layer of precious metal, metal oxide layer, inorganic salt deposit or their mixture layer.
8. the gas cleaning plant of a kind of dielectric barrier discharge according to claim 7, is characterized in that: described dielectric barrier discharge portion is connected with liquid rinse regenerating unit;
Described liquid rinse regenerating unit comprises and being arranged on liquid spray thrower above described dielectric barrier discharge portion, the reservoir being arranged on described gas guide board one end, the liquid delivery tube connecting described liquid spray thrower and described reservoir, being arranged on liquid pump on described liquid delivery tube and for adsorbing or the filtering collector of filtration of particulate matters or harmful substance.
9. a dust catcher gas cleaning plant, comprise the gas cleaning plant of the dielectric barrier discharge described in any one of claim 1-8, it is characterized in that: described inlet port place is connected with one end of dust suction tracheae, the other end of described dust suction tracheae is connected with suction port.
10. an automobile exhaust gas purifying installation, comprises the gas cleaning plant of the dielectric barrier discharge described in any one of claim 1-8, it is characterized in that: described inlet port place is connected with one end of blast pipe, and the other end of described blast pipe is connected with engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687006.6U CN204219982U (en) | 2014-11-17 | 2014-11-17 | A kind of gas cleaning plant of dielectric barrier discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687006.6U CN204219982U (en) | 2014-11-17 | 2014-11-17 | A kind of gas cleaning plant of dielectric barrier discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204219982U true CN204219982U (en) | 2015-03-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420687006.6U Expired - Fee Related CN204219982U (en) | 2014-11-17 | 2014-11-17 | A kind of gas cleaning plant of dielectric barrier discharge |
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| CN (1) | CN204219982U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436956A (en) * | 2014-11-17 | 2015-03-25 | 安吉润风空气净化科技有限公司 | Dielectric-barrier discharging gas purification device |
| CN104959233A (en) * | 2015-06-30 | 2015-10-07 | 成都市新都区鑫悦空气净化设备厂 | High-voltage electrostatic coating waste gas purification device |
| CN105841265A (en) * | 2016-05-19 | 2016-08-10 | 西安航科等离子体科技有限公司 | Plasma air purification unit |
| CN107081216A (en) * | 2017-06-07 | 2017-08-22 | 马鞍山市恒利达机械刀片有限公司 | One kind cutting machinery knife production equipment dust arrester |
| WO2020083219A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine exhaust gas treatment system and method |
| CN112879151A (en) * | 2021-01-21 | 2021-06-01 | 无锡市盛道铝塑制造有限公司 | High-power-output efficient low-time-lag turbocharger |
-
2014
- 2014-11-17 CN CN201420687006.6U patent/CN204219982U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436956A (en) * | 2014-11-17 | 2015-03-25 | 安吉润风空气净化科技有限公司 | Dielectric-barrier discharging gas purification device |
| CN104959233A (en) * | 2015-06-30 | 2015-10-07 | 成都市新都区鑫悦空气净化设备厂 | High-voltage electrostatic coating waste gas purification device |
| CN105841265A (en) * | 2016-05-19 | 2016-08-10 | 西安航科等离子体科技有限公司 | Plasma air purification unit |
| CN107081216A (en) * | 2017-06-07 | 2017-08-22 | 马鞍山市恒利达机械刀片有限公司 | One kind cutting machinery knife production equipment dust arrester |
| CN107081216B (en) * | 2017-06-07 | 2018-06-12 | 马鞍山市恒利达机械刀片有限公司 | A kind of cutting machinery knife production equipment dust-extraction unit |
| WO2020083219A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine exhaust gas treatment system and method |
| CN112879151A (en) * | 2021-01-21 | 2021-06-01 | 无锡市盛道铝塑制造有限公司 | High-power-output efficient low-time-lag turbocharger |
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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: 20150325 Termination date: 20161117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |