CN205461804U - Low temperature plasma concerted catalysis adsorbs improvement organic waste gas discharge device - Google Patents
Low temperature plasma concerted catalysis adsorbs improvement organic waste gas discharge device Download PDFInfo
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- CN205461804U CN205461804U CN201620065575.6U CN201620065575U CN205461804U CN 205461804 U CN205461804 U CN 205461804U CN 201620065575 U CN201620065575 U CN 201620065575U CN 205461804 U CN205461804 U CN 205461804U
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- discharge device
- electric discharge
- medium tube
- temperature plasma
- external electrode
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Abstract
The utility model discloses a low temperature plasma concerted catalysis adsorbs improvement organic waste gas discharge device, including discharge device, discharge device comprises shell and at least a set of discharging rod, discharge device's perpendicular setting of discharging rod in the shell, the back lateral wall of shell sets up at least a set of gas pocket. The utility model discloses put the catalyst in the plasma discharge region, it increases reaction time to have played simultaneously to adsorb. Simple plasma or the adsorption system abundant and absorption incomplete problem inadequately to organic waste gas improvement has been avoided. The effect of waste gas pollution control and treatment is greatly improved, the utility model discloses a technique and device be applicable to the organic waste gas's of low concentration, large -capacity, composition complicacy processing, can react under normal atmospheric temperature, need not increase burning and rising temperature device.
Description
Technical field
This utility model relates to environmental project and plasma science technical field, more specifically
Relate to a kind of low-temperature plasma synergistic catalytic adsorption and administer organic exhaust gas electric discharge device.
Background technology
Along with socioeconomic development, the continuous quickening of process of industrialization, environment and the energy
Problem is increasingly subject to the concern of people.Large-scale commercial production and the row of people's daily life
Put, a large amount of poisonous fume in various degree can be produced, the living environment of the mankind is caused seriously
Threat.At present, major part industrial organic exhaust gas has low concentration, Wind Volume, multicomponent etc.
Feature, traditional Processing tecchnics can not reach to administer requirement.
Traditional administering method includes absorption process, absorption method, condensation method and bioanalysis.Activated carbon
The investment cost of absorption is relatively low, and high treating effect, is the most frequently used VOCs treatment work
Journey technology.But due to activated carbon adsorption saturated after need regeneration, so use activated carbon adsorption
Operating cost higher, and operating process is complicated.Bioremediation investment is equal with operating cost
Relatively low, but run operation complexity, floor space is big, there is the probability of secondary pollution.Catalysis
Combustion method also exists Adsorption Concentration and is desorbed the process of burning again, and equipment volume is relatively big, expensive
Metallic catalyst price is high, once invests the problems such as big.
In recent years, lower temperature plasma technology has caused increasing concern, plasma
Be referred to as the 4th kind of material existing forms in addition to solid-state, liquid and gaseous state, be by electronics,
Ion, free radical and neutral particle composition, overall holding electric neutrality.At low temperature plasma
In, there is O, OH isoreactivity particle that substantial amounts of high energy electron and high energy electron produce, so
The physics of rear initiation series of complex, chemical reaction, make the macromolecule contaminant of complexity be changed into
Simple small-molecule substance, or make poisonous and harmful substance be changed into the nontoxic or low pest of low toxicity
Matter, the removal so that pollutant are degraded.Lower temperature plasma technology have technique simple,
Handling process is short, small investment, occupation of land is little, clearance is high, operating cost is low (mainly shows as
The electricity charge), the feature such as applied widely.
When utilizing Low Temperature Plasma Treating organic exhaust gas and foul waste gas, also there is also some and ask
Topic: 1, under relatively low discharge voltage, to some constitutionally stable voc_s removal efficiency not
High；2, the dusty gas time of staying is short；3, plasma can produce toxicity in purification process
, there is oxidation not in higher intermediate product or be the intermediate product than original molecule more difficult degradation
Complete and ozone remains the problem causing secondary pollution.
For the deficiency of above-mentioned single plasma treatment technique, we have proposed plasma body cooperative and urge
Change adsorption technology.This utility model is plasma, be catalyzed and adsorb the advantage of three big technology folds
Add, the efficient of inferior position complementation removes organic exhaust gas technology.The purpose of this utility model is to provide one
Plant low temperature plasma and catalyst combined removal organic exhaust gas integrated technology and application.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of low-temperature plasma synergistic to urge
Change absorption and administer organic exhaust gas electric discharge device.
In order to realize above-mentioned technical purpose, this utility model adopts the following technical scheme that: low temperature etc.
Gas ions concerted catalysis absorption administer organic exhaust gas electric discharge device, including electric discharge device, described in put
Electric installation is made up of shell and least one set discharging rod；The discharging rod of described electric discharge device vertically sets
Putting in described shell, the rear wall of described shell arranges least one set pore；
Described discharging rod is made up of inside and outside electrode, and described external electrode is curved tubulose by wire netting,
At described external electrode metal webmaster inside center, medium tube, described medium tube are set by fixture
Top be opening shape, catalyst carrier is set between described medium tube and described external electrode, and
Catalyst carrier fills up compacting region between external electrode and medium tube, and described interior electrode is nested
Inside medium tube, the opening of described medium tube seals and arranges, described external electrode and medium tube
Between the end in region be fixed capping by the plug that insulant is made, described puts
Electric installation uses dielectric barrier discharge pattern.
Further, described shell is insulating rigid material high temperature resistant, high pressure resistant, the most hydrophilic；
Described interior electrode is metal tube, and described medium tube is quartz glass tube or pottery pipe.
Further, described electric discharge device includes at least two group discharging rods, described electric discharge device
The dislocation of two adjacent groups discharging rod put, pole terminals in the electric discharge of the discharging rod of described electric discharge device
Being all located at the same plane of side, all discharging rods electric discharge outer pole terminals are all located at opposite side
Same plane.
Further, described medium tube is quartz glass tube or earthenware, and described medium tube
Two ends seal arrange.
Further, described catalyst carrier is grain structure, the material of described catalyst carrier
Matter is activated alumina, molecular sieve or cordierite.
Further, described catalyst is noble metal catalyst, and described catalyst uniformly adheres to
At catalyst support surface.
Further, the mesh of described electric discharge external electrode is less than catalyst carrier particle.
Technical characterstic of the present utility model and effect be:
1) catalyst is placed in plasma discharge by this utility model, simultaneously works as
Absorption increases the response time.Avoid simple plasma or adsorption system for organic exhaust gas
The abundant not and incomplete problem of absorption administered.Substantially increase the effect of waste gas pollution control and treatment.
2) this utility model uses technology and device are applicable to low concentration, atm number, composition
The process of complicated organic exhaust gas.
3) can react at normal temperatures, it is not necessary to increase burning and heat riser.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structure chart of the present utility model.
Fig. 3 is this utility model A-A sectional view.
Fig. 4 is the enlarged drawing in Fig. 2 of the present utility model at B.
Wherein, 1 is shell；2 is discharging rod；3 is external electrode；4 is catalyst carrier；5
For medium tube；6 is interior electrode；7 is electric discharge device；8 is pore；9 is fixture；10
For plug.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below
In conjunction with the embodiments, this utility model is further elaborated.Should be appreciated that this place
The specific embodiment described, only in order to explain this utility model, is not used to limit this practicality new
Type.
With reference to Fig. 1-Fig. 4, this utility model provides low-temperature plasma synergistic catalytic adsorption to administer
Organic exhaust gas electric discharge device, including electric discharge device 7, electric discharge device 7 is by shell 1 and at least
Group discharging rod 2 is constituted；The discharging rod 2 of electric discharge device 7 is vertically set in shell 1, shell
The rear wall of 1 arranges least one set pore 8；
Discharging rod 2 is made up of inside and outside electrode 6,3, and external electrode 3 is curved tubulose by wire netting,
At external electrode 3 metal webmaster inside center, medium tube 5, medium tube 5 are set by fixture 9
Top be opening shape, catalyst carrier 4 is set between medium tube 5 and external electrode 3, and urges
Agent carrier 4 fills up compacting region between external electrode 3 and medium tube 5, and interior electrode 6 is embedding
Being enclosed within medium tube 5 internal, the opening of medium tube 5 seals and arranges, external electrode 3 and medium tube
The plug 10 that the end in the region between 5 is made by insulant is fixed capping,
Electric discharge device 7 uses dielectric barrier discharge pattern, and described interior electrode 6 is at medium tube 5 opening
End draws connecting plug, and described external electrode 3 leaves connecting plug in medium tube 5 bottom, described
The socket of the inside and outside electrode of discharging rod 2 is all connected by wire, and all at device housings 1
Jack-plug socket is left in one end, said two jack-plug socket in processing be respectively necessary for connect with
The two poles of the earth of discharge power supply, catalyst is positioned at discharge of plasma in low temperature region.
With reference to Fig. 1-Fig. 4, it is preferable that shell 1 is insulation high temperature resistant, high pressure resistant, the most hydrophilic
Hard material；Interior electrode 6 is metal tube, and medium tube 5 is quartz glass tube or pottery pipe,
Metal tube as interior electrode is fitted with medium tube inwall as far as possible, at one end leaves lug.
With reference to Fig. 1-Fig. 4, it is preferable that electric discharge device 7 includes at least two group discharging rods 2,
Two adjacent groups discharging rod 2 dislocation of electric discharge device 7 is put, and the discharging rod 2 of electric discharge device 7 is put
In electricity, pole terminals are all located at the same plane of side, and all discharging rods 2 discharge outer pole terminals
It is all located at the same plane of opposite side.
With reference to Fig. 1-Fig. 4, it is preferable that medium tube 5 is quartz glass tube or earthenware, and
The two ends of medium tube 5 seal and arrange.
With reference to Fig. 1-Fig. 4, it is preferable that catalyst carrier 4 be grain structure, be filled in Jie
Between matter pipe and dispatch from foreign news agency polar net, the material of catalyst carrier 4 be activated alumina, molecular sieve or
Cordierite.
With reference to Fig. 1-Fig. 4, it is preferable that catalyst is noble metal catalyst, and catalyst is uniform
It is attached to catalyst carrier 4 surface.
With reference to Fig. 1-Fig. 4, it is preferable that the mesh of electric discharge external electrode 3 is less than catalyst carrier 4
Granule, i.e. described electric discharge external electrode uses has the wire netting of certain degree of hardness to curve tubulose, mesh
Less than catalyst carrier particle.
Therefore this electric discharge device shell 1 uses high pressure resistant insulation material, primarily serves fixing support
The effect of discharging rod 2, avoids occurring between electric discharge device and processing equipment discharge breakdown feelings simultaneously
Condition produces；Discharging rod 2 can put one layer or multilamellar, and it is to need dislocation to put that multilamellar is put,
Reduce device windage, increase organic exhaust gas stopping in low-temperature plasma synergistic catalytic adsorption region
Stay the time, improve treatment effeciency.
Discharging rod 2 is made up of external electrode 3, catalyst carrier 4, medium tube 5, interior electrode 6,
External electrode 3 is curved tubulose by the wire netting of certain degree of hardness, medium tube 5 use quartz glass tube or
Person's earthenware, one end not opening, medium tube 5 is fixed on external electrode 3 wire netting tube hub, logical
Crossing insulant to make fixture and be fixed support, catalyst carrier 4 fills up compacting in dispatch from foreign news agency
Pole 3 and medium tube 5 zone line, the plug that two ends are made by insulant is fixed,
Capping.Interior electrode 6 is the metal tube of processing customized, is nested in medium tube 5 internal, nested most
Amount laminating, it is ensured that the gap between interior electrode 6 and medium tube 5 is the least, interior electrode 6 is at medium
Pipe 5 opening draws connecting plug, and opening needs to seal.External electrode 3 is in medium tube 5 not
Opening leaves connecting plug.In all of discharging rod 2, electrode 6 socket is connected by wire,
And jack-plug socket is left in device housings 1 one end, all of discharging rod 2 external electrode 3 socket leads to
Crossing wire to connect, and leave jack-plug socket at device housings 1 other end, two sockets are processing
Equipment is respectively necessary for connecting the two-stage of discharge power supply.
Therefore catalyst is placed in plasma discharge by this utility model, simultaneously works as
Absorption increases the response time.Avoid simple plasma or adsorption system for organic exhaust gas
The abundant not and incomplete problem of absorption administered.Substantially increase the effect of waste gas pollution control and treatment；
Technology and device that this utility model uses are applicable to low concentration, atm number, the having of complicated component
The process of machine waste gas；Can react at normal temperatures, it is not necessary to increase burning and heat riser.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this reality
With novel, all made within spirit of the present utility model and principle any amendment, equivalent replace
Change and improvement etc., within should be included in protection domain of the present utility model.
Claims (7)
1. low-temperature plasma synergistic catalytic adsorption administers organic exhaust gas electric discharge device, it is characterised in that: including electric discharge device (7), described electric discharge device (7) is made up of shell (1) and least one set discharging rod (2)；The discharging rod (2) of described electric discharge device (7) is vertically set in described shell (1), and the rear wall of described shell (1) arranges least one set pore (8)；
Described discharging rod (2) is by interior, external electrode (6, 3) constitute, described external electrode (3) is curved tubulose by wire netting, at described external electrode (3) metal webmaster inside center, medium tube (5) is set by fixture (9), the top of described medium tube (5) is opening shape, catalyst carrier (4) is set between described medium tube (5) and described external electrode (3), and catalyst carrier (4) fills up compacting region between external electrode (3) and medium tube (5), it is internal that described interior electrode (6) is nested in medium tube (5), the opening of described medium tube (5) seals and arranges, the plug (10) that the end in the region between described external electrode (3) and medium tube (5) is made by insulant is fixed capping, described electric discharge device (7) uses dielectric barrier discharge pattern.
Low-temperature plasma synergistic catalytic adsorption the most according to claim 1 administers organic exhaust gas electric discharge device, it is characterised in that: described shell (1) is insulating rigid material high temperature resistant, high pressure resistant, the most hydrophilic；Described interior electrode (6) is metal tube, and described medium tube (5) is quartz glass tube or pottery pipe.
Low-temperature plasma synergistic catalytic adsorption the most according to claim 1 administers organic exhaust gas electric discharge device, it is characterized in that: described electric discharge device (7) includes at least two group discharging rods (2), two adjacent groups discharging rod (2) dislocation of described electric discharge device (7) is put, in discharging rod (2) electric discharge of described electric discharge device (7), pole terminals are all located at the same plane of side, and all discharging rods (2) electric discharge outer pole terminals are all located at the same plane of opposite side.
Low-temperature plasma synergistic catalytic adsorption the most according to claim 1 administers organic exhaust gas electric discharge device, it is characterized in that: described medium tube (5) is quartz glass tube or earthenware, and the two ends of described medium tube (5) seal and arrange.
Low-temperature plasma synergistic catalytic adsorption the most according to claim 1 administers organic exhaust gas electric discharge device: it is characterized in that: described catalyst carrier (4) is grain structure, and the material of described catalyst carrier (4) is activated alumina, molecular sieve or cordierite.
Low-temperature plasma synergistic catalytic adsorption the most according to claim 1 administers organic exhaust gas electric discharge device, it is characterised in that: described catalyst is noble metal catalyst, and described catalyst is uniformly attached to catalyst carrier (4) surface.
Low-temperature plasma synergistic catalytic adsorption the most according to claim 1 administers organic exhaust gas electric discharge device, it is characterised in that: the mesh of described electric discharge external electrode (3) is less than catalyst carrier (4) granule.
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| CN201620065575.6U CN205461804U (en) | 2016-01-22 | 2016-01-22 | Low temperature plasma concerted catalysis adsorbs improvement organic waste gas discharge device |
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| CN201620065575.6U CN205461804U (en) | 2016-01-22 | 2016-01-22 | Low temperature plasma concerted catalysis adsorbs improvement organic waste gas discharge device |
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| CN205461804U true CN205461804U (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498529A (en) * | 2016-01-22 | 2016-04-20 | 中科新天地（合肥）环保科技有限公司 | Low-temperature plasma concerted catalysis discharging device for adsorbing and treating organic waste gas |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498529A (en) * | 2016-01-22 | 2016-04-20 | 中科新天地（合肥）环保科技有限公司 | Low-temperature plasma concerted catalysis discharging device for adsorbing and treating organic waste gas |
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| GR01 | Patent grant |