CN208145767U - A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis - Google Patents
A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis Download PDFInfo
- Publication number
- CN208145767U CN208145767U CN201820197533.7U CN201820197533U CN208145767U CN 208145767 U CN208145767 U CN 208145767U CN 201820197533 U CN201820197533 U CN 201820197533U CN 208145767 U CN208145767 U CN 208145767U
- Authority
- CN
- China
- Prior art keywords
- temperature plasma
- low
- plasma
- cleaning plant
- synergistic
- 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.)
- Active
Links
Abstract
A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis of the utility model, it is good purification, without secondary pollution.Including：Flue shell, flow straightening grid, dust filtering component, reaction of low temperature plasma component, tail flue gas adsorption element and flue shell side axial flow blower.The reaction of low temperature plasma component includes more by the plasma reaction pipe of certain arrangement mode composition, arrangement fixed plate and high-voltage ac power；The plasma reaction pipe main body is cylinder type glass tube, its outer wall closely attaches one layer of mesh electrode, axle center is placed with a metal inner electrode, there are two cylinder type glass tube arrangements can make the aperture baffle of flue gas circulation, be filled with the catalyst with a fixed gap between two aperture baffles.It generates low temperature plasma based on dielectric barrier discharge to react with VOCs, and synergistic sorption catalytic action improves removal efficiency and discharge stability, high-voltage ac power voltage class is 15~24kV.
Description
Technical field
The utility model relates to industrial flue gas cleaning technology field, specially a kind of low-temperature plasma synergistic adsoption catalysis
Gas cleaning plant.
Background technique
Volatile organic compounds (Volatile Organic Compounds, the letter generated in China's course of industrialization
Claim VOCs) have become a kind of important prerequisite substance of China's city haze and regional atmospheric combined pollution.Studies have shown that China
34.5% from industry in VOCs source of gaseous emission.Traditional VOCs purification techniques such as active carbon adsorption, is born biofiltration process
Ion technology and adsoption catalysis technology etc., there is low efficiency, degradation type is single, operating cost is high and is also easy to produce secondary pollution
The disadvantages of.
In the prior art, the patent document of Publication No. CN105749744A discloses a kind of " filled type low-temperature plasma
Body synergistic sorption be catalyzed VOCs purification device ", the device by pre-dedusting device, intake channel, interlude and exit passageway successively
It connects, reaction of low temperature plasma device is provided in interlude, is filled with catalyst and active carbon in reactor.The device does not fill
Divide and consider that low-temperature plasma reactor actual operation parameters, active carbon and catalyst mixed-arrangement are unfavorable for part replacement, and can
Ozone secondary pollution can be led to the problem of, thus clean-up effect is bad, is unfavorable for commercial introduction utilization.
The patent document of Publication No. CN103785276B discloses one kind and " utilizes the association of low temperature plasma and catalyst
The method and apparatus of same-action purification kitchen fumes ", this method allows oil smoke to pass sequentially through reaction of low temperature plasma area and catalysis
Reaction zone, VOCs contained by oil smoke is partially oxidized in reaction of low temperature plasma area, and is further oxidized in catalytic reaction zone.
The apparatus and method provide the new approaches of processing VOCs, can both handle polluted gas, and avoid the generation of ozone secondary pollution, can
Field of industrial production is extended to, but need to need to improve according to industrial production.
Utility model content
Aiming at the problems existing in the prior art, the utility model provides a kind of low-temperature plasma synergistic adsoption catalysis
Gas cleaning plant, structure is simple, and processing VOCs effect is good, can avoid ozone secondary pollution, has replicability.
The utility model is achieved through the following technical solutions：
A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis, including flue shell and along flow of flue gas side
To at least one the reaction of low temperature plasma component being sequentially arranged in flue shell；
The reaction of low temperature plasma component includes two arrangement fixed plates, is arranged between two arrangement fixed plates
Plasma reaction pipe, and the high-voltage ac power for the power supply of plasma reaction pipe；More parallel plasmas are anti-
Should pipe along flow of flue gas direction arrange；
The plasma reaction pipe includes cylinder type glass tube, is closely attached to the netted of cylinder type glass pipe outer wall
Electrode passes through metal inner electrode and is arranged in cylinder type glass tube along the metal inner electrode of cylinder type glass tube shaft core position setting
Two aperture baffles that inside can make flue gas circulate, the catalyst being filled between two aperture baffles；
The high-voltage ac power is for connecting mesh electrode and metal inner electrode as the power supply of plasma reaction pipe.
It preferably, further include flow straightening grid, dust filtering component and the tail flue gas absorption being sequentially arranged along flow of flue gas direction
Component；Reaction of low temperature plasma component is sequentially arranged between dust filtering component and tail flue gas adsorption element.
Preferably, flue shell side is disposed with the axial flow blower vertical with plasma reaction pipe, and axial flow blower is used for
It ventilates to flue shell.
Preferably, axial flow blower is arranged in a one-to-one correspondence with reaction of low temperature plasma component respectively, axial flow blower axis pair
Answer setting in the middle part of plasma reaction pipe.
Preferably, the catalyst is the solid particle catalyst of 3~5mm of partial size, in gap filling in plasma
In reaction tube.
Preferably, more parallel plasma reaction pipes are in layered arrangement in the vertical direction, neighbouring two layers
Plasma reaction pipe is in interlaced arrangement in the horizontal direction.
Further, the plasma reaction pipe quantity of middle layer is most, and the quantity of intermediate layer each up and down is successively reduced.
Preferably, the cylinder type glass tube is made of quartz glass, and wall thickness is 1~3mm；The netted electricity
Pole is made of 304 stainless steels or metallic aluminium；The metal inner electrode is made of 304 stainless steels or metallic copper, diameter be 1.5~
3mm。
Preferably, a series of through-holes and counterbore are offered in the arrangement fixed plate；Through-hole diameter is anti-with plasma
It answers bore identical, imports and be discharged for flue gas；Counter bore hole diameters are identical as plasma reaction pipe outside diameter, for it is fixed etc. from
Daughter reaction tube.
Preferably, the high-voltage ac power voltage class is 15~24kV.
Compared with prior art, the utility model has technical effect beneficial below：
Removing VOCs basic principle of the utility model based on low-temperature plasma synergistic adsoption catalysis, while according to experiment
Research and conceptual design are with specific reference to realistic feasibility.The present apparatus is when being removed respectively in each plasma
It is carried out in precursor reactant pipe, on the one hand can guarantee removal effect, it is anti-on the other hand low temperature plasma can be arranged according to demand
Answer number of components；By cylinder type glass tube, the basis that is equipped with of mesh electrode and metal inner electrode is provided not only, and
Catalyst is uniformly and effectively distributed between the electrodes, with removal effect is good, without secondary pollution, low energy consumption, operation
The removal efficiency of VOCs not only can be improved in the advantages that at low cost, used low-temperature plasma synergistic adsoption catalysis technology, also
It is advantageously implemented plasma reaction pipe Uniform Discharge, improves the service life of device.
Further, by other components of setting, the rectification and filtering of flue gas be can be realized, guarantee gas cleaning
Effect.
Further, it can guarantee that the operating temperature of reaction of low temperature plasma component is permanent by the setting of axial flow blower
It is fixed, improve its service life.
Further, by the way that the layering of plasma reaction pipe, alternation sum be non-etc., quantity arrangement not only ensure that purification effect
Rate, and reduce its whole cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of device described in the utility model.
Fig. 2 is plasma reaction pipe described in the utility model and arrangement fixed plate schematic diagram.
Fig. 3 is plasma reaction pipe schematic diagram described in the utility model.
Fig. 4 is the left view in Fig. 3 at I.
Fig. 5 a is the effect picture for having catalyst in plasma reaction pipe described in the utility model.
Fig. 5 b is the effect picture without catalyst in plasma reaction pipe described in the utility model.
In figure：Flue shell 1, flow straightening grid 2, dust filtering component 3, reaction of low temperature plasma component 4, tail flue gas absorption
Component 5, axial flow blower 6, plasma reaction pipe 7, fixed plate 8 of arranging, high-voltage ac power 9, cylinder type glass tube 71 are netted
Electrode 72, metal inner electrode 73, aperture baffle 74, catalyst 75.
Specific embodiment
The utility model is described in further detail below with reference to specific example, described is to the utility model
It explains rather than limits.
The utility model is based on experimental study, researches and develops a kind of gas purification of low-temperature plasma synergistic adsoption catalysis technology
Device, for handling VOCs that is produced in industrial processes and discharging.
As shown in Figure 1, utility model device is arranged in flue shell 1, it successively include rectification along flow of flue gas direction
Grid 2, dust filtering component 3, reaction of low temperature plasma component 4 and tail flue gas adsorption element 5,1 side arrangement of flue shell have
Axial flow blower 6.The reaction of low temperature plasma component 4 is by plasma reaction pipe 7, arrangement fixed plate 8 and high-voltage alternating
Power supply 9 forms.As shown in Fig. 2, more root knot structures and the identical plasma reaction pipe 7 of clean-up effect press one with arrangement fixed plate 8
Determine mode to cooperate.As shown in figure 3,7 main body of plasma reaction pipe is cylinder type glass tube 71, outer wall closely attaches one
Layer mesh electrode 72, shaft core position have a metal inner electrode 73, as shown in figure 4, there are two can make flue gas circulate to internal arrangement
Aperture baffle 74, filled with the catalyst 75 with a fixed gap between two aperture baffles 74.
Wherein, 71 material of cylinder type glass tube is quartz glass, and wall thickness is 1~3mm；Web-like electrode material is 304
Stainless steel or aluminium；The metal inner electrode material of cylinder type glass tube 71 is 304 stainless steels or copper material, and diameter is 1.5~3mm；
Catalyst 75 is the solid particle of 3~5mm of partial size；Arrangement 8 material of fixed plate is polytetrafluoroethylene (PTFE), and is offered by certain way
A series of through-holes and counterbore.8 through-hole diameter of fixed plate of arranging is identical as plasma reaction bore, gentle for flow of flue gas
Body purification；8 counter bore hole diameters of fixed plate of arranging are identical as plasma reaction pipe outside diameter, for fixing plasma reaction pipe.
When practical operation, the exhaust gas containing VOCs is collected air port and enters device, and the air-flow adjustment of grid 2 rectified first makes to flow
It is uniform and stable, then remove a small amount of fine particle contained in air-flow by dust filtering component 3, enter back into two-stage low temperature etc. from
Daughter reaction part 4 carries out reaction removing VOCs, and the clean gas after reaction finally passes through at tail flue gas adsorption element 5
Reason is further ensured that discharge gas cleans and avoids generating secondary pollution, and final air-flow is discharged into atmosphere by chimney.Flue shell
1 side arrangement has axial flow blower 6, for guaranteeing the working temperature constant of reaction of low temperature plasma component 4.
Fig. 5 a and Fig. 5 b are shown in plasma reaction pipe whether there is or not effect diagram when catalyst, can be with by comparison
Find out, by be put into catalyst generate low temperature plasma and catalyst synergistic sorption catalytic action, can be improved low temperature etc. from
The discharge stability and uniformity of daughter, while catalyst itself has adsoption catalysis effect, can be improved low temperature plasma with
Reactivity between VOCs group, and then improve gas purification removal effect.When practical operation, high-voltage ac power voltage class
It is best for 15~24kV effect.
Claims (10)
1. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis, it is characterised in that：Including flue shell (1) and
At least one the reaction of low temperature plasma component (4) being sequentially arranged in along flow of flue gas direction in flue shell (1)；
The reaction of low temperature plasma component (4) includes two arrangement fixed plates (8), is arranged in two arrangement fixed plates
(8) plasma reaction pipe (7) between, and the high-voltage ac power (9) for plasma reaction pipe (7) power supply；More
Parallel plasma reaction pipe (7) is arranged along flow of flue gas direction；
The plasma reaction pipe (7) includes cylinder type glass tube (71), is closely attached to cylinder type glass tube (71) outside
The mesh electrode (72) of wall passes through electricity in metal along the metal inner electrode (73) of cylinder type glass tube (71) shaft core position setting
Two aperture baffles (74) that pole (73) setting can make flue gas circulate inside cylinder type glass tube (71), are filled in two and open
Catalyst (75) between hole baffle (74)；
The high-voltage ac power (9) is for connecting mesh electrode (72) and metal inner electrode (73) as plasma reaction pipe
(7) it powers.
2. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis according to claim 1, feature exist
In：It further include the flow straightening grid (2), dust filtering component (3) and tail flue gas adsorption element being sequentially arranged along flow of flue gas direction
(5)；Reaction of low temperature plasma component (4) is sequentially arranged between dust filtering component (3) and tail flue gas adsorption element (5).
3. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis according to claim 1, feature exist
In：Flue shell (1) side arrangement has the axial flow blower vertical with plasma reaction pipe (7) (6), and axial flow blower (6) is used for
It ventilates to flue shell (1).
4. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis as described in claim 1, it is characterised in that：
Axial flow blower (6) is arranged in a one-to-one correspondence with reaction of low temperature plasma component (4) respectively, axial flow blower (6) axis is corresponding etc. from
Setting in the middle part of daughter reaction tube (7).
5. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis according to claim 1, feature exist
In：The catalyst (75) is the solid particle catalyst of 3~5mm of partial size, in gap filling in plasma reaction pipe (7)
It is interior.
6. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis according to claim 1, feature exist
In：More parallel plasma reaction pipes (7) are in layered arrangement in the vertical direction, and neighbouring two layers of plasma is anti-
(7) should be managed in the horizontal direction in interlaced arrangement.
7. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis as claimed in claim 6, it is characterised in that：
Plasma reaction pipe (7) quantity of middle layer is most, and the quantity of intermediate layer each up and down is successively reduced.
8. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis as described in claim 1, it is characterised in that：
The cylinder type glass tube (71) is made of quartz glass, and wall thickness is 1~3mm；The mesh electrode is stainless by 304
Steel or metallic aluminium are made；The metal inner electrode (73) is made of 304 stainless steels or metallic copper, and diameter is 1.5~3mm.
9. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis as described in claim 1, it is characterised in that：
A series of through-holes and counterbore are offered in the arrangement fixed plate (8)；Through-hole diameter and plasma reaction pipe (7) internal diameter phase
Together, it imports and is discharged for flue gas；Counter bore hole diameters are identical as plasma reaction pipe (7) outer diameter, anti-for fixing plasma
(7) should be managed.
10. a kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis as described in claim 1, feature exist
In：High-voltage ac power (9) voltage class is 15~24kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820197533.7U CN208145767U (en) | 2018-02-05 | 2018-02-05 | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820197533.7U CN208145767U (en) | 2018-02-05 | 2018-02-05 | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208145767U true CN208145767U (en) | 2018-11-27 |
Family
ID=64381582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820197533.7U Active CN208145767U (en) | 2018-02-05 | 2018-02-05 | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208145767U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325380A (en) * | 2018-02-05 | 2018-07-27 | 西安交通大学 | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis |
| CN111405741A (en) * | 2020-04-26 | 2020-07-10 | 武汉理工大学 | Low-temperature plasma generating device |
| CN113144899A (en) * | 2021-04-20 | 2021-07-23 | 重庆科技学院 | Low-temperature plasma catalysis experimental device for purifying tail gas |
-
2018
- 2018-02-05 CN CN201820197533.7U patent/CN208145767U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325380A (en) * | 2018-02-05 | 2018-07-27 | 西安交通大学 | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis |
| CN111405741A (en) * | 2020-04-26 | 2020-07-10 | 武汉理工大学 | Low-temperature plasma generating device |
| CN113144899A (en) * | 2021-04-20 | 2021-07-23 | 重庆科技学院 | Low-temperature plasma catalysis experimental device for purifying tail gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108325380A (en) | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis | |
| CN208145767U (en) | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis | |
| CN201200858Y (en) | Low-temperature plasma + composite photocatalysis industrial waste gas treater | |
| CN202762288U (en) | Multi-tube parallel type low-temperature plasma device for purifying harmful gas | |
| CN101934190A (en) | Matrix type dielectric barrier discharge plasma peculiar smell gas treatment device | |
| CN102252357A (en) | Kitchen oil mist and lampblack purifier | |
| WO2013143080A1 (en) | Air cleaning device and plasma generator | |
| CN202762284U (en) | Low-temperature plasma reaction tube for harmful gas purification | |
| CN207085583U (en) | A kind of industrial waste gas filter | |
| CN112197393A (en) | Plasma indoor air purification device | |
| CN104906948B (en) | A kind of controllable type plasma body cooperative catalyst air cleaning system and using method | |
| CN202122901U (en) | Tableware-kitchen oil mist and oily fume purifier | |
| CN102434920A (en) | Wall-mounted indoor air purification device | |
| CN203886398U (en) | Integrated type plasma catalytic reaction device | |
| CN103752412B (en) | Spike electrode for plasma catalytic reactor, and plasma catalytic reactor comprising same | |
| CN206823546U (en) | A kind of plasma-catalytic purification gas processing unit | |
| CN202328548U (en) | Wall-mounted indoor air purification device | |
| CN101664626A (en) | Method for treating industrial organic waste gases | |
| CN211302639U (en) | Low temperature plasma active carbon all-in-one | |
| CN201823455U (en) | Device generating plasma through matrix type medium DSB (dielectric barrier discharge) to process peculiar smell gases | |
| CN202366614U (en) | Coating exhaust gas purifier | |
| CN204337990U (en) | A kind of UV photodissociation cleaning equipment processing petrifaction sewage stench | |
| CN207266823U (en) | A kind of ceramics decoration firing smoke eliminator | |
| CN201783268U (en) | Integrated welding fume purifier | |
| CN211096281U (en) | Plasma low-temperature sterilization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |