CN107088362A - A kind of plasma body cooperative catalytic treatment VOCs reactor - Google Patents
A kind of plasma body cooperative catalytic treatment VOCs reactor Download PDFInfo
- Publication number
- CN107088362A CN107088362A CN201710493428.8A CN201710493428A CN107088362A CN 107088362 A CN107088362 A CN 107088362A CN 201710493428 A CN201710493428 A CN 201710493428A CN 107088362 A CN107088362 A CN 107088362A
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- housing
- reactor
- plasma body
- catalytic treatment
- body cooperative
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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
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of plasma body cooperative catalytic treatment VOCs reactor, including：Housing, the side of housing is provided with air inlet, the opposite side of housing is provided with gas outlet, air inlet and gas outlet are mutually correspondingly arranged, housing upper is provided with insulator chamber, inlet channel is provided with housing, inlet channel includes two pieces of positive plates be arrangeding in parallel vertically, the many cathode bars being parallel to each other are vertically arranged with inlet channel, the upper end of cathode bar is fixed in insulator chamber, the inwall of positive plate and housing constitutes outlet passageway, and the space that positive plate is included between two pieces of mesh plates arranged in parallel, two pieces of mesh plates is used to place catalyst.Pass through the insulator chamber of housing upper, creep age distance can be increased, prevent from drifting along etc. filthy in insulator surface attachment, path is formed by insulator both end voltage to be punctured, in addition low temperature plasma is produced using the board-like corona discharge of line, improves the number and the uniformity of distribution of discharge space electronics or living radical.
Description
Technical field
The present invention relates to waste gas pollution control and treatment technical field, more particularly to a kind of plasma body cooperative catalytic treatment VOCs's is anti-
Answer device.
Background technology
With the aggravation of air pollution, the problem of air pollutants are of crucial importance, wherein volatility how are effectively handled
Organic matter (i.e. VOCs, it writes a Chinese character in simplified form for volatile organic compounds English) is a kind of to pollute more serious dirt
Contaminate thing.
Processing VOCs mode is mainly removed by plasma body cooperative catalyst at present, wherein producing plasma
The major way of body is that, by gas discharge, it mainly includes：Glow discharge, radio frequency discharge, corona discharge and dielectric impedance are put
Electricity etc..
Wherein, in glow discharging process, electrode and reaction compartment are in low pressure state, belong to low pressure discharge, by
It is relatively low in air pressure, require equipment closed system higher, it is necessary to which pumped vacuum systems, commercial Application is difficult to realize continuously
Change operation.Radio frequency discharge is low temperature for being made the gas ionization of surrounding them and produced using high frequency (2MHz~60MHz) high pressure etc.
Gas ions, its discharge gas pressure limit relatively wide but discharge process high energy consumption, supply frequency requires high and expensive.Medium
Barrier discharge is also known as between voltolising, two high voltage discharge electrodes and separated by dielectric, and electric discharge is generally driven by ac high voltage source
It is dynamic, it can be carried out under atmospheric pressure and high pressure, as long as air gap is uniform between electrode, can just produce uniform, careless and sloppy and stable electric discharge,
But because discharge space inserts dielectric, resistance increase, electric discharge discharge inception voltage is higher, and power consumption is larger, in addition, in gas
Vapor is easy to condense in medium wall, leads to not regular picture, and the gap of dielectric barrier discharge is typically small, makes its big
Technical scale application is restricted.
And reach one in voltage during the electric field at other positions between corona discharge to be electric field near electrode be far above electrode
Determine the electric discharge phenomena that the gas near degree, electrode is produced by partial breakdown, corona discharge electrode typically has larger song
Rate radius, according to electrode shape, plasma ions reaction structure can be divided into board-like line, spool formula, needle plate type and needle type etc., put
Electric spacing is larger, proper scale chemical industry application, and because its electric discharge is in surrounding them, electric field interval Electron energy distribution is relatively not
.
Therefore, how to provide that a kind of power consumption is relatively low, the high plasma body cooperative catalytic treatment VOCs of removal efficiency reaction
Device, is the technical problem that those skilled in the art are badly in need of solving.
The content of the invention
It is an object of the invention to provide a kind of plasma body cooperative catalytic treatment VOCs reactor, work(can be effectively solved
Consumption is high, the low problem of removal efficiency.
In order to solve the above technical problems, the invention provides following technical scheme：
A kind of plasma body cooperative catalytic treatment VOCs reactor, including：Housing, the side of the housing is provided with air inlet
Mouthful, the opposite side of the housing is provided with gas outlet, and the air inlet and the gas outlet are mutually correspondingly arranged, the housing upper
Provided with insulator chamber, it is provided with the housing and the interconnected inlet channel of the air inlet, the inlet channel includes two
The many cathode bars being parallel to each other, the negative electrode are vertically arranged with the positive plate that block be arranged in parallel vertically, the inlet channel
The upper end of rod is fixed in the insulator chamber, and the inwall of the positive plate and the housing constitutes outlet passageway, the outlet
Passage and the gas outlet are interconnected, and the positive plate includes two pieces of mesh plates arranged in parallel, two pieces of mesh
Space between plate is used to place catalyst.
Preferably, multiple inlet channels being parallel to each other are provided with the housing vertically.
Preferably, crossbeam is provided with the insulator chamber, the crossbeam is provided with mounting hole, and the cathode bar passes through described
Mounting hole is fixed on the crossbeam.
Preferably, the insulator chamber is provided with insulator through walls, and the insulator chamber is run through in the bottom of the insulator through walls
Top and the crossbeam connection.
Preferably, the air inlet be taper air inlet, the gas outlet be taper gas outlet, the taper gas outlet and
One end that the bore of the taper gas outlet is larger is mutually corresponded to.
Preferably, the side of the positive plate is provided with the charging aperture for being used for changing the catalyst.
Preferably, the mesh plate is provided with reinforcement.
Preferably, the housing includes flat board and cuboid framework.
Preferably, neck is provided with the cuboid framework, the positive plate is provided with the card being connected in the neck
Button.
Preferably, the positive plate edge is slidably connected perpendicular to the direction of the positive plate plane and the framework.
Compared with prior art, above-mentioned technical proposal has advantages below：
A kind of plasma body cooperative catalytic treatment VOCs provided by the present invention reactor, including：Housing, the one of housing
Side is provided with air inlet, and the opposite side of housing is provided with gas outlet, and air inlet and gas outlet are mutually correspondingly arranged, and housing upper is provided with exhausted
It is provided with edge seed cell, housing and the interconnected inlet channel of air inlet, inlet channel includes two pieces of sun be arrangeding in parallel vertically
The many cathode bars being parallel to each other are vertically arranged with pole plate, inlet channel, the upper end of cathode bar is fixed in insulator chamber, sun
The inwall of pole plate and housing constitutes outlet passageway, and outlet passageway and gas outlet are interconnected, and positive plate is parallel to each other including two pieces
Space between the mesh plate of setting, two pieces of mesh plates is used to place catalyst.
By the insulator chamber of housing upper, creep age distance can be increased, prevent from drifting along etc. it is filthy adhere in insulator surface,
Form path by insulator both end voltage to be punctured, may further be used to support in addition and fix bus and energized conductor and make band conductance
There are enough distance and insulation between body or between conductor and the earth.It will also be appreciated that can be produced by high-voltage pulse power source
Raw corona discharge, low temperature plasma is produced using the board-like corona discharge of line, because power supply pulsewidth is small, only nanosecond i.e., therefore
Discharge power is relatively low, and the high energy electron and living radical produced due to the effect of catalyst in positive plate, discharge process is with urging
Diffusing scattering can be produced in agent collision process, occurs secondary excitation phenomenon, therefore improve discharge space electronics or activity certainly
By the number and the uniformity of distribution of base.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of technical scheme of the invention or of the prior art
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
A kind of reaction for plasma body cooperative catalytic treatment VOCs that Fig. 1 is provided by a kind of embodiment of the invention
The structural representation of device；
A kind of reaction for plasma body cooperative catalytic treatment VOCs that Fig. 2 is provided by a kind of embodiment of the invention
The internal structure schematic diagram of device；
A kind of reaction for plasma body cooperative catalytic treatment VOCs that Fig. 3 is provided by a kind of embodiment of the invention
The inside top structural representation of device；
A kind of reaction for plasma body cooperative catalytic treatment VOCs that Fig. 4 is provided by a kind of embodiment of the invention
The inside side structure schematic view of device；
A kind of reaction for plasma body cooperative catalytic treatment VOCs that Fig. 5 is provided by a kind of embodiment of the invention
The structural representation of the positive plate of device；
A kind of reaction for plasma body cooperative catalytic treatment VOCs that Fig. 6 is provided by a kind of embodiment of the invention
The positive plate of device is arranged on the structural representation on framework；
A kind of reaction for plasma body cooperative catalytic treatment VOCs that Fig. 7 is provided by a kind of embodiment of the invention
The cathode bar of device is arranged on the structural representation on crossbeam.
Reference is as follows：
1 is housing, and 11 be flat board, and 12 be framework, and 2 be air inlet, and 3 be gas outlet, and 4 be insulator through walls, and 5 be insulator
Room, 51 be crossbeam, and 6 be inlet channel, and 61 be positive plate, and 611 be mesh plate, and 612 be frame, and 613 be charging aperture, and 62 be negative electrode
Rod, 7 be outlet passageway.
Embodiment
Just as described in the background section, current processing VOCs reactor power consumption is higher and removal efficiency is low.
On the basis of the studies above, the embodiments of the invention provide a kind of plasma body cooperative catalytic treatment VOCs's
Reactor, by the insulator chamber of housing upper, can increase creep age distance, prevent from drifting along etc. it is filthy adhere in insulator surface,
Form path by insulator both end voltage to be punctured, may further be used to support in addition and fix bus and energized conductor and make band conductance
There are enough distance and insulation between body or between conductor and the earth.It will also be appreciated that can be produced by high-voltage pulse power source
Raw corona discharge, low temperature plasma is produced using the board-like corona discharge of line, because power supply pulsewidth is small, only nanosecond i.e., therefore
Discharge power is relatively low, and the high energy electron and living radical produced due to the effect of catalyst in positive plate, discharge process is with urging
Diffusing scattering can be produced in agent collision process, occurs secondary excitation phenomenon, therefore improve discharge space electronics or activity certainly
By the number and the uniformity of distribution of base.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in detail.
Detail is elaborated in the following description to fully understand the present invention.But the present invention can with it is a variety of not
It is same as other manner described here to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited by following public embodiment.
It refer to Fig. 1-Fig. 7.
A kind of embodiment of the present invention provides a kind of plasma body cooperative catalytic treatment VOCs reactor, bag
Include：Housing 1, the side of housing 1 is provided with air inlet 2, and the opposite side of housing 1 is provided with gas outlet 3, and air inlet 2 and gas outlet 3 are mutual
It is correspondingly arranged, the top of housing 1, which is provided with insulator chamber 5, housing 1, to be provided with and the interconnected inlet channel 6 of air inlet 2, air inlet
Passage 6 includes being vertically arranged with many cathode bars being parallel to each other in two pieces of positive plates 61 be arrangeding in parallel vertically, inlet channel 6
62, the upper end of cathode bar 62 is fixed in insulator chamber 5, and the inwall of positive plate 61 and housing 1 constitutes outlet passageway 7, and outlet leads to
Road 7 and gas outlet 3 are interconnected, and positive plate 61 includes two pieces of mesh plates 611 arranged in parallel, two pieces of mesh plates 611 it
Between space be used for place catalyst.
During the reactor provided using the present embodiment, waste gas enters in inlet channel 6 from air inlet 2, in inlet channel 6
Generation plasma oxidation reacts, and occurs catalytic oxidation, generation carbon dioxide and water with the catalyst in positive plate 61, then
Pipe is crossed positive plate 61 by gas, is discharged by outlet passageway 7 from gas outlet 3.Wherein waste gas is by low temperature plasma and catalysis
The dual coupling of agent, its efficiency of dust collection is acted on higher than simple photocatalysis or low temperature plasma, and non-secondary pollution thing
Produce.
Wherein, by the insulator chamber 5 on the top of housing 1, creep age distance can be increased, prevent from drifting along etc. filthy in insulation sublist
Face is adhered to, and forms path and is punctured by insulator both end voltage, may further be used to support in addition and fixed bus and energized conductor and makes
There are enough distance and insulation between energized conductor or between conductor and the earth.It will also be appreciated that high-voltage pulse electric can be passed through
Source produces corona discharge, and low temperature plasma is produced using the board-like corona discharge of line, because power supply pulsewidth is small, only nanosecond
I.e., therefore discharge power is relatively low, due to the effect of catalyst in positive plate 61, high energy electron that discharge process is produced and activity from
Diffusing scattering can be produced in base and catalyst collision process, occurs secondary excitation phenomenon, therefore improve discharge space electronics
Or the number of living radical and the uniformity of distribution.
Further, multiple inlet channels 6 being parallel to each other are provided with housing 1 vertically.Eight can be for example set in housing 1
Block positive plate 61, constitutes four inlet channels 6 and five outlet passageways 7, goes out wherein being one between adjacent inlet channel 6
Gas passage 7, the outlet passageway 7 between inlet channel 6 and housing 1 on the outside of composition.Mesh plate 611 can by a diameter of 1mm 316L
Stainless steel wire braiding is formed, and mesh plate 611 is fixed on frame 612, and the area of positive plate 61 is 1000mm*700mm, mesh plate
611 area is 960mm*660mm, and mesh can be the square hole that the length of side is 2.5mm.
It should be noted that the specific size on setting several inlet channels 6 and positive plate 61 and mesh plate 611,
It can be set as the case may be, the present embodiment is not limited this.
Further, crossbeam 51 is provided with insulator chamber 5, crossbeam 51 is provided with mounting hole, and cathode bar 62 passes through mounting hole
It is fixed on crossbeam 51.By mounting hole, the spacing between neighbouring cathode rod 62 is conveniently adjusted.Wherein can be in each inlet channel
12 a diameter of 10mm of spaced set cathode bar 62 in 6, number and its diameter on setting cathode bar 62, tool
Body is depended on the circumstances, and the present embodiment is not limited this.
Further, insulator chamber 5 is provided with insulator 4 through walls, and the bottom of insulator 4 through walls is through the upper of insulator chamber 5
Portion and crossbeam 51 are connected.
In addition, air inlet 2 is taper air inlet 2, gas outlet 3 is taper gas outlet 3, taper gas outlet 3 and taper outlet
One end that the bore of mouth 3 is larger is mutually corresponded to.
Further, the side of positive plate 61 is provided with the charging aperture 613 for more catalyst changeout.
Further, mesh plate 611 is provided with reinforcement.Therefore the intensity of mesh plate 611 can be improved, and then improves sun
The intensity of pole plate 61.
Wherein, housing 1 includes flat board 11 and cuboid framework 12.Cuboid framework 12 can be made up of 8# channel-section steels, flat board 11
It can be made up, can be strengthened outside this shell body 1 by angle bar, to improve its intensity of the 316L stainless-steel sheets after 4mm.
It should be noted that material and its size on housing 1, specifically depend on the circumstances, the present embodiment pair
This is not limited.
Further, neck is provided with cuboid framework 12, positive plate 61 is provided with the buckle being connected in neck.
Further, positive plate 61 is slidably connected along the direction perpendicular to the plane of positive plate 61 and framework 12.Pass through cunning
Dynamic positive plate 61 can adjust the spacing of adjacent anode plate 61.
It should also be noted that, herein, term " comprising ", "comprising" or its any other variant are intended to non-
It is exclusive to include, so that process, method, article or equipment including a series of key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including
Also there is other identical element in process, method, article or the equipment of the key element.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of plasma body cooperative catalytic treatment VOCs reactor, it is characterised in that including：Housing, the one of the housing
Side is provided with air inlet, and the opposite side of the housing is provided with gas outlet, and the air inlet and the gas outlet are mutually correspondingly arranged, institute
Housing upper is stated provided with insulator chamber, the housing is interior to be provided with and the interconnected inlet channel of the air inlet, the air inlet
Passage includes being vertically arranged with many negative electrodes being parallel to each other in two pieces of positive plates be arrangeding in parallel vertically, the inlet channel
Rod, the upper end of the cathode bar is fixed in the insulator chamber, and the inwall of the positive plate and the housing constitutes outlet and led to
Road, the outlet passageway and the gas outlet are interconnected, and the positive plate includes two pieces of mesh plates arranged in parallel, two
Space between mesh plate described in block is used to place catalyst.
2. plasma body cooperative catalytic treatment VOCs according to claim 1 reactor, it is characterised in that the housing
Multiple inlet channels being parallel to each other inside are provided with vertically.
3. plasma body cooperative catalytic treatment VOCs according to claim 2 reactor, it is characterised in that the insulation
Crossbeam is provided with seed cell, the crossbeam is provided with mounting hole, and the cathode bar is fixed on the crossbeam by the mounting hole.
4. plasma body cooperative catalytic treatment VOCs according to claim 3 reactor, it is characterised in that the insulation
Seed cell is provided with insulator through walls, and the bottom of the insulator through walls is through the top of the insulator chamber and crossbeam connection.
5. the reactor of the plasma body cooperative catalytic treatment VOCs according to any one of Claims 1-4, its feature exists
In the air inlet is taper air inlet, and the gas outlet is taper gas outlet, the taper gas outlet and the taper outlet
One end that the bore of mouth is larger is mutually corresponded to.
6. plasma body cooperative catalytic treatment VOCs according to claim 5 reactor, it is characterised in that the anode
The side of plate is provided with the charging aperture for being used for changing the catalyst.
7. plasma body cooperative catalytic treatment VOCs according to claim 6 reactor, it is characterised in that the mesh
Plate is provided with reinforcement.
8. plasma body cooperative catalytic treatment VOCs according to claim 7 reactor, it is characterised in that the housing
Including flat board and cuboid framework.
9. plasma body cooperative catalytic treatment VOCs according to claim 8 reactor, it is characterised in that described rectangular
Neck is provided with body framework, the positive plate is provided with the buckle being connected in the neck.
10. plasma body cooperative catalytic treatment VOCs according to claim 9 reactor, it is characterised in that the sun
Pole plate edge is slidably connected perpendicular to the direction of the positive plate plane and the framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493428.8A CN107088362A (en) | 2017-06-22 | 2017-06-22 | A kind of plasma body cooperative catalytic treatment VOCs reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493428.8A CN107088362A (en) | 2017-06-22 | 2017-06-22 | A kind of plasma body cooperative catalytic treatment VOCs reactor |
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| Publication Number | Publication Date |
|---|---|
| CN107088362A true CN107088362A (en) | 2017-08-25 |
Family
ID=59641180
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710493428.8A Pending CN107088362A (en) | 2017-06-22 | 2017-06-22 | A kind of plasma body cooperative catalytic treatment VOCs reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376606A (en) * | 2017-09-04 | 2017-11-24 | 杭州天明环保工程有限公司 | A kind of flue gas plasma reactor and filtrating equipment of flue gas |
| CN108404657A (en) * | 2018-05-11 | 2018-08-17 | 章旭明 | A kind of electric discharge basic unit, catalytic converter and waste gas cleaning system |
| CN111760450A (en) * | 2020-06-12 | 2020-10-13 | 崇左南方水泥有限公司 | Line plate type dielectric barrier discharge cooperative catalysis denitration device |
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| CN108404657A (en) * | 2018-05-11 | 2018-08-17 | 章旭明 | A kind of electric discharge basic unit, catalytic converter and waste gas cleaning system |
| CN111760450A (en) * | 2020-06-12 | 2020-10-13 | 崇左南方水泥有限公司 | Line plate type dielectric barrier discharge cooperative catalysis denitration device |
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