CN205672749U - A kind of low energy consumption low temperature plasma gas reaction unit - Google Patents
A kind of low energy consumption low temperature plasma gas reaction unit Download PDFInfo
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- CN205672749U CN205672749U CN201620564123.2U CN201620564123U CN205672749U CN 205672749 U CN205672749 U CN 205672749U CN 201620564123 U CN201620564123 U CN 201620564123U CN 205672749 U CN205672749 U CN 205672749U
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Abstract
The utility model discloses a kind of low energy consumption low temperature plasma gas reaction unit, including electrode bar, electrode sleeve, battery lead plate, solid dielectric insulation, reactor case and driving power supply.Wherein, electrode bar, electrode sleeve, reactor case and solid dielectric insulation sleeve use coaxially arranged mode;Battery lead plate and solid dielectric insulation use stacking interval arrangement.Gap is there is between solid dielectric insulation and electrode bar, electrode sleeve, battery lead plate.Power supply is driven to be connected with electrode bar, electrode sleeve, battery lead plate.This utility model, by regulating the gap between adjacent two sparking electrodes, changes the cross-sectional flow area size of process gases, the ratio of process gases at regulation at DBD.This utility model, in addition to can work independently, also can be organized layout more and work simultaneously.Increase the ring set quantity of annular electrode container in reactor, increase the layout quantity of annular electrode sleeve, increase the layout quantity of template electrode, can the ability of the flow of process gases at enhancing reactor.
Description
Technical field
This utility model relates to a kind of reaction unit processing portion gas under plasma ambient in proportion, is mainly suitable for
Relate in field of Environment Protection at the low energy consumption plasma of the industrial waste gases such as the energy, chemical industry, automobile, biology, material, metallurgy, environment
Reason.
Background technology
Plasma technique is one of forward position of research in new high-tech, and plasma technique has been widely used in chemistry conjunction
The fields such as one-tenth, environmental science, material science, Surface Science, biology and life sciences.The grade being applied on environment protection chemical chemical industry from
Daughter is the electronics containing various excited state, atom, free radical and the ionized gas of ion isoreactivity group.This low temperature etc.
Gas ions is used for degradation of contaminant, and what it utilized is the pollutant in these high energy electrons, free radical isoreactivity particle and waste gas
Effect, makes contaminant molecule decompose within the extremely short time, and follow-up various reactions occurs, to reach degradation of contaminant
Purpose.
The method being used for producing low temperature plasma under typical normal temperature and pressure conditions mainly has corona discharge (corona
Discharge), glow discharge (glow discharge) and dielectric barrier discharge (Dielectric Barrier
Discharge, DBD) etc..
Glow discharge is by being filled with low-pressure gas in the glass tubing placing plate electrode, and applies higher at two interpolars
Voltage obtains, and its power density is moderate and discharges uniformly, can be used to produce the nonequilibrium state with higher electron energy
Low temperature plasma.Glow discharge is highly suitable to be applied for the field such as material surface modifying and thin film deposition, but it produces and needs
Expensive vacuum equipment, can not run continuously when application, need to use the mode of batch processing, therefore be difficult to meet large-scale industry
The requirement of application.
Corona discharge is typically obtained by asymmetry electrode, can produce stable nonequilibrium state low temperature plasma.
At present, the electric discharge of this form has been widely used in industrial pollution improvement.But corona usually occurs in severe non-uniform electric field
Stroke field intensity area territory the little ranged space in, be unsuitable for industrial extensive process.And this electric discharge is more weak, produce plasma
The efficiency of body and active particle is the lowest, greatly limit its application prospect.
The mechanism of dielectric barrier discharge (DBD) and process are to electrode applying certain frequency and the alternating current of voltage, and
Discharging gap inserts block media, and when reaching the disruptive field intensity of gas, work gas knows from experience electric discharge.By the electric current of discharging gap
Being made up of the nanosecond fast pulse current filament being called micro discharge in a large number, these micro discharges are the most irregularly
It is distributed in whole discharge space, mean electron energy higher (1 10eV) in micro discharge, and ion energy is the highest, the most non-flat
The low temperature plasma of weighing apparatus state.Medium can cover and can also be suspended in discharge space on electrode.It runs air pressure range
Wider, it is possible under room temperature and atmospheric pressure, to produce large area, the low temperature nonequilibrium plasma of high-energy-density, and it produces
Raw without vacuum equipment.Under such plasma atmosphere, then with addition of some other process conditions, as selected suitably work
Gas, air pressure and electric parameter etc., i.e. can reach the work purpose that chemosynthesis, decomposition etc. are different.Reactor discharge power
Size, for duty, operational effect important.Dielectric barrier discharge is to be more suitable for large-scale continuous industry
A kind of gas discharge form of application, is widely used in many production and research field.
Utilize the pollutant such as the lower-temperature plasma industrial waste gas treatment that gas discharge produces, have handling process easy,
Purification efficiency is high, non-secondary pollution and can simultaneously process the advantages such as microgranule, but utilizes low-temperature plasma to process big flow work
Energy consumption is there is high during industry waste gas, the problem that reactor volume is big, thus constrain its industrial applications.
At plasma reactor, process gases is all using all gas flow as processing object at present, when processing gas flow
Time bigger, being limited by sparking electrode gap and gas flow rate, the actual internal area of reaction unit is relatively large, causes reaction dress
Discharge voltage, the discharge power put cannot reduce, and consume substantial amounts of energy during gas plasma, simultaneously because discharge power
Greatly, during subsequent reactions, often lead to the generation of more upper state gas side reactions, the intended reaction effect of impact.
Utility model content
This utility model is based on above technical problem, it is provided that one can process part in proportion at inside reactor
The dielectric barrier discharge plasma reaction device of gas, and plasma upper state gas and the untreated lower state after processing
Gas mixes, and utilizes the upper state active particle and the molecular collision in untreated gas being had in plasma gas, reaches
Processing the effect of all gas, thus reduce DBD discharge power, reduction processes waste gas cost so that the big flow of plasma treatment
Industrial waste gas can be pratical and feasible.
The technical solution adopted in the utility model is as follows:
A kind of low energy consumption low temperature plasma gas reaction unit, including a reactor case, at described reactor cover
From inner ring to outer ring, at least one electrode group and reactor case it is set with successively in shell;The electrode group being positioned at innermost circle includes electricity
Extremely rod, electrode sleeve and the solid dielectric insulation between electrode bar and electrode sleeve, remaining electrode group includes two sets
The electrode sleeve of dress and solid dielectric insulation between two electrode sleeves, described electrode bar, electrode sleeve all with drive
Galvanic electricity source is connected, and is formed respectively for pending gas between described reactor case and electrode sleeve, electrode sleeve and electrode bar
The gap that body enters, and between the bottom of electrode bar and reactor case, form reactor mixing section;Described pending gas
Body enters in reactor along the axis direction of electrode bar, is split into multichannel in proportion, is partly into electrode group self and is formed
Gap in, this gap is this reactor region of discharge;Remainder enters adjacent electrode group and electrode group and reactor cover
In the gap that hull shape becomes, this gap is untreated gas region;Gas after Bei Chuli at reactor mixing section with untreated
Gas mixes.
By the distance between distance, electrode sleeve and the reactor case between regulation electrode group, change and regulate the flow of vital energy at DBD
The cross-sectional flow area size of body, the ratio of process gases at regulation.
By regulating in each electrode group the vertical dimension between electrode bar and electrode sleeve, electrode sleeve and electrode sleeve,
Change DBD breakdown voltage, and regulate discharge power.
A kind of low energy consumption low temperature plasma gas reaction unit, including a reactor case, at described reactor cover
Being provided with multiple electrode group in shell, often group electrode group includes an electrode bar and the electrode sleeve of the outer ring being sleeved on outside electrode bar,
It is provided with solid dielectric insulation in the gap that described electrode bar and electrode sleeve are formed;All of electrode bar, electrode sleeve
All it is connected with driving power supply;Formed respectively for treating between described reactor case and electrode sleeve, electrode sleeve and electrode bar
The gap that place's process gases enters, and between the bottom of electrode bar and reactor case, form reactor mixing section;Described treats
Place's process gases enters along reactor along the axis direction of electrode bar, is split into multichannel in proportion, be partly into electrode bar with
The gap of electrode sleeve, this gap is this reactor region of discharge;Remainder enters adjacent electrode group and electrode group with anti-
In answering the gap that device case is formed, this gap is untreated gas region;Gas after Bei Chuli reactor mixing section with not
The gas mixing processed.
When described reactor case is cylindric, described multiple multi-group electrode groups are arranged in a circle.
When described reactor case is rectangular-shaped structure, it is provided with in described rectangular reactor case and multiple anyhow arranges
The electrode group of row.
Further, by adjusting number and the arrangement mode of electrode group, the flow of process gases at regulation reaction unit
Ability.
A kind of low energy consumption low temperature plasma gas reaction unit, including a reactor case, at described reactor cover
At least provided with two battery lead plates be arrangeding in parallel in shell, it is provided with board-like dielectric between two adjacent battery lead plates and constitutes electricity
Pole group, each battery lead plate is all connected with driving power supply, at the outer sheath of outermost battery lead plate equipped with reactor case;Described
The gap entered for pending gas is formed respectively between reactor case and battery lead plate, two battery lead plates, and at battery lead plate
Reactor mixing section is formed between bottom and reactor case;Described pending gas enters anti-along the axis direction of battery lead plate
Answering in device, split into multichannel in proportion, be partly in the gap that electrode group self is formed, this gap is that this reactor is put
Electricity region;Remainder enters in the gap of adjacent electrode group and electrode group and the formation of reactor case, and this gap is not for locate
Process gases region;Gas after Bei Chuli mixes with untreated gas at reactor mixing section.
Further, by regulation adjacent electrode group between gap, electrode group and reactor case between distance with
And the quantity of electrode group, change the cross-sectional flow area size of process gases, the ratio of process gases at regulation at DBD.
Further, by regulating the vertical dimension of battery lead plate in each electrode group, change DBD breakdown voltage, and regulate
Discharge power.
A kind of part (2%~50%) plasma treatment gas and remaining untreated gas in this utility model (50%~
98%) mixing
After react, energy consumption is low, side reaction is few, process gas ratio controlled, it is adaptable to process big flow Industry Waste
The technical scheme of gas.
This utility model reactor unit structure use many groups of vertical gas inflow direction layouts, by change electrode bar,
Sparking electrode sleeve, the axial length L of battery lead plate, can regulate plasma reactor DBD region of discharge volume, regulates Industry Waste
The gas holdup time in plasma reactor, the response strength of regulation gas treatment, be conducive to improving reactor to Industry Waste
The purification efficiency of gas, the enhancing reactor adaptability to gas flow Yu flow velocity.
Compared with prior art, the beneficial effects of the utility model are:
(1) DBD discharge power and breakdown voltage can be reduced, process waste gas cost can be saved.This utility model reactor
The actual internal area of middle gaseous plasma is only the region in each electrode group folded by two electrodes, between electrode group and
Between outer electrode and reactor case, the gas of circulation does not carry out plasma treatment, such that it is able to achievement unit divisional processing reacting gas
Process.After plasma upper state gas after process flows out conversion zone (L), at mixing section (a) and untreated lower state gas
Body mixes, and utilizes the upper state active particle and the molecular collision in untreated gas being had in plasma gas, it is achieved complete
The treatment effect of portion's gas.Owing to decreasing the gas flow that DBD processes so that discharge power reduces, constant at gas flow rate
In the case of so that adjacent two interelectrode discharging gaps can reduce, thus reduces breakdown voltage.
(2) can the ratio of process gases at regulation in proportion, control side reaction and occur.In this utility model reaction unit
Effective actual internal area that gas plasma processes is the region in each electrode group folded by two electrodes.By regulation cartridge type electricity
The radius R or plate type electrode gap H of pole sleeve, thus it is possible to vary the sectional area folded by adjacent two electrodes, thus process gases at change
Ratio.A lot of side reactions in plasma reaction produce, at minimizing owing to upper state active particle interacts
The ratio of process gases, and upper state gas is mixed with lower state gas, can be substantially reduced between upper state active particle and send out
The probability of raw side reaction.
(3) big flow gas can be processed.This utility model structure of reactor unit can be in the way of using many rearrangements
Change gas through-flow sectional area size.Gas through-flow cross section can be increased in the case of not increasing driving power work breakdown voltage
Long-pending, therefore, this utility model can obtain bigger region of discharge, can improve plasma reactor and process industrial waste gas pollution
The flow of thing, it is adaptable to the plasma reaction under big flow gas operating mode.
(4) in this utility model, solid dielectric insulation uses tubular structure (such as quartz ampoule, earthenware) or plank frame
(such as quartz plate, pottery tube sheet), the block media of this structure, there is manufacturing processing technic simplicity, low cost, intensity of a relatively high
Advantage, and can by increase medium tube axially and radially size obtain bigger DBD volume.
(5) this utility model discharge process is easily controllable.From microcosmic, DBD region is by many electric discharge filament groups
Become, but it can be by easily controllable parameters of macroscopic view such as change air pressure, discharge voltage, electrode shape, temperature, discharge frequencies
Adjusted, it is allowed to as Engineering Service.
(6) utility model works good stability, structure of reactor is simple, low cost, and owing to only processing part gas
Body, so can reduce the flow resistance of gas when processing big flow industrial waste gas.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is cartridge reactor cellular construction figure of the present utility model.
Fig. 2 is plate-type reactor cellular construction figure of the present utility model.
Fig. 3 is the multi-ringed layout drawing of cartridge reactor cellular construction of the present utility model.
Fig. 4 is cartridge reactor cellular construction ring quasi array layout drawing of the present utility model.
Fig. 5 is cartridge reactor cellular construction N limit of the present utility model shape (such as N=4) matrix arrangements figure.
Fig. 6 is plate-type reactor cellular construction N limit of the present utility model shape (such as N=4) matrix arrangements figure.
1. electrode bar in figure;2. solid dielectric insulation;3. reactor case;4. wire;5. drive power supply;The most pending gas
Body, 7 electrode sleeves, 8 battery lead plates, 9 board-like dielectrics, a mixing section, L conversion zone.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail:
As it is shown in figure 1, a kind of low energy consumption low temperature plasma gas reaction unit, it is sleeved on successively including from inner ring to outer ring
Electrode bar 1, electrode sleeve 7 and reactor case 3 together, is enclosed with solid dielectric insulation in the outer ring of described electrode bar 1
2, electrode bar 1, electrode sleeve 7 and solid dielectric insulation 2 form an electrode group;And electrode bar 1, electrode sleeve 7 are by wire 4
It is connected with driving power supply 5, described reactor case 3 and electrode sleeve 7, between electrode sleeve 7 and electrode bar, forms confession respectively
The gap that pending gas enters, for the conversion zone L of this reaction unit, and between the bottom of electrode bar and reactor case
Form reactor mixing section a;Described pending gas 6 enters in reactor, through electrode sleeve along the axis direction of electrode bar
Stopping, being split into two-way in proportion, a road enters the gap of electrode bar 1 and electrode sleeve 7, and this gap is the electric discharge of this reactor
Region;Another road enters the gap of electrode sleeve 7 and reactor case 3, and this gap is untreated gas region;After Bei Chuli
Gas mixes with untreated gas at reactor mixing section.
As in figure 2 it is shown, described low energy consumption low temperature plasma gas reaction unit, including two battery lead plates be arrangeding in parallel
8, it is provided with the board-like dielectric 9 being fitted in one of them battery lead plate 8 side, two battery lead plates 8 and plate between two battery lead plates
Formula dielectric 9 defines an electrode group;Each battery lead plate is all connected, at the outer sheath of two battery lead plates 8 with driving power supply 5
Equipped with reactor case 3;Formed respectively for pending gas 6 between described reactor case and battery lead plate, two battery lead plates 8
The gap entered, and between the bottom of battery lead plate and reactor case, form reactor mixing section a;Described pending gas
Axis direction along battery lead plate enters in reactor, stops through battery lead plate, is split into two-way in proportion, and a road enters two electricity
The gap of pole plate 8, this gap is this reactor region of discharge;Another road enters the gap of battery lead plate 8 and reactor case 3, this
Gap is untreated gas region;Gas after Bei Chuli mixes with untreated gas at reactor mixing section.
As it is shown on figure 3, described low energy consumption low temperature plasma gas reaction unit, including the electrode bar 1 being set in together
And multiple electrode sleeve 7, be positioned at the electrode group of innermost circle include electrode bar, electrode sleeve and be positioned at electrode bar and electrode sleeve it
Between be provided with solid dielectric insulation, remaining electrode group includes two electrode sleeves being set with and between two electrode sleeves
Solid dielectric insulation.And each electrode group is all connected with driving power supply 5, outside outermost electrode sleeve 7, it is set with reactor
Case 3;Between described reactor case 3 with outermost layer electrode sleeve 7, adjacent two electrode groups and same electrode group
Two electrodes between form the gap entered for pending gas respectively, and the bottom of electrode bar 1 and reactor case 3 it
Between formed reactor mixing section;Described pending gas enters in reactor, through electrode sleeve along the axis direction of electrode bar 1
7 stop, are split into multichannel in proportion, are partly into the gap between two electrodes in each electrode group, and this gap is for being somebody's turn to do
Reactor region of discharge;Remainder enters between electrode group and the gap of outermost layer electrode sleeve and reactor case, this
Gap is untreated gas region;Gas after Bei Chuli mixes with untreated gas at reactor mixing section.
As shown in Figure 4, described low energy consumption low temperature plasma gas reaction unit, including a columned reactor cover
Shell, is provided with a circle electrode bar in reactor case, is enclosed with solid dielectric insulation in the outer ring of each electrode bar, at solid
The outer ring sleeve of dielectric is equipped with electrode sleeve, and all of electrode bar, electrode sleeve are all connected with driving power supply;Described reaction
The gap entered for pending gas is formed respectively between device case and electrode sleeve, electrode sleeve and electrode bar, and at electrode
Reactor mixing section is formed between bottom and the reactor case of rod;Described pending gas enters along the axis direction of electrode bar
Entering in reactor, stop through electrode sleeve, being waited flow shunt is two-way, and a road enters the gap of electrode bar and electrode sleeve,
This gap is this reactor region of discharge;Another road enters the gap between electrode sleeve and reactor case and electrode group,
This gap is untreated gas region;Gas after Bei Chuli mixes with untreated gas at reactor mixing section.
As it is shown in figure 5, described low energy consumption low temperature plasma gas reaction unit, including a rectangular-shaped reactor cover
Shell, is provided with multiple vertically and horizontally arranged electrode bar in described reactor case, is enclosed with solid in the outer ring of each electrode bar
Body dielectric, at the outer ring sleeve of solid dielectric insulation equipped with electrode sleeve, all of electrode bar, electrode sleeve all with drive electricity
Source is connected;Formed respectively to enter for pending gas between described reactor case and electrode sleeve, electrode sleeve and electrode bar
The gap entered, and between the bottom of electrode bar and reactor case, form reactor mixing section a;Described pending gas edge
The axis direction of electrode bar enters in reactor, stops through electrode sleeve, is split into multichannel in proportion, be partly into electrode
Rod and the gap of electrode sleeve, this gap is this reactor region of discharge;Remainder enters electrode sleeve and reactor case
And the gap between electrode group, this gap is untreated gas region;Gas after Bei Chuli reactor mixing section with not
The gas mixing processed.
As shown in Figure 6, described low energy consumption low temperature plasma gas reaction unit, including multiple battery lead plates be arrangeding in parallel
8, it is provided with between two adjacent battery lead plates 8 and is fitted in the board-like dielectric 9 of one of them battery lead plate side and constitutes electrode
Group, each battery lead plate is all connected with driving power supply, at the outer sheath of outermost layer battery lead plate 8 equipped with reactor case;Described is anti-
Answer and between device case and battery lead plate, two battery lead plates 8, form the gap entered for pending gas respectively, and at the end of battery lead plate
Reactor mixing section is formed between portion and reactor case;Described pending gas 6 enters anti-along the axis direction of battery lead plate
Answer in device, stop through battery lead plate, split into multichannel in proportion, be partly into the gap that electrode group itself is formed, this gap
For this reactor region of discharge;Another part enters battery lead plate and the gap between reactor case, and electrode group, this gap
For untreated gas region;Gas after Bei Chuli mixes with untreated gas at reactor mixing section.
Device described in utilization processes portion gas at inside reactor, the upper state that then will produce after plasma treatment
Gas mixes with untreated lower state gas.In mixed process, utilize the upper state having in the gas after plasma treatment
Particle and the collision of the molecule in untreated gas, reach to process the effect of all gas, owing to decreasing DBD discharge process
Gas flow, such that it is able to reduce DBD discharge power, reduces the purpose of plasma treatment gas cost.
This utility model reaction unit passes through power drives, stops through solid dielectric insulation, can be at electrode bar, electrode sleeve
Stable DBD region is produced between cylinder, battery lead plate.It is phase by the gas of plasma treatment actual circulation region in the reactor
Region between adjacent two electrode bars (cylinder, plate).
This utility model solid dielectric insulation uses tubular structure (such as quartz ampoule, earthenware) or plank frame (such as quartz
Plate, ceramic wafer), the block media of this structure, there is the advantage that manufacturing processing technic simplicity, low cost, intensity are of a relatively high, and
And DBD volume can be regulated by changing medium axial length, regulate DBD intensity by changing dielectric thickness.
This utility model can reduce DBD discharge power and discharge voltage, it is possible to decrease processes waste gas cost;Can be in proportion
Place's process gases;DBD region cross-sectional flow area and the total actual internal area of gas can be regulated respectively;Can be applicable to process big flow
Gas;Structure of reactor unit can work independently and also can organize layout work more.
By the gap between regulation electrode bar 1 and electrode sleeve 7, can control to locate the ratio of process gases, and control
DBD discharge power and breakdown voltage.
Use plate type electrode 8 and board-like dielectric 9.DBD conversion zone is the gap between two battery lead plates.By regulation
Distance between two battery lead plates can control to process gas ratio, and controls DBD discharge power and breakdown voltage.
In figure 3, multiple electrode sleeve is circular layout, and electrode sleeve is coaxial with the electrode bar at center, adjacent two electrodes
Gap between sleeve is DBD region.By regulating the radius R of adjacent two electrode sleeves, can control to locate the ratio of process gases,
And control DBD discharge power and breakdown voltage.
In the diagram, multiple cartridge reactor cellular construction ring quasi arrays are arranged;In Figure 5, multiple cartridge reactor unit
The multiple rows of matrix arrangements of structure;In figure 6, multiple multiple rows of matrix arrangements of plate-type reactor cellular construction.By adjacent two of regulation
Gap between electrode and the reactor unit quantity of matrix arrangements, can control to locate the ratio of process gases, and control DBD and put
Electrical power and breakdown voltage.
This utility model can proportionally regulate the actual internal area of low-temperature plasma processing unit in reaction unit, enters
And adjust the ratio of plasma treatment gas, so that the process big flow Industry Waste that non-thermal plasma trap can be more economical
Gas.
This utility model can utilize reaction member to process portion gas (2%~50%), reduces DBD discharge power, solves
Prior art of having determined processes big flow industrial waste gas energy consumption too high, the problem that cost is excessive.
This utility model is to utilize reaction unit plasma treatment portion gas (such as 2%~50%), and will process after
Plasma upper state gas mixes with untreated lower state gas, utilizes the upper state activity grain being had in plasma gas
Son and the molecular collision in untreated gas, it is achieved the treatment effect of all gas.Solve plasma treatment in prior art
The problem that all gas causes more upper state gas generation side reaction.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model
Within enclosing.
Claims (10)
1. a low energy consumption low temperature plasma gas reaction unit, it is characterised in that: include a reactor case, described
From inner ring to outer ring, at least one electrode group and reactor case it is set with successively in reactor case;It is positioned at the electrode of innermost circle
Group includes electrode bar, electrode sleeve and the solid dielectric insulation between electrode bar and electrode sleeve, remaining electrode group bag
Include electrode sleeves and the solid dielectric insulation between two electrode sleeves of two suits, described electrode bar, electrode sleeve
Cylinder is all connected with driving power supply, forms confession respectively between described reactor case and electrode sleeve, electrode sleeve and electrode bar
The gap that pending gas enters, and between the bottom of electrode bar and reactor case, form reactor mixing section;Described
Pending gas enters in reactor along the axis direction of electrode bar, is split into multichannel in proportion, is partly into electrode group
In the gap that self is formed, this gap is this reactor region of discharge;Remainder enter adjacent electrode group and electrode group with
In the gap that reactor case is formed, this gap is untreated gas region;Gas after Bei Chuli reactor mixing section with
Untreated gas mixes.
2. low energy consumption low temperature plasma gas reaction unit as claimed in claim 1, it is characterised in that by regulation electrode group
Between distance, electrode sleeve and reactor case between distance, change DBD place process gases cross-sectional flow area size, tune
The ratio of process gases at joint.
3. the low energy consumption low temperature plasma gas reaction unit as described in claim 1 is arbitrary, it is characterised in that: every by regulation
Vertical dimension between electrode bar and electrode sleeve, electrode sleeve and electrode sleeve in individual electrode group, changes DBD breakdown voltage, and
Regulation discharge power.
4. a low energy consumption low temperature plasma gas reaction unit, it is characterised in that: include a reactor case, described
Being provided with multiple electrode group in reactor case, often group electrode group includes an electrode bar and the electricity of the outer ring being sleeved on outside electrode bar
Pole sleeve, is provided with solid dielectric insulation in the gap that described electrode bar and electrode sleeve are formed;All of electrode bar, electricity
Pole sleeve is all connected with driving power supply;Difference shape between described reactor case and electrode sleeve, electrode sleeve and electrode bar
Become the gap entered for pending gas, and between the bottom of electrode bar and reactor case, form reactor mixing section;Institute
The pending gas stated enters in reactor along the axis direction of electrode bar, is split into multichannel in proportion, is partly into electricity
Extremely rod and the gap of electrode sleeve, this gap is this reactor voltolising region;Remainder enter adjacent electrode group and
In the gap that electrode group and reactor case are formed, this gap is untreated gas region;Gas after Bei Chuli is at reactor
Mixing section mixes with untreated gas.
5. low energy consumption low temperature plasma gas reaction unit as claimed in claim 4, it is characterised in that: described reactor cover
When shell is cylindric, described multiple multi-group electrode groups are arranged in a circle.
6. low energy consumption low temperature plasma gas reaction unit as claimed in claim 4, it is characterised in that: described reactor cover
When shell is rectangular-shaped structure, in described rectangular reactor case, it is provided with multiple vertically and horizontally arranged electrode group.
7. the low energy consumption low temperature plasma gas reaction unit as described in claim 5 or 6, it is characterised in that: by adjusting electricity
The number of pole group and arrangement mode, the ability of the flow of process gases at regulation reaction unit.
8. a low energy consumption low temperature plasma gas reaction unit, it is characterised in that: include a reactor case, described
At least provided with two battery lead plates be arrangeding in parallel in reactor case, between two adjacent battery lead plates, it is provided with board-like dielectric
And constituting electrode group, each battery lead plate is all connected with driving power supply, at the outer sheath of outermost battery lead plate equipped with reactor cover
Shell;The gap that between described reactor case and battery lead plate, two battery lead plates, formation enters for pending gas respectively, and
Reactor mixing section is formed between bottom and the reactor case of battery lead plate;Described pending gas is along the axis side of battery lead plate
To entering in reactor, being split into multichannel in proportion, be partly in the gap that electrode group self is formed, this gap is for being somebody's turn to do
Reactor region of discharge;Remainder enters in the gap of adjacent electrode group and electrode group and the formation of reactor case, around here
Gap is untreated gas region;Gas after Bei Chuli mixes with untreated gas at reactor mixing section.
9. low energy consumption low temperature plasma gas reaction unit as claimed in claim 8, it is characterised in that by regulating adjacent electricity
The distance between gap, electrode group and reactor case between the group of pole and the quantity of electrode group, change process gases at DBD
Cross-sectional flow area size, the ratio of process gases at regulation.
10. low energy consumption low temperature plasma gas reaction unit as claimed in claim 8, it is characterised in that each by regulation
The vertical dimension of battery lead plate in electrode group, changes DBD breakdown voltage, and regulates discharge power.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106973482A (en) * | 2017-05-17 | 2017-07-21 | 北京交通大学 | A kind of petal type glow discharge jet plasma generating structure |
CN110402006A (en) * | 2019-07-29 | 2019-11-01 | 青岛双星环保设备有限公司 | Telescopic plasma discharge exhaust-gas treatment core apparatus |
CN111405741A (en) * | 2020-04-26 | 2020-07-10 | 武汉理工大学 | Low-temperature plasma generating device |
-
2016
- 2016-06-13 CN CN201620564123.2U patent/CN205672749U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106973482A (en) * | 2017-05-17 | 2017-07-21 | 北京交通大学 | A kind of petal type glow discharge jet plasma generating structure |
CN106973482B (en) * | 2017-05-17 | 2019-01-04 | 北京交通大学 | A kind of petal type glow discharge jet plasma generation structure |
CN110402006A (en) * | 2019-07-29 | 2019-11-01 | 青岛双星环保设备有限公司 | Telescopic plasma discharge exhaust-gas treatment core apparatus |
CN111405741A (en) * | 2020-04-26 | 2020-07-10 | 武汉理工大学 | Low-temperature plasma generating device |
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