CN207085649U - Module occurs for a kind of cold plasma - Google Patents
Module occurs for a kind of cold plasma Download PDFInfo
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- CN207085649U CN207085649U CN201720758977.9U CN201720758977U CN207085649U CN 207085649 U CN207085649 U CN 207085649U CN 201720758977 U CN201720758977 U CN 201720758977U CN 207085649 U CN207085649 U CN 207085649U
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Abstract
The utility model discloses a kind of cold plasma and module occurs, including by N root precisions high-field electrode, the N+1 root precision grounding electrodes being installed in parallel at equal intervals in the rectangular-shaped electric discharge framework of isolation material, and by being that the form of an accurate high-field electrode is arranged and is electrically connected to form a discharge cell between adjacent two accurate grounding electrodes；The accurate high-field electrode and accurate grounding electrode are concentric in quartz medium pipe；The outside of two relative electrode installing plates of the electric discharge framework sets the high-voltage power transmission device and earthing or grounding means for connecting the accurate high-field electrode and accurate grounding electrode respectively, there is built-in electrical insulation encapsulated layer on the inside of the electrode installing plate, there is exterior insulation encapsulated layer in the outside of the high-voltage power transmission device and earthing or grounding means respectively.The utility model produces cold plasma using dielectric barrier discharge, and available for the VOC (VOCs) discharged in improvement industrial processes, disposal ability is efficiently, securely and reliably.
Description
Technical field
It the utility model is related to cold plasma and building block technique field occur, and in particular to mould occurs for a kind of cold plasma
Block.
Background technology
Dielectric barrier discharge can produce the cold plasma of nonequilibrium state, stably and controllable, quilt under normal temperature and pressure conditionses
It is widely used in the fields such as ozone preparation, surface modification, technical azotification, disinfecting, deodorizing and environmental protection.Engineering practice shows,
Field of environment protection, the cold plasma under the state can effectively administer caused volatile organic compound in industrial processes
Thing (VOCs), such as aldehydes, phenols, benzene class, ketone, alcohols, ethers and amine etc..As atmosphere pollution is continued by people
Concern, the characteristics of technology rely on its own, research and development is obtained interior in recent years, be that one kind is efficient, economical, environmentally friendly
VOC (VOCs) control technology.
At present, double-dielectric barrier discharge, which produces the cold frame mode for waiting plasma, bushing type and calandria.Bushing type
Generation module crosses that wind area is small, and disposal ability is limited, inefficiency, causes relevant device bulky, progressively by calandria
Generation module is substituted.Module occurs for existing calandria in practical engineering application, and fault rate is high, and security is poor, and performance is not
The problems such as stable, administer waste gas to cold plasma treatment and bring challenge.Existing calandria generation module is primarily present following
Problem：
1st, the safety issue of sparking electrode
At present, the sparking electrode of double-dielectric barrier discharge uses metal dust or conductive grease, is placed in medium tube.When long
Between discharge condition in, medium tube can over time aging deform, or even occur blind crack.When discharge tube go out it is incumbent
After what flaw, steady controllable discharge condition does not continue to, it will at medium tube blind crack, electric discharge is concentrated, until will be situated between
Matter pipe punctures, and causes metal dust or conductive grease excessive, causes failure, or even get an electric shock, fire incident.
2nd, module failure problem occurs caused by arcing
Because cold plasma is in the environment of high-frequency and high-voltage, it is very easy to cause phenomenon of arc discharge, so as to cause equipment
Failure.From the point of view of current engineer applied, existing generation module can be improper because of structure in end, in thread micro discharge and along face
Cause phenomenon of arc discharge in discharge process.
During dielectric barrier discharge, thread micro discharge meeting disperse is entirely occurring in module region.In discharge module
End, because structure is improper, it could not strictly control region of discharge so that discharge channel is too close to insulating materials or metal material
Material, cause to concentrate and discharge, phenomenon of arc discharge is produced, so as to break down.
Discharge module is in severe exhaust steam passage, and temperature height, high humidity, corrosivity are strong, is produced for a long time
Cheng Zhong, goo can be accumulated on discharge module surface, structure improperly under the influence of, it may occur that creeping discharge, produce arcing and show
As so as to break down.
Utility model content
The purpose of this utility model is to be directed to technological deficiency present in prior art, and provides one kind and be used for purified industrial
Module occurs for the cold plasma of the VOC (VOCs) discharged during production.
Technical scheme is used by realize the purpose of this utility model：
Module occurs for a kind of cold plasma, including by the rectangular-shaped electric discharge frame for being installed in parallel in isolation material at equal intervals
N root precisions high-field electrode, N+1 root precision grounding electrodes in frame, and be an essence by between adjacent two accurate grounding electrodes
The form of close high-field electrode is arranged and is electrically connected to form a discharge cell；The accurate high-field electrode and accurate grounding electrode
It is concentric to be arranged in quartz medium pipe；The outside of two relative electrode installing plates of the electric discharge framework sets connection institute respectively
The high-voltage power transmission device and earthing or grounding means of accurate high-field electrode and accurate grounding electrode are stated, is had on the inside of the electrode installing plate interior
There is exterior insulation encapsulated layer in portion's insulating sealed layer, the outside of the high-voltage power transmission device and earthing or grounding means respectively.
The accurate high-field electrode and accurate grounding electrode connect high tension terminal and ground connection binding post, the high pressure respectively
Binding post and ground connection binding post after the exterior insulation encapsulated layer partial encapsulation by exposing terminal stud.
The accurate high-field electrode, accurate grounding electrode inner hollow and be connected to T-shaped spindle nose at one end and another
One end positions axis connection with concentric steps respectively, and the T-shaped spindle nose and concentric steps locating shaft are respectively assembled at the quartz and be situated between
The both ends of matter pipe；The T-shaped spindle nose of the accurate high-field electrode is plugged in the spindle nose mounting hole of high-voltage power transmission device, the precision
The T-shaped spindle nose of grounding electrode is plugged in the spindle nose mounting hole of earthing or grounding means.
The T-shaped spindle nose is welded to connect with accurate high-field electrode, accurate grounding electrode.
The concentric steps locating shaft uses a kind of making in PEEK, PI or PA plastics.
The electric discharge framework uses a kind of making in PEEK, PI or PA plastics.
The electric discharge framework includes two straining beams being oppositely arranged, and two electrode installing plates are connected shape with straining beam respectively
Rectangular in form frame structure, on the electrode installing plate processing assembling of the accurate high-field electrode and accurate grounding electrode is installed
Hole.
Processing is formed with ash discarding slope on the straining beam.
The high tension terminal and ground connection binding post are polytetrafluoroethylplastic plastic binding post.
The accurate high-field electrode is processed with accurate grounding electrode by seamless cold stainless steel tube and T-shaped spindle nose laser welding
It is made.
The utility model cold plasma occurs module and produces cold plasma using dielectric barrier discharge, by joining prescription
Formula component devices, available for the VOC (VOCs) discharged in improvement industrial processes, and disposal ability is high
Imitate, be safe and reliable.
Brief description of the drawings
Fig. 1 show the schematic diagram that module occurs for cold plasma of the present utility model；
In figure：1- high tension terminals；2- built-in electrical insulation encapsulated layers；3- electric discharge frameworks；4- exterior insulation encapsulated layers；5- is grounded
Binding post；6- high-voltage power transmission devices；7- concentric steps locating shafts；8- quartz medium pipes；9- precision grounding electrodes；10- is accurate high
Piezoelectricity pole；11- earthing or grounding means.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description only to explain the utility model, is not used to limit the utility model.
As shown in figure 1, module occurs for a kind of cold plasma, including by the rectangle for being installed in parallel in isolation material at equal intervals
N root precisions high-field electrode 10, N+1 root precisions grounding electrode 9 in the electric discharge framework of shape, and press adjacent two accurate grounding electrodes
Between for accurate high-field electrode form arrangement and be electrically connected to form a discharge cell；The accurate high-field electrode and
Accurate grounding electrode is concentric to be arranged in quartz medium pipe 8；Two relative electrode installing plates 31 of the electric discharge framework 3
Outside sets the high-voltage power transmission device 6 and earthing or grounding means 11 for connecting the accurate high-field electrode and accurate grounding electrode respectively, described
There is built-in electrical insulation encapsulated layer 2 on the inside of electrode installing plate, there is outside in the outside of the high-voltage power transmission device and earthing or grounding means respectively
Insulating sealed layer 4, N are natural number.
Wherein, the accurate high-field electrode, accurate grounding electrode are cylindrical-shaped structure, and surface is smooth.The accurate high pressure
Electrode and accurate grounding electrode are Precision Machining parts, and appearance and size, outer shape and surface roughness are guaranteed, improve
The space of disperse micro discharge is covered with rate.Accurate high-field electrode is fixed on the both ends of electric discharge framework, safety and stability, substitutes prior art
The metal dust scheme of use, inherently accomplished electric discharge safety, avoid because cause specific causes quartzy tracheal rupture and
Metal powder space is caused to be spread, or the electric discharge phenomena of built-in electrode and metal object.
The accurate high-field electrode of module occurs for the utility model, accurate grounding electrode is arranged in quartz medium pipe, and with
The inwall of quartz medium pipe forms uniform gap, accurate high by one after mutually equidistantly interval is arranged in electric discharge framework
The extremely connected two equidistant accurate grounding electrodes of piezoelectricity, the connected two accurate high-field electrodes of an accurate grounding electrode carry out wiring
Connection forms multiple discharge cells.
The utility model occurs module and is placed in the waste gas discharged during industrial production, and electric discharge type is put for dielectric impedance
Electricity.The region of discharge of module occurs between accurate high-field electrode and accurate grounding electrode, discharge condition is that disperse is put all over the screen
The thread micro discharge in electric region.
The accurate high-field electrode of module occurs for the utility model and accurate grounding electrode is arranged in quartz medium pipe, is sending out
When raw module is placed in useless electric discharge machining in gas, accurate high-field electrode and accurate grounding electrode avoid corroding not with exhaust gas contact.
Wherein, the quartz medium pipe 8 is tubular body, both ends open, is handled for the arc extinguishing during atmospheric discharge, from
And form the thread micro discharge state for being covered with space.Quartz medium pipe is inorganic transparent material, have less thermal coefficient of expansion,
Higher thermal transition temperature and dielectric properties, preferable resistance to sudden heating, compression strength and heat conductivity.The high pressure power taking dress
Put 6 and earthing or grounding means 11 use board-like quick change construction, convenient installation, ground connection is distributed and concentrated for circuit.
Specifically, the accurate high-field electrode and accurate grounding electrode connect high tension terminal 1 and ground connection binding post respectively
5, the high tension terminal and ground connection binding post after the exterior insulation encapsulated layer partial encapsulation by exposing terminal stud, high-voltage connecting
The termination leakage of terminal 1 and ground connection binding post 5, for being connected with external circuit, that is, connects high-frequency high-voltage circuit.
Module both ends, which occur, for the utility model high tension terminal, ground connection binding post, when external circuit applies particular values
High-frequency and high-voltage electric energy when, module occurs and starts continuous firing, so as between accurate high-field electrode and accurate grounding electrode
Region of discharge produce the whole region of discharge of disperse cold plasma.
Specifically, the inside of the accurate high-field electrode, accurate grounding electrode is hollow, and T is connected at one end
Shape spindle nose 12, and the other end is connected with concentric steps locating shaft 7 respectively, T-shaped spindle nose and concentric steps the locating shaft difference
It is assemblied in the both ends of the quartz medium pipe；The T-shaped spindle nose of the accurate high-field electrode is high pressure power taking end, is plugged on high pressure and takes
In the spindle nose mounting hole of electric installation, the T-shaped spindle nose of the accurate grounding electrode is earth terminal, is plugged on the spindle nose peace of earthing or grounding means
Filling in hole, the concentric steps locating shaft 7 is assemblied in quartz medium Guan Zhonghou outboard ends with maintaining an equal level on the outside of quartz medium pipe, and with
Corresponding high-voltage power transmission device, earthing or grounding means connection.
The utility model occurs module and is provided with the concentric steps locating shaft for using insulating materials, can prevent phenomenon of arc discharge from damaging
Bad equipment, specific concentric steps locating shaft has three effects, first, the effect of concentric steps, it is ensured that accurate high-field electrode and
Spacing between accurate grounding electrode is consistent so that electric discharge is uniform, the spatial distribution of cold plasma is expanded, so as to improve
The efficiency of module purifying volatile organic compound (VOCs) occurs；Second, the axial action of concentric steps locating shaft, prevents essence
Arcing electric discharge occurs for close high-field electrode, accurate grounding electrode and high-voltage power transmission device, reduces fault rate；Third, concentric steps position
The radial effect of axle so that occur in the certain distance of region of discharge, naked material, prevent electric discharge to the close of insulating sealed layer
Sealing destroys.
Wherein, the T-shaped spindle nose is welded to connect with accurate high-field electrode, accurate grounding electrode, specifically, described accurate high
It is processed into accurate grounding electrode by seamless cold stainless steel tube and T-shaped spindle nose laser welding piezoelectricity pole.
Described accurate high-field electrode 10 and the materials seamless cold stainless steel tube of accurate grounding electrode 9, i.e. nichrome,
There is stable chemical property, stable physical property, stable mechanics technical ability, to ensure in air in high intensity adverse circumstances
Burn into is not indeformable in discharge process.
Wherein, the concentric steps locating shaft is processed into by insulation bar, can be used in PEEK, PI or PA plastics
One kind makes, in quartz medium pipe, the inner side smaller diameter end of concentric steps locating shaft connect accurate high-field electrode 10 or
In the positioning hole of accurate grounding electrode 9.Materials high strength plastics PEEK, PI of concentric locating axle 7 or PA, in hot and humid environment,
Remain to keep insulating properties and dimensional stability.
Wherein, the electric discharge framework uses a kind of making in high-strength insulation material PEEK, PI or PA plastics, in high temperature height
In wet environment, remain to keep insulating properties and dimensional stability.The electric discharge framework high-temp resisting high-humidity resisting of module occurs for the utility model
Environment, the failure problems of the easy electric arc of discharge of metal framework are avoided, the danger for avoiding the easy live line work of metal framework is asked
Topic.
Wherein, the electric discharge framework 3 includes two straining beams 32 being oppositely arranged, two electrode installing plates respectively with drawing
Beam is connected to form rectangular-shaped framework structure, and the accurate high-field electrode is installed in processing on the electrode installing plate and precision is grounded electricity
The pilot hole 33 of pole.
Further, processing formed with ash discarding slope (not shown), prevents dust accretions from influenceing thermal diffusion on the straining beam
And module occurs for obstruction.In order to ensure the alignment of the pilot hole on two end electrodes installing plate, nylon, which can be set, in electric discharge framework determines
Position pin carries out alignment positioning.
Wherein, the high tension terminal and ground connection binding post for high pressure power taking and ground connection connect for polytetrafluoroethylplastic plastic
Line terminals.
Wherein, the built-in electrical insulation encapsulated layer and exterior insulation confining bed by fluid sealant electric discharge framework 3 enclosed inside
Formed, with prevent creeping discharge arcing, electric leakage phenomena such as.
The operation principle that module occurs for the utility model cold plasma is as follows：
Under normal temperature and pressure, apply high-frequency high-voltage circuit between accurate high-field electrode and accurate grounding electrode so that space
Interior gas starts to ionize.After the high-frequency and high-voltage of loading reaches to a certain degree, module occurs and carries out dielectric barrier discharge, so as to obtain
Non-equilibrium thermodynamics state cold plasma.The cold plasma internal electron kinetic energy is big, temperature is very high, and ion and ionized gas
Temperature is close to normal temperature.Generation module discharge region have industrial waste gas VOC (VOCs) by when, high energy electron
Contaminant molecule is bombarded, when high energy electron energy is more than contaminant molecule bond energy, contaminant molecule scission of link divides to form fractionlet
Group, under the encirclement of a large amount of living radicals of cold plasma, a series of physical chemical reaction occurs, final volatility is organic
Compound (VOCs) becomes innocuous substance, carbon dioxide and water.
In a word, the utility model is discharged using monoblock type workpiece precision high-field electrode substituted metal powder, improves medium
The security of barrier discharge, the accidents such as the fire caused by discharge fault, electric shock are avoided, and pass through concentric steps locating shaft
Use, prevented phenomenon of arc discharge, reduced discharge fault, at the same ensure that accurate high-field electrode and accurate high-voltage earthing electrode it
Between it is equidistant, provided the foundation for uniform electric discharge, it is ensured that dispersion stability discharges, and adds the treatment efficiency that module occurs.
Described above is only preferred embodiment of the present utility model, it is noted that for the general of the art
For logical technical staff, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (10)
1. module occurs for a kind of cold plasma, it is characterised in that including by the rectangle for being installed in parallel in isolation material at equal intervals
Shape electric discharge framework in N root precisions high-field electrode, N+1 root precision grounding electrodes, and by adjacent two accurate grounding electrodes it
Between for accurate high-field electrode form arrangement and be electrically connected to form a discharge cell；The accurate high-field electrode and essence
It is concentric in quartz medium pipe to touch ground electrode；The outside point of two relative electrode installing plates of the electric discharge framework
The high-voltage power transmission device and earthing or grounding means for connecting the accurate high-field electrode and accurate grounding electrode, the electrode installing plate are not set
Inner side have built-in electrical insulation encapsulated layer, there is exterior insulation encapsulated layer in the outside of the high-voltage power transmission device and earthing or grounding means respectively.
2. module occurs for cold plasma as claimed in claim 1, it is characterised in that the accurate high-field electrode and accurate ground connection
Electrode connects high tension terminal and ground connection binding post respectively, and the high tension terminal and ground connection binding post are sealed by the exterior insulation
Expose terminal stud after dress layer segment encapsulation.
3. module occurs for cold plasma as claimed in claim 2, it is characterised in that the accurate high-field electrode, accurate ground connection
The inner hollow of electrode and be connected to T-shaped spindle nose at one end and the other end respectively with concentric steps position axis connection, the T
Shape spindle nose and concentric steps locating shaft are respectively assembled at the both ends of the quartz medium pipe；The T-shaped axle of the accurate high-field electrode
Head is plugged in the spindle nose mounting hole of high-voltage power transmission device, and the T-shaped spindle nose of the accurate grounding electrode is plugged on earthing or grounding means
In spindle nose mounting hole.
4. module occurs for cold plasma as claimed in claim 3, it is characterised in that the T-shaped spindle nose and accurate high-field electrode,
Accurate grounding electrode is welded to connect.
5. module occurs for cold plasma as claimed in claim 3, it is characterised in that the concentric steps locating shaft uses
A kind of making in PEEK, PI or PA plastics.
6. module occurs for cold plasma as claimed in claim 1, it is characterised in that the electric discharge framework using PEEK, PI or
A kind of making in PA plastics.
7. module occurs for cold plasma as claimed in claim 1, it is characterised in that the electric discharge framework includes what is be oppositely arranged
Two straining beams, two electrode installing plates are connected to form rectangular-shaped framework structure respectively with straining beam, on the electrode installing plate
The pilot hole of the accurate high-field electrode and accurate grounding electrode is installed in processing.
8. module occurs for cold plasma as claimed in claim 7, it is characterised in that is processed on the straining beam oblique formed with ash discarding
Slope.
9. module occurs for cold plasma as claimed in claim 2, it is characterised in that the high tension terminal and ground connection binding post
For polytetrafluoroethylplastic plastic binding post.
10. module occurs for cold plasma as claimed in claim 2, it is characterised in that the accurate high-field electrode connects with precision
Ground electrode is processed into by seamless cold stainless steel tube and T-shaped spindle nose laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758977.9U CN207085649U (en) | 2017-06-27 | 2017-06-27 | Module occurs for a kind of cold plasma |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758977.9U CN207085649U (en) | 2017-06-27 | 2017-06-27 | Module occurs for a kind of cold plasma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207085649U true CN207085649U (en) | 2018-03-13 |
Family
ID=61553849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720758977.9U Active CN207085649U (en) | 2017-06-27 | 2017-06-27 | Module occurs for a kind of cold plasma |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124474A (en) * | 2019-06-12 | 2019-08-16 | 青岛双星环保设备有限公司 | Double-dielectric barrier discharge device for foul waste gas processing |
| CN110124473A (en) * | 2019-06-12 | 2019-08-16 | 青岛双星环保设备有限公司 | Double-dielectric barrier discharge device for foul waste gas processing |
| CN110876223A (en) * | 2018-08-29 | 2020-03-10 | 中国石油化工股份有限公司 | Plasma generator |
| CN111163578A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Electrode sheet, electrode plate, electrode block and plasma generator |
| CN112543542A (en) * | 2019-09-20 | 2021-03-23 | 中国石油化工股份有限公司 | Plasma generating device and exhaust gas treatment system |
| CN115428824A (en) * | 2022-08-16 | 2022-12-06 | 浙江省海洋水产研究所 | Marine product low temperature low plasma sterilization equipment that keeps fresh |
-
2017
- 2017-06-27 CN CN201720758977.9U patent/CN207085649U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110876223A (en) * | 2018-08-29 | 2020-03-10 | 中国石油化工股份有限公司 | Plasma generator |
| CN111163578A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Electrode sheet, electrode plate, electrode block and plasma generator |
| CN110124474A (en) * | 2019-06-12 | 2019-08-16 | 青岛双星环保设备有限公司 | Double-dielectric barrier discharge device for foul waste gas processing |
| CN110124473A (en) * | 2019-06-12 | 2019-08-16 | 青岛双星环保设备有限公司 | Double-dielectric barrier discharge device for foul waste gas processing |
| CN112543542A (en) * | 2019-09-20 | 2021-03-23 | 中国石油化工股份有限公司 | Plasma generating device and exhaust gas treatment system |
| CN115428824A (en) * | 2022-08-16 | 2022-12-06 | 浙江省海洋水产研究所 | Marine product low temperature low plasma sterilization equipment that keeps fresh |
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