CN205812485U - A kind of Gliding arc discharge plasma mjector - Google Patents
A kind of Gliding arc discharge plasma mjector Download PDFInfo
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- CN205812485U CN205812485U CN201620735798.9U CN201620735798U CN205812485U CN 205812485 U CN205812485 U CN 205812485U CN 201620735798 U CN201620735798 U CN 201620735798U CN 205812485 U CN205812485 U CN 205812485U
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Abstract
The utility model discloses a kind of Gliding arc discharge plasma mjector, including plasma generator, external power source and external air source.Described plasma generator includes the outer tubular electrode of band conical outlet, central electrode and hollow insulating supporting post, it is primarily characterized in that: described outer tubular electrode is the processing and forming design integrating cavity, conical nozzle, air inlet and ground electrode, conical nozzle structure is conducive to controlling the starting the arc and only occurs in exit, and has line effect;Described external air source is air or oxygen, and wherein air can be provided by air compressor scene.Plasma generator is the spacing of the said two electrode the narrowest place electric discharge starting the arc under action of high voltage, and forms plasma jet outside ejection chamber under the air or oxygen of certain flow rate drives.Different running parameters can be provided for different process objects and application.
Description
Technical field
This utility model relates to a kind of plasma jet device, and the sliding arc structure that specially air or oxygen drives is put
Electricity low-temperature plasma jet device.
Background technology
Atmospheric non-equilibrium plasma has the advantages that electron temperature translation temperature high, heavy particle is relatively low, and permissible
Produce under conditions of atmospheric pressure or superatmospheric, therefore just can obtain chemistry without vacuum system at a lower temperature
Active particle required for reaction, it also has physical process and the chemical processes such as special light, heat, sound, electricity.Atmospheric pressure is non-flat
Weighing apparatus plasma is in fields such as pollutant treatment, sterilizing, material surface modifying, oxidation operation process, thin film depositions
There is broad prospect of application, especially there is compared with killing with medicine in terms of sterilization more preferable safety, and two will not be produced
Secondary pollution.
The production method of atmospheric non-equilibrium plasma and traditional hot plasma, the production method of cold plasma
Different.The most conventional method has noble gas glow discharge, corona discharge, dielectric barrier discharge, microwave discharge and sliding arc
Electric discharge etc..Gliding arc discharge mode can utilize air mass flow to form plasma jet compared with other several discharge modes,
It is more beneficial for the application of nonequilibrium plasma.It is the most non-flat that research shows that the heating region that sliding arc produces shows
Weighing apparatus property, the input electric energy of more than 80% raising by nonequilibrium plasma stimulating chemical reaction efficiency, therefore gliding arc discharge
Capacity usage ratio is the highest, it is thus possible to produce more and quantity active particle.Only need air to drive due to gliding arc discharge
Can produce jet, air low cost, pollution-free and be readily available, it is especially suitable for going out of disinfection application and water surface microorganism
Live and process.The compositions such as a large amount of active oxygen ions of gliding arc discharge generation, energetic free radical group, easily with antibacterial, mycete and bud
Protein and nucleic acid substances generation oxidation reaction in spore, virus and degeneration, make each quasi-microorganism dead.As schistosomulum is usual
Floating on the surface in a static manner, Gliding arc discharge plasma jet can be done directly on schistosomulum and reaches inactivation
Purpose, is so possible not only to the side effect avoiding medicine to cause human body, also will not damage environment.
Gliding arc discharge device is generally made up of 2 blade type electrodes, and the narrowest place punctures formation slip electric arc between electrode.
Gliding arc discharge apparatus structure underaction that this blade type electrode is constituted, compact, portable and stable, be therefore unfavorable for amplifying in
Actual the application especially application on water surface microbial treatments and field studies.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in construction, flexible, compact, solid, portable and discharge stability
Atmospheric pressure Gliding arc discharge plasma mjector, the plasma jet of generation can be applicable to the aspects such as disinfection, especially
Its process being suitable for water surface microorganism and on-site field use thereof.
In order to achieve the above object, the technical scheme that this utility model is used is: sliding arc involved by this utility model
Discharge plasma mjector includes plasma generator, external power source and external air source;Described plasma generator
Including outer tubular electrode, central electrode and the hollow insulating supporting post of band conical outlet, described insulating supporting post rise support and
Fixing described outer tubular electrode and described central electrode effect, described central electrode inserts described insulating supporting post center as height
Piezoelectricity pole, described outer tubular electrode has line effect as ground electrode simultaneously, and said two electrode is connected respectively to described
The two poles of the earth of external power source;Described external power source is alternating current power supply or the pulse power of 5kHz ~ 30kHz;Described external air source is empty
Gas or oxygen, enter plasma generator by airway.
Gliding arc discharge plasma mjector, it is characterised in that: described outer tubular electrode is collection cavity, tapered injection
Mouth, air inlet and ground electrode are in the processing and forming design of one, and simple in construction and dependable performance are stable;Described outer tubular electrode
Main body is internal diameter 6 ~ 20mm, the metal tube of wall thickness 1 ~ 8mm, exports the pyramidal structure into internal diameter 4 ~ 18mm, is conducive to controlling the starting the arc
Only occur in exit, and there is line effect;Described central electrode is the metal electrode of external diameter 1 ~ 10mm;Described insulating supporting
Post center drilling is used for fixing described central electrode;Said two electrode is connected respectively to the two poles of the earth of described external power source, due to
Discharge loop is less by external interference in the formation of plasma generator intracavity, is thus advantageous to form stable plasma
Jet, and the ground end ground connection that described outer tubular electrode is by power supply, to ensure equipment safety;Described external power source be 5kHz ~
The alternating current power supply of 30kHz or the pulse power;Described external air source is air or oxygen, can be provided by gas bomb, and wherein air is also
Can be provided by air compressor scene, enter plasma generator by airway.
Plasma generator is the spacing of the said two electrode the narrowest place electric discharge starting the arc under action of high voltage, and one
The air or oxygen of constant current speed drives and forms plasma jet outside lower ejection chamber.Owing to described power supply is exchange or pulse electricity
Source, thus inhibit arc discharge to develop into spark discharge, the plasma jet of formation is still maintained at low temperature state.This device energy
Steady operation under atmospheric pressure and time source of the gas is air or oxygen, and to keep plasma jet temperature be room temperature or slightly above room
Temperature.The plasma jet area of this device generation, length, intensity can be adjusted by power supply electrical quantity and gas flow rate,
Also generator can be carried out overall amplification, different running parameters can be provided for different process objects and application.
The use of this device is conducive to simplifying discharging structure, makes device more flexible, compact, solid, portable, and is provided that
Stable arc discharging plasma jet.Only need due to gliding arc discharge air or oxygen to drive and can produce jet, particularly
Air low cost, pollution-free and be readily available, therefore this utility model will be greatly improved the range of application of low temperature plasma, especially
It is suitable for disinfection application and the inactivation treatment of water surface microorganism.
Accompanying drawing explanation
Fig. 1 is Gliding arc discharge plasma mjector structural representation.
Detailed description of the invention
As shown in Figure 1.Involved by this utility model, Gliding arc discharge plasma mjector includes that plasma occurs
Device, external power source 1 and external air source 6;Described plasma generator includes the outer tubular electrode 3 of band conical outlet, middle electrocardio
Pole 2 and hollow insulating supporting post 4, described insulating supporting post 4 acts the effect supporting and fixing described electrode 2 and 3, described center
Electrode 2 inserts described insulating supporting post 4 center as high-field electrode, and described outer tubular electrode 3 as ground electrode and provides gas
Body passage, said two electrode 2 and 3 is connected respectively to the two poles of the earth of described external power source 1;Described external power source 1 be 5kHz ~
The alternating current power supply of 30kHz or the pulse power;Described external air source 6 is air or oxygen.It is characterized in that: described outer tubular electrode
3 is the processing and forming design integrating cavity, conical nozzle, air inlet and ground electrode, and simple in construction and dependable performance are steady
Fixed;Described outer tubular electrode 3 main body is internal diameter 6 ~ 20mm, the metal tube of wall thickness 1 ~ 8mm, exports the taper into internal diameter 4 ~ 18mm and ties
Structure, is conducive to controlling the starting the arc and only occurs in exit, and have line effect;Described central electrode 2 is the gold of external diameter 1 ~ 10mm
Belong to electrode;Described insulating supporting post 4 center drilling is used for fixing described central electrode 2.Described external air source 6 is air or oxygen
Gas, can be provided by gas bomb, and wherein air also can be provided by air compressor scene, enters plasma by airway and occurs
Device.
The spacing the narrowest place electric discharge starting the arc of plasma generator said two electrode 2 and 3 under action of high voltage, and
Spray under the air or oxygen of certain flow rate drives and outside chamber, form plasma jet 5.Owing to discharge loop is at plasma
Generator intracavity formed and less by external interference, be thus advantageous to be formed outside stable plasma jet 5, and described tubulose
The electrode 3 ground end ground connection by power supply, to ensure equipment safety.Owing to described external power source 1 is exchange or the pulse power, thus
Inhibiting arc discharge to develop into spark discharge, the plasma jet of formation is still maintained at low temperature state.This device can be at air
Pressure and external air source 6 steady operation when being air or oxygen, and to keep plasma jet 5 temperature be room temperature or slightly above room
Temperature.Plasma jet 5 area of this device generation, length, intensity can be by the electrical quantity of external power source 1 and external air source 6
Gas flow rate be adjusted, it is possible to generator is carried out overall amplification, can carry for different process objects and application
For different running parameters.
Claims (2)
1. a Gliding arc discharge plasma mjector, including plasma generator, external power source and external air source, its
It is characterised by: described plasma generator includes that the outer tubular electrode of band conical outlet, central electrode and hollow insulation are propped up
Dagger, described insulating supporting post plays support and fixing described outer tubular electrode and described central electrode effect, described central electrode
Inserting described insulating supporting post center as high-field electrode, described outer tubular electrode has line simultaneously and makees as ground electrode
With, said two electrode is connected respectively to the two poles of the earth of described external power source;Described external power source is the alternating current of 5kHz ~ 30kHz
Source or the pulse power;Described external air source is air or oxygen, can be provided by gas bomb, and wherein air also can be by air compressor
On-the-spot offer.
2. a Gliding arc discharge plasma mjector as claimed in claim 1, it is characterised in that: described tubulose dispatch from foreign news agency
Extremely integrate the processing and forming design of cavity, conical nozzle, air inlet and ground electrode;Described outer tubular electrode main body is
Internal diameter 6 ~ 20mm, the metal tube of wall thickness 1 ~ 8mm, export the pyramidal structure into internal diameter 4 ~ 18mm, is conducive to controlling the starting the arc and only occurs
In exit;Described central electrode is the metal electrode of external diameter 1 ~ 10mm;Described insulating supporting post center drilling is used for fixing institute
State central electrode.
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CN201620735798.9U CN205812485U (en) | 2016-07-13 | 2016-07-13 | A kind of Gliding arc discharge plasma mjector |
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CN201620735798.9U CN205812485U (en) | 2016-07-13 | 2016-07-13 | A kind of Gliding arc discharge plasma mjector |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106665801A (en) * | 2017-01-10 | 2017-05-17 | 北京农学院 | Treatment method for prolonging storage period of pigeon eggs |
CN107420199A (en) * | 2017-03-31 | 2017-12-01 | 中国人民解放军空军工程大学 | The combustion-supporting driver of aeroengine combustor buring room rotational slide arc plasma |
-
2016
- 2016-07-13 CN CN201620735798.9U patent/CN205812485U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106665801A (en) * | 2017-01-10 | 2017-05-17 | 北京农学院 | Treatment method for prolonging storage period of pigeon eggs |
CN107420199A (en) * | 2017-03-31 | 2017-12-01 | 中国人民解放军空军工程大学 | The combustion-supporting driver of aeroengine combustor buring room rotational slide arc plasma |
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