CN206181526U - Laminar flow plasma generator cathodic protection cover - Google Patents
Laminar flow plasma generator cathodic protection cover Download PDFInfo
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- CN206181526U CN206181526U CN201621088721.3U CN201621088721U CN206181526U CN 206181526 U CN206181526 U CN 206181526U CN 201621088721 U CN201621088721 U CN 201621088721U CN 206181526 U CN206181526 U CN 206181526U
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- cathodic protection
- protection cover
- intake tunnel
- laminar flow
- exhalant canal
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Abstract
The utility model discloses a laminar flow plasma generator cathodic protection cover relates to laminar flow plasma generator technical field. The utility model discloses cathodic protection covers and is provided with the cooling water passageway, the cooling water passageway includes inhalant canal and exhalant canal, inhalant canal is close to the setting of negative pole spliced pole, the setting of negative pole spliced pole is kept away from to the exhalant canal, the tip of inhalant canal and exhalant canal communicates each other, the cathodic protection envelope of hood on the negative pole spliced pole, be provided with the airflow channel who is used for carrying working gas between cathodic protection cover and the negative pole spliced pole, the utility model discloses can overcome plasma jet's turbulence nature, can produce that high -temperature area is long, the energy attenuation is slow and it is even to distribute, the noise is little, the effective utilization that is favorable to electric arc energy and the plasma jet of being convenient for the process control.
Description
Technical field
This utility model is related to laminar flow plasma generator technical field, sends out more specifically to a kind of laminar flow plasma
Raw device cathodic protection cover structure.
Background technology
Plasma state is the 4th state of material, the almost material of 99 ﹪ in universe（Still unacknowledged dark matter is not included）All
In plasma state.Plasma jet has similarity with general fluid on flow performance, with two kinds of flow regimes：Laminar flow
With turbulent flow.To a certain given fluid, when its flow velocity is less than a particular value, fluid makees well-regulated stratiform or the motion of a fluid stream shape,
Fluid particle does not have transverse movement, advances without interfering with each other between particle, and this liquid form is laminar flow；It is somebody's turn to do when rate of flow of fluid is more than
During value, the well-regulated motion of fluid is destroyed, and particle also has additional transverse movement, fluid in addition to main lengthwise movement
Particle staggeredly confusedly advances, and this liquid form is turbulent flow.
Plasma its temperature distribution range 1,000,000,000 K superhigh temperature then from the low temperature of 10K to nuclear fusion plasma are simultaneously gathered around
There are a series of peculiar properties, make plasma in nano material production, new material synthesis, hot-working manufacture, smelting, probing, coal
The fields such as chemical industry, junk process, material surface process, electronics, new forms of energy, military affairs, Aero-Space obtain extensively application.
In terms of plasma high-temperature thermal source, adopt using the quite varied arc plasma jet overwhelming majority at present
Turbulent flow form works, and this is determined by existing turbulent flow arc plasma jet generator technology and operation principle.Electric arc etc.
Ion generator is divided into two kinds of laminar flow and turbulent flow, and its key technology is generator architecture design.
In recent decades, the development of plasma generator and the exploitation of plasma diagnostics technology is achieved and huge entered
Exhibition, and the application in terms of plasma development is no longer limited to space flight and aviation with the emphasis of exploitation, but more turn to
The application of the industrial departments such as machinery, chemical industry, metallurgy, environmental protection, the particularly application in terms of materials processing and new material development.It is right
In the application of industrial productivity, it is desirable to which plasma generator has longer life-span and higher efficiency.But in Practical Project
Using in, plasma stream is presented complicated flow condition, particularly large scale, big flow, powerful industrial plasma
Turbulent flow is then usually in device.
Therefore, in commercial Application, it is desirable to which plasma jet is stably maintained at laminar condition, this is accomplished by assurance etc.
The links that gas ions are formed in generator, control has an impact the disturbance factor of arc stability, overcomes plasma
The turbulance of jet, just can produce high-temperature area length, energy attenuation it is slow and be evenly distributed, noise is little, be conducive to arc energy
Effectively utilizes and be easy to the plasma jet of technology controlling and process.
Utility model content
In order to overcome defect and deficiency present in above-mentioned prior art, this utility model to provide a kind of laminar flow plasma
Generator cathodic protection cover, goal of the invention of the present utility model be intended to solve prior art plasma stream it is unstable, be in
The phenomenon of existing turbulent flow, laminar flow plasma generator cathodic protection cover of the present utility model can overcome the rapids of plasma jet
Dynamic property, can produce high-temperature area length, energy attenuation it is slow and be evenly distributed, noise is little, be conducive to effective profit of arc energy
With with the plasma jet for being easy to technology controlling and process.
In order to solve above-mentioned problems of the prior art, this utility model is achieved through the following technical solutions：
A kind of laminar flow plasma generator cathodic protection cover, it is characterised in that：The cathodic protection enclosure connects in negative electrode
On post, it is provided with for the gas channel of transportation work gas between the cathodic protection cover and negative electrode connecting pole；The negative electrode
Cooling-water duct is provided with protective cover, the cooling-water duct includes intake tunnel and exhalant canal, and the intake tunnel is leaned on
Nearly negative electrode connecting pole is arranged, and the exhalant canal is arranged away from negative electrode connecting pole；The end of the intake tunnel and exhalant canal
It is interconnected, intake tunnel is connected with water inlet pipe, exhalant canal is connected with outlet pipe, and cooling water enters into logical into water from water inlet pipe
In road, then Jing exhalant canals and outlet pipe flow out.
The radial direction and column distribution of the intake tunnel and exhalant canal along cathodic protection cover.
The intake tunnel and exhalant canal are distributed along cathodic protection cover axial screw.
The gas channel is arranged on cathodic protection cover inwall, and the gas channel is axially distributed along cathodic protection cover.
The gas channel is a plurality of, and is distributed along cathodic protection cover axial screw, and the gas channel is in negative electrode
Two spirals are at least formed in protective cover.
Compared with prior art, the beneficial technique effect that this utility model is brought shows：
1st, laminar flow plasma generator cathodic protection cover of the present utility model can realize laminar flow plasma high arc voltage, little electricity
The mode of operation of stream, structure is comparatively reasonable, can form laminar flow plasma jet.Cathodic protection cover in this utility model
Arrange, contribute to stabilized plasma jet.The jet excellent performance that generator gun body of the present utility model is produced, can long-time
Stable operation, and the jet for producing has length length, energy density concentration, axial-temperature gradient is little, noise is low, controllability
The outstanding advantages such as good, repeatable, precision is high.
The 2nd, gas channel is set between cathode shield and negative electrode connecting pole, and working gas enters into electric power chamber from gas channel
It is interior, in working gas course of conveying, heated by negative electrode connecting pole, prevent from forming draught head because ionization cavity temperature is higher,
Stop the phenomenon of working gas conveying, while the heat of negative electrode connecting pole can be utilized, comprehensively utilize resource.
3rd, cathodic protection cover of the present utility model is cooled down by way of water cooling, cooling is arranged on protective cover logical
Road, on the one hand in order to cool down to negative electrode connecting pole, on the other hand can reduce the temperature of protective cover, so as to prevent heat from passing
It is delivered on the housing of gun body base and gun body, prevents impact to external world, it is ensured that the security performance of gun body, guarantor of the present utility model
Shield is distributed two pipelines, water inlet pipe and outlet pipe, and water inlet pipe is used to cool down negative electrode connecting pole, and outlet pipe is used for cooling protection
Cover.
4th, the quantity of gas channel and the distribution mode of gas channel determine the loading and stability of working gas,
The spiral working gas being loaded into, forms certain spiral force in gas channel, can efficiently reduce the work of electric power intracavity
Counteracting force of the gas to working gas in gas channel, stabilized plasma jet reduces the control difficulty of plasma source.It is logical
Screw arrangement and a plurality of gas channel are crossed, can increase the loading of plasma source working gas can extend the longevity of negative electrode
Life, mitigates the calcination of negative electrode.
Description of the drawings
Fig. 1 is the overall structure diagram of this utility model protective cover；、
Fig. 2 is this utility model protective cover side structure schematic view；
Reference：1st, cathodic protection cover, 2, negative electrode connecting pole, 3, gas channel, 4, intake tunnel, 5, exhalant canal,
6th, water inlet pipe, 7, outlet pipe.
Specific embodiment
Embodiment 1
As the preferred embodiment of this utility model one, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of laminar flow plasma generator cathodic protection cover, the cathodic protection cover 1 is enclosed within negative electrode connecting pole 2, described
The gas channel 3 for transportation work gas is provided between cathodic protection cover 1 and negative electrode connecting pole 2；The cathodic protection cover 1
On be provided with cooling-water duct, the cooling-water duct includes intake tunnel 4 and exhalant canal 5, and the intake tunnel 4 is near cloudy
Pole connecting pole 2 is arranged, and the exhalant canal 5 is arranged away from negative electrode connecting pole 2；The end of the intake tunnel 4 and exhalant canal 5
It is interconnected, intake tunnel 4 is connected with water inlet pipe 6, exhalant canal 5 is connected with outlet pipe 7, and cooling water is entered into from water inlet pipe 6
In intake tunnel 4, then Jing exhalant canals 5 and outlet pipe 7 flow out.
Embodiment 2
As this utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of laminar flow plasma generator cathodic protection cover, the cathodic protection cover 1 is enclosed within negative electrode connecting pole 2, described
The gas channel 3 for transportation work gas is provided between cathodic protection cover 1 and negative electrode connecting pole 2；The cathodic protection cover 1
On be provided with cooling-water duct, the cooling-water duct includes intake tunnel 4 and exhalant canal 5, and the intake tunnel 4 is near cloudy
Pole connecting pole 2 is arranged, and the exhalant canal 5 is arranged away from negative electrode connecting pole 2；The end of the intake tunnel 4 and exhalant canal 5
It is interconnected, intake tunnel 4 is connected with water inlet pipe 6, exhalant canal 5 is connected with outlet pipe 7, and cooling water is entered into from water inlet pipe 6
In intake tunnel 4, then Jing exhalant canals 5 and outlet pipe 7 flow out；The intake tunnel 4 and exhalant canal 5 are along cathodic protection cover 1
Radial direction and column distribution.
Embodiment 3
As this utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of laminar flow plasma generator cathodic protection cover, the cathodic protection cover 1 is enclosed within negative electrode connecting pole 2, described
The gas channel 3 for transportation work gas is provided between cathodic protection cover 1 and negative electrode connecting pole 2；The cathodic protection cover 1
On be provided with cooling-water duct, the cooling-water duct includes intake tunnel 4 and exhalant canal 5, and the intake tunnel 4 is near cloudy
Pole connecting pole 2 is arranged, and the exhalant canal 5 is arranged away from negative electrode connecting pole 2；The end of the intake tunnel 4 and exhalant canal 5
It is interconnected, intake tunnel 4 is connected with water inlet pipe 6, exhalant canal 5 is connected with outlet pipe 7, and cooling water is entered into from water inlet pipe 6
In intake tunnel 4, then Jing exhalant canals 5 and outlet pipe 7 flow out；The intake tunnel 4 and exhalant canal 5 are along cathodic protection cover 1
Radial direction and column distribution；The intake tunnel 4 and exhalant canal 5 are distributed along the axial screw of cathodic protection cover 1.
Embodiment 4
As this utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of laminar flow plasma generator cathodic protection cover, the cathodic protection cover 1 is enclosed within negative electrode connecting pole 2, described
The gas channel 3 for transportation work gas is provided between cathodic protection cover 1 and negative electrode connecting pole 2；The cathodic protection cover 1
On be provided with cooling-water duct, the cooling-water duct includes intake tunnel 4 and exhalant canal 5, and the intake tunnel 4 is near cloudy
Pole connecting pole 2 is arranged, and the exhalant canal 5 is arranged away from negative electrode connecting pole 2；The end of the intake tunnel 4 and exhalant canal 5
It is interconnected, intake tunnel 4 is connected with water inlet pipe 6, exhalant canal 5 is connected with outlet pipe 7, and cooling water is entered into from water inlet pipe 6
In intake tunnel 4, then Jing exhalant canals 5 and outlet pipe 7 flow out；The intake tunnel 4 and exhalant canal 5 are along cathodic protection cover 1
Radial direction and column distribution；The intake tunnel 4 and exhalant canal 5 are distributed along the axial screw of cathodic protection cover 1.The air-flow leads to
Road 3 is arranged on the inwall of cathodic protection cover 1, and the gas channel 3 is along the axially distribution of cathodic protection cover 1.
Embodiment 5
As this utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of laminar flow plasma generator cathodic protection cover, the cathodic protection cover 1 is enclosed within negative electrode connecting pole 2, described
The gas channel 3 for transportation work gas is provided between cathodic protection cover 1 and negative electrode connecting pole 2；The cathodic protection cover 1
On be provided with cooling-water duct, the cooling-water duct includes intake tunnel 4 and exhalant canal 5, and the intake tunnel 4 is near cloudy
Pole connecting pole 2 is arranged, and the exhalant canal 5 is arranged away from negative electrode connecting pole 2；The end of the intake tunnel 4 and exhalant canal 5
It is interconnected, intake tunnel 4 is connected with water inlet pipe 6, exhalant canal 5 is connected with outlet pipe 7, and cooling water is entered into from water inlet pipe 6
In intake tunnel 4, then Jing exhalant canals 5 and outlet pipe 7 flow out；The intake tunnel 4 and exhalant canal 5 are along cathodic protection cover 1
Radial direction and column distribution；The intake tunnel 4 and exhalant canal 5 are distributed along the axial screw of cathodic protection cover 1.The air-flow leads to
Road 3 is arranged on the inwall of cathodic protection cover 1, and the gas channel 3 is along the axially distribution of cathodic protection cover 1.The gas channel 3 is
3, and be distributed along the axial screw of cathodic protection cover 1, and the gas channel 3 forms two spirals in cathodic protection cover 1.
In the present embodiment, the gas channel 3 is 4, and is distributed along the axial screw of cathodic protection cover 1, and described
Gas channel 3 forms 4 spirals in cathodic protection cover 1.
Claims (5)
1. a kind of laminar flow plasma generator cathodic protection cover, it is characterised in that：The cathodic protection cover (1) is enclosed within negative electrode company
Connect on post (2), be provided between the cathodic protection cover (1) and negative electrode connecting pole (2) logical for the air-flow of transportation work gas
Road (3)；Cooling-water duct is provided with the cathodic protection cover (1), the cooling-water duct includes intake tunnel (4) and water outlet
Passage (5), the intake tunnel (4) is arranged near negative electrode connecting pole (2), and the exhalant canal (5) is away from negative electrode connecting pole (2)
Arrange；The intake tunnel (4) is interconnected with the end of exhalant canal (5), and intake tunnel (4) is connected with water inlet pipe (6), goes out
Aquaporin (5) is connected with outlet pipe (7), and cooling water is entered in intake tunnel (4) from water inlet pipe (6), then Jing exhalant canals (5)
Flow out with outlet pipe (7).
2. a kind of laminar flow plasma generator cathodic protection cover as claimed in claim 1, it is characterised in that：The intake tunnel
(4) and exhalant canal (5) along cathodic protection cover (1) radial direction and column distribution.
3. a kind of laminar flow plasma generator cathodic protection cover as claimed in claim 1 or 2, it is characterised in that：The water inlet
Passage (4) and exhalant canal (5) are distributed along cathodic protection cover (1) axial screw.
4. a kind of laminar flow plasma generator cathodic protection cover as claimed in claim 1, it is characterised in that：The gas channel
(3) it is arranged on cathodic protection cover (1) inwall, the gas channel (3) is axially distributed along cathodic protection cover (1).
5. a kind of laminar flow plasma generator cathodic protection cover as described in claim 1 or 4, it is characterised in that：The air-flow
Passage (3) is a plurality of, and is distributed along cathodic protection cover (1) axial screw, and the gas channel (3) is in cathodic protection cover
(1) two spirals are at least formed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088721.3U CN206181526U (en) | 2016-09-29 | 2016-09-29 | Laminar flow plasma generator cathodic protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088721.3U CN206181526U (en) | 2016-09-29 | 2016-09-29 | Laminar flow plasma generator cathodic protection cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206181526U true CN206181526U (en) | 2017-05-17 |
Family
ID=58678179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088721.3U Active CN206181526U (en) | 2016-09-29 | 2016-09-29 | Laminar flow plasma generator cathodic protection cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206181526U (en) |
-
2016
- 2016-09-29 CN CN201621088721.3U patent/CN206181526U/en active Active
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