CN110234194A - Plasma generator - Google Patents
Plasma generator Download PDFInfo
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- CN110234194A CN110234194A CN201910665624.8A CN201910665624A CN110234194A CN 110234194 A CN110234194 A CN 110234194A CN 201910665624 A CN201910665624 A CN 201910665624A CN 110234194 A CN110234194 A CN 110234194A
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 239000002826 coolant Substances 0.000 claims description 14
- 238000010891 electric arc Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003019 stabilising effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
Abstract
The present invention relates to a kind of plasma generators comprising: first electrode is axially inside equipped with arc channel；First support is connect with the first end clearance fit of the first electrode axial direction；The first support is formed with the first cavity, and first cavity is connected to the arc channel；And second electrode, it is set in first cavity, and along the axial direction setting of the first electrode, there is non-contacting overlay segment between the end of the second electrode and the first end of the first electrode.The first end clearance fit of first support and first electrode of the present invention connects, and can enhance the easy to maintain of equipment conducive to the weight for reducing generator conducive to the Light-duty Structural for realizing plasma generator, reduce material cost consumption；And lesser small product size and weight also easily facilitate installation application.
Description
Technical field
The present invention relates to technical field of plasma more particularly to a kind of plasma generators.
Background technique
Currently, station boiler plasma igniting and stable combustion technology have been widely used in thermal power plant.Electricity
Core equipment one of of the arc plasma generator as the technology proposes the structure lightened of product, miniaturization and high efficiency
Requirements at the higher level out.
Summary of the invention
One of purpose of the invention is to propose a kind of plasma generator conducive to lightness.
Some embodiments of the present invention provide a kind of plasma generator comprising:
First electrode is axially inside equipped with arc channel；
First support is connect with the first end clearance fit of the first electrode axial direction；The first support is formed with
One cavity, first cavity are connected to the arc channel；And
Second electrode is set in first cavity, and is arranged along the axial direction of the first electrode, the second electrode
There is non-contacting overlay segment between end and the first end of the first electrode.
In some embodiments, plasma generator includes:
Shell, is formed with the second cavity, and the first electrode is set in second cavity；And
Second support is threadedly coupled with the first end of the shell, and the second support is formed with third cavity, and described
Three cavitys are connected to second cavity, and the first support is set in the third cavity.
In some embodiments, the second end of the first electrode is pierced by from the second end of the shell；
The first electrode is equipped with the first block close to the position of its second end, and it is empty that first block is located at described second
It is intracavitary；
The second end of the shell is equipped with the second block for extending to the first electrode, second block and described the
One block complements each other to form limit.
In some embodiments, the shell is additionally provided with the third block radially extended, and the third block is close to described
The threaded connection place of shell and the second support, the end abutment of the third block and the second support.
In some embodiments, plasma generator includes:
Partition, between the inner wall and the first electrode of the shell；The partition by the inner wall of the shell with
Space between the first electrode is divided into first inner chamber and the first exocoel, and the first inner chamber is leaned on relative to first exocoel
The nearly first electrode；And
Third bracket is threadedly coupled with the first end of the partition, the third bracket by the first support with it is described
The space of second support is divided into second inner chamber and the second exocoel, and the second inner chamber is relative to second exocoel close to described
One bracket；
Wherein, the second inner chamber, the first inner chamber, first exocoel and second exocoel are sequentially communicated, with
Flow cooling medium along the second inner chamber, the first inner chamber, first exocoel and second exocoel.
In some embodiments, plasma generator include the first drainage device, be set to the first inner chamber, for for
The flowing of cooling medium provides power.
In some embodiments, the radial dimension at the corresponding position for installing first drainage device of the first electrode is small
Radial dimension in other positions of the first electrode.
In some embodiments, the outer wall of the first electrode is equipped with multiple diversion trenches, and the diversion trench is located at described the
The downstream of one drainage device, axial direction setting of the diversion trench along the first electrode.
In some embodiments, plasma generator include the second drainage device, be set to the second electrode with it is described
Between first support, for providing power for the flowing of gas.
In some embodiments, the second electrode position opposite with the first support is equipped with the first insulating part, institute
The first support position opposite with the second electrode is stated equipped with the second insulating part.
In some embodiments, the first electrode is equipped with fourth gear block, and the fourth gear block is close to the first electrode
At the clearance fit of the first support, the end abutment of the fourth gear block and the first support.
In some embodiments, the first seal groove, first sealing are equipped between the first electrode and first support
Slot is equipped with first at the first end of the first electrode and the clearance fit of the first support in first seal groove
Sealing ring.
In some embodiments, the second seal groove, second sealing are equipped between the second support and the shell
Slot is equipped with the second sealing ring in the threaded connection place of the second support and the shell, second seal groove.
In some embodiments, third seal groove, the third are equipped between second block and the first electrode
It is equipped with third sealing ring in seal groove, is tightly connected so as to be formed between second block and the first electrode.
In some embodiments, the arc channel includes the first passage set gradually along electric arc flow direction, second
Channel and third channel；
Along electric arc flow direction, the radial dimension of the first passage is gradually reduced；
Along electric arc flow direction, the radial dimension of the second channel is consistent；
Along electric arc flow direction, the radial dimension of the third channel is gradually increased.
Based on the above-mentioned technical proposal, the present invention at least has the advantages that
In some embodiments, the first end clearance fit of first support and first electrode connect, for quickly be packed into or
Extract first electrode out, it is easy for installation, conducive to the Light-duty Structural for realizing plasma generator, the weight of generator is reduced, it can
Enhance the easy to maintain of equipment, reduce material cost consumption；And lesser small product size and weight also easily facilitate installation and answer
With.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic cross-sectional view for the plasma generator that some embodiments of the invention provide；
Fig. 2 is the stereoscopic schematic diagram for the first electrode that some embodiments of the invention provide；
Fig. 3 is the schematic front view for the first electrode that some embodiments of the invention provide；
Fig. 4 is the A-A schematic cross-sectional view in Fig. 3.
Numbering in the drawing explanation:
1- first electrode；11- arc channel；The first block of 12-；13- diversion trench；The first seal groove of 14-；15- fourth gear
Block；
2- first support；
3- second electrode；
4- shell；The second block of 41-；42- third block；43- third seal groove；
5- second support；The second seal groove of 51-；
6- partition；
7- third bracket；
The first drainage device of 81-；The second drainage device of 82-；
The first insulating part of 91-；The second insulating part of 92-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
As shown in Figure 1, in some embodiments, plasma generator includes first electrode 1, first support 2 and second
Electrode 3.
The inside of first electrode 1 is equipped with arc channel 11 along its axial first end to the direction of second end.Arc channel
11 are arranged along the axial of first electrode 1, for passing through air-flow plasma arc.
Optionally, first electrode 1 is made of Cu alloy material, for providing required for arc plasma generator
Power electric conveying, guarantees the normal work of plasma generator.
First support 2 is connect with the first end clearance fit of first electrode 1, for being quickly packed into or extracting out first electrode 1；
First support 2 is formed with the first cavity, and the first cavity is connected to arc channel 11.First support 2 is used to support first electrode 1.
Second electrode 3 is set in the first cavity, and along the axial direction setting of first electrode 1, the end of second electrode 3 and first
There is non-contacting overlay segment between the first end of electrode 1.That is: the end sections of second electrode 3 electric arc that is located at first electrode 1
In channel 11.
In some embodiments, air-flow is by region between second electrode 3 and first support 2, into second electrode 3 with
Non-contact overlapping region between first electrode 1 is generated by the non-contacting overlapping part of first electrode 1 and second electrode 3
Voltage breakdown air-flow and the starting the arc, form plasma arc, and plasma arc is flowed along arc channel 11.
In some embodiments, first support 2 is connect with the first end clearance fit of first electrode 1, for being quickly packed into
Or extraction first electrode 1, it is easy for installation, conducive to the Light-duty Structural for realizing plasma generator, conducive to generator is reduced
Weight can enhance the easy to maintain of equipment, reduce material cost consumption；And lesser small product size and weight also easily facilitate
Installation application, it is more convenient especially for the narrow boiler of exterior space.
In some embodiments, plasma generator includes shell 4 and second support 5.
Shell 4 is formed with the second cavity, and first electrode 1 is set in the second cavity.The first end of shell 4 is to its second end
Direction is identical as the axial direction of first end to its second end of first electrode 1.
Cooling medium channel is formed between first electrode 1 and the inner wall of shell 4, is conducive to form cooling to first electrode 1.
Second support 5 is threadedly coupled with the first end of shell 4, and second support 5 is formed with third cavity, third cavity and
The connection of two cavitys, first support 2 are set in third cavity.
Second support 5 is threadedly coupled with the first end of shell 4, replaces welding or flange plate bolt connection, conducive to significantly subtracting
The outer diameter of few second support 5, mitigates main screw lift, reduces material consumption, realizes the structure of arc plasma generator
Light-duty design.
When maintenance, shell 4 is first backed out, then i.e. Ke Kuaisugenghuan attrition component first electrode 1, structure is simple, replaces electrode
It is convenient and efficient.
In some embodiments, the clearance fit junction of first electrode 1 and first support 2 is located at the formation of second support 5
Third cavity in.
In some embodiments, the second end of first electrode 1 is pierced by from the second end of shell 4.
First electrode 1 is radially equipped with the first block 12 close to the position of its second end, and the first block 12 is located at 4 shape of shell
At the second cavity in.
The second end of shell 4 is radially equipped with the second block 41 extended to first electrode 1, the second block 41 and first gear
Block 12 complements each other to form limit.
As shown in Figure 2 and Figure 3, in some embodiments, first electrode 1 is equipped with fourth gear block 15, and fourth gear block 15 is radial to be prolonged
It stretches.Fourth gear block 15 is close to the clearance fit junction of first electrode 1 and first support 2, the end of first support 2 and the first electricity
The connection of 1 clearance fit of pole, the end abutment of fourth gear block 15 and first support 2, for guaranteeing first electrode 1 and first support 2
Fit closely, guarantee that positive or negative pole power electric from first support 2 is transported to first electrode 1.
In some embodiments, shell 4 is radially equipped with third block 42.Third block 42 is close to shell 4 and second
The threaded connection place of frame 5, shell 4 are connect with the end thread of second support 5, and third block 42 and the end of second support 5 are supported
It connects.
In some embodiments, plasma generator includes partition 6 and third bracket 7.
Partition 6 is set between the inner wall and first electrode 1 of shell 4, the direction of the first end of partition 6 to its second end and the
The direction of first end to its second end of one electrode 1 is identical；Partition 6 divides the space between the inner wall of shell 4 and first electrode 1
For first inner chamber and the first exocoel, first inner chamber is relative to the first exocoel close to first electrode 1.
Third bracket 7 is set between first support 2 and second support 5.The first end screw thread of third bracket 7 and partition 6 connects
Connect, the space of first support 2 and second support 5 is divided into second inner chamber and the second exocoel by third bracket 7, second inner chamber relative to
Second exocoel is close to first support 2.
Wherein, second inner chamber, first inner chamber, the first exocoel and the second exocoel are sequentially communicated, and are conducive to cooling medium along
Two inner cavities, first inner chamber, the first exocoel and the flowing of the second exocoel.That is: cooling medium pass sequentially through second inner chamber, first inner chamber,
First exocoel and the second exocoel cool down for first electrode 1 and second electrode 3.
In some embodiments, first electrode 1 is connect with 2 clearance fit of first support, shell 4 and 5 screw thread of second support
Connection, partition 6 is threadedly coupled with third bracket 7, using threaded connection, relative in the related technology welding or flange plate bolt
Connection etc. conducive to the Light-duty Structural for realizing plasma generator, and is conducive to reduce outer diameter, is conducive to plasma
Device preferably cooperates with burner, is conducive to the arrangement of wind flow field of burner, promotes firing optimization.
In some embodiments, plasma generator includes the first drainage device 81, and the first drainage device 81 is set to the
One inner cavity, for providing power for the flowing of cooling medium.
Optionally, the first drainage device 81 is for guiding cooling medium helical flow.
In some embodiments, the radial dimension at the position of first drainage device 81 of the corresponding installation of first electrode 1 is less than the
The radial dimension at other positions of one electrode 1.
As shown in figure 3, in some embodiments, the outer wall of first electrode 1 is equipped with multiple diversion trenches 13, and diversion trench 13 is located at
The downstream of first drainage device 81, axial direction setting of the diversion trench 13 along first electrode 1, axial direction of the diversion trench 13 along first electrode 1
Setting, conducive to the flowing of guidance cooling medium, conducive to first electrode 1 is fully cooled.
In some embodiments, plasma generator includes the second drainage device 82, and the second drainage device 82 is set to the
Between two electrodes 3 and first support 2, for providing power for the flowing of gas.
Optionally, the second drainage device 82 is used to guide the helical flow of gas.
In some embodiments, the position opposite with first support 2 of second electrode 3 be equipped with the first insulating part 91, first
The position opposite with second electrode 3 of frame 2 is equipped with the second insulating part 92.It is formed between first insulating part 91 and the second insulating part 92 exhausted
Edge layer.
Second drainage device 82 is set to the space between the first insulating part 91 and the second insulating part 92.
In some embodiments, the first seal groove 14 is equipped between first electrode 1 and first support 2.Optionally, the first electricity
The first end of pole 1 is equipped with the first seal groove 14.
First seal groove 14 is close to the first end of first electrode 1 and the clearance fit junction of first support 2, the first sealing
The first sealing ring is equipped in slot 14.
The first sealing ring installed in the first seal groove 14 in first electrode 1 can prevent cooling medium or air-flow from first
Mounting surface between bracket 2 and first electrode 1 passes through.
In some embodiments, the second seal groove 51 is equipped between second support 5 and shell 4.Optionally, second support 5
Equipped with the second seal groove 51.
It is close that second seal groove 51 is equipped with second in the threaded connection place of second support 5 and shell 4, the second seal groove 51
Seal.
The second sealing ring installed in the second seal groove 51 in second support 5 can prevent cooling medium from second support 5
Mounting surface between shell 4 passes through.
In some embodiments, third seal groove 43 is equipped between the second block 41 and first electrode 1.Optionally, second
Block 41 is equipped with third seal groove 43.
It is equipped with third sealing ring in third seal groove 43, connects so as to form sealing between the second block 41 and first electrode 1
It connects.
The second end of shell 4 is equipped with the second block 41 extended to first electrode 1, the second block 41 and 12 phase of the first block
Mutually cooperatively form limit.The third sealing ring installed in third seal groove 43 on second block 41 can prevent cooling medium from
Mounting surface between one electrode 1 and shell 4 passes through.
As shown in figure 4, in some embodiments, arc channel 11 includes that first set gradually along electric arc flow direction is led to
Road, second channel and third channel.
Along electric arc flow direction, the radial dimension of first passage is gradually reduced.
Along electric arc flow direction, the radial dimension of second channel is consistent.
Along electric arc flow direction, the radial dimension of third channel is gradually increased.
First electrode 1 for providing stabilising arc air-flow, cooling circuit required for plasma generator, and wait from
The conveying of power electric required for daughter generator, guarantees the normal work of plasma generator.
Optionally, the wall thickness of first electrode 1 be 4mm~40mm, length L be 200mm~600mm, arc channel 11 it is interior
Diameter is 8mm~60mm.
In some embodiments, first electrode 1 powers on anode, and second electrode 3 powers on cathode.Alternatively, first
Electrode 1 powers on cathode, and second electrode 3 powers on anode.
In some embodiments, cooling medium includes water or other refrigerants.
The embodiment of the present disclosure is used to improve the comprehensive performance of arc plasma generator, realizes arc-plasma
The Light-duty Structural of device.
In some embodiments, the course of work of plasma generator is as follows.
First electrode 1 and second electrode 3 are respectively turned on positive pole and cathode, alternatively, cathode and anode, the first insulating part
91 and second form insulating layer between insulating part 92, and air-flow passes sequentially through insulating layer, the second drainage device 82, second electrode 3 with
First electrode 1 coincidence position, by the voltage breakdown starting the arc for being overlapped position generation of first electrode 1 and second electrode 3,
Plasma arc reaches the arc channel 11 of first electrode 1, becomes with certain rotation speed, pressure is constant and uniform rotation
Turn stabilising arc air-flow, which rotates in arc channel 11.
Arc channel 11 forms the stabilization arc channel of gas discharge, and plasma generator can be produced by stablizing arc channel
Raw plasma arc is stablized at the center of plasma generator, guarantees the normal work of arc plasma generator.
Second inner chamber of the cooling medium between first support 2 and partition 6 enters plasma generator, firstly flows through first
The calorific value of first electrode 1 is taken away in inner cavity, again passes through the first exocoel between partition 6 and shell 4, eventually passes back to second support 5
The second exocoel between partition 6 constitutes cooling circuit, guarantees the temperature of the first electrode 1 of arc plasma generator
Spend it is not too high, to guarantee the normal work of arc plasma generator.
The arc plasma generator of the embodiment of the present disclosure is capable of providing arc channel, stabilising arc air-flow and cooling of electrode,
The normal work for guaranteeing plasma generator can significantly improve the comprehensive performance of arc plasma generator, realize electric arc
The Light-duty Structural of plasma generator.
In the description of the present invention, it is to be understood that, zero is limited using the words such as " first ", " second ", " third "
Component, it is only for convenient for distinguishing to above-mentioned parts, do not have Stated otherwise such as, above-mentioned word contains there is no special
Justice, therefore should not be understood as limiting the scope of the invention.
In addition, it is clearly negate in the case where, the technical characteristic of one of embodiment can valuably with other
One or more embodiments be combined with each other.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (15)
1. a kind of plasma generator characterized by comprising
First electrode (1) is axially inside equipped with arc channel (11)；
First support (2) is connect with the first end clearance fit of the first electrode (1) axial direction；The first support (2) is formed
There is the first cavity, first cavity is connected to the arc channel (11)；And
Second electrode (3) is set in first cavity, and along the axial direction setting of the first electrode (1), the second electrode
(3) there is non-contacting overlay segment between the first end of end and the first electrode (1).
2. plasma generator as described in claim 1 characterized by comprising
Shell (4), is formed with the second cavity, and the first electrode (1) is set in second cavity；And
Second support (5) is threadedly coupled with the first end of the shell (4), and the second support (5) is formed with third cavity,
The third cavity is connected to second cavity, and the first support (2) is set in the third cavity.
3. plasma generator as claimed in claim 2, which is characterized in that the second end of the first electrode (1) is from institute
The second end for stating shell (4) is pierced by；
The first electrode (1) is equipped with the first block (12) close to the position of its second end, and first block (12) is located at institute
It states in the second cavity；
The second end of the shell (4) is equipped with the second block (41) extended to the first electrode (1), second block
(41) limit is complemented each other to form with first block (12).
4. plasma generator as claimed in claim 2, which is characterized in that the shell (4), which is additionally provided with, to be radially extended
Third block (42), threaded connection place of the third block (42) close to the shell (4) and the second support (5), institute
State the end abutment of third block (42) Yu the second support (5).
5. plasma generator as claimed in claim 2 characterized by comprising
Partition (6) is set between the inner wall and the first electrode (1) of the shell (4)；The partition (6) is by the shell
(4) space between inner wall and the first electrode (1) is divided into first inner chamber and the first exocoel, the first inner chamber relative to
First exocoel is close to the first electrode (1)；And
Third bracket (7) is threadedly coupled with the first end of the partition (6), and the third bracket (7) is by the first support
(2) it is divided into second inner chamber and the second exocoel with the space of the second support (5), the second inner chamber is relative to outside described second
Chamber is close to the first support (2)；
Wherein, the second inner chamber, the first inner chamber, first exocoel and second exocoel are sequentially communicated, so that cold
But medium is flowed along the second inner chamber, the first inner chamber, first exocoel and second exocoel.
6. plasma generator as claimed in claim 5, which is characterized in that including the first drainage device (81), be set to institute
First inner chamber is stated, for providing power for the flowing of cooling medium.
7. plasma generator as claimed in claim 6, which is characterized in that described in the corresponding installation of the first electrode (1)
The radial dimension at the position of the first drainage device (81) is less than the radial dimension at other positions of the first electrode (1).
8. plasma generator as claimed in claim 6, which is characterized in that the outer wall of the first electrode (1) is equipped with more
A diversion trench (13), the diversion trench (13) are located at the downstream of first drainage device (81), and the diversion trench (13) is along institute
State the axial setting of first electrode (1).
9. plasma generator as described in claim 1, which is characterized in that including the second drainage device (82), be set to institute
It states between second electrode (3) and the first support (2), for providing power for the flowing of gas.
10. plasma generator as described in claim 1, which is characterized in that the second electrode (3) and described first
The opposite position of frame (2) is equipped with the first insulating part (91), the first support (2) and the second electrode (3) opposite position
Equipped with the second insulating part (92).
11. plasma generator as described in claim 1, which is characterized in that the first electrode (1) is equipped with fourth gear block
(15), the fourth gear block (15) is at the clearance fit of the first electrode (1) and the first support (2), and described the
The end abutment of four blocks (15) and the first support (2).
12. plasma generator as described in claim 1, which is characterized in that the first electrode (1) and first support
(2) between be equipped with the first seal groove (14), first seal groove (14) close to the first electrode (1) first end with it is described
At the clearance fit of first support (2), the first sealing ring is equipped in first seal groove (14).
13. plasma generator as claimed in claim 2, which is characterized in that the second support (5) and the shell
(4) the second seal groove (51) are equipped between, second seal groove (51) is close to the second support (5) and the shell (4)
Threaded connection place, the second sealing ring is equipped in second seal groove (51).
14. plasma generator as claimed in claim 3, which is characterized in that second block (41) and described first
Third seal groove (43) are equipped between electrode (1), third sealing ring are equipped in the third seal groove (43), so that described second
It is formed and is tightly connected between block (41) and the first electrode (1).
15. plasma generator as described in claim 1, which is characterized in that the arc channel (11) includes along electric arc
First passage, second channel and the third channel that flow direction is set gradually；
Along electric arc flow direction, the radial dimension of the first passage is gradually reduced；
Along electric arc flow direction, the radial dimension of the second channel is consistent；
Along electric arc flow direction, the radial dimension of the third channel is gradually increased.
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| CN201910665624.8A CN110234194A (en) | 2019-07-23 | 2019-07-23 | Plasma generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910665624.8A CN110234194A (en) | 2019-07-23 | 2019-07-23 | Plasma generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113079617A (en) * | 2021-04-12 | 2021-07-06 | 陈一波 | Novel coaxial electric heating gun plasma generator with multiple floating electrodes |
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