CN101309546A - AC plasma ejecting gun - Google Patents
AC plasma ejecting gun Download PDFInfo
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- CN101309546A CN101309546A CNA2008101160248A CN200810116024A CN101309546A CN 101309546 A CN101309546 A CN 101309546A CN A2008101160248 A CNA2008101160248 A CN A2008101160248A CN 200810116024 A CN200810116024 A CN 200810116024A CN 101309546 A CN101309546 A CN 101309546A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010304 firing Methods 0.000 abstract description 11
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000000498 cooling water Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000003019 stabilising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001241 arc-discharge method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses an alternative current plasma emitting gun, which comprises a front electrode and a rear electrode, wherein the front electrode is connected with the null line of a power supply, a spraying nozzle is arranged at the outlet end of the front electrode, the rear electrode is connected with the firing line of the power supply, and one end of the rear electrode which is far away from the front electrode is sealed; a clearance is arranged between the front electrode and the rear electrode, and a swirl air inlet ring is also arranged between the front electrode and the rear electrode, and the air inlet opening of the swirl air inlet ring is positioned at the outer side of the clearance; and an insulating ring is connected with the front electrode and the rear electrode. In the alternative current plasma emitting gun, the plasma body can be generated through the alternative current, and the service life of the alternative current plasma emitting gun can be improved.
Description
Technical field
The invention relates to a kind of AC plasma ejecting gun.
Background technology
Plasma generator can provide a kind of efficient and clean thermal source-plasma flow, it is widely used in industrial circles such as utility boiler igniting, cutting, welding, spraying, metallurgical, chemical industry and waste disposal, and material, aerospace scientific domain.Hot plasma has very high temperature and energy density, and contain a considerable amount of charged particles (electronics and ion), it is different from the high-temperature gas with the method generation of chemical combustion, and much the technical processs that can not finish in the past can realize under plasma condition well.In 20 years, the arc discharge method development is very fast in the past, has had widely at industrial circle and has used.
After 2000, China is domestic successfully to be applied in the direct current plasma firing technique on the boiler.So-called direct current plasma firing technique is with direct current striking under the condition of certain medium air pressure, and under high-intensity magnetic field control, obtain the directed flow air plasma of firm power, this plasma forms the great localized hyperthermia of the gradient fire nuclear of T＞4000K in start-up burner, when pulverized coal particle passes through this plasma " fire nuclear ", discharge volatile matter rapidly, reproduce fugitive constituent, and make the pulverized coal particle pulverizing of breaking, thereby burning rapidly reaching the purpose of the acceleration coal dust firing of a little fighting.This technology receives much concern because of having realized non-oil ignition system.
But this direct current plasma firing technique is subjected to its technical limitations, exists problems.What mainly adopt in China at present, is hot cathode direct current plasma firing technique with big electrical current heat electronics radiation pattern.This technology is when work, and electric current increases with the increase of power.Therefore, the power of this technology generally can only reach about 150KW.And the cathode life of this technology generally is no more than 50 hours.Its electrode need be made by noble metal, and cost and operating cost are all higher.The direct current plasma firing technique need dispose rectification power system, the cost height, and occupation of land is many.
Directly power by alternating current and to produce that ac plasma is still unmanned to be used at home and abroad.In view of the deficiency in the above-mentioned existing Plasma Firing Technology, this patent has designed a kind of directly by the cold electrode low current AC plasma firing technique of 380V AC-powered, can overcome the deficiency of existing direct current plasma firing technique.
Summary of the invention
The objective of the invention is, a kind of AC plasma ejecting gun that can produce plasma by alternating current is provided.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize, a kind of AC plasma ejecting gun, wherein: electrode and rear electrode before this ejecting gun comprises, should link to each other with the zero line of power supply by preceding electrode, and the port of export of electrode is provided with nozzle before being somebody's turn to do, this rear electrode links to each other with the live wire of power supply, and this rear electrode is away from the end sealing of preceding electrode; Have the gap between the end face of this forward and backward electrode, and be provided with eddy flow air inlet ring, the air inlet of this eddy flow air inlet ring is positioned at the outside in this gap; A dead ring is connected in this forward and backward electrode.
In preferred embodiment, described rear electrode links to each other with the live wire of above-mentioned power supply by the high-frequency arc strike device.
In preferred embodiment, described eddy flow air inlet ring is annular, and its perisporium upper edge tangential direction is provided with a plurality of above-mentioned air inlets.
In preferred embodiment, the outside of described preceding electrode is provided with preceding water-cooling system.
In preferred embodiment, described ejecting gun also comprises a front sleeve, and described preceding water-cooling system is included in runner, water inlet pipe and the outlet pipe that forms between this front sleeve and the preceding electrode, and this water inlet pipe and outlet pipe are communicated with this runner respectively.
In preferred embodiment, water-cooling system comprises that is also breathed out a volt part sleeve before described, described Kazakhstan volt part sleeve is positioned at this front sleeve, and the outside of electrode before being coated on, and and has a spacing between the preceding electrode, this Kazakhstan volt part sleeve radially is provided with the teat of a circle, the setting of staggering in the axial direction of described water inlet pipe and outlet pipe, and described teat is arranged on water inlet pipe and outlet pipe on the position between the axial direction.
In preferred embodiment, the outside of described rear electrode is provided with the back water-cooling system.
In preferred embodiment, sleeve after described ejecting gun also comprises, described back water-cooling system is included in fluid passage, water inlet and the delivery port that forms between this back sleeve and the rear electrode, and this water inlet and delivery port are connected with this fluid passage respectively.
In preferred embodiment, described back sleeve comprises the first back sleeve and the second back sleeve that is tightly connected mutually, above-mentioned water inlet and delivery port are installed on the first back sleeve, and an end of the second back sleeve is connected with the first back sleeve seal, and the protuberance of the other end and rear electrode is tightly connected.
In preferred embodiment, an end of described rear electrode sealing is connected with a binding post, and axially being provided with of this binding post connects compressed-air actuated through hole.
In preferred embodiment, all greater than the cross section of electrode itself, this forward and backward electrode opposing end faces all has certain tapering to described forward and backward electrode opposing end faces area, makes gap between the forward and backward electrode inboard less than the gap between the outside
AC plasma ejecting gun of the present invention has following characteristics and advantage:
1, because the present invention has eddy flow air inlet ring, makes compressed air can produce swirling eddy, thereby can elongate electric arc, realize the powerful input of little electric current, to improve the useful life of plasma ejecting gun through its air inlet;
2, it has avoided electrode Yin Gaowen and scaling loss by structural approachs such as turn electric arc arc root, elongation electric arc, introducing water-cooling systems, has guaranteed the useful life of plasma torch;
Energy ignite in wink when 3, it made the plasma-arc that is produced be subjected to the disturbance blow-out by the high-frequency arc strike device, thereby had guaranteed the stability of the electric arc that produces;
4, because swirling eddy has from the stabilising arc effect, therefore, whole plasma ejecting gun need not the stabilising arc coil.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.
Wherein,
Fig. 1 is the schematic perspective view of AC plasma ejecting gun of the present invention;
Fig. 2 is that the master of AC plasma ejecting gun of the present invention looks schematic diagram;
Fig. 3 is the generalized section along the A-A line among Fig. 2;
Fig. 4 is preceding electrode of the present invention and the decomposing state schematic diagram of breathing out volt part sleeve;
Fig. 5 is that the master of eddy flow air inlet ring of the present invention looks generalized section;
Fig. 6 is the schematic side view of eddy flow air inlet ring of the present invention.
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
Shown in Fig. 1-4, the present invention proposes a kind of AC plasma ejecting gun, it can directly utilize the single phase poaer supply in the 380V alternating current to produce plasma.Electrode 1 and rear electrode 2 before this ejecting gun comprises.Should before electrode 1 can be the hollow cylindrical electrode, and link to each other with the zero line of power supply, the port of export of this preceding electrode 1 end of rear electrode 2 (promptly away from) is provided with nozzle 11.This rear electrode 2 can be the hollow cylindrical electrode, and links to each other with the live wire of power supply, and this rear electrode 2 is away from the end sealing of preceding electrode 1.Has gap 3 between the end face of this forward and backward electrode, this gap is preferably 1～4mm, and be provided with eddy flow air inlet ring 4, the air inlet of this eddy flow air inlet ring 4 is positioned at the outside in this gap 3, make compressed air pass through this eddy flow air inlet ring 4 backs and form the supersonic speed swirling eddies that this swirling eddy is formed rotating plasma after the electric arc ionization between the forward and backward electrode 1,2 during by the gap 3 between this forward and backward electrode 1,2, and rotate in the pipe of preceding electrode 1, by nozzle 11 ejections.Be connected with dead ring 7 between this forward and backward electrode 1,2, make between two electrodes and insulate.Wherein, forward and backward electrode 1,2, eddy flow air inlet ring 4 are made by metal.
Because the present invention adopts alternating current to do power supply, before, rear electrode 1,2 voltage is in real-time change, make that adopting the formed electric arc of AC plasma firing technique to be subject to disturbance extinguishes, the less stable of flame, therefore, in preferred implementation, this rear electrode 2 is to link to each other with the live wire of power supply by high-frequency arc strike device (not shown), high-frequency arc strike device 11 is for the step-up transformer being a main high-frequency generator that constitutes, be converted to high-frequency high-voltage signal in order to low frequency signal with its input, that is to say, produce the high-frequency spark tracking by high-frequency arc strike device 11 and light the electric arc that extinguishes, keep electric arc surely to fire.Because this high-frequency arc strike apparatus structure is known by those skilled in the art, so be not described in detail.
In preferred implementation, shown in Fig. 5,6, this eddy flow air inlet ring 4 is annular, its perisporium upper edge tangential direction is provided with a plurality of air inlets 41, so that the compressed air that enters from the air inlet pipe 42 of ejecting gun can form swirling eddy after by this air inlet 41, thereby can fully elongate air-flow through the formed arc length of ionization, and owing to the increase of arc voltage with arc length increases, therefore with under the constant power, the present invention can carry out work with lower electric current, and then has alleviated the scaling loss of electrode greatly.
As shown in Figure 3, before described, rear electrode 1,2 opposing end faces areas are all greater than the cross section of electrode itself, before, rear electrode 1,2 opposing end faces all have certain tapering, promptly, before, rear electrode 1, protrude with respect to the outside inboard of 2 end face, make gap between its inboard less than the gap between the outside, after compressed air enters from eddy flow air inlet ring 4, be incorporated into inboard less clearance by bigger gap, the outside, thereby can be when making things convenient for air-flow to flow betwixt, also can make the easier quilt of hyperacoustic zone swirling eddy before, rear electrode 1, electric arc ionization between 2.
The outside of preceding electrode 1 is provided with preceding water-cooling system, particularly, the present invention also comprises a front sleeve that is made of metal 51, preceding water-cooling system is included in runner 52, water inlet pipe 53 and the outlet pipe 54 that forms between this front sleeve 51 and the preceding electrode 1, and this water inlet pipe 53 and outlet pipe 54 are communicated with this runner 52 respectively.In the present embodiment, the two ends of preceding electrode 1 are provided with convex 12, the outside of electrode 1 before front sleeve 51 is arranged on, and the two ends of front sleeve 51 are sealedly and fixedly connected with the convex 12 at preceding electrode 1 two ends respectively, thus between preceding electrode 1 and front sleeve 51 formation runner 52; The upper and lower that makes progress in the footpath of front sleeve 51 is equipped with installing hole, water inlet pipe 54 and outlet pipe 55 seal respectively and are installed in the installing hole of upper and lower, and be connected with runner 53 respectively, cooling water enters runner 53 from water inlet pipe 54, preceding electrode 1 cooling back is flowed out from outlet pipe 55, so circulation can make cooling water take away the high heat energy that electric arc adds to electrode, so that preceding electrode 1 can be cooled well, reduces the possibility of electrode Yin Gaowen scaling loss.
Furthermore, for fear of cooling water from water inlet pipe 53 enter runner 52 after, and before fully not cooling off, promptly flow out under electrode 1 situation from outlet pipe 54, in preceding water-cooling system, be provided with one and breathe out volt part sleeve 55, this Kazakhstan volt part sleeve 55 is positioned at front sleeve 51, and the outside of electrode 1 before being coated on, and and has a spacing 56 between the preceding electrode 1, breathe out the teat 57 that volt part sleeve 55 is provided with a circle diametrically, the setting and water inlet pipe 53 and outlet pipe 54 stagger in the axial direction, teat 57 is arranged on water inlet pipe 53 and outlet pipe 54 just on the position between the axial direction, as Fig. 3, shown in 4, after cooling water enters runner 52 from water inlet pipe 53, stopped by teat 57 and in the past the front end of electrode 1 enter spacing 56, the spacing 56 until the rear end of the past electrode 1 flows out, with electrode 1 before the abundant cooling, then enter in the runner of breathing out between volt part sleeve 55 and the front sleeve 51 52, flow out from outlet pipe 54 again.Wherein, Kazakhstan volt part sleeve 55 can be split type, with the outside of electrode 1 before conveniently being coated on.
The outside of rear electrode 2 also can be provided with the back water-cooling system, wherein, this the back water-cooling system can with the similar of preceding water-cooling system, be surrounded with a back sleeve that is made of metal in the outside of rear electrode 2, back water-cooling system is included in fluid passage 61, water inlet 62 and the delivery port 63 that forms between this back sleeve and the rear electrode 2, and this water inlet 62 and delivery port 63 are connected with fluid passage 61 respectively.In the present embodiment, this back sleeve comprises the first back sleeve 64 and the second back sleeve 65 that is tightly connected, above-mentioned water inlet 62, delivery port 63 be installed in respectively first the back sleeve 64 on, the below, second 65 in the sleeve in back is that an end and the first back sleeve 64 are tightly connected, the protuberance 21 of the other end and rear electrode 2 is tightly connected, thereby between rear electrode 2 and back sleeve, form fluid passage 61, cooling water enters fluid passage 61 from this water inlet 62, flow out from this delivery port 63 cooling rear electrode 2 backs, so circulation can make cooling water take away the high heat energy that electric arc adds to electrode, so that rear electrode 2 can be cooled well, reduce the possibility of electrode Yin Gaowen scaling loss.
Above-mentioned dead ring 7 is connected in forward and backward electrode 1,2, and in the present embodiment, dead ring 7 is fixedly installed on the outside of the second back sleeve 65, and is connected with eddy flow air inlet ring 4, keeps insulation between the forward and backward electrode 1,2 thereby make.Particularly, a branch sleeve that is made of metal 8 is fixed together front sleeve 51, eddy flow air inlet ring 4 and dead ring 7 by fixture.
Execution mode 2
On the basis of above-mentioned execution mode, one end of described rear electrode 2 sealings is connected with a binding post 22, axially being provided with of this binding post 22 connects compressed-air actuated through hole (not shown), compressed air enters the inwall of rear electrode 2 from this through hole, in cooling rear electrode 2, can also have the effect that electric arc is passed forward.
Other structures, operation principle and the beneficial effect of present embodiment is identical with execution mode 1, does not repeat them here.
The above only is the schematic embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations and the modification done under the prerequisite that does not break away from design of the present invention and principle all should belong to the scope of protection of the invention.
Claims (11)
1, a kind of AC plasma ejecting gun, it is characterized in that: this ejecting gun comprises preceding electrode (1) and rear electrode (2), should link to each other with the zero line of power supply by preceding electrode (1), and the port of export of electrode (1) is provided with nozzle (11) before being somebody's turn to do, this rear electrode (2) links to each other with the live wire of power supply, and this rear electrode (2) is away from the end sealing of preceding electrode (1); Have gap (3) between the end face of this forward and backward electrode, and be provided with eddy flow air inlet ring (4), the air inlet of this eddy flow air inlet ring (4) is positioned at the outside of this gap (3); A dead ring (7) is connected in this forward and backward electrode (1,2).
2, AC plasma ejecting gun as claimed in claim 1 is characterized in that: described rear electrode (2) links to each other with the live wire of above-mentioned power supply by the high-frequency arc strike device.
3, AC plasma ejecting gun as claimed in claim 2 is characterized in that: described eddy flow air inlet ring (4) is annular, and its perisporium upper edge tangential direction is provided with a plurality of above-mentioned air inlets (41).
4, as each described AC plasma ejecting gun of claim 1-3, it is characterized in that: the outside of electrode (1) is provided with preceding water-cooling system before described.
5, AC plasma ejecting gun as claimed in claim 4, it is characterized in that: described ejecting gun also comprises a front sleeve (51), water-cooling system is included in runner (52), water inlet pipe (53) and the outlet pipe (54) that forms between this front sleeve (51) and the preceding electrode (1) before described, and this water inlet pipe (53) and outlet pipe (54) are communicated with this runner (52) respectively.
6, AC plasma ejecting gun as claimed in claim 5, it is characterized in that: water-cooling system comprises that is also breathed out a volt part sleeve (55) before described, described Kazakhstan volt part sleeve (55) is positioned at this front sleeve (51), and be coated on the outside of preceding electrode (1), and and has a spacing (56) between the preceding electrode (1), this Kazakhstan volt part sleeve (55) radially is provided with the teat (57) of a circle, the setting of staggering in the axial direction of described water inlet pipe (53) and outlet pipe (54), described teat (57) are arranged on water inlet pipe (53) and outlet pipe (54) on the position between the axial direction.
7, AC plasma ejecting gun as claimed in claim 4 is characterized in that: the outside of described rear electrode (2) is provided with the back water-cooling system.
8, AC plasma ejecting gun as claimed in claim 7, it is characterized in that: sleeve after described ejecting gun also comprises, described back water-cooling system is included in fluid passage (61), water inlet (62) and the delivery port (63) that forms between this back sleeve and the rear electrode (2), and this water inlet (62) and delivery port (63) are connected with this fluid passage (61) respectively.
9, AC plasma ejecting gun as claimed in claim 8, it is characterized in that: described back sleeve comprises the first back sleeve (64) and the second back sleeve (65) that is tightly connected mutually, above-mentioned water inlet (62) and delivery port (63) are installed on the first back sleeve (64), one end of the second back sleeve (65) and the first back sleeve (64) are tightly connected, and the protuberance (21) of the other end and rear electrode (2) is tightly connected.
10, as each described AC plasma ejecting gun of claim 1-3, it is characterized in that: an end of described rear electrode (2) sealing is connected with a binding post, and axially being provided with of this binding post connects compressed-air actuated through hole.
11, as each described AC plasma ejecting gun of claim 1-3, it is characterized in that: described forward and backward electrode (1,2) opposing end faces area is all greater than the cross section of electrode itself, this forward and backward electrode opposing end faces all has certain tapering, makes gap between the forward and backward electrode inboard less than the gap between the outside.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810116024 CN101309546B (en) | 2008-07-02 | 2008-07-02 | AC plasma ejecting gun |
| PCT/CN2008/073545 WO2009092234A1 (en) | 2007-12-27 | 2008-12-17 | An ac plasma ejection gun and its power supply method and a pulverized coal burner |
| US12/824,953 US8783196B2 (en) | 2007-12-27 | 2010-06-28 | AC plasma ejection gun, the method for supplying power to it and pulverized coal burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810116024 CN101309546B (en) | 2008-07-02 | 2008-07-02 | AC plasma ejecting gun |
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| Publication Number | Publication Date |
|---|---|
| CN101309546A true CN101309546A (en) | 2008-11-19 |
| CN101309546B CN101309546B (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810116024 Expired - Fee Related CN101309546B (en) | 2007-12-27 | 2008-07-02 | AC plasma ejecting gun |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009092234A1 (en) * | 2007-12-27 | 2009-07-30 | Beijing Guangyao Electricity Equipment Co., Ltd | An ac plasma ejection gun and its power supply method and a pulverized coal burner |
| CN101835337A (en) * | 2010-05-18 | 2010-09-15 | 武汉天和技术股份有限公司 | Plasma generator adopting parallel cooling mode |
| CN102438387A (en) * | 2011-09-28 | 2012-05-02 | 南京创能电力科技开发有限公司 | Cyclone type low-temperature plasma generator |
| CN102625558A (en) * | 2012-03-30 | 2012-08-01 | 安徽航天环境工程有限公司 | Plasma heater with cooling system |
| CN102625559A (en) * | 2012-03-30 | 2012-08-01 | 安徽航天环境工程有限公司 | Long-service-life double-igniting plasma burning torch |
| CN102933017A (en) * | 2012-11-05 | 2013-02-13 | 航天环境工程有限公司 | Built-in spark plug type alternating current plasma generator |
| CN102937051A (en) * | 2012-05-29 | 2013-02-20 | 哈尔滨工程大学 | Swirling type plasma ignition nozzle |
| CN103391678A (en) * | 2012-05-07 | 2013-11-13 | Gs普兰斯特有限公司 | Plasma torch of non-transferred and hollow type |
| CN103906337A (en) * | 2014-04-27 | 2014-07-02 | 衢州昀睿工业设计有限公司 | Plasma torch for dielectric heating |
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| CN107949139A (en) * | 2017-11-29 | 2018-04-20 | 中国航天空气动力技术研究院 | A kind of serially connected arc plasma generator |
| CN108566715A (en) * | 2018-04-11 | 2018-09-21 | 航天神洁（北京）环保科技有限公司 | A kind of plasma coal acetylene plasma gun |
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| US4549065A (en) * | 1983-01-21 | 1985-10-22 | Technology Application Services Corporation | Plasma generator and method |
| BE898951A (en) * | 1984-02-17 | 1984-08-17 | Centre Rech Metallurgique | ELECTRIC ARC PLASMA TORCH. |
| US5262616A (en) * | 1989-11-08 | 1993-11-16 | Societe Nationale Industrielle Et Aerospatiale | Plasma torch for noncooled injection of plasmagene gas |
| CN200980199Y (en) * | 2006-12-08 | 2007-11-21 | 航天空气动力技术研究院 | An industrial plasma spray gun |
| CN201248190Y (en) * | 2008-07-02 | 2009-05-27 | 北京光耀电力设备有限公司 | AC plasma emission gun |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009092234A1 (en) * | 2007-12-27 | 2009-07-30 | Beijing Guangyao Electricity Equipment Co., Ltd | An ac plasma ejection gun and its power supply method and a pulverized coal burner |
| US8783196B2 (en) | 2007-12-27 | 2014-07-22 | Beijing Gungyao Electricity Equipment Co. Ltd. | AC plasma ejection gun, the method for supplying power to it and pulverized coal burner |
| CN101835337A (en) * | 2010-05-18 | 2010-09-15 | 武汉天和技术股份有限公司 | Plasma generator adopting parallel cooling mode |
| CN101835337B (en) * | 2010-05-18 | 2012-08-22 | 武汉天和技术股份有限公司 | Plasma generator adopting parallel cooling mode |
| CN102438387A (en) * | 2011-09-28 | 2012-05-02 | 南京创能电力科技开发有限公司 | Cyclone type low-temperature plasma generator |
| CN102438387B (en) * | 2011-09-28 | 2014-12-24 | 南京创能电力科技开发有限公司 | Cyclone type low-temperature plasma generator |
| CN102625558B (en) * | 2012-03-30 | 2014-09-03 | 安徽航天环境工程有限公司 | Plasma heater with cooling system |
| CN102625558A (en) * | 2012-03-30 | 2012-08-01 | 安徽航天环境工程有限公司 | Plasma heater with cooling system |
| CN102625559A (en) * | 2012-03-30 | 2012-08-01 | 安徽航天环境工程有限公司 | Long-service-life double-igniting plasma burning torch |
| CN102625559B (en) * | 2012-03-30 | 2014-06-04 | 安徽航天环境工程有限公司 | Long-service-life double-igniting plasma burning torch |
| CN103391678A (en) * | 2012-05-07 | 2013-11-13 | Gs普兰斯特有限公司 | Plasma torch of non-transferred and hollow type |
| CN102937051A (en) * | 2012-05-29 | 2013-02-20 | 哈尔滨工程大学 | Swirling type plasma ignition nozzle |
| CN102933017A (en) * | 2012-11-05 | 2013-02-13 | 航天环境工程有限公司 | Built-in spark plug type alternating current plasma generator |
| CN102933017B (en) * | 2012-11-05 | 2015-03-04 | 航天环境工程有限公司 | Built-in spark plug type alternating current plasma generator |
| CN104039064A (en) * | 2013-03-04 | 2014-09-10 | Gs普兰斯特有限公司 | Non-transferred and hollow type plasma torch |
| CN103906337A (en) * | 2014-04-27 | 2014-07-02 | 衢州昀睿工业设计有限公司 | Plasma torch for dielectric heating |
| CN106322433A (en) * | 2016-09-29 | 2017-01-11 | 南京三乐微波技术发展有限公司 | Microwave plasma acting cavity capable of achieving automatic ignition |
| CN107949139A (en) * | 2017-11-29 | 2018-04-20 | 中国航天空气动力技术研究院 | A kind of serially connected arc plasma generator |
| CN108566715A (en) * | 2018-04-11 | 2018-09-21 | 航天神洁（北京）环保科技有限公司 | A kind of plasma coal acetylene plasma gun |
| CN110208318A (en) * | 2019-06-28 | 2019-09-06 | 西安航天复合材料研究所 | A kind of plasma ablation property test device |
| CN110208318B (en) * | 2019-06-28 | 2022-03-22 | 西安航天复合材料研究所 | Plasma ablation performance testing device |
| CN110248457A (en) * | 2019-07-02 | 2019-09-17 | 深圳杜摩韦尔工程技术有限公司 | A kind of microminiature plasma gun |
| CN112351570A (en) * | 2020-10-19 | 2021-02-09 | 江苏天楹等离子体科技有限公司 | Novel direct current plasma generator |
| CN112839422A (en) * | 2020-12-15 | 2021-05-25 | 成都金创立科技有限责任公司 | Insulation structure for multi-pole plasma generator |
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| CN101309546B (en) | 2012-12-12 |
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