CN201904965U - Arc plasma generator - Google Patents
Arc plasma generator Download PDFInfo
- Publication number
- CN201904965U CN201904965U CN2010206454132U CN201020645413U CN201904965U CN 201904965 U CN201904965 U CN 201904965U CN 2010206454132 U CN2010206454132 U CN 2010206454132U CN 201020645413 U CN201020645413 U CN 201020645413U CN 201904965 U CN201904965 U CN 201904965U
- Authority
- CN
- China
- Prior art keywords
- arc
- anode
- plasma generator
- cathode
- arc plasma
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001590 oxidative effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- QZLJNVMRJXHARQ-UHFFFAOYSA-N [Zr].[Cr].[Cu] Chemical compound [Zr].[Cr].[Cu] QZLJNVMRJXHARQ-UHFFFAOYSA-N 0.000 claims description 3
- YCKOAAUKSGOOJH-UHFFFAOYSA-N copper silver Chemical compound [Cu].[Ag].[Ag] YCKOAAUKSGOOJH-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 31
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 210000002381 plasma Anatomy 0.000 abstract 6
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Plasma Technology (AREA)
Abstract
The utility model relates to an arc plasma generator, which comprises an anode and a cathode, wherein the anode is provided with an arc passage, arcs are generated through discharge between the anode and the cathode, oxidizing gas is adopted as work gas, the arcs heat the work gas to generate plasmas, and the plasmas pass through the arc passage and are sprayed out through a spraying opening of the anode. The arc plasma generator solves the problems of arc plasma generators adopting air as the work gas and is favorable for combustion, the high-temperature reaction capability of the arc plasma generator is improved, the discharge of nitrogen oxides is reduced, and the goals of energy saving and emission reduction are reached.
Description
Technical Field
The utility model relates to an electric arc plasma generator.
Background
The electric arc plasma technology is applied to various fields of national economy for many years, and the main applications of the electric arc plasma technology are plasma cutting, plasma spraying, plasma welding, plasma ultrafine powder, plasma waste incineration, plasma coal powder ignition technology and the like. The method mainly utilizes the characteristics of simpler equipment and technology, concentrated energy, high temperature, easy control and the like of the arc plasma, and has wide application in industry and the like.
The arc plasma generator may use air as the working gas, since air is the most readily available source of gas and the source of gas is inexpensive. The air is ionized into plasma in the arc, and becomes high-temperature plasma, and the main component of the high-temperature plasma is N2、O2、N+、O+、NO、NO+Such as molecules and ions, as well as electrons. Nitrogen in the plasma is easy to react with oxygen at high temperature to generate nitrogen oxide, and the pollution to the atmosphere is increased.
Therefore, a new working gas is required to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric arc plasma generator, its technical scheme as follows:
an arc plasma generator comprises an anode having an arc channel and a cathode, an arc being generated by an electric discharge between the anode and the cathode, an oxidizing gas, especially pure oxygen, being used as a working gas, the arc heating the working gas to form a plasma, the plasma passing through the arc channel and being ejected through a nozzle of the anode.
Preferably, the arc plasma generator comprises a gas inlet ring arranged between the anode and the cathode, through which the working gas is tangentially fed into the arc channel, in which a swirling flow of the working gas is formed.
Preferably, the anode and the cathode are made of an oxidation resistant material, or the inner wall surface of the arc passage of the anode and the surface of the cathode which is in contact with the working gas are coated with an oxidation resistant material.
Preferably, the oxidation resistant material is a chromium zirconium copper alloy or a copper silver alloy.
The utility model discloses in, replace the air as working gas with oxidizing gas especially pure oxygen and be used for plasma generator to solve the problem that adopts the air as working gas's electric arc plasma generator to exist, produce following advantage: 1) the combustion is facilitated, and the high-temperature reaction capacity of the arc plasma generator is improved; 2) the emission of nitrogen oxides is reduced, and the aims of energy conservation and emission reduction are achieved.
Drawings
The structure and features of the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments. Wherein,
figure 1 shows a schematic longitudinal cross-sectional view of an arc plasma generator of the present invention;
figure 2 shows a transverse cross-sectional view of an air inlet ring for an arc plasma generator according to the present invention.
Detailed Description
Fig. 1 shows a longitudinal schematic cross-sectional view of an arc plasma generator according to the invention. The arc plasma generator comprises an anode 1 having an arc channel 11 and a cathode 3, an arc being generated by applying a direct current (with high frequency arc striking or contact arc striking) discharge between the anode 1 and the cathode 3, the arc heating a working gas to generate a plasma, the plasma passing through the arc channel 11 and being ejected through an ejection orifice 12 of the anode 1. In the utility model, pure oxygen is adopted as the working gas X. The anode and cathode materials are made of an oxidation-resistant material to reduce the burning loss of the cathode and anode, or it may be provided that the inner wall surface of the arc path 11 of the anode 1 and the surface of the cathode 3 which is in contact with the working gas X are coated with an oxidation-resistant material. Here, the oxidation resistant material is a chromium zirconium copper alloy or a copper silver alloy. The working gas X enters from the anode and cathode gaps by the tangential rotation of the gas inlet ring 2. The anode 1 and the cathode 3 are preferably arranged coaxially.
The utility model discloses in, according to a variant scheme, because the arc voltage of pure oxygen is lower than the arc voltage of air, through diameter and the length of changing the positive pole electric arc passageway, become the electric arc passageway thin or lengthen, increase the electric arc compression degree or increase the length of electric arc, improve the voltage of electric arc to increase the power of generator.
Figure 2 shows a transverse cross-sectional view of an air inlet ring for an arc plasma generator according to the present invention. The arc plasma generator comprises a gas inlet ring 2 installed between an anode 1 and a cathode 3, through which a working gas X is tangentially introduced into an arc passage 11 to form a swirling flow of the working gas therein. As shown in fig. 2, the gas inlet ring 2 comprises an inlet channel 21 which opens tangentially into the gas inlet ring 2, and the working gas is injected into the gas inlet ring via the inlet channel 21, so that a swirling flow of the working gas is formed in the arc channel 11.
Claims (4)
1. An arc plasma generator comprising an anode and a cathode, the anode having an arc passage, an arc being generated by an electric discharge between the anode and the cathode, characterized in that an oxidizing gas is used as a working gas, the arc heating the working gas to generate a plasma, and the plasma passing through the arc passage and being ejected through a nozzle of the anode.
2. The arc plasma generator of claim 1, wherein said arc plasma generator comprises a gas inlet ring installed between the anode and the cathode, through which the working gas is tangentially introduced into the arc passage to form a swirling flow of the working gas in the arc passage.
3. The arc plasma generator according to claim 1, wherein the anode and the cathode are made of an oxidation resistant material, or an inner wall surface of the arc passage of the anode and a surface of the cathode which is in contact with the working gas are coated with an oxidation resistant material.
4. The arc plasma generator of claim 3, wherein the oxidation resistant material is a chromium zirconium copper alloy or a copper silver alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206454132U CN201904965U (en) | 2010-12-07 | 2010-12-07 | Arc plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206454132U CN201904965U (en) | 2010-12-07 | 2010-12-07 | Arc plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904965U true CN201904965U (en) | 2011-07-20 |
Family
ID=44275557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206454132U Expired - Fee Related CN201904965U (en) | 2010-12-07 | 2010-12-07 | Arc plasma generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904965U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548178A (en) * | 2010-12-07 | 2012-07-04 | 烟台龙源电力技术股份有限公司 | Arc plasma generator |
| CN103354695A (en) * | 2013-07-25 | 2013-10-16 | 安徽省新能电气科技有限公司 | Arc plasma torch having arc channel with abnormal diameter |
| CN104833475A (en) * | 2015-05-12 | 2015-08-12 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Turbine engine jet experiment simulation device |
| CN106181001A (en) * | 2016-08-31 | 2016-12-07 | 成都真火科技有限公司 | A kind of laminar flow plasma welding method and welder |
| CN110056893A (en) * | 2019-05-21 | 2019-07-26 | 成都高鑫焊割科技有限公司 | A kind of pernicious gas burning cracking processor |
-
2010
- 2010-12-07 CN CN2010206454132U patent/CN201904965U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548178A (en) * | 2010-12-07 | 2012-07-04 | 烟台龙源电力技术股份有限公司 | Arc plasma generator |
| CN103354695A (en) * | 2013-07-25 | 2013-10-16 | 安徽省新能电气科技有限公司 | Arc plasma torch having arc channel with abnormal diameter |
| CN103354695B (en) * | 2013-07-25 | 2016-02-24 | 安徽省新能电气科技有限公司 | A kind of arc plasma torch of arc channel diameter abnormity |
| CN104833475A (en) * | 2015-05-12 | 2015-08-12 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Turbine engine jet experiment simulation device |
| CN106181001A (en) * | 2016-08-31 | 2016-12-07 | 成都真火科技有限公司 | A kind of laminar flow plasma welding method and welder |
| CN110056893A (en) * | 2019-05-21 | 2019-07-26 | 成都高鑫焊割科技有限公司 | A kind of pernicious gas burning cracking processor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201904965U (en) | Arc plasma generator | |
| Kogelschatz | Atmospheric-pressure plasma technology | |
| CN101790276B (en) | Plasma generating device and method thereof | |
| CN102548178A (en) | Arc plasma generator | |
| CN204362409U (en) | A kind of two inlet plenum plasma gun | |
| CN103354695A (en) | Arc plasma torch having arc channel with abnormal diameter | |
| US8783196B2 (en) | AC plasma ejection gun, the method for supplying power to it and pulverized coal burner | |
| CN203352934U (en) | Arc plasma torch with special-diameter arc channel | |
| CN106937470B (en) | Heating method and heating device based on plasma arc and application | |
| CN112351570A (en) | Novel direct current plasma generator | |
| KR101179650B1 (en) | An innovative hollow electrodes plasma torch with permanent magnet fields applied in the anode region | |
| CN104902666A (en) | Double airflow supersonic plasma spray gun | |
| CN1589088A (en) | Double anode heat plasma generator | |
| CN102927570A (en) | Dielectric barrier discharge plasma axial rotational flow device | |
| CN1851324A (en) | Coal powder ignition device and method | |
| CN110881239B (en) | Multi-arc plasma reactor introducing external magnetic field and operation method | |
| CN101742808A (en) | High-power v-shaped plasma torch | |
| CN208227404U (en) | A kind of anode of rotational-flow stable arc plasma generator | |
| CN201839502U (en) | Anode of arc plasma generator | |
| CN116582993B (en) | A kind of DC atmospheric pressure plasma generator | |
| CN210274655U (en) | Multistage expansion section electrode spray pipe of high-power thermal plasma torch | |
| CN112996211A (en) | Direct current arc plasma torch applied to hazardous waste treatment | |
| CN111148335A (en) | Plasma preheating pre-reduction spray gun for smelting reduction furnace, reduction furnace and application | |
| CN217989275U (en) | Thermal plasma reactor protection device | |
| CN110167247A (en) | A kind of multistage expansion segment electrode jet pipe of high power thermal plasma torch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20191207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |