KR900702756A - Liquid-Cooled Plasma Torch with Mobile Signal - Google Patents

Liquid-Cooled Plasma Torch with Mobile Signal

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Publication number
KR900702756A
KR900702756A KR1019900701563A KR900701563A KR900702756A KR 900702756 A KR900702756 A KR 900702756A KR 1019900701563 A KR1019900701563 A KR 1019900701563A KR 900701563 A KR900701563 A KR 900701563A KR 900702756 A KR900702756 A KR 900702756A
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KR
South Korea
Prior art keywords
plasma torch
ignition
electrode
main electrode
tube
Prior art date
Application number
KR1019900701563A
Other languages
Korean (ko)
Inventor
한스-요제프 베버
하인리히-오토 로스너
겝하르트 토말라
Original Assignee
원본미기재
만네스만 아게
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Application filed by 원본미기재, 만네스만 아게 filed Critical 원본미기재
Publication of KR900702756A publication Critical patent/KR900702756A/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/28Cooling arrangements
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/341Arrangements for providing coaxial protecting fluids
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/3421Transferred arc or pilot arc mode
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/3478Geometrical details

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geometry (AREA)
  • Plasma Technology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Gas Burners (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Discharge Heating (AREA)

Abstract

The invention relates to a fluid-cooled plasma burner with transferred arc in which the coolant, electric power and gas are taken via ignition and main electrode lances consisting of coaxial pipes to the ignition and main electrode. To improve the design of the burner, minimise heat losses from the burner jacket and improve the burner efficiency, it is proposed to provide a common coolant circuit (41, 35, 36, 43) for the ignition (16) and main electrode (27, 28) lances.

Description

이동전호를 구비한 액체로 냉각된 플라즈마 토치Liquid-Cooled Plasma Torch with Mobile Signal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따는 플라즈마 토치의 종단면도, 제2도는 점화전극의 고정상태를 나타낸 확대 종단면도.1 is a longitudinal sectional view of a plasma torch according to the present invention, and FIG. 2 is an enlarged longitudinal sectional view showing a fixed state of an ignition electrode.

Claims (21)

이동전호를 구비하며, 액체 냉각되는 플라즈마 토치로서 그 유체, 전류 및 개스는 동축의 관으로 이루어진 점화전극 랜스 및 주전극랜스를 통해 점화전극 및 주전극으로 안내되는 플라즈마 토치에 있어서, 점화전극 랜스와 주전극 랜스(14,16,27,28) 용의 냉매회로(41,35,36,,43)를 구비하는 것을 특징으로 하는 프라즈미 토치.A plasma torch having a mobile signal and liquid-cooled, the fluid, the current and the gas being guided to the ignition electrode and the main electrode through an ignition electrode lance and a main electrode lance composed of coaxial tubes, the ignition electrode lance and And a refrigerant circuit (41, 35, 36, 43) for the main electrode lance (14, 16, 27, 28). 제1항에 있어서, 점화전극 랜스(14,16)는 점화전극(11)과 함께 냉매회로의 채널(35,36)에 대해 밀봉되고 주전극 랜스(27,28) 및 주전극(12)에 대히 전기적으로 절연되는 것을 특징으로 하는 플라즈마 토치.The ignition electrode lances 14 and 16 together with the ignition electrode 11 are sealed to the channels 35 and 36 of the refrigerant circuit and are connected to the main electrode lances 27 and 28 and the main electrode 12. Plasma torch, characterized in that it is electrically insulated. 제1항 또는 제2항에 있어서, 주전극 랜스 및 점화전극 랜스(14,16,27,28)는 서로 동축 배열된 3개의 관(16,27,28)으로 이루어지며 냉매는 한편으로는 외부관(28)과 증간관(27)사이, 다른 한편으로 중간관(27)과 내부관(16) 사이의 서로 연결된 환형채널(35,36)로 안내되는 것을 특징으로 하는 플라즈마 토치.The main electrode lance and the ignition electrode lance (14, 16, 27, 28) are made up of three tubes (16, 27, 28) coaxially arranged with each other and the refrigerant is on the one hand. Plasma torch, characterized in that it is guided between annular channels (35, 36) between the tube (28) and the intermediate tube (27), on the other hand, between the intermediate tube (27) and the inner tube (16). 제3항에 있어서, 주전극 전류용 전류접속체(39)는 외부관(28)과 보조전극 전류용 전류접속체(37)는 내부관(16)에 접속되어 있는 것을 특징으로 하는 플라즈마 토치.4. The plasma torch as claimed in claim 3, wherein the current connecting body (39) for main electrode current is connected to the outer tube (28) and the current connecting body (37) for the auxiliary electrode current. 제1항 내지 제4항 중의 어느 한 항에 있어서, 점화전극 랜스는 점화전류를 안내하는 내부관(16)으로만 형성되어 있으며, 이관의 내부공간(17) 내부로 점화개스가 안내되며, 상기 내부관(16)은 벽이 얇으며 고탄성과 고내열성의 절연호스(25)로 덮히는 것을 특징으로 하는 플라즈마 토치.The ignition electrode lance is formed only by an inner tube (16) for guiding the ignition current, and the ignition gas is guided into the inner space (17) of the tube. The inner tube 16 is a plasma torch, characterized in that the wall is thin and covered with a high elasticity and high heat-resistant insulating hose (25). 제1항 내지 제5항 중의 어느 한 항에 있어서, 상기 점화전극 랜즈(16)는 중간관과 외부관(27,28)으로 이루어진 주전극 랜즈에 대해 반경방향으로 슬리브(31)와 센터링 되는 것을 특징으로 하는 플라즈마 토치.The ignition electrode lens (16) according to any one of the preceding claims, wherein the ignition electrode lens (16) is centered with the sleeve (31) radially with respect to the main electrode lens consisting of an intermediate tube and an outer tube (27, 28). Characterized by a plasma torch. 제3항 내지 제6항 중의 어느 한 항에 있어서, 중간관(27)은 링형상의 전환부(29)와 연결되며 상기관은 냉매 환형채널(35,36)의 연결부 하부에서 주전극(12)까지 돌출되어 있는 것을 특징으로 하는 플라즈마 토치.The intermediate tube 27 is connected to the ring-shaped switching part 29, and the tube is connected to the main electrode 12 under the connection part of the refrigerant annular channels 35 and 36. Plasma torch, characterized in that protrudes to). 제1항 내지 제7항 중의 어느 한 항에 있어서, 상기 중간관(27), 전환부(29) 및 / 또는 슬리브(31)는 전기적으로 절연물질, 바람직하게는 합성수지로 이루어지는 것을 특징으로 하는 플라즈마 토치.8. Plasma according to any one of the preceding claims, characterized in that the intermediate tube (27), the switching section (29) and / or the sleeve (31) are made of an electrically insulating material, preferably a synthetic resin. torch. 제1항 내지 제8항 중의 어느 한 항에 있어서, 점화전극 랜스의 내부관(16)의 원통형 내부공간(27)은 개스노즐(14)에 이르게 되면 상기 노즐은 점화전극(11)과 전기적으로 전도되게 접속되게 접속되어 있는 것을 특징으로 하는 플라즈마 토치.9. The nozzle according to claim 1, wherein the nozzle is electrically connected to the ignition electrode 11 when the cylindrical inner space 27 of the inner tube 16 of the ignition electrode lance reaches the gas nozzle 14. A plasma torch, which is connected to be electrically connected. 제9항에 있어서, 상기 점화전극(11)은 그의 원추형으로 형성된 상부(11')와 함께 개스노즐(14)로 돌출하며 이 개스노즐(14)은 방사상 외부로 경사진 점화개스 안내채널(19)과 함께 형성되는 것을 특징으로 하는 플라즈마 토치.10. The ignition gas guide channel (19) according to claim 9, wherein the ignition electrode (11) protrudes into the gas nozzle (14) together with its conical top portion (11 '), which is inclined radially outward. Plasma torch, characterized in that formed together with. 제9항 또는 제10항에 있어서, 상기 내부관(16)의 점화개스 내부공간(17)은 내부관(16)과 점화전극(11)의 축선에 대해 대칭을 이루는 8내지 12개가 바람직한 다수개의 구멍(19)으로 통해있고 이 구멍들은 주전극(12) 및 출구(23) 부근에서 횡단면부로 다시 함께 안내되는 것을 특징으로 하는 플라즈마 토치.The ignition gas inner space 17 of the inner tube 16 is preferably a plurality of 8 to 12 symmetrical with respect to the axis of the inner tube 16 and the ignition electrode (11). A plasma torch, characterized in that it is through a hole (19) and these holes are guided together back to the cross section near the main electrode (12) and the outlet (23). 제1항 내지 제11항 중의 어느 한 항에 있어서, 개스노즐(14)과 주전극(12)은 링현상의 절연슬리브(20)에 의해서로 해체될 수 있게 연결되는 것을 특징으로 하는 플라즈마 토치.12. The plasma torch according to any one of the preceding claims, wherein the gas nozzle (14) and the main electrode (12) are connected so that they can be disassembled by a ring-shaped insulating sleeve (20). 제12항에 있어서, 상기 절연슬리브(20)는 고내열성 합성수지, 압축밀봉 되는 세라믹 또는 합성수지, 금속과 세라믹으로 이루어진 화합물로 구성되는 것을 특징으로 하는 플라즈마 토치.13. The plasma torch of claim 12, wherein the insulating sleeve (20) is made of a high heat resistant synthetic resin, a compression-sealed ceramic or synthetic resin, and a compound made of metal and ceramic. 제12항 또는 제13항에 있어서, 상기 절연호스(25)는 개스노즐(14)과 절연슬리브(20)의 일부 위에 겹쳐져 밀봉되게 맞물리는 것을 특징으로 하는 플라즈마 토치.14. The plasma torch of claim 12 or 13, wherein the insulating hose (25) is overlapped and sealedly engaged over a portion of the gas nozzle (14) and the insulating sleeve (20). 제12항 내지 제14항 중의 어느 한 항에 있어서, 개스노즐(14)의 외부면과 절연슬리브(20)의 내부 면사이에는 개스노즐(14)의 적당한 홈(48)에 배치되는 0-링 밀봉체(45)가 구비되어 있는 것을 특징으로 하는 플라즈마 토치.15. The zero ring according to any one of claims 12 to 14, arranged in a suitable groove 48 of the gas nozzle 14 between the outer surface of the gas nozzle 14 and the inner surface of the insulating sleeve 20. Plasma torch, characterized in that the sealing member 45 is provided. 제1항 내지 제15항 중의 어느 한 항에 있어서, 상기 주전극(12)은 포트형으로 형성되어 외부관(28)과 전기가 통하게 접속되어 있는 것을 특징으로 하는 플라즈마 토치.The plasma torch according to any one of claims 1 to 15, wherein the main electrode (12) is formed in a port shape and is electrically connected to an outer tube (28). 제1항 내지 제16항 중의 어느 한 항에 있어서, 주전극(12)과 외부관(28) 사이와 주전극(12)과 절연슬리브(20) 사이에는 각각 적어도 하나의 O-링 밀봉체(4717. The apparatus according to any one of claims 1 to 16, wherein at least one O-ring seal between the main electrode 12 and the outer tube 28, and between the main electrode 12 and the insulating sleeve 20, respectively. 47 ,46)가 구비되어 있는 것을 특징으로 하는 플라즈마 토치.46 is provided with a plasma torch. 제1항 내지 제17항 중의 어느 한 항에 있어서, 상기 내부관(16) 및/또는 개스노즐(14)은 구리로 이루어지는 것을 특징으로 하는 플라즈마 토치.18. Plasma torch according to any one of the preceding claims, characterized in that the inner tube (16) and / or the gas nozzle (14) are made of copper. 제1항 내지 제18항 중의 어느 한 항에 있어서, 상기 점화전극(11)은 텅스텐으로 이루어지는 것을 특징으로 하는 플라즈마 토치.19. The plasma torch according to any one of claims 1 to 18, wherein the ignition electrode (11) is made of tungsten. 제1항 내지 제19항 중의 어느 한 항에 있어서, 상기 점화전극(11)은 그 상부의 원추형으로 형성된 부분(11')에서 개스노즐(14)을 형성하는 구리-블록으로 주조되며 이 블로에 내부관(16)의 내부공간(17)상에 원추형으로 되어 있는 구멍들20. The ignition electrode (11) according to any one of the preceding claims, wherein the ignition electrode (11) is cast from a copper-block forming a gas nozzle (14) in a conical portion (11 ') formed thereon. Holes conical in the inner space 17 of the inner tube 16 (19)에 개재되는 것을 특징으로 하는 플라즈마 토치.Plasma torch, characterized in that (19). 제20항에 있어서, 내부관(16)은 하부구역(18)에서 원추형으로 확장되는 것을 특징으로 하는 플라즈마 토치.21. The plasma torch of claim 20, wherein the inner tube (16) extends conically in the lower region (18). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900701563A 1988-12-01 1989-11-24 Liquid-Cooled Plasma Torch with Mobile Signal KR900702756A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3840485A DE3840485A1 (en) 1988-12-01 1988-12-01 LIQUID-COOLED PLASMA TORCH WITH TRANSFERED ARC
DEP3840485.0 1988-12-01
PCT/DE1989/000744 WO1990006666A1 (en) 1988-12-01 1989-11-24 Fluid cooled plasma burner with transferred arc

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KR900702756A true KR900702756A (en) 1990-12-08

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EP (1) EP0446238B1 (en)
JP (1) JP2942354B2 (en)
KR (1) KR900702756A (en)
AT (1) ATE110221T1 (en)
CA (1) CA2004226A1 (en)
DD (1) DD292806A5 (en)
DE (2) DE3840485A1 (en)
ES (1) ES2017440A6 (en)
WO (1) WO1990006666A1 (en)
ZA (1) ZA899174B (en)

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KR100708320B1 (en) * 2004-04-22 2007-04-17 김기현 Apparatus for surface modification of casing-parts using atmospheric-pressure microwave plasma and method thereof

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CA2004226A1 (en) 1990-06-01
EP0446238A1 (en) 1991-09-18
JPH04502531A (en) 1992-05-07
EP0446238B1 (en) 1994-08-17
DE58908219D1 (en) 1994-09-22
ES2017440A6 (en) 1991-02-01
ZA899174B (en) 1990-09-26
WO1990006666A1 (en) 1990-06-14
JP2942354B2 (en) 1999-08-30
DD292806A5 (en) 1991-08-08
ATE110221T1 (en) 1994-09-15
DE3840485A1 (en) 1990-06-07

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