EP0515975A3 - High enthalpy plasma torch - Google Patents

High enthalpy plasma torch Download PDF

Info

Publication number
EP0515975A3
EP0515975A3 EP19920108547 EP92108547A EP0515975A3 EP 0515975 A3 EP0515975 A3 EP 0515975A3 EP 19920108547 EP19920108547 EP 19920108547 EP 92108547 A EP92108547 A EP 92108547A EP 0515975 A3 EP0515975 A3 EP 0515975A3
Authority
EP
European Patent Office
Prior art keywords
plasma torch
high enthalpy
enthalpy plasma
torch
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.)
Granted
Application number
EP19920108547
Other versions
EP0515975B1 (en
EP0515975A2 (en
Inventor
Peter G. Tsantrizos
Raynald Lachance
Bruce Henshaw
Lakis T. Mavropoulos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Noranda Inc
Original Assignee
Noranda Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Noranda Inc filed Critical Noranda Inc
Publication of EP0515975A2 publication Critical patent/EP0515975A2/en
Publication of EP0515975A3 publication Critical patent/EP0515975A3/en
Application granted granted Critical
Publication of EP0515975B1 publication Critical patent/EP0515975B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • H05H1/28—Cooling arrangements
    • 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
    • H05H1/3431—Coaxial cylindrical electrodes
    • 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
    • H05H1/3442—Cathodes with inserted tip
    • 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
    • H05H1/3468—Vortex generators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)
  • Discharge Heating (AREA)
  • Arc Welding In General (AREA)
EP92108547A 1991-05-29 1992-05-20 High enthalpy plasma torch Expired - Lifetime EP0515975B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002043504A CA2043504C (en) 1991-05-29 1991-05-29 High enthalpy plasma torch
CA2043504 1991-05-29

Publications (3)

Publication Number Publication Date
EP0515975A2 EP0515975A2 (en) 1992-12-02
EP0515975A3 true EP0515975A3 (en) 1993-05-12
EP0515975B1 EP0515975B1 (en) 1996-10-30

Family

ID=4147693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92108547A Expired - Lifetime EP0515975B1 (en) 1991-05-29 1992-05-20 High enthalpy plasma torch

Country Status (4)

Country Link
EP (1) EP0515975B1 (en)
JP (1) JP3042919B2 (en)
CA (1) CA2043504C (en)
DE (1) DE69214878T2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703557B1 (en) * 1993-03-29 1995-05-05 Soudure Autogene Francaise Plasma torch and method of implementation for gouging parts.
KR100370184B1 (en) * 1993-10-14 2003-10-17 아토믹 에너지 코퍼레이션 오브 사우스 아프리카 리미티드 Fluorocarbon compound production method
FR2798247B1 (en) * 1999-09-03 2001-11-09 Soudure Autogene Francaise PLASMA TORCH WITH LONG LIFE ELECTRODE SYSTEM
US6919015B2 (en) 2002-12-16 2005-07-19 3M Innovative Properties Company Process for manufacturing fluoroolefins
GB201106314D0 (en) * 2011-04-14 2011-06-01 Edwards Ltd Plasma torch
CN102368888A (en) * 2011-09-28 2012-03-07 南京创能电力科技开发有限公司 Cathode terminal of low temperature plasma generator
US9752206B2 (en) 2011-12-02 2017-09-05 Pyrogenesis Canada Inc. Plasma heated furnace for iron ore pellet induration
CN109014456B (en) 2018-06-22 2020-06-12 沙迪克(厦门)有限公司 Electric discharge machining apparatus
CN116582993B (en) * 2023-04-10 2023-12-15 盐城工学院 DC atmospheric pressure plasma generator

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104310A (en) * 1959-08-24 1963-09-17 Nat Res Dev High temperature torches
US3139509A (en) * 1962-05-07 1964-06-30 Thermal Dynamics Corp Electric arc torch
US3301995A (en) * 1963-12-02 1967-01-31 Union Carbide Corp Electric arc heating and acceleration of gases
US3567898A (en) * 1968-07-01 1971-03-02 Crucible Inc Plasma arc cutting torch
BE896448A (en) * 1983-04-13 1983-10-13 Centre Rech Metallurgique IMPROVEMENTS IN ELECTRODES FOR PLASMA OVENS.
FR2539942A1 (en) * 1983-01-21 1984-07-27 Plasma Energy Corp PLASMA GENERATOR AND METHOD OF OPERATION
US4668853A (en) * 1985-10-31 1987-05-26 Westinghouse Electric Corp. Arc-heated plasma lance
GB2213636A (en) * 1988-01-07 1989-08-16 Toshiba Kk Apparatus for introducing samples into a spectrometer
US4928027A (en) * 1987-08-20 1990-05-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration High temperature refractory member with radiation emissive overcoat

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104310A (en) * 1959-08-24 1963-09-17 Nat Res Dev High temperature torches
US3139509A (en) * 1962-05-07 1964-06-30 Thermal Dynamics Corp Electric arc torch
US3301995A (en) * 1963-12-02 1967-01-31 Union Carbide Corp Electric arc heating and acceleration of gases
US3567898A (en) * 1968-07-01 1971-03-02 Crucible Inc Plasma arc cutting torch
FR2539942A1 (en) * 1983-01-21 1984-07-27 Plasma Energy Corp PLASMA GENERATOR AND METHOD OF OPERATION
BE896448A (en) * 1983-04-13 1983-10-13 Centre Rech Metallurgique IMPROVEMENTS IN ELECTRODES FOR PLASMA OVENS.
US4668853A (en) * 1985-10-31 1987-05-26 Westinghouse Electric Corp. Arc-heated plasma lance
US4928027A (en) * 1987-08-20 1990-05-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration High temperature refractory member with radiation emissive overcoat
GB2213636A (en) * 1988-01-07 1989-08-16 Toshiba Kk Apparatus for introducing samples into a spectrometer

Also Published As

Publication number Publication date
JP3042919B2 (en) 2000-05-22
EP0515975B1 (en) 1996-10-30
CA2043504C (en) 1995-01-17
DE69214878T2 (en) 1997-04-03
JPH04355100A (en) 1992-12-09
EP0515975A2 (en) 1992-12-02
DE69214878D1 (en) 1996-12-05

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