EP0270520A3 - Plasma arc igniting method - Google Patents

Plasma arc igniting method Download PDF

Info

Publication number
EP0270520A3
EP0270520A3 EP87890271A EP87890271A EP0270520A3 EP 0270520 A3 EP0270520 A3 EP 0270520A3 EP 87890271 A EP87890271 A EP 87890271A EP 87890271 A EP87890271 A EP 87890271A EP 0270520 A3 EP0270520 A3 EP 0270520A3
Authority
EP
European Patent Office
Prior art keywords
plasma arc
igniting method
arc igniting
plasma
igniting
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
EP87890271A
Other languages
German (de)
Other versions
EP0270520A2 (en
EP0270520B1 (en
Inventor
Heinz Dipl.-Ing. Dr. Techn. Muller
Reinhard Dipl.-Ing. Buzzi
Gerhard Dipl.-Ing. Scheiblhofer
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.)
Primetals Technologies Austria GmbH
Original Assignee
Voestalpine AG
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 Voestalpine AG filed Critical Voestalpine AG
Publication of EP0270520A2 publication Critical patent/EP0270520A2/en
Publication of EP0270520A3 publication Critical patent/EP0270520A3/en
Application granted granted Critical
Publication of EP0270520B1 publication Critical patent/EP0270520B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/005—Electrical diagrams
    • 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
    • H05H1/36—Circuit arrangements
EP87890271A 1986-12-01 1987-11-26 Plasma arc igniting method Expired - Lifetime EP0270520B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0319486A AT386717B (en) 1986-12-01 1986-12-01 METHOD FOR ENDING A PLASMA BOW
AT3194/86 1986-12-01

Publications (3)

Publication Number Publication Date
EP0270520A2 EP0270520A2 (en) 1988-06-08
EP0270520A3 true EP0270520A3 (en) 1989-02-01
EP0270520B1 EP0270520B1 (en) 1993-01-13

Family

ID=3546806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87890271A Expired - Lifetime EP0270520B1 (en) 1986-12-01 1987-11-26 Plasma arc igniting method

Country Status (8)

Country Link
US (1) US4764208A (en)
EP (1) EP0270520B1 (en)
JP (1) JPS63148600A (en)
AT (1) AT386717B (en)
DD (1) DD269741A5 (en)
DE (1) DE3783586D1 (en)
FI (1) FI875211A (en)
NO (1) NO169690C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444208A (en) * 1993-03-29 1995-08-22 Fmc Corporation Multiple source plasma generation and injection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071351A1 (en) * 1981-07-30 1983-02-09 Hydro-Quebec A transferred-arc plasma reactor for chemical and metallurgical applications
US4580029A (en) * 1983-10-27 1986-04-01 Union Carbide Corporation Plasma arc power supply and method
DE3528750A1 (en) * 1984-09-26 1986-04-24 Voest-Alpine Ag, Linz Regulating device for a high-power plasma burner, especially for a smelting furnace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2119179A6 (en) * 1970-12-23 1972-08-04 Anvar
BE809746A (en) * 1974-01-15 1974-05-02 ELECTRICAL CURRENT SUPPLY (CONTINUOUS AND ALTERNATIVE) FOR PLASMAS SYSTEMS AT HIGH TEMPERATURES.
AT331434B (en) * 1974-05-28 1976-08-25 Ver Edelstahlwerke Ag PROCEDURE FOR REMOVING UNWANTED ELEMENTS, IN PARTICULAR H2 AND O2 DURING ELECTRIC SLAG REMOVAL AND ARRANGEMENT FOR CARRYING OUT THE PROCEDURE
DD122908A1 (en) * 1975-12-19 1976-11-05
AT372977B (en) * 1982-01-19 1983-12-12 Voest Alpine Ag METHOD AND DEVICE FOR REDUCING OXIDE-CONTAINING FINE-PARTED ORES
DE3375805D1 (en) * 1982-12-22 1988-04-07 Voest Alpine Ag Method of carrying out metallurgical or chemical processes, and a low-shaft furnace
CA1278431C (en) * 1985-09-26 1991-01-02 Nicholas Adrian Barcza Thermal production of magnesium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071351A1 (en) * 1981-07-30 1983-02-09 Hydro-Quebec A transferred-arc plasma reactor for chemical and metallurgical applications
US4580029A (en) * 1983-10-27 1986-04-01 Union Carbide Corporation Plasma arc power supply and method
DE3528750A1 (en) * 1984-09-26 1986-04-24 Voest-Alpine Ag, Linz Regulating device for a high-power plasma burner, especially for a smelting furnace

Also Published As

Publication number Publication date
NO169690B (en) 1992-04-13
EP0270520A2 (en) 1988-06-08
NO874991L (en) 1988-06-02
AT386717B (en) 1988-10-10
EP0270520B1 (en) 1993-01-13
FI875211A (en) 1988-06-02
NO874991D0 (en) 1987-11-30
NO169690C (en) 1992-07-22
FI875211A0 (en) 1987-11-25
JPS63148600A (en) 1988-06-21
DD269741A5 (en) 1989-07-05
ATA319486A (en) 1988-02-15
US4764208A (en) 1988-08-16
DE3783586D1 (en) 1993-02-25

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