DE3808683C1 - - Google Patents

Info

Publication number
DE3808683C1
DE3808683C1 DE3808683A DE3808683A DE3808683C1 DE 3808683 C1 DE3808683 C1 DE 3808683C1 DE 3808683 A DE3808683 A DE 3808683A DE 3808683 A DE3808683 A DE 3808683A DE 3808683 C1 DE3808683 C1 DE 3808683C1
Authority
DE
Germany
Prior art keywords
support arm
heating device
electrodes
arc heating
arc
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
Application number
DE3808683A
Other languages
German (de)
English (en)
Inventor
Hugo Dipl.-Ing. 4130 Moers De Todzy
Karl-Heinz Dipl.-Ing. 4170 Geldern De Muehlenbeck
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Priority to DE3808683A priority Critical patent/DE3808683C1/de
Priority to DE89730059T priority patent/DE58906270D1/de
Priority to ES89730059T priority patent/ES2047148T3/es
Priority to EP89730059A priority patent/EP0332569B1/de
Priority to ZA891817A priority patent/ZA891817B/xx
Application granted granted Critical
Publication of DE3808683C1 publication Critical patent/DE3808683C1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • 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
    • H05B7/02—Details
    • H05B7/11—Arrangements for conducting current to the electrode terminals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
DE3808683A 1988-03-11 1988-03-11 Expired DE3808683C1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE3808683A DE3808683C1 (zh) 1988-03-11 1988-03-11
DE89730059T DE58906270D1 (de) 1988-03-11 1989-03-06 Lichtbogenheizvorrichtung für Pfannen oder Pfannenöfen.
ES89730059T ES2047148T3 (es) 1988-03-11 1989-03-06 Dispositivo de calentamiento de arco voltaico para cucharas u hornos de cuchara.
EP89730059A EP0332569B1 (de) 1988-03-11 1989-03-06 Lichtbogenheizvorrichtung für Pfannen oder Pfannenöfen
ZA891817A ZA891817B (en) 1988-03-11 1989-03-09 Arc heating arrangement for kettles or pan furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3808683A DE3808683C1 (zh) 1988-03-11 1988-03-11

Publications (1)

Publication Number Publication Date
DE3808683C1 true DE3808683C1 (zh) 1989-09-07

Family

ID=6349817

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3808683A Expired DE3808683C1 (zh) 1988-03-11 1988-03-11
DE89730059T Expired - Lifetime DE58906270D1 (de) 1988-03-11 1989-03-06 Lichtbogenheizvorrichtung für Pfannen oder Pfannenöfen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE89730059T Expired - Lifetime DE58906270D1 (de) 1988-03-11 1989-03-06 Lichtbogenheizvorrichtung für Pfannen oder Pfannenöfen.

Country Status (4)

Country Link
EP (1) EP0332569B1 (zh)
DE (2) DE3808683C1 (zh)
ES (1) ES2047148T3 (zh)
ZA (1) ZA891817B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0738099A1 (en) * 1995-04-14 1996-10-16 DANIELI & C. OFFICINE MECCANICHE S.p.A. Secondary circuit with variable impedance for electric arc furnaces

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106990281A (zh) * 2017-03-02 2017-07-28 中国航天空气动力技术研究院 并联三相星型交流电弧加热器电流测量装置及方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3419681A1 (de) * 1984-05-24 1985-11-28 Mannesmann AG, 4000 Düsseldorf Gleichstrom-lichtbogen-heizvorrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE361775C (de) * 1920-01-28 1922-10-19 Frederick Von Schlegell Einrichtung zur selbsttaetigen Regelung elektrischer Lichtboegen, insbesondere fuer elektrische OEfen
DE929864C (de) * 1942-04-03 1955-07-04 Aeg Leitungsfuehrung fuer Drehstrom-Lichtbogenoefen
US2852585A (en) * 1956-05-09 1958-09-16 Unternehmunger Der Eisen Und S Electric arc melting furnace
US3366725A (en) * 1964-12-21 1968-01-30 Watteredge Co Balancing a three-phase power transmission system for an electric arc furnace
US3395238A (en) * 1965-05-17 1968-07-30 Northwestern Steel & Wire Comp Power coupling and electrode arrangement for electric furnace
SE307996B (zh) * 1965-11-30 1969-01-27 Asea Ab
GB1166148A (en) * 1967-06-06 1969-10-08 United Steel Companies Ltd Electric Arc Furnaces
GB1451200A (en) * 1973-12-06 1976-09-29 Inst Elektroswarki Patona Installation for electroslag melting
US3898707A (en) * 1974-01-14 1975-08-12 United States Steel Corp Low balanced reactance delta closure for electric arc furnace transformers
GB1508691A (en) * 1976-02-04 1978-04-26 Inst Elektroswarki Patona Electrode holder for a multielectrode furnace

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3419681A1 (de) * 1984-05-24 1985-11-28 Mannesmann AG, 4000 Düsseldorf Gleichstrom-lichtbogen-heizvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z: Fachberichte Hüttenpraxis Metallverarbeitung, Bd. 24(1986), H. 10, S. 940-946 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0738099A1 (en) * 1995-04-14 1996-10-16 DANIELI & C. OFFICINE MECCANICHE S.p.A. Secondary circuit with variable impedance for electric arc furnaces

Also Published As

Publication number Publication date
EP0332569A1 (de) 1989-09-13
DE58906270D1 (de) 1994-01-13
ZA891817B (en) 1990-02-28
EP0332569B1 (de) 1993-12-01
ES2047148T3 (es) 1994-02-16

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee