DE69320564T2 - Gleichstromlichtbogenofen mit Steuerung der Lichtbogenablenkung - Google Patents

Gleichstromlichtbogenofen mit Steuerung der Lichtbogenablenkung

Info

Publication number
DE69320564T2
DE69320564T2 DE69320564T DE69320564T DE69320564T2 DE 69320564 T2 DE69320564 T2 DE 69320564T2 DE 69320564 T DE69320564 T DE 69320564T DE 69320564 T DE69320564 T DE 69320564T DE 69320564 T2 DE69320564 T2 DE 69320564T2
Authority
DE
Germany
Prior art keywords
arc
furnace
control
deflection
transformer
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
Application number
DE69320564T
Other languages
English (en)
Other versions
DE69320564D1 (de
Inventor
Kjell Bergman
Kenneth Lundstrom
Staffan Granstrom
Gianni Gensini
Giovanni Coassin
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.)
Danieli and C Officine Meccaniche SpA
Original Assignee
Danieli and C Officine Meccaniche SpA
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
Priority claimed from ITUD920128A external-priority patent/IT1259738B/it
Priority claimed from ITUD920127A external-priority patent/IT1259737B/it
Priority claimed from IT92UD185 external-priority patent/IT1260293B/it
Application filed by Danieli and C Officine Meccaniche SpA filed Critical Danieli and C Officine Meccaniche SpA
Publication of DE69320564D1 publication Critical patent/DE69320564D1/de
Application granted granted Critical
Publication of DE69320564T2 publication Critical patent/DE69320564T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
DE69320564T 1992-07-31 1993-07-14 Gleichstromlichtbogenofen mit Steuerung der Lichtbogenablenkung Expired - Fee Related DE69320564T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUD920128A IT1259738B (it) 1992-07-31 1992-07-31 Sistema di controllo dell'arco elettrico in un forno fusorio a corrente continua
ITUD920127A IT1259737B (it) 1992-07-31 1992-07-31 Schermatura dei conduttori per forno fusorio elettrico a corrente continua
IT92UD185 IT1260293B (it) 1992-12-24 1992-12-24 Sistema di controllo dell'arco elettrico in un forno fusorio a corrente continua

Publications (2)

Publication Number Publication Date
DE69320564D1 DE69320564D1 (de) 1998-10-01
DE69320564T2 true DE69320564T2 (de) 1999-04-29

Family

ID=27274208

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320564T Expired - Fee Related DE69320564T2 (de) 1992-07-31 1993-07-14 Gleichstromlichtbogenofen mit Steuerung der Lichtbogenablenkung

Country Status (6)

Country Link
US (1) US5383218A (de)
EP (1) EP0581112B1 (de)
CN (1) CN1082701A (de)
AT (1) ATE170357T1 (de)
DE (1) DE69320564T2 (de)
ES (1) ES2118859T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016219261B3 (de) * 2016-10-05 2017-10-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Positionsbestimmung der Spitze einer Elektroofen-Elektrode, insbesondere einer Söderberg-Elektrode
DE102019210589B3 (de) * 2019-07-18 2020-11-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur räumlich aufgelösten Erfassung der Feldstärke eines räumlich graduell veränderlichen Magnetfeldes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623540C1 (de) * 1996-06-13 1997-12-18 Asea Brown Boveri Verfahren zur Stabilisierung eines Wechselstromnetzes gegen Blindleistungsschwankungen und Blindleistungskompensationseinrichtung
IT1289001B1 (it) * 1996-10-14 1998-09-25 Danieli Off Mecc Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua
EP1795049B1 (de) * 2004-09-01 2016-03-09 Hatch Ltd. System und verfahren zur minimierung des verlusts elektrischer leitfähigkeit während des eindringens von zuführungsmaterial in einen ofen
US8693519B2 (en) * 2008-11-17 2014-04-08 SMS Siemag, LLC Sensor system for bottom electrodes of an electric arc furnace
ITUB20152674A1 (it) * 2015-07-30 2017-01-30 Danieli Automation Spa Apparato e metodo di alimentazione elettrica di un forno elettrico ad arco

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495625A (en) * 1983-07-05 1985-01-22 Westinghouse Electric Corp. Magnetic field stabilized transferred arc furnace
FR2588432B1 (fr) * 1985-10-04 1987-11-27 Jeumont Schneider Dispositif d'alimentation en courant continu d'au moins deux charges electriques ayant une polarite commune, en particulier pour l'alimentation d'arcs electriques multiples
FR2602351B1 (fr) * 1986-08-01 1988-09-09 Clecim Sa Procede de stabilisation des arcs electriques dans un four de fusion de ferraille et four perfectionne pour la mise en oeuvre du procede
FR2602320B1 (fr) * 1986-08-01 1989-12-29 Clecim Sa Procede de fusion de ferraille et four electrique pour la mise en oeuvre du procede
US5138630A (en) * 1989-11-06 1992-08-11 Nkk Corporation Direct current electric arc furnace
WO1991014911A1 (en) * 1990-03-19 1991-10-03 Kawasaki Steel Corporation Dc electric furnace for melting metal
FR2659821B1 (fr) * 1990-03-19 1992-07-24 Clecim Sa Four electrique a courant continu.
EP0473809B1 (de) * 1990-09-03 1993-08-11 Asea Brown Boveri Ag Gleichstrom-Lichtbogenofen
DE4118756C2 (de) * 1991-06-06 1995-11-30 Mannesmann Ag Gleichstromlichtbogenofen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016219261B3 (de) * 2016-10-05 2017-10-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Positionsbestimmung der Spitze einer Elektroofen-Elektrode, insbesondere einer Söderberg-Elektrode
DE102019210589B3 (de) * 2019-07-18 2020-11-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur räumlich aufgelösten Erfassung der Feldstärke eines räumlich graduell veränderlichen Magnetfeldes

Also Published As

Publication number Publication date
DE69320564D1 (de) 1998-10-01
US5383218A (en) 1995-01-17
CN1082701A (zh) 1994-02-23
ATE170357T1 (de) 1998-09-15
EP0581112B1 (de) 1998-08-26
ES2118859T3 (es) 1998-10-01
EP0581112A1 (de) 1994-02-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee