ES2118859T3 - Horno de fusion de corriente continua con control de la deflexion del arco electrico. - Google Patents

Horno de fusion de corriente continua con control de la deflexion del arco electrico.

Info

Publication number
ES2118859T3
ES2118859T3 ES93111269T ES93111269T ES2118859T3 ES 2118859 T3 ES2118859 T3 ES 2118859T3 ES 93111269 T ES93111269 T ES 93111269T ES 93111269 T ES93111269 T ES 93111269T ES 2118859 T3 ES2118859 T3 ES 2118859T3
Authority
ES
Spain
Prior art keywords
control
electric arc
defection
direct current
current fusion
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 - Lifetime
Application number
ES93111269T
Other languages
English (en)
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
Application granted granted Critical
Publication of ES2118859T3 publication Critical patent/ES2118859T3/es
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
    • H05B7/02—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)
  • Discharge Heating (AREA)
  • Furnace Details (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

UN HORNO ELECTRICO DE FUSION DE CORRIENTE CONTINUA CON CONTROL DE DEFORMACION DE ARCO ELECTRICO, QUE COMPRENDE UN ELECTRODO SUPERIOR (13), CON LINEAS DE FLUJO DE RETORNO RELATIVAS, Y UNA DIVERSIDAD DE ELECTRODOS DE BASE (11) SITUADOS EN EL CENTRO DEL HORNO ELECTRICO (12) Y DISPUESTOS EN DOS O MAS MONTAJES, TENIENDO CADA MONTAJE SU PROPIA LINEA DE SUMINISTRO CONTROLADO, CONECTADA A SU PROPIO TRANSFORMADOR (16), INCLUYENDO MAS ABAJO DE CADA TRANSFORMADOR (16) SU PROPIO MONTAJE RECTIFICADOR TIRISTOR (17), ASOCIADO CON SUS PROPIOS MEDIOS DE CONTROL DE VOLTAJE (26), CORRIENTE (24) Y ANGULO DE ENCENDIDO (23), ESTANDO LAS LINEAS DE SUMINISTRO A LOS CONDUCTORES (32) APANTALLADAS SEPARADAMENTE, AL MENOS EN LA PROXIMIDAD DEL HORNO ELECTRICO DE FUSION (12).
ES93111269T 1992-07-31 1993-07-14 Horno de fusion de corriente continua con control de la deflexion del arco electrico. Expired - Lifetime ES2118859T3 (es)

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 (1)

Publication Number Publication Date
ES2118859T3 true ES2118859T3 (es) 1998-10-01

Family

ID=27274208

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93111269T Expired - Lifetime ES2118859T3 (es) 1992-07-31 1993-07-14 Horno de fusion de corriente continua con control de la deflexion del arco electrico.

Country Status (6)

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

Families Citing this family (7)

* 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
BRPI0515356B1 (pt) 2004-09-01 2017-10-10 Hatch Ltd. "electric oven and method for operating an electric oven"
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
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

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
EP0474883B2 (en) * 1990-03-19 2003-01-02 Kawasaki Steel Corporation Dc electric furnace for melting metal
FR2659821B1 (fr) * 1990-03-19 1992-07-24 Clecim Sa Four electrique a courant continu.
ES2044352T3 (es) * 1990-09-03 1994-01-01 Asea Brown Boveri Horno de arco electrico de corriente continua.
DE4118756C2 (de) * 1991-06-06 1995-11-30 Mannesmann Ag Gleichstromlichtbogenofen

Also Published As

Publication number Publication date
EP0581112A1 (en) 1994-02-02
DE69320564T2 (de) 1999-04-29
DE69320564D1 (de) 1998-10-01
EP0581112B1 (en) 1998-08-26
US5383218A (en) 1995-01-17
ATE170357T1 (de) 1998-09-15
CN1082701A (zh) 1994-02-23

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