DE69111720T3 - Mit gleichstrom betriebener ofen zum schmelzen von metall. - Google Patents

Mit gleichstrom betriebener ofen zum schmelzen von metall.

Info

Publication number
DE69111720T3
DE69111720T3 DE1991611720 DE69111720T DE69111720T3 DE 69111720 T3 DE69111720 T3 DE 69111720T3 DE 1991611720 DE1991611720 DE 1991611720 DE 69111720 T DE69111720 T DE 69111720T DE 69111720 T3 DE69111720 T3 DE 69111720T3
Authority
DE
Germany
Prior art keywords
oven
melting metal
melting
metal
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
DE1991611720
Other languages
English (en)
Other versions
DE69111720T2 (de
DE69111720D1 (de
Inventor
Nobuyoshi Takashiba
Koji Numata
Shunji Ohtsubo
Kiyoshi Takahashi
Yasuharu Miyazaki
Tadaaki Iwamura
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26408190&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69111720(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2066986A external-priority patent/JPH03267684A/ja
Priority claimed from JP2401745A external-priority patent/JP2650670B2/ja
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Application granted granted Critical
Publication of DE69111720D1 publication Critical patent/DE69111720D1/de
Publication of DE69111720T2 publication Critical patent/DE69111720T2/de
Publication of DE69111720T3 publication Critical patent/DE69111720T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • 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
    • H05B7/06—Electrodes
    • 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
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • 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
    • H05B7/148—Automatic control of power
    • 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
    • Y02P10/20—Recycling
    • 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)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
DE1991611720 1990-03-19 1991-03-19 Mit gleichstrom betriebener ofen zum schmelzen von metall. Expired - Fee Related DE69111720T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2066986A JPH03267684A (ja) 1990-03-19 1990-03-19 金属を溶解する直流電気炉
JP2401745A JP2650670B2 (ja) 1990-12-12 1990-12-12 空冷方式の炉底電極を有する直流電気炉
PCT/JP1991/000368 WO1991014911A1 (en) 1990-03-19 1991-03-19 Dc electric furnace for melting metal

Publications (3)

Publication Number Publication Date
DE69111720D1 DE69111720D1 (de) 1995-09-07
DE69111720T2 DE69111720T2 (de) 1996-04-18
DE69111720T3 true DE69111720T3 (de) 2003-05-15

Family

ID=26408190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991611720 Expired - Fee Related DE69111720T3 (de) 1990-03-19 1991-03-19 Mit gleichstrom betriebener ofen zum schmelzen von metall.

Country Status (6)

Country Link
US (1) US5410564A (de)
EP (1) EP0474883B2 (de)
KR (1) KR0128355B1 (de)
CA (1) CA2054774C (de)
DE (1) DE69111720T3 (de)
WO (1) WO1991014911A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118756C2 (de) * 1991-06-06 1995-11-30 Mannesmann Ag Gleichstromlichtbogenofen
DE4222854C2 (de) * 1992-07-11 1995-08-31 Gutehoffnungshuette Man Bodenelektrode für Gleichstrom-Lichtbogenöfen
EP0581112B1 (de) * 1992-07-31 1998-08-26 DANIELI & C. OFFICINE MECCANICHE S.p.A. Gleichstromlichtbogenofen mit Steuerung der Lichtbogenablenkung
DE4240891C2 (de) * 1992-12-04 1995-11-16 Voest Alpine Ind Anlagen Gleichstrom-Lichtbogenofen und Verfahren zu dessen Betreibung
FR2705363B1 (fr) * 1993-05-13 1995-08-11 Clecim Sa Procédé de fusion de ferraille dans un four électrique et installation pour la mise en Óoeuvre du procédé.
DE4338555C1 (de) * 1993-11-08 1995-04-13 Mannesmann Ag Gleichstrom-Lichtbogenofen
IT1267237B1 (it) * 1994-05-11 1997-01-28 Danieli Off Mecc Elettrodo di fondo raffreddato per un forno elettrico in corrente continua
RU2089803C1 (ru) * 1996-02-21 1997-09-10 Сергей Маркович Нехамин Автоматизированный электропечной агрегат
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
KR100384635B1 (ko) * 1998-12-23 2003-08-19 주식회사 포스코 전기로에서의고속용해방법
CA2578069C (en) 2004-09-01 2014-01-21 Hatch Ltd. System and method for minimizing loss of electrical conduction during input of feed material to a furnace
DE102006044837A1 (de) * 2006-09-22 2008-04-03 Siemens Ag Vorrichtung zur Steuerung einer Lichtbogenofenanlage
US8693519B2 (en) * 2008-11-17 2014-04-08 SMS Siemag, LLC Sensor system for bottom electrodes of an electric arc furnace
WO2016084028A1 (en) * 2014-11-27 2016-06-02 Danieli & C. Officine Meccaniche S.P.A. Direct current electric arc furnace for metallurgical plant
KR101755948B1 (ko) * 2015-12-21 2017-07-10 주식회사 포스코 Dc전기로
EP4058613A4 (de) * 2019-11-15 2023-04-26 Masercata Oy Gleichstrom-elektrolichtbogenofen
RU202425U1 (ru) * 2020-03-20 2021-02-17 Константин Сергеевич Ёлкин Электрическая печь для плавления электролита, содержащего фтористые соли, используемого в электролизерах для получения алюминия

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US941419A (en) * 1908-11-04 1909-11-30 Charles Albert Keller Electric furnace.
US3619464A (en) * 1970-02-03 1971-11-09 Boehler & Co Ag Geb Apparatus for electroslag remelting of metals and in particular steel
NO126288B (de) * 1971-10-22 1973-01-15 Elkem As
BE794174A (fr) * 1972-01-18 1973-05-16 British Steel Corp Fours a arc
GB1488877A (en) * 1974-03-12 1977-10-12 British Steel Corp Arc furnaces
JPS5565881A (en) * 1978-11-10 1980-05-17 Ishikawajima Harima Heavy Ind Automatic electric furnace phase switching device
SE415394B (sv) * 1978-12-29 1980-09-29 Asea Ab Bottenkontakt vid likstromsljusbagsugn
DE3106741C2 (de) * 1981-02-24 1983-06-16 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Kontaktelektroden-Anordnung für Lichtbogen- oder Widerstandsschmelzofen
SE452839B (sv) * 1983-08-12 1987-12-14 Asea Ab Likstroms-ljusbagsugn
SE454396B (sv) * 1984-04-16 1988-04-25 Asea Ab Sett att uppna symmetrisk vermefordelning i ett ugnsfat till en likstromsljusbagsugn samt likstromsljusbagsugn for utforande av settet
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
DE3535690A1 (de) * 1985-10-05 1987-04-09 Gutehoffnungshuette Man Kontaktelektrodenanordnung fuer gleichstrom-lichtbogen- oder widerstands-schmelzofen
DE3543278C1 (de) * 1985-12-05 1987-07-02 Mannesmann Ag Ofengefaess eines Gleichstrom-Lichtbogenofens mit Bodenelektroden sowie zugehoerige Bodenelektrode
DE3701678A1 (de) * 1987-01-22 1988-08-04 Gutehoffnungshuette Man Metallurgisches gefaess, insbesondere elektroofen mit einer oder mehreren bodenelektroden
JP2910052B2 (ja) * 1989-05-18 1999-06-23 大同特殊鋼株式会社 直流アーク炉
US5138630A (en) * 1989-11-06 1992-08-11 Nkk Corporation Direct current electric arc furnace

Also Published As

Publication number Publication date
WO1991014911A1 (en) 1991-10-03
CA2054774C (en) 1997-01-21
DE69111720T2 (de) 1996-04-18
EP0474883A4 (en) 1992-09-23
KR920701771A (ko) 1992-08-12
US5410564A (en) 1995-04-25
EP0474883B1 (de) 1995-08-02
KR0128355B1 (ko) 1998-04-16
EP0474883A1 (de) 1992-03-18
EP0474883B2 (de) 2003-01-02
DE69111720D1 (de) 1995-09-07
CA2054774A1 (en) 1991-09-20

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee