EP0437037A3 - Method and apparatus for closing the gap between an electrode and its furnace cover in an electric furnace - Google Patents

Method and apparatus for closing the gap between an electrode and its furnace cover in an electric furnace Download PDF

Info

Publication number
EP0437037A3
EP0437037A3 EP19900313013 EP90313013A EP0437037A3 EP 0437037 A3 EP0437037 A3 EP 0437037A3 EP 19900313013 EP19900313013 EP 19900313013 EP 90313013 A EP90313013 A EP 90313013A EP 0437037 A3 EP0437037 A3 EP 0437037A3
Authority
EP
European Patent Office
Prior art keywords
furnace
closing
electrode
gap
electric furnace
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
EP19900313013
Other versions
EP0437037A2 (en
EP0437037B1 (en
Inventor
Heinrich Comes
Josef Wolf
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.)
Foseco International Ltd
Original Assignee
Foseco International Ltd
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 Foseco International Ltd filed Critical Foseco International Ltd
Publication of EP0437037A2 publication Critical patent/EP0437037A2/en
Publication of EP0437037A3 publication Critical patent/EP0437037A3/en
Application granted granted Critical
Publication of EP0437037B1 publication Critical patent/EP0437037B1/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
    • H05B7/02—Details
    • H05B7/12—Arrangements for cooling, sealing or protecting electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Furnace Details (AREA)
EP90313013A 1989-12-11 1990-11-29 Method and apparatus for closing the gap between an electrode and its furnace cover in an electric furnace Expired - Lifetime EP0437037B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3940848 1989-12-11
DE3940848A DE3940848A1 (en) 1989-12-11 1989-12-11 METHOD AND DEVICE FOR CLOSING THE GAP BETWEEN ELECTRODE AND OVEN COVER OF AN ELECTRIC MELTING FURNACE

Publications (3)

Publication Number Publication Date
EP0437037A2 EP0437037A2 (en) 1991-07-17
EP0437037A3 true EP0437037A3 (en) 1991-08-07
EP0437037B1 EP0437037B1 (en) 1994-03-09

Family

ID=6395218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90313013A Expired - Lifetime EP0437037B1 (en) 1989-12-11 1990-11-29 Method and apparatus for closing the gap between an electrode and its furnace cover in an electric furnace

Country Status (2)

Country Link
EP (1) EP0437037B1 (en)
DE (2) DE3940848A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676799A1 (en) * 1991-05-22 1992-11-27 Siderurgie Fse Inst Rech PARTIAL SEALING DEVICE BETWEEN THE INTERIOR AND EXTERIOR OF AN ARC FURNACE.
DE19608532A1 (en) * 1996-02-09 1997-08-14 Eisenbau Essen Gmbh Cooling the electrodes in an arc furnace during steel production
IT1291117B1 (en) * 1997-03-25 1998-12-29 Acciai Speciali Terni Spa DEVICE FOR THE PROTECTION OF GRAPHITE ELECTRODES IN METALLURGIC ELECTRIC OVENS
FI123373B (en) * 2008-06-06 2013-03-15 Outotec Oyj sealing device
CN101839626A (en) * 2010-05-31 2010-09-22 莱芜钢铁集团有限公司 Small cover on center of arc furnace
DE102013222158A1 (en) * 2013-10-31 2015-05-13 Siemens Aktiengesellschaft Method of operating an electric arc furnace and electric arc furnace
DE102013222159A1 (en) * 2013-10-31 2015-04-30 Siemens Aktiengesellschaft Method of operating an electric arc furnace and electric arc furnace

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR466265A (en) * 1912-12-18 1914-05-08 Rombacher Huttenwerke Method and devices for protecting electrodes in electric arc furnaces
DE1167992B (en) * 1960-06-02 1964-04-16 Bbc Brown Boveri & Cie Electrode sealing for electric arc and reduction furnaces
US3697660A (en) * 1970-03-16 1972-10-10 Jury Fedorovich Frolov Device for sealing gap between electrode and lining of electric arc furnace
GB2114408A (en) * 1981-11-20 1983-08-17 Coated Electrodes Ltd Apparatus for sealing electrodes in electric arc furnaces
EP0309583A1 (en) * 1987-03-17 1989-04-05 Nippon Carbon Co., Ltd. Method of melting and refining metals, and an apparatus for cooling electrodes used therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR466265A (en) * 1912-12-18 1914-05-08 Rombacher Huttenwerke Method and devices for protecting electrodes in electric arc furnaces
DE1167992B (en) * 1960-06-02 1964-04-16 Bbc Brown Boveri & Cie Electrode sealing for electric arc and reduction furnaces
US3697660A (en) * 1970-03-16 1972-10-10 Jury Fedorovich Frolov Device for sealing gap between electrode and lining of electric arc furnace
GB2114408A (en) * 1981-11-20 1983-08-17 Coated Electrodes Ltd Apparatus for sealing electrodes in electric arc furnaces
EP0309583A1 (en) * 1987-03-17 1989-04-05 Nippon Carbon Co., Ltd. Method of melting and refining metals, and an apparatus for cooling electrodes used therefor

Also Published As

Publication number Publication date
EP0437037A2 (en) 1991-07-17
DE3940848A1 (en) 1991-06-13
DE69007272T2 (en) 1994-06-30
EP0437037B1 (en) 1994-03-09
DE69007272D1 (en) 1994-04-14

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