[go: up one dir, main page]

EP0827365A3 - Procédé de refroidissement d'une électrode en graphite pour la fusion et le raffinage de métal dans un four ou poche à arc - Google Patents

Procédé de refroidissement d'une électrode en graphite pour la fusion et le raffinage de métal dans un four ou poche à arc Download PDF

Info

Publication number
EP0827365A3
EP0827365A3 EP97101716A EP97101716A EP0827365A3 EP 0827365 A3 EP0827365 A3 EP 0827365A3 EP 97101716 A EP97101716 A EP 97101716A EP 97101716 A EP97101716 A EP 97101716A EP 0827365 A3 EP0827365 A3 EP 0827365A3
Authority
EP
European Patent Office
Prior art keywords
ladle
refining
electric arc
arc furnace
graphite electrodes
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.)
Withdrawn
Application number
EP97101716A
Other languages
German (de)
English (en)
Other versions
EP0827365A2 (fr
Inventor
Fumiyoshi Sakurai
Norio Nagai
Masao Koumoto
Hideo Ueda
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.)
Nippon Carbon Co Ltd
Original Assignee
Nippon Carbon Co 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
Priority claimed from JP8249262A external-priority patent/JPH1072615A/ja
Priority claimed from JP24926396A external-priority patent/JPH1072616A/ja
Application filed by Nippon Carbon Co Ltd filed Critical Nippon Carbon Co Ltd
Publication of EP0827365A2 publication Critical patent/EP0827365A2/fr
Publication of EP0827365A3 publication Critical patent/EP0827365A3/fr
Withdrawn legal-status Critical Current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
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • 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)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
EP97101716A 1996-08-30 1997-02-04 Procédé de refroidissement d'une électrode en graphite pour la fusion et le raffinage de métal dans un four ou poche à arc Withdrawn EP0827365A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP249263/96 1996-08-30
JP249262/96 1996-08-30
JP8249262A JPH1072615A (ja) 1996-08-30 1996-08-30 溶融金属の取鍋精錬方法ならびにその精錬装置
JP24926396A JPH1072616A (ja) 1996-08-30 1996-08-30 溶融金属の取鍋精錬方法ならびにその精錬装置

Publications (2)

Publication Number Publication Date
EP0827365A2 EP0827365A2 (fr) 1998-03-04
EP0827365A3 true EP0827365A3 (fr) 1998-08-19

Family

ID=26539191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101716A Withdrawn EP0827365A3 (fr) 1996-08-30 1997-02-04 Procédé de refroidissement d'une électrode en graphite pour la fusion et le raffinage de métal dans un four ou poche à arc

Country Status (2)

Country Link
EP (1) EP0827365A3 (fr)
TW (1) TW330212B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004220826A (ja) * 2003-01-10 2004-08-05 Tokai Carbon Co Ltd 製鋼用黒鉛電極
FI123373B (fi) 2008-06-06 2013-03-15 Outotec Oyj Tiivistyslaite
KR20130046452A (ko) * 2010-07-01 2013-05-07 그라프텍 인터내셔널 홀딩스 인코포레이티드 그래파이트 전극

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309583A1 (fr) * 1987-03-17 1989-04-05 Nippon Carbon Co., Ltd. Procede de fusion et de raffinage de metaux, et dispositif de refroidissement des electrodes utilisees a cet effet
JPH02126094A (ja) * 1988-11-04 1990-05-15 Daido Steel Co Ltd 直流アーク炉の炉底電極
JPH02263095A (ja) * 1989-04-04 1990-10-25 Nippon Steel Corp 直流アーク炉の炉壁電極
JPH05114479A (ja) * 1991-10-23 1993-05-07 Aichi Steel Works Ltd 製鋼用電気炉の電極冷却水噴出用リング

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451926A (en) 1982-08-03 1984-05-29 Great Lakes Carbon Corporation Composite electrode for arc furnace
JPS5923357U (ja) 1982-08-03 1984-02-14 新原　伸太郎 収納庫付き伸縮ベツト
US4416014A (en) 1982-08-03 1983-11-15 Great Lakes Carbon Corporation Composite electrode for arc furnace
US4417344A (en) 1982-08-03 1983-11-22 Great Lakes Carbon Corporation Composite electrode for arc furnace
US4490824A (en) 1983-07-15 1984-12-25 Great Lakes Carbon Corporation Composite electrode for arc furnace
US4513425A (en) 1983-07-15 1985-04-23 Great Lakes Carbon Corporation Composite electrode for arc furnace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309583A1 (fr) * 1987-03-17 1989-04-05 Nippon Carbon Co., Ltd. Procede de fusion et de raffinage de metaux, et dispositif de refroidissement des electrodes utilisees a cet effet
US4941149A (en) * 1987-03-17 1990-07-10 Nippon Carbon Co., Ltd. Method of melting and/or refining metals and cooling device for the graphite electrode used for the same
JPH02126094A (ja) * 1988-11-04 1990-05-15 Daido Steel Co Ltd 直流アーク炉の炉底電極
JPH02263095A (ja) * 1989-04-04 1990-10-25 Nippon Steel Corp 直流アーク炉の炉壁電極
JPH05114479A (ja) * 1991-10-23 1993-05-07 Aichi Steel Works Ltd 製鋼用電気炉の電極冷却水噴出用リング

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 357 (M - 1005) 2 August 1990 (1990-08-02) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 013 (M - 1069) 11 January 1991 (1991-01-11) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 473 (E - 1423) 27 August 1993 (1993-08-27) *

Also Published As

Publication number Publication date
EP0827365A2 (fr) 1998-03-04
TW330212B (en) 1998-04-21

Similar Documents

Publication Publication Date Title
MY127877A (en) A process of producing molten metals
AU7582387A (en) Method of melting and refining metals, and an apparatus for cooling electrodes used therefor
CA2186538A1 (fr) Procede de refroidissement des electrodes en graphite utilisees pour la fusion et l'affinage des metaux dans un four a arc electrique et un four-poche
EP0827365A3 (fr) Procédé de refroidissement d'une électrode en graphite pour la fusion et le raffinage de métal dans un four ou poche à arc
DE69806094D1 (de) Zwischengefäss mit mindestens einem Plasmabrenner für die Wiederaufheizung von geschmolzenen Metallen
FR2731712B1 (fr) Procede d'elaboration de l'acier dans un four electrique a arc, et four electrique a arc pour sa mise en oeuvre
FR2705768B1 (fr) Four métallurgique pour la fusion de matières métalliques et/ou l'élaboration de métal liquide, tel qu'un four électrique d'aciérie, et procédé d'élaboration utilisant un tel four.
CA2168685A1 (fr) Procede et dispositif de coulee de metal
WO1998051826B1 (fr) Dispositif et procede pour le traitement de metal liquide
JPS5732338A (en) Refining method for titanium-containing steel by electroslag remelting method
JPS642294A (en) Metal melting, refining method and electrode cooling device used therein
Benz et al. Direct processing of electroslag refined metal
Litvak The Technology of In-Depth Desulfurization of Metal in a Ladle-Furnace
Roth Metallurgical melting furnace such as an electric steelmaking furnace and a process using such a furnace
Ushioda The development of melting technique for aluminum
CA1265566A (fr) Combinaison de four electrique et bec de coulee a retenue de laitier
Goedert Method of Desulfurizing a Ferrous Melt
EP0160375A3 (fr) Procédé et installation pour la production d'acier dans un convertisseur à soufflage par le haut
Finkl et al. Ladle Steelmaking Method and Apparatus
Messina et al. Use of a Post-Combustion Lance at the Gary Q-BOP to Increase Scrap Melting and Improve Furnace Performance
Schlienger Melting Systems for Production of Titanium Ingots and Castings
Mihalic et al. The Effects of Metallurgical Factors on Titanium Loss During Vacuum Degassing of Microalloyed Deep-Drawing Steels
Steinhauser et al. Degassing Molten Metal
Marquardt et al. Results With the Introduction of the Low Slag Tapping at UHP Furnaces
Spenceley et al. Metal Refining Processes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19990206

AKX Designation fees paid
RBV Designated contracting states (corrected)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 20030404

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20040309