CA2075587C - Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace - Google Patents

Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace

Info

Publication number
CA2075587C
CA2075587C CA002075587A CA2075587A CA2075587C CA 2075587 C CA2075587 C CA 2075587C CA 002075587 A CA002075587 A CA 002075587A CA 2075587 A CA2075587 A CA 2075587A CA 2075587 C CA2075587 C CA 2075587C
Authority
CA
Canada
Prior art keywords
electrode
gas
gas purging
purging plug
plug
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
CA002075587A
Other languages
English (en)
French (fr)
Other versions
CA2075587A1 (en
Inventor
Giorgio Cappelli
Pericle Bosi
Helmut Vacek
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.)
RHI AG
Original Assignee
Radex Heraklith Industriebeteiligungs AG
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 Radex Heraklith Industriebeteiligungs AG filed Critical Radex Heraklith Industriebeteiligungs AG
Publication of CA2075587A1 publication Critical patent/CA2075587A1/en
Application granted granted Critical
Publication of CA2075587C publication Critical patent/CA2075587C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the 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
    • 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
    • C21C2005/5235—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace with bottom electrodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA002075587A 1991-08-08 1992-08-07 Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace Expired - Fee Related CA2075587C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4126237.9 1991-08-08
DE4126237A DE4126237A1 (de) 1991-08-08 1991-08-08 Vorgefertigtes einbauelement fuer elektro-lichtbogenoefen und zugehoeriger elektro-lichtbogenofen

Publications (2)

Publication Number Publication Date
CA2075587A1 CA2075587A1 (en) 1993-02-09
CA2075587C true CA2075587C (en) 1995-12-19

Family

ID=6437911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002075587A Expired - Fee Related CA2075587C (en) 1991-08-08 1992-08-07 Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace

Country Status (10)

Country Link
US (1) US5299785A (enExample)
EP (1) EP0527363B1 (enExample)
AT (1) ATE115355T1 (enExample)
CA (1) CA2075587C (enExample)
DE (1) DE4126237A1 (enExample)
FI (1) FI923557A7 (enExample)
IE (1) IE66905B1 (enExample)
NO (1) NO179597C (enExample)
TR (1) TR27877A (enExample)
ZA (1) ZA925860B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA20694A (de) * 1994-02-03 2000-12-15 Voest Alpine Ind Anlagen Bodenanode für ein metallurgisches gefäss
DE19619204C1 (de) * 1996-05-11 1997-05-22 Veitsch Radex Ag Gasspüleinrichtung
DE102004049234B4 (de) 2004-10-09 2011-06-09 Xstrata Technology Pty Ltd. Verfahren zur Gewinnung von reinem Kupfer
CN101762157B (zh) * 2008-10-27 2012-11-14 中国恩菲工程技术有限公司 冶金炉

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE449373B (sv) * 1977-07-01 1987-04-27 Dso Cherna Metalurgia Sett och anordning for raffinering av jernbaserade smeltor i elektrisk reaktionsugn
DE3106741C2 (de) * 1981-02-24 1983-06-16 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Kontaktelektroden-Anordnung für Lichtbogen- oder Widerstandsschmelzofen
FR2525755A1 (fr) * 1982-04-23 1983-10-28 Usinor Four electrique a arc muni de moyens de brassage du bain metallique
EP0124490B1 (en) * 1983-03-31 1987-10-21 ITALIMPIANTI Società Italiana Impianti p.a. Improved conductive bottom for direct current electric arc furnaces
DE3316366C2 (de) * 1983-05-05 1985-10-17 Mannesmann AG, 4000 Düsseldorf Ofengefäß für einen Gleichstrom-Lichtbogenofen
AT384034B (de) * 1986-02-03 1987-09-25 Voest Alpine Ag Spueleinrichtung fuer ein metallurgisches gefaess
DE3727938C1 (de) * 1987-08-21 1988-09-08 Didier Werke Ag Spuelstein
DE3734713A1 (de) * 1987-10-14 1989-04-27 Pa Ha Ge Huetten Und Giesserei Spuelstein fuer metallurgische gefaesse
DE3907383A1 (de) * 1988-12-22 1990-09-20 Cookson Plibrico Gmbh Einblasvorrichtung
US4930757A (en) * 1989-10-02 1990-06-05 Cominco Ltd. Tuyere for metallurgical vessels

Also Published As

Publication number Publication date
TR27877A (tr) 1995-10-11
DE4126237C2 (enExample) 1993-04-29
US5299785A (en) 1994-04-05
NO179597B (no) 1996-07-29
IE922573A1 (en) 1993-02-10
FI923557L (fi) 1993-02-09
NO923027D0 (no) 1992-07-31
NO179597C (no) 1996-11-06
IE66905B1 (en) 1996-02-07
NO923027L (no) 1993-02-09
FI923557A7 (fi) 1993-02-09
FI923557A0 (fi) 1992-08-07
EP0527363B1 (de) 1994-12-07
EP0527363A1 (de) 1993-02-17
ZA925860B (en) 1993-03-18
CA2075587A1 (en) 1993-02-09
ATE115355T1 (de) 1994-12-15
DE4126237A1 (de) 1993-03-04

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Legal Events

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