ZA925860B - Gas puring plug for electric-arc furnaces and the corresponding electric-arc furnace. - Google Patents

Gas puring plug for electric-arc furnaces and the corresponding electric-arc furnace.

Info

Publication number
ZA925860B
ZA925860B ZA925860A ZA925860A ZA925860B ZA 925860 B ZA925860 B ZA 925860B ZA 925860 A ZA925860 A ZA 925860A ZA 925860 A ZA925860 A ZA 925860A ZA 925860 B ZA925860 B ZA 925860B
Authority
ZA
South Africa
Prior art keywords
electric
arc
plug
gas
puring
Prior art date
Application number
ZA925860A
Other languages
English (en)
Inventor
Giorgio Cappelli
Pericle Bosi
Helmut Vacek
Original Assignee
Radex Heraklith
Leonetagliaferri & B C S P A
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, Leonetagliaferri & B C S P A filed Critical Radex Heraklith
Publication of ZA925860B publication Critical patent/ZA925860B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5229Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5211Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217Manufacture 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00Heating by electric discharge
    • H05B7/02Details
    • H05B7/06Electrodes
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5229Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • C21C2005/5235Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace with bottom electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Emergency Protection Circuit Devices (AREA)
ZA925860A 1991-08-08 1992-08-05 Gas puring plug for electric-arc furnaces and the corresponding electric-arc furnace. ZA925860B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA925860B true ZA925860B (en) 1993-03-18

Family

ID=6437911

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA925860A ZA925860B (en) 1991-08-08 1992-08-05 Gas puring plug for electric-arc furnaces and the corresponding electric-arc furnace.

Country Status (10)

Country Link
US (1) US5299785A (xx)
EP (1) EP0527363B1 (xx)
AT (1) ATE115355T1 (xx)
CA (1) CA2075587C (xx)
DE (1) DE4126237A1 (xx)
FI (1) FI923557A (xx)
IE (1) IE66905B1 (xx)
NO (1) NO179597C (xx)
TR (1) TR27877A (xx)
ZA (1) ZA925860B (xx)

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
DE3466919D1 (en) * 1983-03-31 1987-11-26 Italimpianti 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
EP0527363A1 (de) 1993-02-17
US5299785A (en) 1994-04-05
FI923557A (fi) 1993-02-09
DE4126237C2 (xx) 1993-04-29
DE4126237A1 (de) 1993-03-04
ATE115355T1 (de) 1994-12-15
FI923557A0 (fi) 1992-08-07
NO179597C (no) 1996-11-06
CA2075587C (en) 1995-12-19
NO923027D0 (no) 1992-07-31
CA2075587A1 (en) 1993-02-09
IE922573A1 (en) 1993-02-10
IE66905B1 (en) 1996-02-07
NO179597B (no) 1996-07-29
TR27877A (tr) 1995-10-11
EP0527363B1 (de) 1994-12-07
NO923027L (no) 1993-02-09

Similar Documents

Publication Publication Date Title
SG93269A1 (en) Plasma arc torch
EP0452599A3 (en) Arc furnace with consumable electrode
EP0671595A4 (en) ELECTRIC ARC FUSION OVEN.
PL331775A1 (en) Smelting unit with an arc furnace
EP0507396A3 (en) Circuit arrangement
AU1377295A (en) Electrode seals for arc furnaces
ZA925860B (en) Gas puring plug for electric-arc furnaces and the corresponding electric-arc furnace.
GR3024354T3 (en) Electric arc plasma torch.
KR100236482B1 (en) Electric arc scrap furnace
GB9707015D0 (en) Additives for electric arc furnace
EP0636838A3 (de) Kremationsofen mit elektrischer Beheizung.
GB9324042D0 (en) Electrode for an arc furnace
AU4536596A (en) Direct arc furnace for smelting metals with burner in the electrode opening
GB9708142D0 (en) Economiser for electric arc furnace
ZA929690B (en) An electric arc furnace arrangement for producing steel.
GB9225197D0 (en) Electrode for an arc furnace
PL326466A1 (en) Direct current arc furnace
PL324951A1 (en) Direct current arc furnace
GB9220230D0 (en) Electric arc furnace bottom stir tuyere assembly
ZA942958B (en) Power converter device for direct current power supply to an electric arc furnace.
CA74918S (en) Electrode for plasma arc torch
ZA962860B (en) Secondary circuit with variable impedance for elecric arc furnaces
ZA9510019B (en) Controlling an arc furnace
AU2637697A (en) Arc furnace with an electrode receiving chamber
ZA98481B (en) Method of reducing the occurance of stray arcing in a direct current electric arc furnace