DE3418447C2 - Gleichstromlichtbogenofen - Google Patents

Gleichstromlichtbogenofen

Info

Publication number
DE3418447C2
DE3418447C2 DE3418447A DE3418447A DE3418447C2 DE 3418447 C2 DE3418447 C2 DE 3418447C2 DE 3418447 A DE3418447 A DE 3418447A DE 3418447 A DE3418447 A DE 3418447A DE 3418447 C2 DE3418447 C2 DE 3418447C2
Authority
DE
Germany
Prior art keywords
arc furnace
intermediate layers
erosion
melt
metallic
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
DE3418447A
Other languages
German (de)
English (en)
Other versions
DE3418447A1 (de
Inventor
Sven-Einar Dipl Ing Stenkvist
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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 ASEA AB filed Critical ASEA AB
Publication of DE3418447A1 publication Critical patent/DE3418447A1/de
Application granted granted Critical
Publication of DE3418447C2 publication Critical patent/DE3418447C2/de
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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
DE3418447A 1983-06-01 1984-05-18 Gleichstromlichtbogenofen Expired - Fee Related DE3418447C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8303087A SE436819B (sv) 1983-06-01 1983-06-01 Likstroms-ljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottenkontakt

Publications (2)

Publication Number Publication Date
DE3418447A1 DE3418447A1 (de) 1985-02-21
DE3418447C2 true DE3418447C2 (de) 1994-02-17

Family

ID=20351411

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3418447A Expired - Fee Related DE3418447C2 (de) 1983-06-01 1984-05-18 Gleichstromlichtbogenofen

Country Status (7)

Country Link
US (1) US4532633A ( )
JP (1) JPS59231386A ( )
CH (1) CH665519A5 ( )
DE (1) DE3418447C2 ( )
GB (1) GB2142810B ( )
SE (1) SE436819B ( )
ZA (1) ZA844106B ( )

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3534750A1 (de) * 1985-09-28 1987-04-16 Krupp Gmbh Boden eines elektrisch beheizten schmelzofens, insbesondere eines gleichstromofens
SE456853B (sv) * 1985-12-02 1988-11-07 Asea Ab Elektriskt ledande tegel samt anvaendning daerav
DE4129756C2 (de) * 1991-09-04 1995-06-29 Mannesmann Ag Metallurgisches Gefäß für eine Gleichstromlichtbogeneinrichtung
DE19543374A1 (de) * 1995-11-21 1997-05-22 Gutehoffnungshuette Man Bodenelektrode für einen Gleichstrom-Lichtbogenofen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT53729B (de) * 1911-01-31 1912-05-25 Harry Pauling Ofen zur elektrischen Gasbehandlung.
US1917849A (en) * 1930-07-26 1933-07-11 Ajax Electrothermic Corp Refractory lining
NL300797A ( ) * 1962-12-04 1964-03-10
DE1233538B (de) * 1965-05-28 1967-02-02 Deutsche Edelstahlwerke Ag Ofengefaess fuer Dreiphasen-Lichtbogenoefen
SE423275B (sv) * 1979-06-26 1982-04-26 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
SE445584B (sv) * 1981-05-25 1986-06-30 Asea Ab Infodring till ljusbagsugn

Also Published As

Publication number Publication date
JPH0441275B2 ( ) 1992-07-07
GB2142810A (en) 1985-01-23
GB8413819D0 (en) 1984-07-04
GB2142810B (en) 1986-10-08
ZA844106B (en) 1984-12-24
JPS59231386A (ja) 1984-12-26
SE8303087D0 (sv) 1983-06-01
SE436819B (sv) 1985-01-21
CH665519A5 (de) 1988-05-13
SE8303087L (sv) 1984-12-02
DE3418447A1 (de) 1985-02-21
US4532633A (en) 1985-07-30

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: F27B 3/10

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee