IT1129418B - Forno elettrico ad arco a corrente continua - Google Patents

Forno elettrico ad arco a corrente continua

Info

Publication number
IT1129418B
IT1129418B IT67372/80A IT6737280A IT1129418B IT 1129418 B IT1129418 B IT 1129418B IT 67372/80 A IT67372/80 A IT 67372/80A IT 6737280 A IT6737280 A IT 6737280A IT 1129418 B IT1129418 B IT 1129418B
Authority
IT
Italy
Prior art keywords
direct current
electric arc
current electric
arc oven
oven
Prior art date
Application number
IT67372/80A
Other languages
English (en)
Other versions
IT8067372A0 (it
Inventor
Sven Einar Stenkvist
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
Priority claimed from SE7902178A external-priority patent/SE416229B/sv
Priority claimed from SE7908349A external-priority patent/SE418534B/sv
Application filed by Asea Ab filed Critical Asea Ab
Publication of IT8067372A0 publication Critical patent/IT8067372A0/it
Application granted granted Critical
Publication of IT1129418B publication Critical patent/IT1129418B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • 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
    • H05B7/18—Heating by arc discharge
    • H05B7/20—Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
IT67372/80A 1979-03-12 1980-03-10 Forno elettrico ad arco a corrente continua IT1129418B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7902178A SE416229B (sv) 1979-03-12 1979-03-12 Likstromsmatad ljusbagsugn
SE7908349A SE418534B (sv) 1979-10-09 1979-10-09 Likstromsmotad ljusbagsugn

Publications (2)

Publication Number Publication Date
IT8067372A0 IT8067372A0 (it) 1980-03-10
IT1129418B true IT1129418B (it) 1986-06-04

Family

ID=26657219

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67372/80A IT1129418B (it) 1979-03-12 1980-03-10 Forno elettrico ad arco a corrente continua

Country Status (4)

Country Link
US (1) US4356340A (it)
DE (1) DE3007879A1 (it)
GB (1) GB2046560B (it)
IT (1) IT1129418B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE437206B (sv) * 1981-02-26 1985-02-11 Asea Ab Likstroms-ljusbagsugn
SE452690B (sv) * 1983-07-07 1987-12-07 Asea Ab Likstroms-ljusbagsugn
FR2602351B1 (fr) * 1986-08-01 1988-09-09 Clecim Sa Procede de stabilisation des arcs electriques dans un four de fusion de ferraille et four perfectionne pour la mise en oeuvre du procede
DE3817381A1 (de) * 1988-05-18 1989-11-30 Mannesmann Ag Verschleissarme elektrode in gleichstromlichtbogenofen
DE4118756C2 (de) * 1991-06-06 1995-11-30 Mannesmann Ag Gleichstromlichtbogenofen
DE4240891C2 (de) * 1992-12-04 1995-11-16 Voest Alpine Ind Anlagen Gleichstrom-Lichtbogenofen und Verfahren zu dessen Betreibung
DE4338555C1 (de) * 1993-11-08 1995-04-13 Mannesmann Ag Gleichstrom-Lichtbogenofen
DE4446542A1 (de) * 1994-12-24 1996-06-27 Abb Management Ag Ofengefäß für einen Gleichstrom-Lichtbogenofen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149024A (en) * 1974-07-23 1979-04-10 Asea Aktiebolag Arc furnace for reducing metal oxides and method for operating such a furnace
SE390688B (sv) * 1974-07-23 1977-01-03 Asea Ab Anordning vid likstromsmatade ljusbagsugnar
SE396265B (sv) * 1975-01-14 1977-09-12 Asea Ab Anordning for likstromsmatade ljusbagsugnar
SE389254B (sv) * 1975-01-27 1976-10-25 Stenkvist S E Forfarande och anordning for utjemning av veggslitaget i en flerfas elektrisk ljusbagsugn
SE410654B (sv) * 1978-02-28 1979-10-22 Asea Ab Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt

Also Published As

Publication number Publication date
DE3007879A1 (de) 1980-09-25
US4356340A (en) 1982-10-26
IT8067372A0 (it) 1980-03-10
GB2046560A (en) 1980-11-12
GB2046560B (en) 1983-01-26

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