IT7969493A0 - Connessione elettrica al crogiolo per forni elettrici ad arco a corrente continua - Google Patents

Connessione elettrica al crogiolo per forni elettrici ad arco a corrente continua

Info

Publication number
IT7969493A0
IT7969493A0 IT7969493A IT6949379A IT7969493A0 IT 7969493 A0 IT7969493 A0 IT 7969493A0 IT 7969493 A IT7969493 A IT 7969493A IT 6949379 A IT6949379 A IT 6949379A IT 7969493 A0 IT7969493 A0 IT 7969493A0
Authority
IT
Italy
Prior art keywords
crucible
direct current
electrical connection
electric arc
current electric
Prior art date
Application number
IT7969493A
Other languages
English (en)
Other versions
IT1119642B (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
Application filed by Asea Ab filed Critical Asea Ab
Publication of IT7969493A0 publication Critical patent/IT7969493A0/it
Application granted granted Critical
Publication of IT1119642B publication Critical patent/IT1119642B/it

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
IT69493/79A 1978-12-29 1979-12-28 Connessione elettrica al crogiolo per forni elettrici ad arco a corrente continua IT1119642B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7813408A SE415394B (sv) 1978-12-29 1978-12-29 Bottenkontakt vid likstromsljusbagsugn

Publications (2)

Publication Number Publication Date
IT7969493A0 true IT7969493A0 (it) 1979-12-28
IT1119642B IT1119642B (it) 1986-03-10

Family

ID=20336717

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69493/79A IT1119642B (it) 1978-12-29 1979-12-28 Connessione elettrica al crogiolo per forni elettrici ad arco a corrente continua

Country Status (5)

Country Link
US (1) US4277638A (it)
JP (1) JPS5592881A (it)
GB (1) GB2042309B (it)
IT (1) IT1119642B (it)
SE (1) SE415394B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE431792B (sv) * 1981-06-09 1984-02-27 Asea Ab Sett att driva en likstroms-ljusbagsugn
DE3466919D1 (en) * 1983-03-31 1987-11-26 Italimpianti Improved conductive bottom for direct current electric arc furnaces
IT1177539B (it) * 1984-02-02 1987-08-26 Italimpianti Perfezionamento nei forni elettronici ad arco di corrente continua
DE3413745C2 (de) * 1983-04-21 1994-03-03 Asea Ab Gleichstromlichtbogenofen
JPS604787A (ja) * 1983-06-22 1985-01-11 石川島播磨重工業株式会社 直流ア−ク炉の炉底電極
US4601041A (en) * 1984-05-04 1986-07-15 Mannesmann Aktiengesellschaft Electrode mounting in DC arc furnace vessels
SE450857B (sv) * 1985-02-21 1987-08-03 Asea Ab Forfarande for uppbyggnad av ljusbagslikstromsugnar eller -skenkar
DE3535692A1 (de) * 1985-10-05 1987-04-09 Gutehoffnungshuette Man Kontaktelektroden-anordnung fuer gleichstrom-lichtbogen- oder widerstands-schmelzoefen
DE3535690A1 (de) * 1985-10-05 1987-04-09 Gutehoffnungshuette Man Kontaktelektrodenanordnung fuer gleichstrom-lichtbogen- oder widerstands-schmelzofen
NO158618C (no) * 1985-10-09 1988-10-12 Elkem As Sammensatt keramisk materiale og metallurgisk smelteovn omfattende en foring bestaaende av det sammensatte keramiskemateriale.
US5173920A (en) * 1989-08-21 1992-12-22 Asea Brown Boveri Ltd. Direct-current electric-arc furnace
US5052018A (en) * 1989-10-12 1991-09-24 Deutsche Voest-Alpine Industrieanlagen Gmbh Anode for a direct current arc furnace
CA2054774C (en) * 1990-03-19 1997-01-21 Nobuyoshi Takashiba Direct current electric furnace for melting metal
DE4022720A1 (de) * 1990-07-17 1992-01-23 Flohe Gmbh & Co Untergefaess eines gleichstromlichtbogenofens
KR100245481B1 (ko) * 1991-03-05 2000-03-02 간지 도미타 직류 아크로의 로바닥의 구조
US5199043A (en) * 1991-08-09 1993-03-30 Deutsche Voest-Alpine Industrieanlagenbau Gmbh Lining for a direct-current electric arc furnace
DE4129756C2 (de) * 1991-09-04 1995-06-29 Mannesmann Ag Metallurgisches Gefäß für eine Gleichstromlichtbogeneinrichtung
US5255284A (en) * 1991-11-04 1993-10-19 Deutsch Voest-Alpine Industrieanlagenbau Gmbh Anode for an electic arc furnace utilizing electrode segments
US5280495A (en) * 1992-02-14 1994-01-18 Ajax Magnethermic Corporation Furnace refractory extraction system and method
AT401303B (de) * 1993-09-06 1996-08-26 Voest Alpine Ind Anlagen Verfahren zum herstellen einer bodenanode für ein metallurgisches gefäss
GB9704153D0 (en) * 1997-02-28 1997-04-16 Abru Aluminium Ltd A combined stepladder and stool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304350A (en) * 1919-05-20 Electric furnace
US1763248A (en) * 1928-06-19 1930-06-10 Pittsburgh Res Corp Electric furnace method
US1965080A (en) * 1932-07-19 1934-07-03 Frank R Kemmer Apparatus for heat exchange
BE484042A (it) * 1947-09-08
JPS5440957B2 (it) * 1972-04-12 1979-12-06

Also Published As

Publication number Publication date
GB2042309B (en) 1983-01-12
GB2042309A (en) 1980-09-17
SE415394B (sv) 1980-09-29
US4277638A (en) 1981-07-07
JPS6349152B2 (it) 1988-10-03
IT1119642B (it) 1986-03-10
JPS5592881A (en) 1980-07-14
SE7813408L (sv) 1980-06-30

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