CA1120522A - Direct current smelting furnace - Google Patents

Direct current smelting furnace

Info

Publication number
CA1120522A
CA1120522A CA000312100A CA312100A CA1120522A CA 1120522 A CA1120522 A CA 1120522A CA 000312100 A CA000312100 A CA 000312100A CA 312100 A CA312100 A CA 312100A CA 1120522 A CA1120522 A CA 1120522A
Authority
CA
Canada
Prior art keywords
electrodes
pair
furnace
polarity
electrode
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
Application number
CA000312100A
Other languages
English (en)
French (fr)
Inventor
Eivind C. K. Svendsen
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.)
Elkem ASA
Original Assignee
Elkem Spigerverket AS
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 Elkem Spigerverket AS filed Critical Elkem Spigerverket AS
Application granted granted Critical
Publication of CA1120522A publication Critical patent/CA1120522A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
    • 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
    • F27D11/02—Ohmic resistance heating
    • F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Sorption Type Refrigeration Machines (AREA)
CA000312100A 1977-09-26 1978-09-26 Direct current smelting furnace Expired CA1120522A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO773,285 1977-09-26
NO773285A NO139796C (no) 1977-09-26 1977-09-26 Likestroemsovn.

Publications (1)

Publication Number Publication Date
CA1120522A true CA1120522A (en) 1982-03-23

Family

ID=19883734

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000312100A Expired CA1120522A (en) 1977-09-26 1978-09-26 Direct current smelting furnace

Country Status (12)

Country Link
JP (1) JPS582574B2 (no)
BR (1) BR7806278A (no)
CA (1) CA1120522A (no)
DE (1) DE2841458A1 (no)
ES (1) ES473538A1 (no)
FR (1) FR2404186A1 (no)
IN (1) IN150223B (no)
MX (1) MX144969A (no)
NO (1) NO139796C (no)
SE (1) SE434432B (no)
YU (1) YU209478A (no)
ZA (1) ZA784897B (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209909B (en) * 1987-09-16 1991-11-06 Doryokuro Kakunenryo Apparatus for thermal decomposition treatment of radioactive waste

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE147582C (no) *
FR400655A (fr) * 1908-06-15 1909-08-04 Charles Albert Keller Système de réglage des circuits alimentant des fours électriques à électrodes multiples
FR941145A (fr) * 1944-06-24 1949-01-03 Four électrique à résistance liquide pour la fusion et l'affinage des métaux, pour la fabrication d'alliages, la réduction de minerais et pour d'autres emplois analogues
US2958719A (en) * 1958-09-18 1960-11-01 Nat Res Corp Production of metal
DE1161042B (de) * 1961-09-06 1964-01-09 Duisburger Kupferhuette Runder Drehstrom-Elektroofen mit einem Vierelektrodensystem, insbesondere Reduktionsofen fuer die elektrothermische Zinkgewinnung
AT285839B (de) * 1969-02-03 1970-11-10 Boehler & Co Ag Geb Anlage zum Elektroschlackenumschmelzen von Metallen, insbesondere von Stählen
BG17932A1 (no) * 1972-08-29 1974-03-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209909B (en) * 1987-09-16 1991-11-06 Doryokuro Kakunenryo Apparatus for thermal decomposition treatment of radioactive waste

Also Published As

Publication number Publication date
ZA784897B (en) 1980-04-30
MX144969A (es) 1981-12-08
FR2404186A1 (fr) 1979-04-20
DE2841458A1 (de) 1979-04-05
JPS582574B2 (ja) 1983-01-17
YU209478A (en) 1982-06-30
NO139796C (no) 1979-05-09
IN150223B (no) 1982-08-21
SE7809783L (sv) 1979-03-27
FR2404186B1 (no) 1983-11-25
NO773285L (no) 1979-01-29
SE434432B (sv) 1984-07-23
NO139796B (no) 1979-01-29
BR7806278A (pt) 1979-05-08
JPS5454906A (en) 1979-05-01
ES473538A1 (es) 1979-04-01

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Legal Events

Date Code Title Description
MKEX Expiry