SE434432B - Elektrotermisk reduktionsugn som drivs med likstrom - Google Patents

Elektrotermisk reduktionsugn som drivs med likstrom

Info

Publication number
SE434432B
SE434432B SE7809783A SE7809783A SE434432B SE 434432 B SE434432 B SE 434432B SE 7809783 A SE7809783 A SE 7809783A SE 7809783 A SE7809783 A SE 7809783A SE 434432 B SE434432 B SE 434432B
Authority
SE
Sweden
Prior art keywords
electrodes
current
furnace
series
top electrodes
Prior art date
Application number
SE7809783A
Other languages
English (en)
Swedish (sv)
Other versions
SE7809783L (sv
Inventor
E C K Svendsen
Original Assignee
Elkem 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 As filed Critical Elkem As
Publication of SE7809783L publication Critical patent/SE7809783L/xx
Publication of SE434432B publication Critical patent/SE434432B/sv

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)
SE7809783A 1977-09-26 1978-09-18 Elektrotermisk reduktionsugn som drivs med likstrom SE434432B (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE7809783L SE7809783L (sv) 1979-03-27
SE434432B true SE434432B (sv) 1984-07-23

Family

ID=19883734

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7809783A SE434432B (sv) 1977-09-26 1978-09-18 Elektrotermisk reduktionsugn som drivs med likstrom

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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648315B2 (ja) * 1987-09-16 1994-06-22 動力炉・核燃料開発事業団 放射性廃棄物の加熱分解処理装置

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

Also Published As

Publication number Publication date
YU209478A (en) 1982-06-30
JPS582574B2 (ja) 1983-01-17
CA1120522A (en) 1982-03-23
SE7809783L (sv) 1979-03-27
NO139796C (no) 1979-05-09
NO773285L (no) 1979-01-29
ZA784897B (en) 1980-04-30
JPS5454906A (en) 1979-05-01
IN150223B (no) 1982-08-21
ES473538A1 (es) 1979-04-01
FR2404186A1 (fr) 1979-04-20
MX144969A (es) 1981-12-08
DE2841458A1 (de) 1979-04-05
FR2404186B1 (no) 1983-11-25
NO139796B (no) 1979-01-29
BR7806278A (pt) 1979-05-08

Similar Documents

Publication Publication Date Title
US9783900B2 (en) Apparatus for use in electrorefining and electrowinning
CN109672172B (zh) 电弧炉供电装置的供电方法
CN103840685B (zh) 三相可控极性的直流电弧炉电源装置
CN103296919A (zh) 用于电解槽的三相两脉波大功率脉流电源及供电方法
TWI517548B (zh) 五電平整流器
BR102015008901A2 (pt) Método para comutar derivações , permutador de derivação de carga e método para operar um permutador
SE434432B (sv) Elektrotermisk reduktionsugn som drivs med likstrom
CN111952987A (zh) 一种直流电弧炉整流电源装置及控制方法
CN209488193U (zh) 一种逆变器
CN214750546U (zh) 用于桥臂拓扑变流器的直流对地绝缘阻抗检测电路
US3684943A (en) Converter valve-pair arrangement
CN210469139U (zh) 一种两极可控极性的直流电弧炉电源装置
CN209844550U (zh) 一种可消除正负电极消耗不均匀的直流矿热炉结构
CN112379171A (zh) 用于桥臂拓扑变流器的直流对地绝缘阻抗检测电路及方法
CN210074770U (zh) 可消除正负电极消耗不均匀的直流矿热炉供电系统
CN213179477U (zh) 一种四电极直流冶炼装置
US11009293B2 (en) Direct current smelting electric furnace
CN108221001A (zh) 一种用于两相直流电熔镁炉的极心距与炉壳外形设计方法
US1130734A (en) Electric furnace.
RU2324281C1 (ru) Источник питания постоянного тока для дуговой печи (его варианты)
CN206948180U (zh) 直流电源模块及电源柜
CN216282678U (zh) 一种双相串联的可控极性的熔渣电弧炉装置
SU813628A1 (ru) Преобразователь переменногоНАпР жЕНи B пОСТО ННОЕ
JPH09145254A (ja) 電気炉
SU691995A1 (ru) Электропередача посто нного тока

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7809783-9

Effective date: 19891002

Format of ref document f/p: F