BG45040A1 - - Google Patents

Info

Publication number
BG45040A1
BG45040A1 BG8673325A BG7332586A BG45040A1 BG 45040 A1 BG45040 A1 BG 45040A1 BG 8673325 A BG8673325 A BG 8673325A BG 7332586 A BG7332586 A BG 7332586A BG 45040 A1 BG45040 A1 BG 45040A1
Authority
BG
Bulgaria
Application number
BG8673325A
Inventor
Lchev Aleksand R Jj V
Rumen B Radev
German I Germanov
Original Assignee
Lchev Aleksand R Jj V
Rumen B Radev
German I Germanov
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 Lchev Aleksand R Jj V, Rumen B Radev, German I Germanov filed Critical Lchev Aleksand R Jj V
Priority to BG8673325A priority Critical patent/BG45040A1/xx
Priority to EP87101200A priority patent/EP0231880A3/en
Priority to JP62019577A priority patent/JPS62266384A/ja
Priority to BR8700401A priority patent/BR8700401A/pt
Priority to US07/008,794 priority patent/US4783790A/en
Publication of BG45040A1 publication Critical patent/BG45040A1/xx

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
    • F27D11/10—Disposition of electrodes
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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 Details (AREA)
BG8673325A 1986-01-30 1986-01-30 BG45040A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BG8673325A BG45040A1 (ja) 1986-01-30 1986-01-30
EP87101200A EP0231880A3 (en) 1986-01-30 1987-01-29 Direct-current arc furnace for steelmaking
JP62019577A JPS62266384A (ja) 1986-01-30 1987-01-29 製鋼用電弧炉
BR8700401A BR8700401A (pt) 1986-01-30 1987-01-29 Fornalha de arco cc para fabrico de aco
US07/008,794 US4783790A (en) 1986-01-30 1987-01-30 Direct-current arc furnace for steelmaking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG8673325A BG45040A1 (ja) 1986-01-30 1986-01-30

Publications (1)

Publication Number Publication Date
BG45040A1 true BG45040A1 (ja) 1989-03-15

Family

ID=3916668

Family Applications (1)

Application Number Title Priority Date Filing Date
BG8673325A BG45040A1 (ja) 1986-01-30 1986-01-30

Country Status (5)

Country Link
US (1) US4783790A (ja)
EP (1) EP0231880A3 (ja)
JP (1) JPS62266384A (ja)
BG (1) BG45040A1 (ja)
BR (1) BR8700401A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659821B1 (fr) * 1990-03-19 1992-07-24 Clecim Sa Four electrique a courant continu.
US5168818A (en) * 1991-03-07 1992-12-08 Joffrion Eric J Liquid cooled boiler door

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE376634C (sv) * 1972-05-02 1985-10-28 Nipkti Cherna Metalurgia Sett att framstella stal medelst likstrom och ugn for genomforande av settet
BG17932A1 (ja) * 1972-08-29 1974-03-05
SE401686B (sv) * 1974-05-21 1978-05-22 Asea Ab Likstromsljusbagsugn enligt patentet 7317535-8
SE382828B (sv) * 1974-06-24 1976-02-16 Asea Ab Sett att framstella stal i likstromsljusbagsugn samt likstromsljusbagsugn for genomforande av settet
US4149024A (en) * 1974-07-23 1979-04-10 Asea Aktiebolag Arc furnace for reducing metal oxides and method for operating such a furnace
GB1504443A (en) * 1975-04-25 1978-03-22 Dso Cherna Metalurgia Method of steelmaking with direct current

Also Published As

Publication number Publication date
EP0231880A2 (en) 1987-08-12
JPS62266384A (ja) 1987-11-19
EP0231880A3 (en) 1989-04-26
US4783790A (en) 1988-11-08
BR8700401A (pt) 1987-12-15

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