BR8700401A - Fornalha de arco cc para fabrico de aco - Google Patents

Fornalha de arco cc para fabrico de aco

Info

Publication number
BR8700401A
BR8700401A BR8700401A BR8700401A BR8700401A BR 8700401 A BR8700401 A BR 8700401A BR 8700401 A BR8700401 A BR 8700401A BR 8700401 A BR8700401 A BR 8700401A BR 8700401 A BR8700401 A BR 8700401A
Authority
BR
Brazil
Prior art keywords
arc furnace
steel manufacture
manufacture
steel
furnace
Prior art date
Application number
BR8700401A
Other languages
English (en)
Inventor
Alexander Yordanov Vulchev
Rumen Borisov Radev
German Ivanov Germanov
Original Assignee
Npp Elektrotermia
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 Npp Elektrotermia filed Critical Npp Elektrotermia
Publication of BR8700401A publication Critical patent/BR8700401A/pt

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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
BR8700401A 1986-01-30 1987-01-29 Fornalha de arco cc para fabrico de aco BR8700401A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8700401A true BR8700401A (pt) 1987-12-15

Family

ID=3916668

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8700401A BR8700401A (pt) 1986-01-30 1987-01-29 Fornalha de arco cc para fabrico de aco

Country Status (5)

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

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 (pt) * 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
JPS62266384A (ja) 1987-11-19
EP0231880A2 (en) 1987-08-12
US4783790A (en) 1988-11-08
BG45040A1 (pt) 1989-03-15
EP0231880A3 (en) 1989-04-26

Similar Documents

Publication Publication Date Title
JPS563878A (en) Ceiling for arc furnace
IT8621093A0 (it) Interruttore privo di arco.
IT8620668A0 (it) Elttrodo per arco.
DK165085C (da) Lysbuerelae
DE3683530D1 (de) Lichtbogenzuendverfahren.
GB2133125B (en) Tiltable arc furnace
FR2574782B1 (fr) Brique refractaire
BR8602887A (pt) Composicao refrataria
BR8602904A (pt) Composicao refrataria
BR8101914A (pt) Lampada de ceramica de queima universal
ES509918A0 (es) "perfeccionamientos en la fabricacion de electrodos para hornos de arco electrico".
BR8302022A (pt) Composicao refrataria;composicao refrataria de jateamento;mistura refrataria de jateamento
BR8507159A (pt) Eletrodo para formacao de arco eletrico
DE3670532D1 (de) Lichtbogenofen.
DK163402C (da) Jaevnstroems-lysbueovn
BR8700401A (pt) Fornalha de arco cc para fabrico de aco
AT381583B (de) Kippbares metallurgisches gefaess
BR8800182A (pt) Composicao refrataria
BR8606120A (pt) Composicao fluidificante para escoria basica para fornos de producao de aco
ES509123A0 (es) "disposicion de electrodos para hornos de arco electrico".
KR880022203U (ko) 가스버너용 방풍틀
ATE48059T1 (de) Lichtbogenofen.
ES511724A0 (es) "perfeccionamientos en la fabricacion de electrodos para hornos de arco electrico".
BR6900301U (pt) Arco para aproveitamento de serras quebradas
JPS5653380A (en) Scrap preheater utilizing exhaust gas from arc furnace