ZA912931B - Direct-current arc furnace - Google Patents

Direct-current arc furnace

Info

Publication number
ZA912931B
ZA912931B ZA912931A ZA912931A ZA912931B ZA 912931 B ZA912931 B ZA 912931B ZA 912931 A ZA912931 A ZA 912931A ZA 912931 A ZA912931 A ZA 912931A ZA 912931 B ZA912931 B ZA 912931B
Authority
ZA
South Africa
Prior art keywords
direct
arc furnace
current arc
electromagnet
bottom electrode
Prior art date
Application number
ZA912931A
Other languages
English (en)
Inventor
Sven-Einar Stenkvist
Stenkvist Sven-Einar
Original Assignee
Asea Brown Boveri
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 Brown Boveri filed Critical Asea Brown Boveri
Publication of ZA912931B publication Critical patent/ZA912931B/xx

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • 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
    • 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)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
  • Furnace Details (AREA)
ZA912931A 1990-05-09 1991-04-19 Direct-current arc furnace ZA912931B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1578/90A CH680086A5 (xx) 1990-05-09 1990-05-09

Publications (1)

Publication Number Publication Date
ZA912931B true ZA912931B (en) 1992-01-29

Family

ID=4213695

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA912931A ZA912931B (en) 1990-05-09 1991-04-19 Direct-current arc furnace

Country Status (13)

Country Link
US (1) US5134628A (xx)
EP (1) EP0456085B1 (xx)
JP (1) JPH04227466A (xx)
KR (1) KR910020409A (xx)
CN (1) CN1024045C (xx)
AT (1) ATE110161T1 (xx)
BR (1) BR9101875A (xx)
CA (1) CA2040494A1 (xx)
CH (1) CH680086A5 (xx)
DE (1) DE59102539D1 (xx)
ES (1) ES2062605T3 (xx)
RU (1) RU2013892C1 (xx)
ZA (1) ZA912931B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59002344D1 (de) * 1990-09-03 1993-09-16 Asea Brown Boveri Gleichstrom-lichtbogenofen.
CH682280A5 (xx) * 1991-06-14 1993-08-13 Asea Brown Boveri
CH682281A5 (xx) * 1991-06-20 1993-08-13 Asea Brown Boveri
IT1289001B1 (it) * 1996-10-14 1998-09-25 Danieli Off Mecc Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua
DE19852747A1 (de) * 1998-11-16 2000-05-18 Ald Vacuum Techn Ag Verfahren zum Einschmelzen und Umschmelzen von Materialien zum Herstellen von homogenen Metallegierungen
EP1375628A3 (en) * 2000-01-21 2004-12-08 Integrated Environmental Technologies, Llc. Methods and apparatus for treating waste
JP5977080B2 (ja) * 2012-05-23 2016-08-24 株式会社 東北テクノアーチ 金属材料の溶解装置および金属材料の溶解方法
US9643200B2 (en) 2014-12-19 2017-05-09 Richard A. Belanger Squeeze container liquid extrusion tool

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR446355A (fr) * 1912-07-23 1912-12-03 Elektrostahlanlagen Mit Beschr Four à résistance à courant alternatif
US2727936A (en) * 1954-11-23 1955-12-20 Westinghouse Electric Corp Titanium furnace
DE1053690B (de) * 1955-05-04 1959-03-26 Degussa Einrichtung zum Lokalisieren des Lichtbogens mit einer den Auftreffpunkt des Lichtbogens durch ihr magnetisches Feld beeinflussenden Magnetspule bei Lichtbogenoefen
FR1422830A (fr) * 1963-09-24 1966-01-03 Union Carbide Corp Appareil et procédé de fusion avec porte-électrode
GB1488877A (en) * 1974-03-12 1977-10-12 British Steel Corp Arc furnaces
SE396226B (sv) * 1974-09-20 1977-09-12 Asea Ab Sett och anordning for behandling av en metallsmelta
SE410654B (sv) * 1978-02-28 1979-10-22 Asea Ab Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt
SE423275B (sv) * 1979-06-26 1982-04-26 Asea Ab Bottenkontakt vid likstromsljusbagsugn
DE3106741C2 (de) * 1981-02-24 1983-06-16 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Kontaktelektroden-Anordnung für Lichtbogen- oder Widerstandsschmelzofen
US4495625A (en) * 1983-07-05 1985-01-22 Westinghouse Electric Corp. Magnetic field stabilized transferred arc furnace
CH664059A5 (de) * 1983-07-28 1988-01-29 Bbc Brown Boveri & Cie Elektrischer ofen, insbesondere gleichstromlichtbogenofen.
JPH01313891A (ja) * 1988-06-13 1989-12-19 Toshiba Corp 直流アーク炉設備

Also Published As

Publication number Publication date
EP0456085B1 (de) 1994-08-17
CN1056568A (zh) 1991-11-27
ATE110161T1 (de) 1994-09-15
CN1024045C (zh) 1994-03-16
US5134628A (en) 1992-07-28
RU2013892C1 (ru) 1994-05-30
CH680086A5 (xx) 1992-06-15
JPH04227466A (ja) 1992-08-17
KR910020409A (ko) 1991-12-20
BR9101875A (pt) 1991-12-17
EP0456085A1 (de) 1991-11-13
ES2062605T3 (es) 1994-12-16
DE59102539D1 (de) 1994-09-22
CA2040494A1 (en) 1991-11-10

Similar Documents

Publication Publication Date Title
GR880300077T1 (en) Galanthamine or analogues thereof for treating alzheimer's disease
DE69725962D1 (de) Gerät zum aktivieren des natürlichen herzens
DE3666910D1 (en) Electric arrangement for regulating the luminous intensity of at least one discharge lamp
ZA912931B (en) Direct-current arc furnace
TW240253B (xx)
HU900822D0 (en) Trichoderma-fungus and fungicid containing it
DE68904977D1 (de) Elektromagnetisches ventil.
DE59202916D1 (de) Gleichstrom-Lichtbogenofenanlage.
GR3015679T3 (en) Delivery fitting for hydromassage bath tub.
GR3007061T3 (xx)
ATE90473T1 (de) Entstoerdrosselanordnung zur bedaempfung von symmetrischen und von unsymmetrischen stoerstroemen.
SE9801895D0 (sv) Brännarkropp
DE59205735D1 (de) Magnetische Abschirmkabine mit zusätzlicher Schirmung
GR3002587T3 (en) Process for continuously desludging salt baths
DE3583747D1 (de) Verfahren zum herstellen von stahl im konverter.
ATE180621T1 (de) Anordnung mit einer uv-lampe
AU115179S (en) An ironing board top
Averin et al. Interaction of Carbon With Oxygen in Iron in Plasma Arc Refining in the Atmosphere Containing Hydrocarbons
Reznichenko Mechanisms of the Fluidised Bed Process of Heating and Reduction of Iron--Titanium Concentrates With Cases Containing Methane
HK5495A (en) New use of 1,4-dihydropyridine derivatives
ES8501609A1 (es) Dispositivo para la extraccion continua de pescado
RU97103791A (ru) Способ переработки сульфидных полиметаллических материалов
AU116173S (en) Sit down ironing board
CS481087A1 (en) Connection for stabilization of regulation for excitation of the synchronuous machine
NZ232507A (en) Multilayer sheet with interlaminar peeling strength of not more than 1.5kg/15mm