BR9507250A - Eletrodo de fundo de um recipiente metalúrgico aquecido por corrente continua - Google Patents

Eletrodo de fundo de um recipiente metalúrgico aquecido por corrente continua

Info

Publication number
BR9507250A
BR9507250A BR9507250A BR9507250A BR9507250A BR 9507250 A BR9507250 A BR 9507250A BR 9507250 A BR9507250 A BR 9507250A BR 9507250 A BR9507250 A BR 9507250A BR 9507250 A BR9507250 A BR 9507250A
Authority
BR
Brazil
Prior art keywords
vessel
pct
bottom electrode
electrode
direct current
Prior art date
Application number
BR9507250A
Other languages
English (en)
Inventor
Heinz Stark
Heribert Koenig
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Publication of BR9507250A publication Critical patent/BR9507250A/pt

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
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/06—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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters
    • 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
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • 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
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc 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
    • 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)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
BR9507250A 1994-03-30 1995-03-29 Eletrodo de fundo de um recipiente metalúrgico aquecido por corrente continua BR9507250A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4411591A DE4411591C2 (de) 1994-03-30 1994-03-30 Bodenelektrode eines mit Gleichstrom beheizten Ofens
PCT/DE1995/000452 WO1995027084A1 (de) 1994-03-30 1995-03-29 Bodenelektrode eines mit gleichstrom beheizten metallurgischen gefässes

Publications (1)

Publication Number Publication Date
BR9507250A true BR9507250A (pt) 1997-09-02

Family

ID=6514581

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9507250A BR9507250A (pt) 1994-03-30 1995-03-29 Eletrodo de fundo de um recipiente metalúrgico aquecido por corrente continua

Country Status (12)

Country Link
US (1) US5809055A (pt)
EP (1) EP0753077B1 (pt)
JP (1) JP3332927B2 (pt)
KR (1) KR100353763B1 (pt)
CN (1) CN1041438C (pt)
AT (1) ATE176003T1 (pt)
AU (1) AU702259B2 (pt)
BR (1) BR9507250A (pt)
DE (2) DE4411591C2 (pt)
RU (1) RU2107236C1 (pt)
WO (1) WO1995027084A1 (pt)
ZA (1) ZA952642B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10047393A1 (de) * 2000-07-11 2002-01-24 Wolfgang Lutz Verfahren und Vorrichtung zur automatischen Erfassung und Verarbeitung von Betriebskosten
DE10049959B4 (de) * 2000-10-10 2005-10-06 Georgsmarienhütte Gmbh Elektroofen für die Stahlherstellung
SE0203844L (sv) * 2002-12-23 2003-10-14 Sandvik Ab Förfarande och anordning för överföring av elektrisk ström till en ugn
CN106091671A (zh) * 2016-07-12 2016-11-09 上海彭浦特种耐火材料厂有限公司 直流电弧炉底电极结构及其应用
CN107218800B (zh) * 2017-06-20 2019-07-19 青岛大学 一种直流电弧炉
CN110167226A (zh) * 2019-05-10 2019-08-23 江苏天楹环保能源成套设备有限公司 一种双电极直流电弧炉引弧装置及其方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1299110A (en) * 1918-04-04 1919-04-01 Booth Hall Company Electric furnace.
US1806210A (en) * 1928-06-07 1931-05-19 Miguet Paul Louis Joseph Electric furnace
SE435548B (sv) * 1980-03-10 1984-10-01 Asea Ab Anordning vid skenkar eller skenkugnar for likstrom med minst en ljusbagselektrod
DE3413745C2 (de) * 1983-04-21 1994-03-03 Asea Ab Gleichstromlichtbogenofen
SE450857B (sv) * 1985-02-21 1987-08-03 Asea Ab Forfarande for uppbyggnad av ljusbagslikstromsugnar eller -skenkar
DE3534750A1 (de) * 1985-09-28 1987-04-16 Krupp Gmbh Boden eines elektrisch beheizten schmelzofens, insbesondere eines gleichstromofens
DE4022720A1 (de) * 1990-07-17 1992-01-23 Flohe Gmbh & Co Untergefaess eines gleichstromlichtbogenofens
US5255284A (en) * 1991-11-04 1993-10-19 Deutsch Voest-Alpine Industrieanlagenbau Gmbh Anode for an electic arc furnace utilizing electrode segments
DE4222854C2 (de) * 1992-07-11 1995-08-31 Gutehoffnungshuette Man Bodenelektrode für Gleichstrom-Lichtbogenöfen

Also Published As

Publication number Publication date
JPH09511324A (ja) 1997-11-11
KR100353763B1 (ko) 2002-12-18
JP3332927B2 (ja) 2002-10-07
EP0753077A1 (de) 1997-01-15
AU2253395A (en) 1995-10-23
WO1995027084A1 (de) 1995-10-12
US5809055A (en) 1998-09-15
DE4411591C2 (de) 1996-06-05
DE4411591A1 (de) 1995-10-05
CN1147277A (zh) 1997-04-09
ATE176003T1 (de) 1999-02-15
EP0753077B1 (de) 1999-01-20
CN1041438C (zh) 1998-12-30
RU2107236C1 (ru) 1998-03-20
DE59504911D1 (de) 1999-03-04
AU702259B2 (en) 1999-02-18
ZA952642B (en) 1996-01-02

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Legal Events

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B24C Patent annual fee: request for for restoration

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B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

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B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 11A, 12A, 13A, 14A, 15A E 16A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.