BR9914633A - Processo para enfornamento - Google Patents

Processo para enfornamento

Info

Publication number
BR9914633A
BR9914633A BR9914633-9A BR9914633A BR9914633A BR 9914633 A BR9914633 A BR 9914633A BR 9914633 A BR9914633 A BR 9914633A BR 9914633 A BR9914633 A BR 9914633A
Authority
BR
Brazil
Prior art keywords
hollow
feeding channel
granules
fines
feeding
Prior art date
Application number
BR9914633-9A
Other languages
English (en)
Inventor
Jean-Luc Roth
Serge Devillet
Emile Lonardi
Original Assignee
Wurth Paul Sa
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 Wurth Paul Sa filed Critical Wurth Paul Sa
Publication of BR9914633A publication Critical patent/BR9914633A/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
    • C21C5/527—Charging of the electric 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
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • H05B7/09—Self-baking electrodes, e.g. Söderberg type 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)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Manufacture Of Iron (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Discharge Heating (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

"PROCESSO PARA ENFORNAMENTO". Um processo para o enfornamento de finos ou de granulados dentro de um forno o arco (10) faz intervir uma unidade de eletrodo oco (24) munida de um canal de alimentação (38). Trata-se, preferivelmente, de um eletrodo S÷derberg oco. Um transportador (4) introduz os finos ou os granulados (12) dentro do canal de alimentação (38) de maneira a manter, neste, uma coluna de matéria (42) cuja extremidade inferior (44) entre em fusão dentro do banho metálico (16).
BR9914633-9A 1998-10-06 1999-09-30 Processo para enfornamento BR9914633A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU90293A LU90293B1 (fr) 1998-10-06 1998-10-06 Procédé pour l'enfournement de fines ou de granulés dans un four à arc
PCT/EP1999/007255 WO2000020815A1 (fr) 1998-10-06 1999-09-30 Procede pour l'enfournement de fines ou de granules dans un four a arc

Publications (1)

Publication Number Publication Date
BR9914633A true BR9914633A (pt) 2001-07-03

Family

ID=19731770

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9914633-9A BR9914633A (pt) 1998-10-06 1999-09-30 Processo para enfornamento

Country Status (10)

Country Link
US (1) US6452955B1 (pt)
EP (1) EP1119734B1 (pt)
AT (1) ATE217414T1 (pt)
AU (1) AU6331399A (pt)
BR (1) BR9914633A (pt)
DE (1) DE69901460T2 (pt)
LU (1) LU90293B1 (pt)
TW (1) TW462991B (pt)
WO (1) WO2000020815A1 (pt)
ZA (1) ZA200102280B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA06014556A (es) * 2004-06-12 2007-06-05 Iron Mount Corp Metodo y aparato para llevar a cabo un proceso metalurgico.
CN101261078B (zh) * 2008-01-03 2010-10-06 谢西平 大型直流中空电极密闭矿热炉
LU100535B1 (en) * 2017-12-07 2019-06-12 Wurth Paul Sa Charging system, in particular for a shaft smelt reduction furnace

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB811803A (en) * 1956-07-30 1959-04-15 British Oxygen Co Ltd Treatment of molten metals and alloys
US3215522A (en) * 1960-11-22 1965-11-02 Union Carbide Corp Silicon metal production
US3471626A (en) * 1968-03-21 1969-10-07 Union Carbide Corp Hollow electrode control device
CH568538A5 (pt) * 1972-07-20 1975-10-31 Donau Chemie Ag
SE371651C (sv) * 1973-03-30 1976-12-06 Asea Ab Sett och anordning for smeltreduktion
SE7503782L (sv) * 1975-04-02 1976-10-03 Asea Ab Sett och anordning for smeltreduktion av finkornigt jernoxidhaltigt material
US4146390A (en) * 1975-06-19 1979-03-27 Asea Aktiebolag Furnace and method for the melt reduction of iron oxide
US4147887A (en) * 1975-08-05 1979-04-03 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Electric smelting furnace
DE2536083A1 (de) 1975-08-13 1977-02-17 Ishikawajima Harima Heavy Ind Elektroschmelzofen
US4133968A (en) * 1977-05-26 1979-01-09 Frolov Jury F Apparatus for forming self-sintering electrodes
DE3120170A1 (de) * 1980-05-29 1982-03-11 ASEA AB, 72183 Västerås "vorrichtung zur schmelzreduktion und zur gaserzeugung"
CH653201A5 (en) 1981-03-18 1985-12-13 Bbc Brown Boveri & Cie Hollow electrode for feeding arc furnaces
SE452990B (sv) * 1985-06-28 1988-01-04 Asea Ab Sett for framstellning av stal i en ljusbagsugn forsedd med elektrod med genomgaende kanal
DE4211164C2 (de) * 1992-03-31 1995-02-16 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von riesel- oder fließfähigem Material
US5174810A (en) * 1992-02-19 1992-12-29 Dow Corning Corporation Ferrosilicon smelting in a direct current furnace
DE19612383C1 (de) * 1996-03-28 1997-07-17 Asea Brown Boveri Verfahren zum Betreiben eines Lichtbogenofens und Lichtbogenofen

Also Published As

Publication number Publication date
DE69901460T2 (de) 2002-11-07
TW462991B (en) 2001-11-11
LU90293B1 (fr) 2000-04-07
DE69901460D1 (de) 2002-06-13
US6452955B1 (en) 2002-09-17
WO2000020815A1 (fr) 2000-04-13
AU6331399A (en) 2000-04-26
ATE217414T1 (de) 2002-05-15
EP1119734A1 (fr) 2001-08-01
ZA200102280B (en) 2002-06-19
EP1119734B1 (fr) 2002-05-08

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/09/1999, OBSERVADAS AS CONDICOES LEGAIS.

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

Free format text: REFERENTE A 14A ANUIDADE.

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 2259 DE 22-04-2014 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.