BR8201478A - Processo para impedir a sobre-espumacao no refino de ferro bruto para dar aco bem como para diminuir o teor de fosforo,composicao e dispositivo para a execucao do processo - Google Patents

Processo para impedir a sobre-espumacao no refino de ferro bruto para dar aco bem como para diminuir o teor de fosforo,composicao e dispositivo para a execucao do processo

Info

Publication number
BR8201478A
BR8201478A BR8201478A BR8201478A BR8201478A BR 8201478 A BR8201478 A BR 8201478A BR 8201478 A BR8201478 A BR 8201478A BR 8201478 A BR8201478 A BR 8201478A BR 8201478 A BR8201478 A BR 8201478A
Authority
BR
Brazil
Prior art keywords
overfuming
execution
composition
prevent
reduce
Prior art date
Application number
BR8201478A
Other languages
English (en)
Inventor
Ulrich Bleeck
Alfred Freissmuth
Dietrich Radke
Original Assignee
Sueddeutsche Kalkstickstoff
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 Sueddeutsche Kalkstickstoff filed Critical Sueddeutsche Kalkstickstoff
Publication of BR8201478A publication Critical patent/BR8201478A/pt

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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
BR8201478A 1981-03-18 1982-03-17 Processo para impedir a sobre-espumacao no refino de ferro bruto para dar aco bem como para diminuir o teor de fosforo,composicao e dispositivo para a execucao do processo BR8201478A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3110569A DE3110569A1 (de) 1981-03-18 1981-03-18 Verfahren zur verhinderung des ueberschaeumens beim frischen von roheisen sowie zur erniedrigung des phosphorgehaltes, mittel und vorrichtung zur durchfuehrung des verfahrens

Publications (1)

Publication Number Publication Date
BR8201478A true BR8201478A (pt) 1983-02-01

Family

ID=6127642

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8201478A BR8201478A (pt) 1981-03-18 1982-03-17 Processo para impedir a sobre-espumacao no refino de ferro bruto para dar aco bem como para diminuir o teor de fosforo,composicao e dispositivo para a execucao do processo

Country Status (14)

Country Link
US (1) US4473397A (pt)
JP (1) JPS57164909A (pt)
AT (1) AT376699B (pt)
BE (1) BE892543A (pt)
BR (1) BR8201478A (pt)
DE (1) DE3110569A1 (pt)
ES (1) ES8305834A1 (pt)
FR (1) FR2502176A1 (pt)
GB (1) GB2099021B (pt)
IT (1) IT1190690B (pt)
LU (1) LU83916A1 (pt)
NL (1) NL8201013A (pt)
SE (1) SE8201647L (pt)
ZA (1) ZA821070B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62180713A (ja) * 1986-02-01 1987-08-08 Riken Kogyo Kk スラグ泡立防止方法
US5279639A (en) * 1990-04-06 1994-01-18 Tam Ceramics, Inc. Compositions for synthesizing ladle slags
US5584909A (en) * 1995-01-19 1996-12-17 Ltv Steel Company, Inc. Controlled foamy slag process
US5885323A (en) * 1997-04-25 1999-03-23 Ltv Steel Company, Inc. Foamy slag process using multi-circuit lance
US6793708B1 (en) 2001-10-16 2004-09-21 Jeremy A. T. Jones Slag composition
JP5139625B2 (ja) * 2004-08-09 2013-02-06 積水化学工業株式会社 ケーブル配線システム及びケーブル配線施工方法
US8097063B2 (en) * 2010-02-26 2012-01-17 Tenova Goodfellow Inc. System for furnace slopping prediction and lance optimization
CA2787265A1 (en) 2010-02-26 2011-09-01 Tenova Goodfellow Inc. System for furnace slopping prediction and lance optimization
EP3548640B1 (en) 2016-12-02 2022-09-21 Tenova S.p.A. Convertible metallurgical furnace and modular metallurgical plant comprising said furnace for conducting production processes for the production of metals in the molten state, in particualr steel or cast iron
CN109207672B (zh) 2018-12-03 2020-02-04 南阳汉冶特钢有限公司 一种超低磷钢生产过程中的排渣方法以及超低磷钢的生产方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE600203A (pt) * 1961-02-14
GB976158A (en) * 1961-09-13 1964-11-25 Centre Nat Rech Metall The control of steel manufacturing processes
DE1290557B (de) * 1964-03-23 1969-03-13 Krupp Gmbh Verfahren zur UEberwachung und Steuerung des Reaktionsablaufes bei Sauerstoffaufblaseverfahren
DE2326706A1 (de) * 1973-05-25 1974-12-19 Krupp Gmbh Verfahren zur ueberwachung und regelung des schaeumens der schlacke von stahlfrischprozessen in metallurgischen gefaessen
US3985550A (en) * 1975-01-23 1976-10-12 United States Steel Corporation Method of producing low sulfur steel
DE2507961C3 (de) * 1975-02-25 1978-07-20 Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg Verfahren zum Herstellen von Stahl aus Roheisen
JPS52110213A (en) * 1976-03-15 1977-09-16 Nippon Steel Corp Killing agent of converter during blowing
DE2741588C2 (de) * 1977-09-15 1985-02-07 Skw Trostberg Ag, 8223 Trostberg Mittel zum Entschwefeln von Eisenschmelzen
DE2758477C2 (de) * 1977-12-28 1982-07-29 Skw Trostberg Ag, 8223 Trostberg Verfahren zum Frischen von Roheisen unter Steigerung des Schrottanteils in einem Stahlkonverter
FR2432550A1 (fr) * 1978-08-04 1980-02-29 Sueddeutsche Kalkstickstoff Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable
US4210442A (en) * 1979-02-07 1980-07-01 Union Carbide Corporation Argon in the basic oxygen process to control slopping
US4242126A (en) * 1979-07-11 1980-12-30 Skw Trostberg Aktiengesellschaft Process for the treatment of iron melts and for increasing the scrap portion in the converter
US4260417A (en) * 1979-11-05 1981-04-07 Ford Motor Company Batch desulfurization in a coreless induction furnace
ES497686A0 (es) * 1979-12-29 1981-11-01 Hoechst Ag Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas

Also Published As

Publication number Publication date
SE8201647L (sv) 1982-11-04
JPS57164909A (en) 1982-10-09
ATA54082A (de) 1984-05-15
ES510605A0 (es) 1983-04-16
IT8219763A0 (it) 1982-02-19
NL8201013A (nl) 1982-10-18
BE892543A (fr) 1982-07-16
GB2099021B (en) 1985-04-11
AT376699B (de) 1984-12-27
ES8305834A1 (es) 1983-04-16
FR2502176A1 (fr) 1982-09-24
LU83916A1 (de) 1982-07-07
ZA821070B (en) 1983-01-26
GB2099021A (en) 1982-12-01
IT1190690B (it) 1988-02-24
US4473397A (en) 1984-09-25
DE3110569A1 (de) 1982-12-30

Similar Documents

Publication Publication Date Title
BR8503173A (pt) Processo para produzir extrudado silicioso
BR8504707A (pt) Processo para recuperar ouro de minerio sulfetado contendo ferro aurifero refratario
BR8102003A (pt) Processo para produzir ferro gusa liquido ou materia-prima para aco,assim como uma instalacao para a realizacao do processo
BR8104746A (pt) Composicao que compreendende um composto de elementos tracos,processo para prove-la e processo para fabrica -la
BR8201478A (pt) Processo para impedir a sobre-espumacao no refino de ferro bruto para dar aco bem como para diminuir o teor de fosforo,composicao e dispositivo para a execucao do processo
BR8203744A (pt) Processo para preparar uma composicao catalitica
BR7901454A (pt) Processo para produzir uma chapa de aco de silicio de granulacao orientada
BR8003887A (pt) Processo para reduzir minerios metalicos fragmentados em particulas de metal
BR8502190A (pt) Processo para reduzir o conteudo de carbonato de etileno do etileno-glicol produzido por hidrolise de carbonato de etileno
BR7907470A (pt) Aperfeicoamento em processo para refinacao de aco fundido
BR8007030A (pt) Processo de producao de composicao friavel
BR8008628A (pt) Processo para prodzir continuamente microperolas de mesocabono
BR8107880A (pt) Processo para produzir aco silicio orientado
BR8203893A (pt) Processo para produzir granulos contendo ureia e composicoes fertilizantes heterogeneas compativeis
BR8401627A (pt) Processo para preparar uma composicao amaciante de tecido,liquida,aquosa,concentrada
BR8301546A (pt) Processo para a producao de aco em silicio
IT8123584A0 (it) Processo per purificare esametilendiamine.
BR8502989A (pt) Processo para aumentar o crescimento de plantas
BR8102608A (pt) Processo para preparar mercapto-alcoois
BR8700821A (pt) Processo para melhorar a resistencia a corrosao de moldagem de aco inoxidavel em po,processo para preparar tais moldagens,composicao de moldagem bem como produto compreendendo o mesmo
BR8203890A (pt) Processo para fabricacao de granulos contendo ureia bem como composicoes fertilizantes heterogeneas compativeis
BR8500405A (pt) Combinacao de materiais para elementos de maquinas altamente solicitados,bem como processo para o tratamento do aco deliga pobre da combinacao de materiais
BR8201340A (pt) Processo para produzir aco ao silicio de granulacao orientada
BR8301571A (pt) Processo para a producao de aco em um conversor
BR8205676A (pt) Processo para a aplicacao de pecas de fazenda confeccionadas em uma outra peca de fazenda