IT8219763A0 - Procedimento per inibire l'eccessiva formazione di schiuma durante l'affinazione di ghisa di prima fusione,nonche' per ridurre il tenore di fosforo e mezzi e dispositivi per attuare detto procedimento - Google Patents

Procedimento per inibire l'eccessiva formazione di schiuma durante l'affinazione di ghisa di prima fusione,nonche' per ridurre il tenore di fosforo e mezzi e dispositivi per attuare detto procedimento

Info

Publication number
IT8219763A0
IT8219763A0 IT8219763A IT1976382A IT8219763A0 IT 8219763 A0 IT8219763 A0 IT 8219763A0 IT 8219763 A IT8219763 A IT 8219763A IT 1976382 A IT1976382 A IT 1976382A IT 8219763 A0 IT8219763 A0 IT 8219763A0
Authority
IT
Italy
Prior art keywords
procedure
refination
implementing
devices
reduce
Prior art date
Application number
IT8219763A
Other languages
English (en)
Other versions
IT1190690B (it
Inventor
Bleeck Ulrich
Freissmuth Alfred
Radke Dietrich
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 IT8219763A0 publication Critical patent/IT8219763A0/it
Application granted granted Critical
Publication of IT1190690B publication Critical patent/IT1190690B/it

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)
IT19763/82A 1981-03-18 1982-02-19 Procedimento per inibire l'eccessiva formazione di schiuma durante l'affinazione di ghisa di prima fusione,nonche' per ridurre il tenore di fosforo e mezzi e dipsositivi per attuare detto procedimento IT1190690B (it)

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 (2)

Publication Number Publication Date
IT8219763A0 true IT8219763A0 (it) 1982-02-19
IT1190690B IT1190690B (it) 1988-02-24

Family

ID=6127642

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19763/82A IT1190690B (it) 1981-03-18 1982-02-19 Procedimento per inibire l'eccessiva formazione di schiuma durante l'affinazione di ghisa di prima fusione,nonche' per ridurre il tenore di fosforo e mezzi e dipsositivi per attuare detto procedimento

Country Status (14)

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

Families Citing this family (11)

* 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
RU2224028C1 (ru) * 2002-09-26 2004-02-20 Московский государственный институт стали и сплавов (технологический университет) Способ рафинирования сплавов железа с более легко окисляющимися элементами
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
BR112012019234A2 (pt) 2010-02-26 2017-06-13 Tenova Goodfellow Inc método para produzir aço num vaso.
WO2018098817A1 (en) 2016-12-02 2018-06-07 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 (it) * 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
NL8201013A (nl) 1982-10-18
ZA821070B (en) 1983-01-26
GB2099021B (en) 1985-04-11
LU83916A1 (de) 1982-07-07
BR8201478A (pt) 1983-02-01
AT376699B (de) 1984-12-27
US4473397A (en) 1984-09-25
DE3110569A1 (de) 1982-12-30
GB2099021A (en) 1982-12-01
FR2502176A1 (fr) 1982-09-24
IT1190690B (it) 1988-02-24
ATA54082A (de) 1984-05-15
SE8201647L (sv) 1982-11-04
BE892543A (fr) 1982-07-16
ES510605A0 (es) 1983-04-16
ES8305834A1 (es) 1983-04-16
JPS57164909A (en) 1982-10-09

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