SE8201647L - Sett att forhindra overskumning vid ferskning av rajern - Google Patents

Sett att forhindra overskumning vid ferskning av rajern

Info

Publication number
SE8201647L
SE8201647L SE8201647A SE8201647A SE8201647L SE 8201647 L SE8201647 L SE 8201647L SE 8201647 A SE8201647 A SE 8201647A SE 8201647 A SE8201647 A SE 8201647A SE 8201647 L SE8201647 L SE 8201647L
Authority
SE
Sweden
Prior art keywords
slag
way
oxygen
provides
calcium carbide
Prior art date
Application number
SE8201647A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
U Bleeck
A Freissmuth
D 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 SE8201647L publication Critical patent/SE8201647L/

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/36Processes yielding slags of special composition
    • C21C2005/366Foam 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)
SE8201647A 1981-03-18 1982-03-16 Sett att forhindra overskumning vid ferskning av rajern SE8201647L (sv)

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
SE8201647L true SE8201647L (sv) 1982-11-04

Family

ID=6127642

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8201647A SE8201647L (sv) 1981-03-18 1982-03-16 Sett att forhindra overskumning vid ferskning av rajern

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) ES510605A0 (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
WO2011106023A1 (en) 2010-02-26 2011-09-01 Nupro Corporation System for furnace slopping prediction and lance optimization
US8097063B2 (en) * 2010-02-26 2012-01-17 Tenova Goodfellow Inc. System for furnace slopping prediction and lance optimization
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 (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
GB2099021A (en) 1982-12-01
BR8201478A (pt) 1983-02-01
FR2502176A1 (fr) 1982-09-24
NL8201013A (nl) 1982-10-18
ES8305834A1 (es) 1983-04-16
LU83916A1 (de) 1982-07-07
AT376699B (de) 1984-12-27
DE3110569A1 (de) 1982-12-30
IT8219763A0 (it) 1982-02-19
ES510605A0 (es) 1983-04-16
JPS57164909A (en) 1982-10-09
ZA821070B (en) 1983-01-26
US4473397A (en) 1984-09-25
GB2099021B (en) 1985-04-11
IT1190690B (it) 1988-02-24
ATA54082A (de) 1984-05-15
BE892543A (fr) 1982-07-16

Similar Documents

Publication Publication Date Title
ZA853556B (en) Fine granular desulfurizing agent for iron melts and process for desulfurizing pig-iron melts
SE8201647L (sv) Sett att forhindra overskumning vid ferskning av rajern
SE8105969L (sv) Forfarande for fosfor-, svavel- och kveverening av kromhaltigt rajern
JPS5233897A (en) Method for treatment of iron slag
ES442650A1 (es) Procedimiento para la desulfuracion de masas fundidas de hierro en calderos torpedo.
JPS5726116A (en) Desulfurization agent and desulfurizing of molten iron
SE7902804L (sv) For anvendning vid raffinering av en jernsmelta avsett medel innehallande kalciumoxid
SE8105011L (sv) Sett vid avsvavling vid gasframstellning i en jernbadreaktor
JPS538310A (en) Reusing method of steel making slag
ES435017A1 (es) Metodo para desulfurar hierro fundido.
JPS5576012A (en) Control method for contained manganese of molten ion for steel making
JPS5343019A (en) Refining method for steel with reduced slag formation
JPS54121216A (en) Desulfurization of molten iron
ES315241A1 (es) Un procedimiento basico para la produccion de acero.
JPS52114503A (en) Slag for remelting electroslag
KR850700042A (ko) 강철의 개재물형상 조절방법
JPS57123322A (en) Construction of underground continuous wall using slag-containing mud water
JPS5269803A (en) Utilization of desulfurization slag
JPS5743923A (en) Method for preventing rephosphorization
JPS53130294A (en) Slag treating method to make slag harmless
JPS5258011A (en) Dephosphorizing agent for iron refining
JPS51122670A (en) A method of treating steel-making slag
JPS5794091A (en) Treatment of slag formed in coal gasification
GB1251996A (pt)
GB1486286A (en) Removing noxious gases from water

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8201647-8