JPS52115716A - Killing agent for foaming of converter - Google Patents

Killing agent for foaming of converter

Info

Publication number
JPS52115716A
JPS52115716A JP3198676A JP3198676A JPS52115716A JP S52115716 A JPS52115716 A JP S52115716A JP 3198676 A JP3198676 A JP 3198676A JP 3198676 A JP3198676 A JP 3198676A JP S52115716 A JPS52115716 A JP S52115716A
Authority
JP
Japan
Prior art keywords
killing agent
foaming
converter
steel slag
steel
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP3198676A
Other languages
Japanese (ja)
Inventor
Toshikuni Kitaura
Kenichi Tsujimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP3198676A priority Critical patent/JPS52115716A/en
Publication of JPS52115716A publication Critical patent/JPS52115716A/en
Pending legal-status Critical Current

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
    • C21C5/32—Blowing from above

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)

Abstract

PURPOSE:The killing agent which reacts with the steel slag, breaks the bubbles by generating gas by combustion and, at the same time, exhibits the cooling effect without affecting the steel bath and the steel slag.
JP3198676A 1976-03-25 1976-03-25 Killing agent for foaming of converter Pending JPS52115716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3198676A JPS52115716A (en) 1976-03-25 1976-03-25 Killing agent for foaming of converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3198676A JPS52115716A (en) 1976-03-25 1976-03-25 Killing agent for foaming of converter

Publications (1)

Publication Number Publication Date
JPS52115716A true JPS52115716A (en) 1977-09-28

Family

ID=12346236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3198676A Pending JPS52115716A (en) 1976-03-25 1976-03-25 Killing agent for foaming of converter

Country Status (1)

Country Link
JP (1) JPS52115716A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007302951A (en) * 2006-05-11 2007-11-22 Kurosaki Harima Corp Converter slag-foaming depressant using waste refractory
JP2009270178A (en) * 2008-05-09 2009-11-19 Nippon Steel Corp Depressing material for slag foaming and depression method therefor
WO2009145228A1 (en) * 2008-05-27 2009-12-03 新日本製鐵株式会社 Slag foaming killing material, and slag foaming killing method
KR101080433B1 (en) * 2009-07-14 2011-11-07 주식회사 포인 Wastes recycling suppressor for converter slag
JP2015224387A (en) * 2014-05-30 2015-12-14 新日鐵住金株式会社 Defoaming agent and defoaming method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007302951A (en) * 2006-05-11 2007-11-22 Kurosaki Harima Corp Converter slag-foaming depressant using waste refractory
JP4669437B2 (en) * 2006-05-11 2011-04-13 黒崎播磨株式会社 Converter slag forming sedative material using refractory waste
JP2009270178A (en) * 2008-05-09 2009-11-19 Nippon Steel Corp Depressing material for slag foaming and depression method therefor
JP4580434B2 (en) * 2008-05-09 2010-11-10 新日本製鐵株式会社 Slag forming sedative material and method
WO2009145228A1 (en) * 2008-05-27 2009-12-03 新日本製鐵株式会社 Slag foaming killing material, and slag foaming killing method
KR101080433B1 (en) * 2009-07-14 2011-11-07 주식회사 포인 Wastes recycling suppressor for converter slag
JP2015224387A (en) * 2014-05-30 2015-12-14 新日鐵住金株式会社 Defoaming agent and defoaming method

Similar Documents

Publication Publication Date Title
JPS52115716A (en) Killing agent for foaming of converter
JPS5310315A (en) Preparation of wiry addition agent for steel
JPS5218418A (en) Stainless cast steel for low temperature use
JPS5224913A (en) Ferritic stainless steel with excellent workability
JPS5241111A (en) Refining type low alloy high tension steel having excellent toughness of welded part with large heat input
JPS5270906A (en) Prevention of slopping of converter
JPS532322A (en) Dephosphorizing agent for molten pig iron
JPS5275686A (en) Treatment of surplus ozone
JPS5221208A (en) Pre-treating method of molten pig iron
JPS5215411A (en) Shooting machine of additives to molten steel
JPS52100321A (en) High tension steel containing b and n for welding of large heat input
JPS51140814A (en) Decarburization of molten steel at reduced pressur
JPS51114381A (en) Oxidation method and aparatus
JPS5215412A (en) Shooting machine of additives to molten steel
JPS5219110A (en) Steel of low welding crack sensibility
JPS53110250A (en) Method of conditioning organic sludge
JPS534715A (en) Desulfurizing agent of molten pig iron
JPS5214142A (en) Cooling apparatus
JPS5250917A (en) Desulfurization method of molten iron out of furnae
JPS536217A (en) Desulfurizing agent for molten metal
JPS52110213A (en) Killing agent of converter during blowing
JPS535309A (en) Exhaust system for internal-combustion engine
JPS5376906A (en) Adding method for treating agent to molten metal
JPS5416800A (en) Method of electrospark machining
JPS5241110A (en) Treating process of molten pig iron