JPS6140012B2 - - Google Patents

Info

Publication number
JPS6140012B2
JPS6140012B2 JP1375881A JP1375881A JPS6140012B2 JP S6140012 B2 JPS6140012 B2 JP S6140012B2 JP 1375881 A JP1375881 A JP 1375881A JP 1375881 A JP1375881 A JP 1375881A JP S6140012 B2 JPS6140012 B2 JP S6140012B2
Authority
JP
Japan
Prior art keywords
lance
tuyere
tuyeres
slag
metal
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.)
Expired
Application number
JP1375881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57131314A (en
Inventor
Masataka Yoshii
Makoto Wake
Nozomi Matsumoto
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP1375881A priority Critical patent/JPS57131314A/ja
Publication of JPS57131314A publication Critical patent/JPS57131314A/ja
Publication of JPS6140012B2 publication Critical patent/JPS6140012B2/ja
Granted 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
    • C21C5/35—Blowing from above and through the bath

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
JP1375881A 1981-02-03 1981-02-03 Top and bottom blown converter Granted JPS57131314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1375881A JPS57131314A (en) 1981-02-03 1981-02-03 Top and bottom blown converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1375881A JPS57131314A (en) 1981-02-03 1981-02-03 Top and bottom blown converter

Publications (2)

Publication Number Publication Date
JPS57131314A JPS57131314A (en) 1982-08-14
JPS6140012B2 true JPS6140012B2 (cs) 1986-09-06

Family

ID=11842143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1375881A Granted JPS57131314A (en) 1981-02-03 1981-02-03 Top and bottom blown converter

Country Status (1)

Country Link
JP (1) JPS57131314A (cs)

Also Published As

Publication number Publication date
JPS57131314A (en) 1982-08-14

Similar Documents

Publication Publication Date Title
CA2011702A1 (en) Method for smelting reduction of ni ore
JPS6140012B2 (cs)
GB2085562A (en) Oxygen lance for iron refining
CA1205290A (en) Method of increasing the cold material charging capacity in the top-blowing production of steel
EP0061749B1 (en) A multi-step steelmaking refining method
EP0060305A1 (en) Method for smelting using top-and bottom-blown converter
JP3531467B2 (ja) 転炉における溶銑の脱燐精錬方法
JPS5743918A (en) Method for preventing spouting in bottom-blown converter jointly using top blow
KR910001485B1 (ko) 전로에서의 제강 공정
KR100225249B1 (ko) 슬로핑 발생 억제를 위한 잔류 슬래그량 조절방법
JPS6140013B2 (cs)
JPS6184311A (ja) ２次燃焼法による溶鉄加熱方法
RU1792980C (ru) Способ раскислени низкоуглеродистой стали
JPS5867815A (ja) 底吹き機能をもつ転炉の吹錬振動防止方法
JPS6159365B2 (cs)
JPS6210284B2 (cs)
SU711106A1 (ru) Способ производства стали в конвертере
JP2760155B2 (ja) 溶銑の製造方法
Wondris Trials With the Top--Bottom--Oxygen Blowing Steelmaking Processes at National Steel Corp
Schurmann et al. Metallurgical Interpretation of Measured Converter Gas CO' sub 2 Contents in the Basic Oxygen Steelmaking Process
Pehlke Pneumatic steelmaking
Nakanishi Recent Progress of OBM/Q-BOP Steelmaking at Kawasaki Steel Corporation
Arno et al. Realization of Slag Formation Control Through an Accelerometric Probe at the Steelmaking Plant No. 2 of Italsider Taranto Works
Tohge Process for the Decarburization of Molten Metal
JPH08311521A (ja) 鋼スクラップの溶解方法