JPS61143510A - 取鍋内溶鋼の精錬法 - Google Patents

取鍋内溶鋼の精錬法

Info

Publication number
JPS61143510A
JPS61143510A JP26349884A JP26349884A JPS61143510A JP S61143510 A JPS61143510 A JP S61143510A JP 26349884 A JP26349884 A JP 26349884A JP 26349884 A JP26349884 A JP 26349884A JP S61143510 A JPS61143510 A JP S61143510A
Authority
JP
Japan
Prior art keywords
molten steel
ladle
slag
refining
cao
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.)
Granted
Application number
JP26349884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0585609B2 (enExample
Inventor
Mutsuo Nakajima
中島　睦生
Masatomo Sasagawa
笹川　正智
Kosuke Yamashita
幸介 山下
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 JP26349884A priority Critical patent/JPS61143510A/ja
Publication of JPS61143510A publication Critical patent/JPS61143510A/ja
Publication of JPH0585609B2 publication Critical patent/JPH0585609B2/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
    • 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
    • C21C7/072—Treatment with gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
JP26349884A 1984-12-13 1984-12-13 取鍋内溶鋼の精錬法 Granted JPS61143510A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26349884A JPS61143510A (ja) 1984-12-13 1984-12-13 取鍋内溶鋼の精錬法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26349884A JPS61143510A (ja) 1984-12-13 1984-12-13 取鍋内溶鋼の精錬法

Publications (2)

Publication Number Publication Date
JPS61143510A true JPS61143510A (ja) 1986-07-01
JPH0585609B2 JPH0585609B2 (enExample) 1993-12-08

Family

ID=17390357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26349884A Granted JPS61143510A (ja) 1984-12-13 1984-12-13 取鍋内溶鋼の精錬法

Country Status (1)

Country Link
JP (1) JPS61143510A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63216917A (ja) * 1987-03-05 1988-09-09 Nippon Steel Corp 溶融金属容器内溶鋼の精錬法
JPH01100216A (ja) * 1987-10-12 1989-04-18 Nippon Steel Corp 溶鋼の取鍋精錬法
WO2007116939A1 (ja) * 2006-04-07 2007-10-18 Sumitomo Metal Industries, Ltd. 極低硫高清浄鋼の溶製方法
WO2008068916A1 (ja) * 2006-12-08 2008-06-12 Sumitomo Metal Industries, Ltd. 極低硫低窒素高清浄度鋼の溶製方法
WO2008068835A1 (ja) * 2006-12-05 2008-06-12 Sumitomo Metal Industries, Ltd. 極低硫高清浄鋼の溶製方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63216917A (ja) * 1987-03-05 1988-09-09 Nippon Steel Corp 溶融金属容器内溶鋼の精錬法
JPH01100216A (ja) * 1987-10-12 1989-04-18 Nippon Steel Corp 溶鋼の取鍋精錬法
WO2007116939A1 (ja) * 2006-04-07 2007-10-18 Sumitomo Metal Industries, Ltd. 極低硫高清浄鋼の溶製方法
JP2007277647A (ja) * 2006-04-07 2007-10-25 Sumitomo Metal Ind Ltd 極低硫高清浄鋼の溶製方法
KR100985308B1 (ko) 2006-04-07 2010-10-04 수미도모 메탈 인더스트리즈, 리미티드 극저황 고청정 강의 제조 방법
WO2008068835A1 (ja) * 2006-12-05 2008-06-12 Sumitomo Metal Industries, Ltd. 極低硫高清浄鋼の溶製方法
WO2008068916A1 (ja) * 2006-12-08 2008-06-12 Sumitomo Metal Industries, Ltd. 極低硫低窒素高清浄度鋼の溶製方法

Also Published As

Publication number Publication date
JPH0585609B2 (enExample) 1993-12-08

Similar Documents

Publication Publication Date Title
CN1061381C (zh) 精炼高纯度钢的方法
US4600434A (en) Process for desulfurization of ferrous metal melts
JPS61143510A (ja) 取鍋内溶鋼の精錬法
JPH09235611A (ja) 清浄性の高い極低硫純鉄の製造方法
JPH08225824A (ja) 溶鋼の脱硫方法
JP2653301B2 (ja) 低ｐ転炉滓の再利用方法
JP2912963B2 (ja) 脱硫前処理としてのスラグ改質方法
JP4765374B2 (ja) 含クロム溶銑の脱硫処理方法
JP2013237892A (ja) 脱硫処理後の溶銑の復硫防止方法
JP2002129221A (ja) 溶銑の精錬方法
JP4224197B2 (ja) 反応効率の高い溶銑脱燐方法
KR100749022B1 (ko) 용선의 탈황 처리 방법
JP3233304B2 (ja) Ｍｎ鉱石の溶融還元を伴った低Ｓｉ・低Ｓ・高Ｍｎ溶銑の製造
JP3370349B2 (ja) 高清浄度極低炭素鋼の溶製方法
JPS6187815A (ja) 溶鋼の脱硫剤及び脱硫方法
JP3371559B2 (ja) 溶鋼の加熱精錬方法
JP4759832B2 (ja) 溶銑の脱燐方法
JPH01100216A (ja) 溶鋼の取鍋精錬法
JP2897639B2 (ja) 極低硫鋼の精錬方法
JP3660040B2 (ja) Ｒｈ真空脱ガス装置を用いた溶鋼の脱硫方法
JP2005048268A (ja) 溶銑の脱珪脱硫方法
SU1167212A1 (ru) Рафинировочна смесь
JPH08260025A (ja) 極低硫極低酸素鋼の製造方法
JP3327062B2 (ja) 極低炭・極低硫鋼の溶製方法
JP2976849B2 (ja) 耐ｈｉｃ鋼の製造方法