JPS6145681B2 - - Google Patents

Info

Publication number
JPS6145681B2
JPS6145681B2 JP57011486A JP1148682A JPS6145681B2 JP S6145681 B2 JPS6145681 B2 JP S6145681B2 JP 57011486 A JP57011486 A JP 57011486A JP 1148682 A JP1148682 A JP 1148682A JP S6145681 B2 JPS6145681 B2 JP S6145681B2
Authority
JP
Japan
Prior art keywords
hot metal
refining agent
lance
flow
metal flow
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
JP57011486A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58130208A (ja
Inventor
Kenzo Yamada
Katsuhiro Iwasaki
Genji Nakatani
Hiromi Nakamura
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to JP1148682A priority Critical patent/JPS58130208A/ja
Publication of JPS58130208A publication Critical patent/JPS58130208A/ja
Publication of JPS6145681B2 publication Critical patent/JPS6145681B2/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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP1148682A 1982-01-29 1982-01-29 溶銑予備処理法 Granted JPS58130208A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1148682A JPS58130208A (ja) 1982-01-29 1982-01-29 溶銑予備処理法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1148682A JPS58130208A (ja) 1982-01-29 1982-01-29 溶銑予備処理法

Publications (2)

Publication Number Publication Date
JPS58130208A JPS58130208A (ja) 1983-08-03
JPS6145681B2 true JPS6145681B2 (enrdf_load_stackoverflow) 1986-10-09

Family

ID=11779371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1148682A Granted JPS58130208A (ja) 1982-01-29 1982-01-29 溶銑予備処理法

Country Status (1)

Country Link
JP (1) JPS58130208A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0172913B1 (en) * 1984-02-04 1990-03-07 Nippon Kokan Kabushiki Kaisha Process and device for removing impurities contained in melted iron flowing from shaft furnace
JPS60162717A (ja) * 1984-02-04 1985-08-24 Nippon Kokan Kk <Nkk> 溶銑の処理方法
JPS61159508A (ja) * 1984-12-29 1986-07-19 Nippon Steel Corp 溶融金属の炉外成分調整方法
JPS61210109A (ja) * 1985-03-14 1986-09-18 Nippon Kokan Kk <Nkk> 出銑樋の途中において溶銑中の不純物を除去する方法
JPS61209933A (ja) * 1985-03-14 1986-09-18 日本鋼管株式会社 出銑樋の途中において溶銑中の不純物を除去する際に生成した溶融スラグの処理方法
JPS61155356U (enrdf_load_stackoverflow) * 1985-03-14 1986-09-26
JPS63171819A (ja) * 1987-01-09 1988-07-15 Sumitomo Metal Ind Ltd 溶銑処理剤最適吹込量の制御装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831810A (enrdf_load_stackoverflow) * 1971-08-30 1973-04-26
JPS51105914A (enrdf_load_stackoverflow) * 1975-03-14 1976-09-20 Sumitomo Metal Ind
JPS5837939Y2 (ja) * 1978-05-10 1983-08-27 新日本製鐵株式会社 溶銑の連続処理装置

Also Published As

Publication number Publication date
JPS58130208A (ja) 1983-08-03

Similar Documents

Publication Publication Date Title
JP6421634B2 (ja) 溶鋼の製造方法
JPH10152714A (ja) 溶銑の精錬方法
JPS6145681B2 (enrdf_load_stackoverflow)
JPS60162717A (ja) 溶銑の処理方法
US4615730A (en) Method for refining molten metal bath to control nitrogen
JPH0474410B2 (enrdf_load_stackoverflow)
JP2653301B2 (ja) 低ｐ転炉滓の再利用方法
EP0073274B1 (en) Method of preliminary desiliconization of molten iron by injecting gaseous oxygen
JPS63140021A (ja) 溶銑の予備処理方法
JP4419594B2 (ja) 溶銑の精錬方法
JPH08104911A (ja) 含燐鋼の溶製方法
JPS62227025A (ja) 溶銑の予備処理方法
JPH07316618A (ja) 溶融還元溶銑の予備精錬方法
JP2833736B2 (ja) 溶銑の予備処理方法
JPH0892618A (ja) 予備精錬方法
US2706152A (en) Method of sulphur removing from pig iron
JP7302749B2 (ja) 溶鉄の脱りん方法
JP5282539B2 (ja) 溶銑の脱燐方法
JPH1150122A (ja) 転炉型精錬容器における溶銑の脱燐精錬方法
JP2940358B2 (ja) 清浄鋼の溶製方法
JPS58174518A (ja) 低水素鋼を製造する方法
JP4806945B2 (ja) 低燐溶銑の製造方法
JP2024144220A (ja) 製鋼炉の操業方法
JPS63183113A (ja) 溶銑の予備処理方法
JPS6056007A (ja) 溶銑の同時脱りん・脱硫処理方法