TWI223006B - Method for producing molten iron having low silicon content - Google Patents

Method for producing molten iron having low silicon content Download PDF

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Publication number
TWI223006B
TWI223006B TW092101454A TW92101454A TWI223006B TW I223006 B TWI223006 B TW I223006B TW 092101454 A TW092101454 A TW 092101454A TW 92101454 A TW92101454 A TW 92101454A TW I223006 B TWI223006 B TW I223006B
Authority
TW
Taiwan
Prior art keywords
molten iron
blast furnace
slag
weight
low
Prior art date
Application number
TW092101454A
Other languages
English (en)
Chinese (zh)
Other versions
TW200302284A (en
Inventor
Shinji Matsubara
Yasukazu Hayasaka
Original Assignee
Jfe 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 Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of TW200302284A publication Critical patent/TW200302284A/zh
Application granted granted Critical
Publication of TWI223006B publication Critical patent/TWI223006B/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
    • C21B5/023—Injection of the additives into the melting part

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
TW092101454A 2002-01-24 2003-01-23 Method for producing molten iron having low silicon content TWI223006B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002015702 2002-01-24

Publications (2)

Publication Number Publication Date
TW200302284A TW200302284A (en) 2003-08-01
TWI223006B true TWI223006B (en) 2004-11-01

Family

ID=27606118

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092101454A TWI223006B (en) 2002-01-24 2003-01-23 Method for producing molten iron having low silicon content

Country Status (6)

Country Link
JP (1) JP4325401B2 (pt)
KR (1) KR100611167B1 (pt)
CN (1) CN1615370A (pt)
BR (1) BR0307107A (pt)
TW (1) TWI223006B (pt)
WO (1) WO2003062473A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4751180B2 (ja) * 2005-10-31 2011-08-17 新日本製鐵株式会社 高炉操業方法
JP7130898B2 (ja) 2019-03-28 2022-09-06 株式会社神戸製鋼所 高炉の操業方法
CN111057807B (zh) * 2020-01-07 2021-08-17 武钢集团昆明钢铁股份有限公司 一种超低硅低硫合格生铁的冶炼方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03215620A (ja) * 1990-01-19 1991-09-20 Nkk Corp 高炉へのフラックス吹込み方法
JP3238037B2 (ja) * 1994-10-05 2001-12-10 新日本製鐵株式会社 高炉の操業法
JP3874313B2 (ja) * 1996-07-16 2007-01-31 新日本製鐵株式会社 高炉操業方法
JPH1129803A (ja) * 1997-07-10 1999-02-02 Nippon Steel Corp 高被還元性焼結鉱を使用した高炉操業方法
JP4598204B2 (ja) * 1997-07-23 2010-12-15 新日本製鐵株式会社 微粉炭多量吹き込み時の高炉操業方法
JP2001107114A (ja) * 1999-10-06 2001-04-17 Nippon Steel Corp 高被還元性焼結鉱を使用した高炉操業方法

Also Published As

Publication number Publication date
JPWO2003062473A1 (ja) 2005-05-26
JP4325401B2 (ja) 2009-09-02
KR100611167B1 (ko) 2006-08-09
BR0307107A (pt) 2004-12-28
WO2003062473A1 (fr) 2003-07-31
KR20040071287A (ko) 2004-08-11
CN1615370A (zh) 2005-05-11
TW200302284A (en) 2003-08-01

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