CN102348815A - 铁水的脱硫处理方法 - Google Patents

铁水的脱硫处理方法 Download PDF

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Publication number
CN102348815A
CN102348815A CN2010800115857A CN201080011585A CN102348815A CN 102348815 A CN102348815 A CN 102348815A CN 2010800115857 A CN2010800115857 A CN 2010800115857A CN 201080011585 A CN201080011585 A CN 201080011585A CN 102348815 A CN102348815 A CN 102348815A
Authority
CN
China
Prior art keywords
impeller
molten iron
slag
sweetening agent
rotating speed
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
CN2010800115857A
Other languages
English (en)
Chinese (zh)
Inventor
田中芳幸
大山智史
井上祥规
井泽智生
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 Steel Corp
JFE Engineering Corp
Original Assignee
NKK 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 NKK Corp filed Critical NKK Corp
Publication of CN102348815A publication Critical patent/CN102348815A/zh
Pending legal-status Critical Current

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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
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • 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
    • 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
    • C21C1/06—Constructional features of mixers for pig-iron
    • 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
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D27/00—Stirring devices for molten material

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
CN2010800115857A 2009-03-11 2010-03-10 铁水的脱硫处理方法 Pending CN102348815A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2009057993 2009-03-11
JP2009-057993 2009-03-11
JP2009173102 2009-07-24
JP2009-173102 2009-07-24
PCT/JP2010/054477 WO2010104204A1 (ja) 2009-03-11 2010-03-10 溶銑の脱硫処理方法

Publications (1)

Publication Number Publication Date
CN102348815A true CN102348815A (zh) 2012-02-08

Family

ID=42728482

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010800115857A Pending CN102348815A (zh) 2009-03-11 2010-03-10 铁水的脱硫处理方法

Country Status (6)

Country Link
JP (1) JP4844679B2 (ja)
KR (1) KR101173098B1 (ja)
CN (1) CN102348815A (ja)
BR (1) BRPI1009516B1 (ja)
TW (1) TWI412599B (ja)
WO (1) WO2010104204A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103642981A (zh) * 2013-12-24 2014-03-19 辽宁新邦科技有限公司 铁水脱硫自动控制装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5949637B2 (ja) * 2013-04-01 2016-07-13 Ｊｆｅスチール株式会社 脱硫処理後の溶銑の復硫防止方法
CN104928440B (zh) * 2015-07-20 2017-05-10 上海信孚环保技术工程有限公司 一种节省脱硫剂的铁水脱硫装置及其应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1831155A (zh) * 2006-04-18 2006-09-13 钢铁研究总院 一种铁水复合脱硫方法
JP2008101262A (ja) * 2006-10-20 2008-05-01 Jfe Steel Kk 溶銑の脱硫処理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2945386B1 (ja) * 1998-06-17 1999-09-06 川崎重工業株式会社 溶銑の脱硫方法および脱硫装置
JP2001049319A (ja) * 1999-08-11 2001-02-20 Kawasaki Steel Corp 溶銑の脱硫方法
JP4635672B2 (ja) * 2005-03-24 2011-02-23 Ｊｆｅスチール株式会社 溶融金属の精錬方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1831155A (zh) * 2006-04-18 2006-09-13 钢铁研究总院 一种铁水复合脱硫方法
JP2008101262A (ja) * 2006-10-20 2008-05-01 Jfe Steel Kk 溶銑の脱硫処理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103642981A (zh) * 2013-12-24 2014-03-19 辽宁新邦科技有限公司 铁水脱硫自动控制装置

Also Published As

Publication number Publication date
BRPI1009516A2 (pt) 2016-03-15
TWI412599B (zh) 2013-10-21
JP4844679B2 (ja) 2011-12-28
WO2010104204A1 (ja) 2010-09-16
KR101173098B1 (ko) 2012-08-10
TW201037082A (en) 2010-10-16
KR20110117264A (ko) 2011-10-26
BRPI1009516B1 (pt) 2021-03-09
JP2011042865A (ja) 2011-03-03

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Application publication date: 20120208