BRPI1009516A2 - método para dessulfuração de metal quente. - Google Patents

método para dessulfuração de metal quente.

Info

Publication number
BRPI1009516A2
BRPI1009516A2 BRPI1009516A BRPI1009516A BRPI1009516A2 BR PI1009516 A2 BRPI1009516 A2 BR PI1009516A2 BR PI1009516 A BRPI1009516 A BR PI1009516A BR PI1009516 A BRPI1009516 A BR PI1009516A BR PI1009516 A2 BRPI1009516 A2 BR PI1009516A2
Authority
BR
Brazil
Prior art keywords
hot metal
desulphurisation method
metal desulphurisation
hot
desulphurisation
Prior art date
Application number
BRPI1009516A
Other languages
English (en)
Inventor
Satoshi Oyama
Tomoo Isawa
Yoshinori Inoue
Yoshiyuki Tanaka
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 BRPI1009516A2 publication Critical patent/BRPI1009516A2/pt
Publication of BRPI1009516B1 publication Critical patent/BRPI1009516B1/pt

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
    • C21C7/064—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

Landscapes

  • 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)
BRPI1009516-0A 2009-03-11 2010-03-10 Método para dessulfuração de metal quente BRPI1009516B1 (pt)

Applications Claiming Priority (5)

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

Publications (2)

Publication Number Publication Date
BRPI1009516A2 true BRPI1009516A2 (pt) 2016-03-15
BRPI1009516B1 BRPI1009516B1 (pt) 2021-03-09

Family

ID=42728482

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1009516-0A BRPI1009516B1 (pt) 2009-03-11 2010-03-10 Método para dessulfuração de metal quente

Country Status (6)

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

Families Citing this family (3)

* 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
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
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

Family Cites Families (5)

* 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
CN1831155A (zh) * 2006-04-18 2006-09-13 钢铁研究总院 一种铁水复合脱硫方法
JP5151112B2 (ja) * 2006-10-20 2013-02-27 Ｊｆｅスチール株式会社 溶銑の脱硫処理方法

Also Published As

Publication number Publication date
CN102348815A (zh) 2012-02-08
JP4844679B2 (ja) 2011-12-28
TW201037082A (en) 2010-10-16
TWI412599B (zh) 2013-10-21
KR101173098B1 (ko) 2012-08-10
WO2010104204A1 (ja) 2010-09-16
KR20110117264A (ko) 2011-10-26
JP2011042865A (ja) 2011-03-03
BRPI1009516B1 (pt) 2021-03-09

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal: appeal against refusal
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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