EP2434025A4 - Procédé de désulfuration de fer fondu - Google Patents

Procédé de désulfuration de fer fondu

Info

Publication number: EP2434025A4
Authority: EP; European Patent Office
Prior art keywords: melted iron; discharging melted; discharging; iron; melted
Prior art date: 2009-06-30
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

EP10794262.5A

Other languages

German (de)

English (en)

Other versions

EP2434025A1 (fr

EP2434025B1 (fr

Inventor

Naoki Kikuchi

Masaki Koizumi

Takashi Yamauchi

Takehito Matsuda

Yasuo Kishimoto

Maki Iwasa

Yoshie Nakai

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

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.)

2009-06-30

Filing date

2010-06-29

Publication date

2016-12-14

2010-06-29 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2012-03-28 Publication of EP2434025A1 publication Critical patent/EP2434025A1/fr

2016-12-14 Publication of EP2434025A4 publication Critical patent/EP2434025A4/fr

2018-03-21 Application granted granted Critical

2018-03-21 Publication of EP2434025B1 publication Critical patent/EP2434025B1/fr

Status Active legal-status Critical Current

2030-06-29 Anticipated expiration legal-status Critical

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
- 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
- C21C1/025—Agents used for 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)

EP10794262.5A 2009-06-30 2010-06-29 Procédé de désulfuration de fer fondu Active EP2434025B1 (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP2009155148		2009-06-30
JP2009294022		2009-12-25
JP2010147015A JP5195833B2 (ja)	2009-06-30	2010-06-29	溶銑の脱硫方法
PCT/JP2010/061366 WO2011002094A1 (fr)	2009-06-30	2010-06-29	Procédé de désulfuration de fer fondu

Publications (3)

Publication Number	Publication Date
EP2434025A1 EP2434025A1 (fr)	2012-03-28
EP2434025A4 true EP2434025A4 (fr)	2016-12-14
EP2434025B1 EP2434025B1 (fr)	2018-03-21

Family

ID=43411162

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10794262.5A Active EP2434025B1 (fr)	2009-06-30	2010-06-29	Procédé de désulfuration de fer fondu

Country Status (6)

Country	Link
EP (1)	EP2434025B1 (fr)
JP (1)	JP5195833B2 (fr)
KR (1)	KR101366720B1 (fr)
CN (1)	CN102471814B (fr)
BR (1)	BRPI1015360B1 (fr)
WO (1)	WO2011002094A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5668641B2 (ja) *	2011-08-22	2015-02-12	Ｊｆｅスチール株式会社	溶銑の脱硫方法
JP6237293B2 (ja) *	2014-02-06	2017-11-29	新日鐵住金株式会社	溶銑の脱硫処理方法
KR101597263B1 (ko)	2014-04-04	2016-02-24	주식회사 포스코	용융금속 정련장치 및 그 정련방법
KR101602835B1 (ko)	2014-05-26	2016-03-11	주식회사 포스코	용융금속 정련장치 및 그 정련방법
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
JP6402762B2 (ja) *	2015-10-05	2018-10-10	Ｊｆｅスチール株式会社	脱硫剤、機械攪拌式溶銑脱硫方法及び脱硫溶銑の製造方法
JP6369516B2 (ja) *	2015-10-05	2018-08-08	Ｊｆｅスチール株式会社	機械攪拌式溶銑脱硫方法
EP3572534B1 (fr) *	2017-01-19	2021-04-28	JFE Steel Corporation	Procede de traitement de désulfuration d'acier fondu et agent de désulfuration
CN108486307A (zh) *	2018-04-17	2018-09-04	中冶南方工程技术有限公司	一种基于kr脱硫站的转炉除尘灰铁回收系统及方法
KR102034264B1 (ko) *	2018-08-03	2019-10-17	주식회사 포스코	용선 처리 장치 및 용선 처리 방법
JP6726437B1 (ja) *	2020-05-29	2020-07-22	ダイヤモンドエンジニアリング株式会社	機械攪拌式脱硫システム
CN111979375B (zh) *	2020-08-19	2022-04-29	武汉钢铁有限公司	铁水kr搅拌混合特性量化表征方法及智能脱硫方法
EP4656741A1 (fr) *	2023-03-08	2025-12-03	JFE Steel Corporation	Dispositif d'estimation de constituants de fer fondu, procédé d'estimation de constituants et procédé de désulfuration

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20020112567A1 (en) *	1997-12-26	2002-08-22	Nkk Corporation	Smelting reduction method
JP2005179690A (ja) *	2003-12-16	2005-07-07	Jfe Steel Kk	溶銑の脱硫方法
JP2008050659A (ja) *	2006-08-25	2008-03-06	Jfe Steel Kk	溶銑の脱硫剤及び脱硫処理方法
JP2009079261A (ja) *	2007-09-26	2009-04-16	Jfe Steel Kk	溶銑の脱硫方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5938566A (ja) *	1982-08-25	1984-03-02	松下電器産業株式会社	冷凍装置
JP2001288507A (ja) *	2000-04-04	2001-10-19	Nkk Corp	低燐溶銑の製造方法
JP2006241502A (ja)	2005-03-02	2006-09-14	Nippon Steel Corp	溶銑の脱硫剤及び溶銑の脱硫方法
JP5101988B2 (ja) *	2007-10-26	2012-12-19	新日鐵住金株式会社	溶融金属の脱硫剤

2010
- 2010-06-29 KR KR1020127001048A patent/KR101366720B1/ko active Active
- 2010-06-29 EP EP10794262.5A patent/EP2434025B1/fr active Active
- 2010-06-29 BR BRPI1015360-8A patent/BRPI1015360B1/pt active IP Right Grant
- 2010-06-29 JP JP2010147015A patent/JP5195833B2/ja active Active
- 2010-06-29 CN CN201080029394.3A patent/CN102471814B/zh active Active
- 2010-06-29 WO PCT/JP2010/061366 patent/WO2011002094A1/fr not_active Ceased

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20020112567A1 (en) *	1997-12-26	2002-08-22	Nkk Corporation	Smelting reduction method
JP2005179690A (ja) *	2003-12-16	2005-07-07	Jfe Steel Kk	溶銑の脱硫方法
JP2008050659A (ja) *	2006-08-25	2008-03-06	Jfe Steel Kk	溶銑の脱硫剤及び脱硫処理方法
JP2009079261A (ja) *	2007-09-26	2009-04-16	Jfe Steel Kk	溶銑の脱硫方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011002094A1 *

Also Published As

Publication number	Publication date
KR101366720B1 (ko)	2014-02-24
JP2011149087A (ja)	2011-08-04
EP2434025A1 (fr)	2012-03-28
CN102471814A (zh)	2012-05-23
EP2434025B1 (fr)	2018-03-21
BRPI1015360A2 (pt)	2016-05-10
CN102471814B (zh)	2016-06-15
BRPI1015360B1 (pt)	2021-10-26
KR20120026623A (ko)	2012-03-19
JP5195833B2 (ja)	2013-05-15
WO2011002094A1 (fr)	2011-01-06

Publication	Publication Date	Title
EP2434025A4 (fr)	2016-12-14	Procédé de désulfuration de fer fondu
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EP2417455A4 (fr)	2012-10-03	Procédés améliorés pour effectuer des dosages
EP3299380C0 (fr)	2024-08-28	Procédé de purification de polypeptides
DE112011100117A5 (de)	2013-01-03	Verfahren zur automatischen prävention von aquaplaning
EP2580838A4 (fr)	2015-04-22	Procédé permettant de détecter le retrait d'une batterie
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EP2247284A4 (fr)	2013-10-02	Procédé visant à réduire le polymorphisme
EP3825690C0 (fr)	2025-07-23	Procédé de culture de lymphocyte simple
EP2623588A4 (fr)	2014-12-24	Procédé de transformation de straménopile
EP2421955A4 (fr)	2012-10-10	Procédés d'obtention de matériel génétique f tal
DE112010000104A8 (de)	2013-06-13	Verfahren zur abkühlung der troposphäre
DE112008004027A5 (de)	2011-09-29	Verfahren zur Minderung von Kollisionsrisiken
EP2642984A4 (fr)	2014-12-17	Procédé pour l'encapsulation de particules
DE112011104258A5 (de)	2013-10-02	Verfahren zur aufbereitung von biomasse
EP2404705A4 (fr)	2014-12-31	Procédé de détermination de conditions de grenaillage
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EP2306225A4 (fr)	2012-11-28	Dispositif de détection de ligne directe
EP2408906A4 (fr)	2012-12-12	Procédés pour moduler des rythmes métaboliques et circadiens

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