EP2434025A4 - METHOD FOR DISCHARGING MELTED IRON - Google Patents

METHOD FOR DISCHARGING MELTED IRON

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)

French (fr)

Other versions

EP2434025B1 (en

EP2434025A1 (en

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/en

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

2018-03-21 Application granted granted Critical

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

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 Method of desulfurization of molten iron Active EP2434025B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP2009155148		2009-06-30
JP2009294022		2009-12-25
JP2010147015A JP5195833B2 (en)	2009-06-30	2010-06-29	Hot metal desulfurization method
PCT/JP2010/061366 WO2011002094A1 (en)	2009-06-30	2010-06-29	Method of desulfurization of molten iron

Publications (3)

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

Family

ID=43411162

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10794262.5A Active EP2434025B1 (en)	2009-06-30	2010-06-29	Method of desulfurization of molten iron

Country Status (6)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5668641B2 (en) *	2011-08-22	2015-02-12	Ｊｆｅスチール株式会社	Hot metal desulfurization method
JP6237293B2 (en) *	2014-02-06	2017-11-29	新日鐵住金株式会社	Hot metal desulfurization treatment method
KR101597263B1 (en)	2014-04-04	2016-02-24	주식회사 포스코	Processing apparatus for molten metal and the method thereof
KR101602835B1 (en)	2014-05-26	2016-03-11	주식회사 포스코	Processing apparatus for molten metal and the method thereof
CN104928440B (en) *	2015-07-20	2017-05-10	上海信孚环保技术工程有限公司	Hot metal desulphurization device capable of saving desulfurizing agents and application thereof
JP6402762B2 (en) *	2015-10-05	2018-10-10	Ｊｆｅスチール株式会社	Desulfurization agent, mechanical stirring type hot metal desulfurization method and method
JP6369516B2 (en) *	2015-10-05	2018-08-08	Ｊｆｅスチール株式会社	Mechanical stirring type hot metal desulfurization method
EP3572534B1 (en) *	2017-01-19	2021-04-28	JFE Steel Corporation	Desulfurization processing method of molten steel, and desulfurization agent
CN108486307A (en) *	2018-04-17	2018-09-04	中冶南方工程技术有限公司	A kind of converter dust-removing gray iron recovery system and method based on KR desulfurization station
KR102034264B1 (en) *	2018-08-03	2019-10-17	주식회사 포스코	Apparatus for processing hot metal and method for processing hot metal
JP6726437B1 (en) *	2020-05-29	2020-07-22	ダイヤモンドエンジニアリング株式会社	Mechanical stirring type desulfurization system
CN111979375B (en) *	2020-08-19	2022-04-29	武汉钢铁有限公司	Molten iron KR stirring mixing characteristic quantitative characterization method and intelligent desulfurization method
JPWO2024185312A1 (en) *	2023-03-08	2024-09-12

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 (en) *	2003-12-16	2005-07-07	Jfe Steel Kk	Hot metal desulfurization method
JP2008050659A (en) *	2006-08-25	2008-03-06	Jfe Steel Kk	Hot metal desulfurization agent and desulfurization treatment method
JP2009079261A (en) *	2007-09-26	2009-04-16	Jfe Steel Kk	Hot metal desulfurization method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5938566A (en) *	1982-08-25	1984-03-02	松下電器産業株式会社	Refrigeration equipment
JP2001288507A (en) *	2000-04-04	2001-10-19	Nkk Corp	Manufacturing method of low phosphorus hot metal
JP2006241502A (en) *	2005-03-02	2006-09-14	Nippon Steel Corp	Hot metal desulfurization agent and hot metal desulfurization method
JP5101988B2 (en) *	2007-10-26	2012-12-19	新日鐵住金株式会社	Molten metal desulfurization agent

2010
- 2010-06-29 JP JP2010147015A patent/JP5195833B2/en active Active
- 2010-06-29 BR BRPI1015360-8A patent/BRPI1015360B1/en active IP Right Grant
- 2010-06-29 CN CN201080029394.3A patent/CN102471814B/en active Active
- 2010-06-29 EP EP10794262.5A patent/EP2434025B1/en active Active
- 2010-06-29 KR KR1020127001048A patent/KR101366720B1/en active Active
- 2010-06-29 WO PCT/JP2010/061366 patent/WO2011002094A1/en 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 (en) *	2003-12-16	2005-07-07	Jfe Steel Kk	Hot metal desulfurization method
JP2008050659A (en) *	2006-08-25	2008-03-06	Jfe Steel Kk	Hot metal desulfurization agent and desulfurization treatment method
JP2009079261A (en) *	2007-09-26	2009-04-16	Jfe Steel Kk	Hot metal desulfurization method

Non-Patent Citations (1)

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

Also Published As

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

Publication	Publication Date	Title
EP2434025A4 (en)	2016-12-14	METHOD FOR DISCHARGING MELTED IRON
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EP2542330A4 (en)	2014-12-24	PROCESS FOR DISPENSING GAS MIXTURES
EP2306225A4 (en)	2012-11-28	METHOD FOR DETECTING DIRECT LINES
EP2408906A4 (en)	2012-12-12	PROCESS FOR MODULATING THE METABOLISM AND BIORHYTHMUS
FI20085962L (en)	2010-04-14	Method for separating iron

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