EP2434025A4 - Verfahren zur entschwefelung von geschmolzenem eisen - Google Patents

Verfahren zur entschwefelung von geschmolzenem eisen

Info

Publication number
EP2434025A4
EP2434025A4 EP10794262.5A EP10794262A EP2434025A4 EP 2434025 A4 EP2434025 A4 EP 2434025A4 EP 10794262 A EP10794262 A EP 10794262A EP 2434025 A4 EP2434025 A4 EP 2434025A4
Authority
EP
European Patent Office
Prior art keywords
desulfurization
molten iron
molten
iron
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.)
Granted
Application number
EP10794262.5A
Other languages
English (en)
French (fr)
Other versions
EP2434025A1 (de
EP2434025B1 (de
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.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2434025A1 publication Critical patent/EP2434025A1/de
Publication of EP2434025A4 publication Critical patent/EP2434025A4/de
Application granted granted Critical
Publication of EP2434025B1 publication Critical patent/EP2434025B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising
    • C21C1/025Agents 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 Verfahren zur entschwefelung von geschmolzenem eisen Active EP2434025B1 (de)

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 (ja) 2009-06-30 2010-06-29 溶銑の脱硫方法

Publications (3)

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

Family

ID=43411162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10794262.5A Active EP2434025B1 (de) 2009-06-30 2010-06-29 Verfahren zur entschwefelung von geschmolzenem eisen

Country Status (6)

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

Families Citing this family (12)

* 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
WO2018135344A1 (ja) * 2017-01-19 2018-07-26 Jfeスチール株式会社 溶鋼の脱硫処理方法及び脱硫剤
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

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

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

Similar Documents

Publication Publication Date Title
EP2434025A4 (de) Verfahren zur entschwefelung von geschmolzenem eisen
ZA201201847B (en) Desulphurisation process
EP2502414A4 (de) Verfahren zum abspielen von inhalten
ZA201202299B (en) Method for decreasing immunigenicity
PL2376507T3 (pl) Sposób otrzymywania hydroksymetylofosfonianów
HUE051430T2 (hu) Eljárás variábilis domének elõállítására
ZA201105499B (en) Method for producing metallic iron
EP2500121A4 (de) Stahlstranggussverfahren
EP2500120A4 (de) Stahlstranggussverfahren
ZA201302389B (en) Method for manufacturing stone material using molten slag
PL2391225T3 (pl) Sposób wytwarzania laktoferyny
GB0901663D0 (en) Casting method
EP2338627A4 (de) Verfahren zur steuerung von schweissvorgängen
EP2453896A4 (de) Verfahren zur behandlung von schizophrenie
ZA201205611B (en) Apparatus for manufacturing molten iron
EP2408950A4 (de) Elektro-rückgewinnung von metallen
PL2371468T3 (pl) Sposób ciągłego odlewania stali
ZA201107591B (en) Baintic steel for moulds
EP2474801A4 (de) Verfahren zur zerkleinerung eines ofens einer mehrschichtigen feuerfesten struktur
ZA201204626B (en) Metallurgical furnace
IL215377A0 (en) Method of genotyping
ZA201108998B (en) Smelting method
ZA201105571B (en) Method of blasting
ZA201002350B (en) Producing method of direct reduced iron
EP2202325A4 (de) Verfahren zum betreiben eines vertikalofens

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20111213

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20161114

RIC1 Information provided on ipc code assigned before grant

Ipc: C21C 1/02 20060101AFI20161108BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20171102

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 981161

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180415

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602010049349

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180621

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 981161

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180621

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180622

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180723

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602010049349

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20190102

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20180630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180629

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180629

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180630

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180630

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20190626

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180629

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20100629

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180321

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180721

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20200629

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200629

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230510

Year of fee payment: 14

Ref country code: DE

Payment date: 20230502

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20230621

Year of fee payment: 14