BRPI1015360A2 - método para dessulfurização do metal quente. - Google Patents

método para dessulfurização do metal quente.

Info

Publication number
BRPI1015360A2
BRPI1015360A2 BRPI1015360A BRPI1015360A BRPI1015360A2 BR PI1015360 A2 BRPI1015360 A2 BR PI1015360A2 BR PI1015360 A BRPI1015360 A BR PI1015360A BR PI1015360 A BRPI1015360 A BR PI1015360A BR PI1015360 A2 BRPI1015360 A2 BR PI1015360A2
Authority
BR
Brazil
Prior art keywords
desulphurization
hot metal
hot
metal
Prior art date
Application number
BRPI1015360A
Other languages
English (en)
Inventor
Maki Iwasa
Masaki Koizumi
Naoki Kikuchi
Takashi Yamauchi
Takehito Matsuda
Yasuo Kishimoto
Yoshie Nakai
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 BRPI1015360A2 publication Critical patent/BRPI1015360A2/pt
Publication of BRPI1015360B1 publication Critical patent/BRPI1015360B1/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
    • 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)
BRPI1015360-8A 2009-06-30 2010-06-29 Método para dessulfuração do metal quente BRPI1015360B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2009-155148 2009-06-30
JP2009155148 2009-06-30
JP2009-294022 2009-12-25
JP2009294022 2009-12-25
PCT/JP2010/061366 WO2011002094A1 (ja) 2009-06-30 2010-06-29 溶銑の脱硫方法
JP2009-147015 2010-06-29
JP2010147015A JP5195833B2 (ja) 2009-06-30 2010-06-29 溶銑の脱硫方法

Publications (2)

Publication Number Publication Date
BRPI1015360A2 true BRPI1015360A2 (pt) 2016-05-10
BRPI1015360B1 BRPI1015360B1 (pt) 2021-10-26

Family

ID=43411162

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1015360-8A BRPI1015360B1 (pt) 2009-06-30 2010-06-29 Método para dessulfuração do metal quente

Country Status (6)

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

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
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
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
CN110177889B (zh) * 2017-01-19 2021-06-11 杰富意钢铁株式会社 钢水的脱硫处理方法及脱硫剂
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

Family Cites Families (8)

* 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
CN1283222A (zh) * 1997-12-26 2001-02-07 日本钢管株式会社 铁水精练方法及生产铁水的熔融还原方法
JP2001288507A (ja) * 2000-04-04 2001-10-19 Nkk Corp 低燐溶銑の製造方法
JP4845078B2 (ja) * 2003-12-16 2011-12-28 Ｊｆｅスチール株式会社 溶銑の脱硫方法
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
JP5045031B2 (ja) * 2006-08-25 2012-10-10 Ｊｆｅスチール株式会社 溶銑の脱硫剤及び脱硫処理方法
JP5194678B2 (ja) * 2007-09-26 2013-05-08 Ｊｆｅスチール株式会社 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

Also Published As

Publication number Publication date
WO2011002094A1 (ja) 2011-01-06
CN102471814A (zh) 2012-05-23
JP2011149087A (ja) 2011-08-04
KR20120026623A (ko) 2012-03-19
EP2434025A4 (en) 2016-12-14
BRPI1015360B1 (pt) 2021-10-26
EP2434025B1 (en) 2018-03-21
KR101366720B1 (ko) 2014-02-24
JP5195833B2 (ja) 2013-05-15
EP2434025A1 (en) 2012-03-28
CN102471814B (zh) 2016-06-15

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 3A, 4A E 5A ANUIDADES.

B08H Application fees: decision cancelled [chapter 8.8 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2385 DE 20/09/2016.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/06/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.