BR112016001198B1 - método para processo de desfosforização de ferro fundido - Google Patents

método para processo de desfosforização de ferro fundido Download PDF

Info

Publication number
BR112016001198B1
BR112016001198B1 BR112016001198-8A BR112016001198A BR112016001198B1 BR 112016001198 B1 BR112016001198 B1 BR 112016001198B1 BR 112016001198 A BR112016001198 A BR 112016001198A BR 112016001198 B1 BR112016001198 B1 BR 112016001198B1
Authority
BR
Brazil
Prior art keywords
amount
cao
cast iron
oxygen
dephosphorization
Prior art date
Application number
BR112016001198-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Hidemitsu Negishi
Ryo Kawabata
Toshiro Ishige
Atsushi Watanabe
Original Assignee
Jfe Steel Corporation
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 Corporation filed Critical Jfe Steel Corporation
Publication of BR112016001198B1 publication Critical patent/BR112016001198B1/pt

Links

Images

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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • 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)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
BR112016001198-8A 2013-07-25 2014-07-18 método para processo de desfosforização de ferro fundido BR112016001198B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013154058 2013-07-25
JP2013-154058 2013-07-25
PCT/JP2014/003828 WO2015011910A1 (ja) 2013-07-25 2014-07-18 溶銑の脱燐処理方法

Publications (1)

Publication Number Publication Date
BR112016001198B1 true BR112016001198B1 (pt) 2020-10-13

Family

ID=52392974

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016001198-8A BR112016001198B1 (pt) 2013-07-25 2014-07-18 método para processo de desfosforização de ferro fundido

Country Status (6)

Country Link
JP (1) JP6011728B2 (zh)
KR (1) KR101748519B1 (zh)
CN (1) CN105408501B (zh)
BR (1) BR112016001198B1 (zh)
TW (1) TWI568856B (zh)
WO (1) WO2015011910A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138246B (zh) * 2016-03-23 2020-03-10 日本制铁株式会社 铁水预处理方法以及铁水预处理控制装置
CN106123574A (zh) * 2016-06-28 2016-11-16 阳谷祥光铜业有限公司 一种氧气吹转炉和一种冶炼方法
KR102406956B1 (ko) * 2018-03-07 2022-06-10 닛폰세이테츠 가부시키가이샤 용선의 탈인 방법
TWI703219B (zh) * 2018-04-24 2020-09-01 日商日本製鐵股份有限公司 熔銑的脫磷方法
US20240068061A1 (en) * 2021-01-26 2024-02-29 Jfe Steel Corporation Converter steelmaking method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3440630B2 (ja) * 1995-05-12 2003-08-25 住友金属工業株式会社 溶銑脱燐方法
CN1046139C (zh) * 1997-10-08 1999-11-03 冶金工业部钢铁研究总院 铁水预脱磷方法
JP2007092181A (ja) 1998-06-18 2007-04-12 Jfe Steel Kk 低燐溶銑の製造方法
JP2000212622A (ja) 1999-01-14 2000-08-02 Nippon Steel Corp 反応効率の高い溶銑脱燐方法
JP3888264B2 (ja) 2002-08-26 2007-02-28 Ｊｆｅスチール株式会社 低燐溶銑の製造方法
JP4423927B2 (ja) * 2003-10-30 2010-03-03 Ｊｆｅスチール株式会社 溶銑の脱燐処理方法
JP4196997B2 (ja) * 2006-02-24 2008-12-17 住友金属工業株式会社 溶銑の処理方法
JP2006188769A (ja) * 2006-03-31 2006-07-20 Jfe Steel Kk 低燐溶銑の製造方法
JP4743078B2 (ja) 2006-10-24 2011-08-10 住友金属工業株式会社 脱燐処理後のスラグの排滓性向上方法およびそれを用いた溶銑の脱燐処理方法
JP2011012286A (ja) * 2009-06-30 2011-01-20 Sumitomo Metal Ind Ltd 溶銑の脱りん方法
JP5438527B2 (ja) * 2010-01-15 2014-03-12 株式会社神戸製鋼所 極低りん鋼溶製のための脱りん方法

Also Published As

Publication number Publication date
CN105408501B (zh) 2017-06-20
KR20160014688A (ko) 2016-02-11
CN105408501A (zh) 2016-03-16
TW201512411A (zh) 2015-04-01
JPWO2015011910A1 (ja) 2017-03-02
JP6011728B2 (ja) 2016-10-19
WO2015011910A1 (ja) 2015-01-29
KR101748519B1 (ko) 2017-06-16
TWI568856B (zh) 2017-02-01

Similar Documents

Publication Publication Date Title
US5279639A (en) Compositions for synthesizing ladle slags
BR112016001198B1 (pt) método para processo de desfosforização de ferro fundido
BR112014017695B1 (pt) Processo para tratamento preliminar de ferro fundido
BR112015016963B1 (pt) Método de fabricação de aço em conversor
BR112014001081B1 (pt) Método para refino de ferro fundido
RU2608865C2 (ru) Способ десульфурации стали
TWI609839B (zh) 熔鐵的脫磷劑、精煉劑及脫磷方法
TWI683000B (zh) 熔銑的脫磷方法
BR112013020045B1 (pt) método de dessiliconização e desfosforação de ferro gusa fundido
JP5904238B2 (ja) 転炉における溶銑の脱燐処理方法
JP4487812B2 (ja) 低燐溶銑の製造方法
JP5061598B2 (ja) 溶銑の脱硫方法
JP6540632B2 (ja) 溶銑の脱燐処理方法
JP2007270238A (ja) 溶銑の脱燐処理方法
JP2013072111A (ja) 溶銑の脱燐処理方法
WO2016098347A1 (ja) 溶銑の予備処理方法
US4891064A (en) Method of melting cold material including iron
BRPI0919179B1 (pt) Process for the dusulfurization of fused gas iron.
JP2011084777A (ja) 電気炉を用いて行う製鋼精錬方法
JPS60165311A (ja) 溶銑の精錬時におけるスラグフオ−ミング抑制方法
JP2003105423A (ja) 溶銑の脱りんおよび脱硫処理方法
JP5386972B2 (ja) 溶銑の脱珪脱りん方法
JP2011058046A (ja) 溶銑の脱燐処理方法
JP7361458B2 (ja) 溶銑の脱りん方法
JP4025713B2 (ja) 溶銑の脱燐精錬方法

Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion)
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/07/2014, OBSERVADAS AS CONDICOES LEGAIS.