IN2014KN01258A - - Google Patents

Info

Publication number
IN2014KN01258A
IN2014KN01258A IN1258KON2014A IN2014KN01258A IN 2014KN01258 A IN2014KN01258 A IN 2014KN01258A IN 1258KON2014 A IN1258KON2014 A IN 1258KON2014A IN 2014KN01258 A IN2014KN01258 A IN 2014KN01258A
Authority
IN
India
Prior art keywords
molten iron
dephosphorization refining
refining agent
dephosphorization
converter
Prior art date
Application number
Other languages
English (en)
Inventor
Yuichi Uchida
Yuma Igarashi
Hidemitsu Negishi
Naotaka Sasaki
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 IN2014KN01258A publication Critical patent/IN2014KN01258A/en

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
    • 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
    • C21C5/32—Blowing from above
    • 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
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
IN1258KON2014 2011-12-20 2012-12-19 IN2014KN01258A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011278224 2011-12-20
PCT/JP2012/082905 WO2013094634A1 (ja) 2011-12-20 2012-12-19 転炉製鋼方法

Publications (1)

Publication Number Publication Date
IN2014KN01258A true IN2014KN01258A (ru) 2015-10-16

Family

ID=48668518

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1258KON2014 IN2014KN01258A (ru) 2011-12-20 2012-12-19

Country Status (8)

Country Link
US (1) US9493854B2 (ru)
EP (1) EP2796569B1 (ru)
JP (1) JP5574060B2 (ru)
KR (1) KR101529843B1 (ru)
CN (1) CN104126019B (ru)
IN (1) IN2014KN01258A (ru)
TW (1) TWI473883B (ru)
WO (1) WO2013094634A1 (ru)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6180337B2 (ja) * 2014-01-29 2017-08-16 株式会社神戸製鋼所 転炉型容器における上吹き条件を変更する脱りん処理方法
JP6421732B2 (ja) * 2015-09-17 2018-11-14 Ｊｆｅスチール株式会社 転炉の操業方法
JP6421731B2 (ja) * 2015-09-17 2018-11-14 Ｊｆｅスチール株式会社 転炉の操業方法
RU2697113C1 (ru) * 2016-02-24 2019-08-12 ДжФЕ СТИЛ КОРПОРЕЙШН Способ рафинирования расплавленной стали в оборудовании для вакуумной дегазации
EP3564396B1 (en) * 2016-12-27 2022-10-12 JFE Steel Corporation Method for dephosphorization of molten iron, and refining agent
CN114457204A (zh) * 2017-01-18 2022-05-10 杰富意钢铁株式会社 铁水的脱磷方法
CN107213723A (zh) * 2017-06-15 2017-09-29 石嘴山市荣华缘冶金有限责任公司 用于炼钢的压缩空气除油除水装置
KR20200003114A (ko) * 2017-08-21 2020-01-08 닛폰세이테츠 가부시키가이샤 전로 취련용 상취 랜스 및 용선의 정련 방법
JP6926928B2 (ja) * 2017-10-18 2021-08-25 日本製鉄株式会社 溶鋼の精錬方法
CN108374070A (zh) * 2018-05-04 2018-08-07 北京京科名创工程技术有限公司 喷吹注剂搅拌装置
CN110218842A (zh) * 2019-07-02 2019-09-10 马鞍山钢铁股份有限公司 一种铁水脱磷装置及方法
JP7380444B2 (ja) * 2020-06-24 2023-11-15 Ｊｆｅスチール株式会社 転炉脱りん処理用上吹きランスおよび転炉吹錬方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58185707A (ja) * 1982-04-23 1983-10-29 Sumitomo Metal Ind Ltd 鋼の精錬法
JP3402133B2 (ja) * 1997-07-17 2003-04-28 住友金属工業株式会社 精錬用上吹きランスおよび精錬方法
JPH1192815A (ja) * 1997-09-22 1999-04-06 Nkk Corp ダスト発生を抑制する転炉吹錬法
JPH1192814A (ja) 1997-09-22 1999-04-06 Nkk Corp ダスト発生を抑制する転炉吹錬方法
JP2002105526A (ja) * 2000-09-28 2002-04-10 Nippon Steel Corp 未滓化石灰が少ない溶銑脱燐方法
JP4273688B2 (ja) * 2000-11-16 2009-06-03 Ｊｆｅスチール株式会社 転炉吹錬方法
JP4686873B2 (ja) * 2001-02-28 2011-05-25 Ｊｆｅスチール株式会社 溶銑の脱燐方法
JP3854482B2 (ja) * 2001-09-27 2006-12-06 新日本製鐵株式会社 溶銑の予備処理方法及び精錬方法
JP2006274349A (ja) 2005-03-29 2006-10-12 Sumitomo Metal Ind Ltd 鋼の精錬方法
JP4901132B2 (ja) 2005-05-31 2012-03-21 Ｊｆｅスチール株式会社 転炉吹錬方法及び転炉吹錬用上吹きランス
JP4363367B2 (ja) * 2005-06-07 2009-11-11 住友金属工業株式会社 転炉精錬方法
JP5343506B2 (ja) * 2008-10-20 2013-11-13 新日鐵住金株式会社 溶銑の脱燐方法
JP5644355B2 (ja) * 2009-10-22 2014-12-24 Ｊｆｅスチール株式会社 溶銑の精錬方法
JP2013133520A (ja) * 2011-12-27 2013-07-08 Jfe Steel Corp 溶銑の脱燐精錬方法

Also Published As

Publication number Publication date
US9493854B2 (en) 2016-11-15
JPWO2013094634A1 (ja) 2015-04-27
KR101529843B1 (ko) 2015-06-17
KR20140090672A (ko) 2014-07-17
JP5574060B2 (ja) 2014-08-20
TWI473883B (zh) 2015-02-21
CN104126019A (zh) 2014-10-29
EP2796569B1 (en) 2017-08-02
CN104126019B (zh) 2017-06-23
TW201331376A (zh) 2013-08-01
WO2013094634A1 (ja) 2013-06-27
US20140311295A1 (en) 2014-10-23
EP2796569A4 (en) 2015-03-18
EP2796569A1 (en) 2014-10-29

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