KR101529843B1 - 전로 제강 방법 - Google Patents

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Publication number
KR101529843B1
KR101529843B1 KR1020147015660A KR20147015660A KR101529843B1 KR 101529843 B1 KR101529843 B1 KR 101529843B1 KR 1020147015660 A KR1020147015660 A KR 1020147015660A KR 20147015660 A KR20147015660 A KR 20147015660A KR 101529843 B1 KR101529843 B1 KR 101529843B1
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South Korea
Prior art keywords
lance
gas
molten iron
nozzle
agent
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KR1020147015660A
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English (en)
Korean (ko)
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KR20140090672A (ko
Inventor
유이치 우치다
유마 이가라시
히데미츠 네기시
나오타카 사사키
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제이에프이 스틸 가부시키가이샤
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Publication of KR20140090672A publication Critical patent/KR20140090672A/ko
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
KR1020147015660A 2011-12-20 2012-12-19 전로 제강 방법 Active KR101529843B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011278224 2011-12-20
JPJP-P-2011-278224 2011-12-20
PCT/JP2012/082905 WO2013094634A1 (ja) 2011-12-20 2012-12-19 転炉製鋼方法

Publications (2)

Publication Number Publication Date
KR20140090672A KR20140090672A (ko) 2014-07-17
KR101529843B1 true KR101529843B1 (ko) 2015-06-17

Family

ID=48668518

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147015660A Active KR101529843B1 (ko) 2011-12-20 2012-12-19 전로 제강 방법

Country Status (8)

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

Families Citing this family (15)

* 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
EP3421620B1 (en) * 2016-02-24 2020-02-12 JFE Steel Corporation Method for refining molten steel in vacuum degassing equipment
JP6760399B2 (ja) * 2016-12-27 2020-09-23 Ｊｆｅスチール株式会社 溶銑の脱燐方法及び精錬剤
WO2018135351A1 (ja) * 2017-01-18 2018-07-26 Ｊｆｅスチール株式会社 溶銑の脱燐方法
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
JP6721129B2 (ja) * 2017-08-21 2020-07-08 日本製鉄株式会社 転炉吹錬用上吹きランスおよび溶銑の精錬方法
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
CN116377172B (zh) * 2023-03-19 2024-07-19 新疆八一钢铁股份有限公司 一种转炉高效脱磷的操作方法
CN116334342B (zh) * 2023-04-06 2024-06-14 广东中南钢铁股份有限公司 一种减少转炉高架水槽积渣的方法
CN118345214B (zh) * 2024-05-20 2025-11-21 马鞍山钢铁有限公司 转炉顶枪多功能组合式喷射设备及喷射工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2006336033A (ja) * 2005-05-31 2006-12-14 Jfe Steel Kk 転炉吹錬方法及び転炉吹錬用上吹きランス
JP2010095786A (ja) * 2008-10-20 2010-04-30 Sumitomo Metal Ind Ltd 溶銑の脱燐方法
JP2011106028A (ja) * 2009-10-22 2011-06-02 Jfe Steel Corp 精錬用上吹きランス及びそれを用いた溶銑の精錬方法

Family Cites Families (10)

* 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
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
JP4363367B2 (ja) 2005-06-07 2009-11-11 住友金属工業株式会社 転炉精錬方法
JP2013133520A (ja) * 2011-12-27 2013-07-08 Jfe Steel Corp 溶銑の脱燐精錬方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2006336033A (ja) * 2005-05-31 2006-12-14 Jfe Steel Kk 転炉吹錬方法及び転炉吹錬用上吹きランス
JP2010095786A (ja) * 2008-10-20 2010-04-30 Sumitomo Metal Ind Ltd 溶銑の脱燐方法
JP2011106028A (ja) * 2009-10-22 2011-06-02 Jfe Steel Corp 精錬用上吹きランス及びそれを用いた溶銑の精錬方法

Also Published As

Publication number Publication date
CN104126019B (zh) 2017-06-23
KR20140090672A (ko) 2014-07-17
US20140311295A1 (en) 2014-10-23
JPWO2013094634A1 (ja) 2015-04-27
WO2013094634A1 (ja) 2013-06-27
CN104126019A (zh) 2014-10-29
EP2796569A4 (en) 2015-03-18
IN2014KN01258A (https=) 2015-10-16
JP5574060B2 (ja) 2014-08-20
TWI473883B (zh) 2015-02-21
EP2796569B1 (en) 2017-08-02
EP2796569A1 (en) 2014-10-29
US9493854B2 (en) 2016-11-15
TW201331376A (zh) 2013-08-01

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