JP5574060B2 - 転炉製鋼方法 - Google Patents

転炉製鋼方法 Download PDF

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Publication number
JP5574060B2
JP5574060B2 JP2013550304A JP2013550304A JP5574060B2 JP 5574060 B2 JP5574060 B2 JP 5574060B2 JP 2013550304 A JP2013550304 A JP 2013550304A JP 2013550304 A JP2013550304 A JP 2013550304A JP 5574060 B2 JP5574060 B2 JP 5574060B2
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Japan
Prior art keywords
lance
gas
jet
nozzle
gaseous oxygen
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JP2013550304A
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English (en)
Japanese (ja)
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JPWO2013094634A1 (ja
Inventor
祐一 内田
佑馬 五十嵐
秀光 根岸
直敬 佐々木
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JFE Steel Corp
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JFE Steel Corp
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Priority to JP2013550304A priority Critical patent/JP5574060B2/ja
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Publication of JPWO2013094634A1 publication Critical patent/JPWO2013094634A1/ja
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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)
JP2013550304A 2011-12-20 2012-12-19 転炉製鋼方法 Active JP5574060B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013550304A JP5574060B2 (ja) 2011-12-20 2012-12-19 転炉製鋼方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011278224 2011-12-20
JP2011278224 2011-12-20
PCT/JP2012/082905 WO2013094634A1 (ja) 2011-12-20 2012-12-19 転炉製鋼方法
JP2013550304A JP5574060B2 (ja) 2011-12-20 2012-12-19 転炉製鋼方法

Publications (2)

Publication Number Publication Date
JP5574060B2 true JP5574060B2 (ja) 2014-08-20
JPWO2013094634A1 JPWO2013094634A1 (ja) 2015-04-27

Family

ID=48668518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013550304A Active JP5574060B2 (ja) 2011-12-20 2012-12-19 転炉製鋼方法

Country Status (8)

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

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
JP6421731B2 (ja) * 2015-09-17 2018-11-14 Ｊｆｅスチール株式会社 転炉の操業方法
JP6421732B2 (ja) * 2015-09-17 2018-11-14 Ｊｆｅスチール株式会社 転炉の操業方法
RU2697113C1 (ru) * 2016-02-24 2019-08-12 ДжФЕ СТИЛ КОРПОРЕЙШН Способ рафинирования расплавленной стали в оборудовании для вакуумной дегазации
US11542566B2 (en) * 2016-12-27 2023-01-03 Jfe Steel Corporation Method for dephosphorization of hot metal, and refining agent
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
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
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2006342370A (ja) * 2005-06-07 2006-12-21 Sumitomo Metal Ind Ltd 転炉精錬方法
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 (8)

* 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
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
JP2013133520A (ja) * 2011-12-27 2013-07-08 Jfe Steel Corp 溶銑の脱燐精錬方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2006342370A (ja) * 2005-06-07 2006-12-21 Sumitomo Metal Ind Ltd 転炉精錬方法
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
EP2796569A1 (en) 2014-10-29
US20140311295A1 (en) 2014-10-23
CN104126019A (zh) 2014-10-29
TW201331376A (zh) 2013-08-01
US9493854B2 (en) 2016-11-15
JPWO2013094634A1 (ja) 2015-04-27
EP2796569B1 (en) 2017-08-02
WO2013094634A1 (ja) 2013-06-27
TWI473883B (zh) 2015-02-21
CN104126019B (zh) 2017-06-23
KR101529843B1 (ko) 2015-06-17
EP2796569A4 (en) 2015-03-18
IN2014KN01258A (enExample) 2015-10-16
KR20140090672A (ko) 2014-07-17

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