KR102026765B1 - 상저취 전로의 조업 방법 - Google Patents

상저취 전로의 조업 방법 Download PDF

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Publication number
KR102026765B1
KR102026765B1 KR1020177025588A KR20177025588A KR102026765B1 KR 102026765 B1 KR102026765 B1 KR 102026765B1 KR 1020177025588 A KR1020177025588 A KR 1020177025588A KR 20177025588 A KR20177025588 A KR 20177025588A KR 102026765 B1 KR102026765 B1 KR 102026765B1
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KR
South Korea
Prior art keywords
lance
nozzle
low
converter
point
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KR1020177025588A
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English (en)
Korean (ko)
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KR20170117168A (ko
Inventor
유키오 다카하시
쇼타 아마노
토시노리 다와
유이치 우치다
유지 미키
Original Assignee
제이에프이 스틸 가부시키가이샤
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Publication of KR20170117168A publication Critical patent/KR20170117168A/ko
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Publication of KR102026765B1 publication Critical patent/KR102026765B1/ko

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/35Blowing from above and through the bath
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4606Lances or injectors
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/48Bottoms or tuyéres of converters
KR1020177025588A 2015-03-30 2016-03-25 상저취 전로의 조업 방법 KR102026765B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015068542 2015-03-30
JPJP-P-2015-068542 2015-03-30
PCT/JP2016/059541 WO2016158714A1 (ja) 2015-03-30 2016-03-25 上底吹き転炉の操業方法

Publications (2)

Publication Number Publication Date
KR20170117168A KR20170117168A (ko) 2017-10-20
KR102026765B1 true KR102026765B1 (ko) 2019-09-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177025588A KR102026765B1 (ko) 2015-03-30 2016-03-25 상저취 전로의 조업 방법

Country Status (7)

Country Link
EP (1) EP3279340B1 (ja)
JP (1) JP6358454B2 (ja)
KR (1) KR102026765B1 (ja)
CN (1) CN107429303B (ja)
BR (1) BR112017021087B1 (ja)
TW (1) TWI585208B (ja)
WO (1) WO2016158714A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113661258A (zh) * 2019-04-05 2021-11-16 杰富意钢铁株式会社 高温熔融物的精炼容器
CN113234884A (zh) * 2021-04-23 2021-08-10 甘肃酒钢集团宏兴钢铁股份有限公司 一种解决转炉顶吹气体与底吹枪位置干涉的方法
CN115466814B (zh) * 2022-08-30 2023-09-15 北京科技大学 一种提升熔池动力学特性的转炉及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001012A1 (en) * 1980-09-19 1982-04-01 Kato Y Method for smelting using top-and bottom-blown converter
KR100221350B1 (ko) * 1995-07-27 1999-09-15 에모또 간지 크롬함유 용강의 탈탄정련방법 및 정련가스용 상취랜스
JP2002105525A (ja) 2000-09-26 2002-04-10 Kawasaki Steel Corp 上底吹き転炉

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816013A (ja) * 1981-07-17 1983-01-29 Kawasaki Steel Corp 上底吹転炉の操業方法および上底吹転炉操業用上吹ランス
JPS60165313A (ja) 1984-02-07 1985-08-28 Nippon Steel Corp 溶融金属精錬用上吹ランス
JP3580177B2 (ja) * 1999-04-23 2004-10-20 住友金属工業株式会社 含Cr溶鋼の脱炭精錬方法
JP4120161B2 (ja) * 2000-01-24 2008-07-16 Jfeスチール株式会社 鉄浴型溶融還元炉の操業方法
JP2002285224A (ja) 2001-03-23 2002-10-03 Nippon Steel Corp 転炉吹錬方法および転炉用吹錬ランス
DE102004016681A1 (de) * 2004-04-05 2005-12-22 Ispat Industries Ltd., Taluka-Pen Verfahren und Anlagen zum Herstellen und Erhöhen der jährlichen Produktionsmenge von Massenstahl oder hochwertigen Stahlgüten in einer Zwei-Gefäß-Anlage
JP5724761B2 (ja) * 2011-08-31 2015-05-27 Jfeスチール株式会社 転炉吹錬方法
US9580764B2 (en) * 2011-10-17 2017-02-28 Jfe Steel Corporation Top-blowing lance and method for refining molten iron using the same
JP5553179B2 (ja) 2012-01-12 2014-07-16 新日鐵住金株式会社 転炉脱炭精錬におけるスピッティング低減法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001012A1 (en) * 1980-09-19 1982-04-01 Kato Y Method for smelting using top-and bottom-blown converter
KR100221350B1 (ko) * 1995-07-27 1999-09-15 에모또 간지 크롬함유 용강의 탈탄정련방법 및 정련가스용 상취랜스
JP2002105525A (ja) 2000-09-26 2002-04-10 Kawasaki Steel Corp 上底吹き転炉

Also Published As

Publication number Publication date
EP3279340B1 (en) 2020-11-18
TWI585208B (zh) 2017-06-01
BR112017021087A2 (ja) 2018-07-03
EP3279340A1 (en) 2018-02-07
WO2016158714A1 (ja) 2016-10-06
EP3279340A4 (en) 2018-02-07
JP6358454B2 (ja) 2018-07-18
BR112017021087B1 (pt) 2021-08-31
CN107429303B (zh) 2019-12-31
KR20170117168A (ko) 2017-10-20
JPWO2016158714A1 (ja) 2017-05-25
CN107429303A (zh) 2017-12-01
TW201641696A (zh) 2016-12-01

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