KR102441788B1 - 강의 제조 방법 - Google Patents

강의 제조 방법 Download PDF

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Publication number
KR102441788B1
KR102441788B1 KR1020207026029A KR20207026029A KR102441788B1 KR 102441788 B1 KR102441788 B1 KR 102441788B1 KR 1020207026029 A KR1020207026029 A KR 1020207026029A KR 20207026029 A KR20207026029 A KR 20207026029A KR 102441788 B1 KR102441788 B1 KR 102441788B1
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KR
South Korea
Prior art keywords
ladle
molten steel
steel
auxiliary material
amount
Prior art date
Application number
KR1020207026029A
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English (en)
Korean (ko)
Other versions
KR20200118191A (ko
Inventor
아츠시 오카야마
Original Assignee
닛폰세이테츠 가부시키가이샤
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Application filed by 닛폰세이테츠 가부시키가이샤 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20200118191A publication Critical patent/KR20200118191A/ko
Application granted granted Critical
Publication of KR102441788B1 publication Critical patent/KR102441788B1/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
    • 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
    • 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
    • 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
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Coating With Molten Metal (AREA)
KR1020207026029A 2018-06-28 2019-06-26 강의 제조 방법 KR102441788B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018122844 2018-06-28
JPJP-P-2018-122844 2018-06-28
PCT/JP2019/025471 WO2020004501A1 (ja) 2018-06-28 2019-06-26 鋼の製造方法

Publications (2)

Publication Number Publication Date
KR20200118191A KR20200118191A (ko) 2020-10-14
KR102441788B1 true KR102441788B1 (ko) 2022-09-08

Family

ID=68986636

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207026029A KR102441788B1 (ko) 2018-06-28 2019-06-26 강의 제조 방법

Country Status (5)

Country Link
JP (1) JP6806288B2 (ja)
KR (1) KR102441788B1 (ja)
CN (1) CN111819296A (ja)
TW (1) TWI699436B (ja)
WO (1) WO2020004501A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023062905A1 (ja) * 2021-10-12 2023-04-20 Ｊｆｅスチール株式会社 溶鉄の不純物濃度の予測方法、溶鉄の製造方法、学習済の機械学習モデルの作成方法及び溶鉄の不純物濃度の予測装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013159811A (ja) 2012-02-03 2013-08-19 Nippon Steel & Sumitomo Metal Corp 極低硫低窒素鋼の溶製方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613426A (en) * 1979-07-10 1981-02-09 Nippon Steel Corp Treatment of molten steel
JPS59190314A (ja) 1983-04-13 1984-10-29 Nippon Kokan Kk <Nkk> 低窒素キルド鋼の溶製方法
JPS6026611A (ja) 1983-07-22 1985-02-09 Nisshin Steel Co Ltd 含Ｃｒ極低窒素鋼の溶製方法
JPS6092417A (ja) * 1983-10-26 1985-05-24 Japan Metals & Chem Co Ltd 鉄−マンガン合金の精製法
JPS61166911A (ja) 1985-01-16 1986-07-28 Kawasaki Steel Corp 低窒素鋼の製造方法
JPH02285020A (ja) 1989-04-25 1990-11-22 Nkk Corp 転炉出鋼時の取鍋への空気巻き込み抑制方法
JPH0718322A (ja) * 1993-07-07 1995-01-20 Kawasaki Steel Corp 高清浄度アルミキルド鋼の精錬方法
JPH0860229A (ja) * 1994-08-16 1996-03-05 Nippon Steel Corp 溶融金属の精錬方法
JPH1192811A (ja) * 1997-09-12 1999-04-06 Sumitomo Metal Ind Ltd 溶融金属の精錬方法
JP3680660B2 (ja) * 1999-10-08 2005-08-10 住友金属工業株式会社 低窒素鋼の製造方法
JP3774674B2 (ja) * 2002-04-01 2006-05-17 新日本製鐵株式会社 低窒素含クロム溶鋼の製造方法
CN101457275B (zh) * 2009-01-08 2011-04-20 攀钢集团研究院有限公司 控制转炉工艺生产铝脱氧钢氮含量的方法
JP5605337B2 (ja) * 2010-09-15 2014-10-15 新日鐵住金株式会社 溶銑の脱硫剤及び脱硫方法
CN104046719A (zh) * 2014-06-27 2014-09-17 攀钢集团攀枝花钢钒有限公司 一种控制转炉炼钢中钢水氮含量的方法
CN105624367B (zh) * 2014-12-01 2017-07-21 鞍钢股份有限公司 一种控制钢水氮含量的精炼装置及方法
US11091839B2 (en) * 2016-03-09 2021-08-17 Nippon Steel Corporation Surface-treated steel sheet and method for producing surface-treated steel sheet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013159811A (ja) 2012-02-03 2013-08-19 Nippon Steel & Sumitomo Metal Corp 極低硫低窒素鋼の溶製方法

Also Published As

Publication number Publication date
TW202000926A (zh) 2020-01-01
CN111819296A (zh) 2020-10-23
WO2020004501A1 (ja) 2020-01-02
JPWO2020004501A1 (ja) 2020-09-17
TWI699436B (zh) 2020-07-21
JP6806288B2 (ja) 2021-01-06
KR20200118191A (ko) 2020-10-14

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