JP7469716B2 - 転炉精錬方法 - Google Patents

転炉精錬方法 Download PDF

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Publication number
JP7469716B2
JP7469716B2 JP2022575615A JP2022575615A JP7469716B2 JP 7469716 B2 JP7469716 B2 JP 7469716B2 JP 2022575615 A JP2022575615 A JP 2022575615A JP 2022575615 A JP2022575615 A JP 2022575615A JP 7469716 B2 JP7469716 B2 JP 7469716B2
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JP
Japan
Prior art keywords
converter
slag
flux
cao
steel
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JP2022575615A
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English (en)
Japanese (ja)
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JPWO2022154023A1 (zh
Inventor
鉄平 田村
真広 坪井
憲一郎 内藤
邦俊 松永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
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Nippon Steel Corp
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Publication date
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Publication of JPWO2022154023A1 publication Critical patent/JPWO2022154023A1/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
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
    • 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
    • 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
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/54—Processes yielding slags of special composition
    • 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
    • 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)
JP2022575615A 2021-01-15 2022-01-12 転炉精錬方法 Active JP7469716B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021005201 2021-01-15
JP2021005201 2021-01-15
PCT/JP2022/000794 WO2022154023A1 (ja) 2021-01-15 2022-01-12 転炉精錬方法

Publications (2)

Publication Number Publication Date
JPWO2022154023A1 JPWO2022154023A1 (zh) 2022-07-21
JP7469716B2 true JP7469716B2 (ja) 2024-04-17

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ID=82448462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022575615A Active JP7469716B2 (ja) 2021-01-15 2022-01-12 転炉精錬方法

Country Status (4)

Country Link
JP (1) JP7469716B2 (zh)
KR (1) KR20230066610A (zh)
CN (1) CN116261603A (zh)
WO (1) WO2022154023A1 (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005206923A (ja) 2004-01-26 2005-08-04 Kobe Steel Ltd 溶銑の精錬方法
JP5671801B2 (ja) 2010-01-13 2015-02-18 新日鐵住金株式会社 転炉精錬方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800083C2 (de) 1977-11-28 1986-05-15 Gallaher Ltd., London Vorrichtung zur Überwachung der Oberfläche insbesondere einer Zigarette
JP2958844B2 (ja) * 1993-07-27 1999-10-06 新日本製鐵株式会社 転炉精錬方法
JP3194212B2 (ja) 1994-03-07 2001-07-30 新日本製鐵株式会社 転炉製鋼法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005206923A (ja) 2004-01-26 2005-08-04 Kobe Steel Ltd 溶銑の精錬方法
JP5671801B2 (ja) 2010-01-13 2015-02-18 新日鐵住金株式会社 転炉精錬方法

Also Published As

Publication number Publication date
KR20230066610A (ko) 2023-05-16
JPWO2022154023A1 (zh) 2022-07-21
WO2022154023A1 (ja) 2022-07-21
CN116261603A (zh) 2023-06-13

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