JPWO2022249798A1 - - Google Patents

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Publication number
JPWO2022249798A1
JPWO2022249798A1 JP2022545913A JP2022545913A JPWO2022249798A1 JP WO2022249798 A1 JPWO2022249798 A1 JP WO2022249798A1 JP 2022545913 A JP2022545913 A JP 2022545913A JP 2022545913 A JP2022545913 A JP 2022545913A JP WO2022249798 A1 JPWO2022249798 A1 JP WO2022249798A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2022545913A
Other languages
Japanese (ja)
Other versions
JPWO2022249798A5 (zh
JP7384294B2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2022249798A1 publication Critical patent/JPWO2022249798A1/ja
Publication of JPWO2022249798A5 publication Critical patent/JPWO2022249798A5/ja
Application granted granted Critical
Publication of JP7384294B2 publication Critical patent/JP7384294B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • C21C5/35—Blowing from above and through the bath
    • 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
    • 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
    • C21C7/10—Handling in a vacuum

Landscapes

  • 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)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP2022545913A 2021-05-26 2022-04-19 溶鉄の精錬方法 Active JP7384294B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021088031 2021-05-26
JP2021088031 2021-05-26
PCT/JP2022/018168 WO2022249798A1 (ja) 2021-05-26 2022-04-19 溶鉄の精錬方法

Publications (3)

Publication Number Publication Date
JPWO2022249798A1 true JPWO2022249798A1 (zh) 2022-12-01
JPWO2022249798A5 JPWO2022249798A5 (zh) 2023-05-02
JP7384294B2 JP7384294B2 (ja) 2023-11-21

Family

ID=84229902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022545913A Active JP7384294B2 (ja) 2021-05-26 2022-04-19 溶鉄の精錬方法

Country Status (7)

Country Link
EP (1) EP4328330A1 (zh)
JP (1) JP7384294B2 (zh)
KR (1) KR20230162108A (zh)
CN (1) CN117377781A (zh)
BR (1) BR112023024464A2 (zh)
TW (1) TWI817507B (zh)
WO (1) WO2022249798A1 (zh)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147509A (ja) * 1982-02-26 1983-09-02 Kawasaki Steel Corp ステンレス鋼の溶製方法
JPS5925916A (ja) * 1982-08-02 1984-02-10 Kawasaki Steel Corp 含クロム合金銑の精錬方法
JPS60194009A (ja) * 1984-03-14 1985-10-02 Kawasaki Steel Corp ステンレス鋼の溶製方法
JPS61223117A (ja) * 1985-03-29 1986-10-03 Kawasaki Steel Corp 溶融スラグ内金属酸化物の還元回収方法
JPH04224612A (ja) * 1990-12-25 1992-08-13 Sumitomo Metal Ind Ltd 転炉精錬方法
JPH0578726A (ja) * 1991-09-26 1993-03-30 Sumitomo Metal Ind Ltd 転炉精錬方法
JP2009263783A (ja) * 2008-03-31 2009-11-12 Jfe Steel Corp Ｒｈ真空脱ガス装置における溶鋼の精錬方法
JP2010209383A (ja) * 2009-03-09 2010-09-24 Jfe Steel Corp 転炉製鋼法
JP2011080143A (ja) * 2009-09-10 2011-04-21 Jfe Steel Corp 溶銑の製造方法
JP2015030868A (ja) * 2013-08-01 2015-02-16 Ｊｆｅスチール株式会社 極低窒素純鉄の溶製方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3496529B2 (ja) 1998-07-29 2004-02-16 住友金属工業株式会社 Ｒｈ真空精錬方法
JP3922181B2 (ja) 2002-12-27 2007-05-30 Ｊｆｅスチール株式会社 高清浄鋼の溶製方法
JP5092245B2 (ja) 2006-02-09 2012-12-05 Ｊｆｅスチール株式会社 溶鋼の脱窒方法
CN109852766B (zh) * 2018-12-05 2020-11-03 敬业钢铁有限公司 一种rh炉精炼氢氧控制工艺
CN111270036A (zh) * 2020-04-05 2020-06-12 上海泰普星坦新材料有限公司 一种氢能直接还原生产海绵铁的系统和工艺方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147509A (ja) * 1982-02-26 1983-09-02 Kawasaki Steel Corp ステンレス鋼の溶製方法
JPS5925916A (ja) * 1982-08-02 1984-02-10 Kawasaki Steel Corp 含クロム合金銑の精錬方法
JPS60194009A (ja) * 1984-03-14 1985-10-02 Kawasaki Steel Corp ステンレス鋼の溶製方法
JPS61223117A (ja) * 1985-03-29 1986-10-03 Kawasaki Steel Corp 溶融スラグ内金属酸化物の還元回収方法
JPH04224612A (ja) * 1990-12-25 1992-08-13 Sumitomo Metal Ind Ltd 転炉精錬方法
JPH0578726A (ja) * 1991-09-26 1993-03-30 Sumitomo Metal Ind Ltd 転炉精錬方法
JP2009263783A (ja) * 2008-03-31 2009-11-12 Jfe Steel Corp Ｒｈ真空脱ガス装置における溶鋼の精錬方法
JP2010209383A (ja) * 2009-03-09 2010-09-24 Jfe Steel Corp 転炉製鋼法
JP2011080143A (ja) * 2009-09-10 2011-04-21 Jfe Steel Corp 溶銑の製造方法
JP2015030868A (ja) * 2013-08-01 2015-02-16 Ｊｆｅスチール株式会社 極低窒素純鉄の溶製方法

Also Published As

Publication number Publication date
BR112023024464A2 (pt) 2024-02-06
EP4328330A1 (en) 2024-02-28
TWI817507B (zh) 2023-10-01
TW202246528A (zh) 2022-12-01
JP7384294B2 (ja) 2023-11-21
WO2022249798A1 (ja) 2022-12-01
CN117377781A (zh) 2024-01-09
KR20230162108A (ko) 2023-11-28

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