CN117377781A - 铁液的精炼方法 - Google Patents

铁液的精炼方法 Download PDF

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Publication number
CN117377781A
CN117377781A CN202280037168.2A CN202280037168A CN117377781A CN 117377781 A CN117377781 A CN 117377781A CN 202280037168 A CN202280037168 A CN 202280037168A CN 117377781 A CN117377781 A CN 117377781A
Authority
CN
China
Prior art keywords
molten iron
iron
molten
mass
concentration
Prior art date
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.)
Pending
Application number
CN202280037168.2A
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English (en)
Chinese (zh)
Inventor
小笠原太
川畑凉
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 by JFE Steel Corp filed Critical JFE Steel Corp
Publication of CN117377781A publication Critical patent/CN117377781A/zh
Pending legal-status Critical Current

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
    • 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
    • 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
    • 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
    • C21C7/072—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)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
CN202280037168.2A 2021-05-26 2022-04-19 铁液的精炼方法 Pending CN117377781A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021088031 2021-05-26
JP2021-088031 2021-05-26
PCT/JP2022/018168 WO2022249798A1 (ja) 2021-05-26 2022-04-19 溶鉄の精錬方法

Publications (1)

Publication Number Publication Date
CN117377781A true CN117377781A (zh) 2024-01-09

Family

ID=84229902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280037168.2A Pending CN117377781A (zh) 2021-05-26 2022-04-19 铁液的精炼方法

Country Status (8)

Country Link
US (1) US20240271233A1 (https=)
EP (1) EP4328330A4 (https=)
JP (1) JP7384294B2 (https=)
KR (1) KR20230162108A (https=)
CN (1) CN117377781A (https=)
BR (1) BR112023024464A2 (https=)
TW (1) TWI817507B (https=)
WO (1) WO2022249798A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102840642B1 (ko) * 2023-10-04 2025-07-31 현대제철 주식회사 냉연강판 및 그 제조방법
KR102902091B1 (ko) * 2023-12-11 2025-12-18 현대제철 주식회사 고강도 열연 강판 및 그 제조 방법
WO2026037793A1 (de) * 2024-08-14 2026-02-19 Primetals Technologies Austria GmbH Denitridierung von eisenschwamm

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH07268436A (ja) * 1994-03-31 1995-10-17 Kawasaki Steel Corp 極低窒素クロム含有鋼の溶製方法
CN101603115A (zh) * 2009-07-09 2009-12-16 武汉科技大学 一种将氢气用于钢液脱氧的工艺

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
DE2007373B2 (de) * 1970-02-18 1973-05-03 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Verfahren und konverter zum herstellen ferritischer chromstaehle
US3754894A (en) * 1972-04-20 1973-08-28 Joslyn Mfg & Supply Co Nitrogen control in argon oxygen refining of molten metal
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
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
KR20000019210A (ko) * 1998-09-09 2000-04-06 이구택 수소계가스 취입에 의한 동시 탈탄 및 탈질 방법
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
JP5428447B2 (ja) * 2008-03-31 2014-02-26 Ｊｆｅスチール株式会社 Ｒｈ真空脱ガス装置における溶鋼の精錬方法
JP5526565B2 (ja) * 2009-03-09 2014-06-18 Ｊｆｅスチール株式会社 転炉製鋼法
JP5589688B2 (ja) * 2009-09-10 2014-09-17 Ｊｆｅスチール株式会社 溶銑の製造方法
JP5910579B2 (ja) * 2013-08-01 2016-04-27 Ｊｆｅスチール株式会社 極低窒素純鉄の溶製方法
GB2553342A (en) * 2016-09-02 2018-03-07 Materials Proc Institute Producing steel
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH07268436A (ja) * 1994-03-31 1995-10-17 Kawasaki Steel Corp 極低窒素クロム含有鋼の溶製方法
CN101603115A (zh) * 2009-07-09 2009-12-16 武汉科技大学 一种将氢气用于钢液脱氧的工艺

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
刁望才;张明;徐涛;: "转炉炼钢过程中氮控制工艺研究", 包钢科技, no. 02, 25 April 2017 (2017-04-25), pages 20 - 22 *
罗莉萍 等: "《炼钢生产》", vol. 1, 29 February 2016, 冶金工业出版社, pages: 237 - 238 *
赵贝贝;: "转炉工序冶炼低氮品种钢中氮含量的控制", 河北冶金, no. 12, 28 December 2017 (2017-12-28), pages 40 - 42 *

Also Published As

Publication number Publication date
EP4328330A1 (en) 2024-02-28
EP4328330A4 (en) 2024-10-30
JP7384294B2 (ja) 2023-11-21
TW202246528A (zh) 2022-12-01
US20240271233A1 (en) 2024-08-15
BR112023024464A2 (pt) 2024-02-06
TWI817507B (zh) 2023-10-01
WO2022249798A1 (ja) 2022-12-01
KR20230162108A (ko) 2023-11-28
JPWO2022249798A1 (https=) 2022-12-01

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