CN117396614A - 铁液的脱磷方法 - Google Patents

铁液的脱磷方法 Download PDF

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Publication number
CN117396614A
CN117396614A CN202280036684.3A CN202280036684A CN117396614A CN 117396614 A CN117396614 A CN 117396614A CN 202280036684 A CN202280036684 A CN 202280036684A CN 117396614 A CN117396614 A CN 117396614A
Authority
CN
China
Prior art keywords
molten iron
iron
dephosphorization
slag
molten
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
CN202280036684.3A
Other languages
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 CN117396614A publication Critical patent/CN117396614A/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
    • C21C7/064—Dephosphorising; 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
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • 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
    • 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
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/08—Particular sequence of the process steps
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
CN202280036684.3A 2021-05-26 2022-04-19 铁液的脱磷方法 Pending CN117396614A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-088400 2021-05-26
JP2021088400 2021-05-26
PCT/JP2022/018163 WO2022249797A1 (ja) 2021-05-26 2022-04-19 溶鉄の脱りん方法

Publications (1)

Publication Number Publication Date
CN117396614A true CN117396614A (zh) 2024-01-12

Family

ID=84229949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280036684.3A Pending CN117396614A (zh) 2021-05-26 2022-04-19 铁液的脱磷方法

Country Status (8)

Country Link
US (1) US20240229177A1 (https=)
EP (1) EP4324940A4 (https=)
JP (1) JP7302749B2 (https=)
KR (1) KR20240010004A (https=)
CN (1) CN117396614A (https=)
BR (1) BR112023024387A2 (https=)
TW (1) TWI823400B (https=)
WO (1) WO2022249797A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026014527A1 (ja) * 2024-07-12 2026-01-15 Ｊｆｅスチール株式会社 溶鉄の脱りん方法
WO2026014528A1 (ja) * 2024-07-12 2026-01-15 Ｊｆｅスチール株式会社 溶鉄の脱りん方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980711A (ja) * 1982-09-23 1984-05-10 ナシヨナル・リサ−チ・デイベロツプメント・コ−ポレイシヨン 鉄から燐を除去する方法
JP2001107125A (ja) * 1999-09-30 2001-04-17 Sumitomo Metal Ind Ltd 精錬時のスラグフォーミングの抑制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56216A (en) * 1979-06-16 1981-01-06 Chobe Taguchi Dephosphoration of iron steel
JPS61291913A (ja) 1985-06-20 1986-12-22 Nippon Kokan Kk <Nkk> 溶鋼の脱燐方法
AT403293B (de) 1995-01-16 1997-12-29 Kct Tech Gmbh Verfahren und anlage zum herstellen von legierten stählen
BR0213573B1 (pt) * 2002-08-27 2013-11-12 Método para produção de ferro fundido com baixo teor de fósforo
JP2005089839A (ja) 2003-09-18 2005-04-07 Jfe Steel Kk 溶鋼の溶製方法
CN108950131B (zh) * 2018-07-10 2020-04-28 娄永琰 一种h13模具钢的冶炼及还原脱磷方法
CN111748673B (zh) * 2020-06-02 2021-06-11 北京科技大学 一种电弧炉炼钢用多功能氢氧烧嘴及供能控制方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980711A (ja) * 1982-09-23 1984-05-10 ナシヨナル・リサ−チ・デイベロツプメント・コ−ポレイシヨン 鉄から燐を除去する方法
JP2001107125A (ja) * 1999-09-30 2001-04-17 Sumitomo Metal Ind Ltd 精錬時のスラグフォーミングの抑制方法

Also Published As

Publication number Publication date
JP7302749B2 (ja) 2023-07-04
TWI823400B (zh) 2023-11-21
BR112023024387A2 (pt) 2024-02-15
US20240229177A1 (en) 2024-07-11
EP4324940A4 (en) 2024-11-20
JPWO2022249797A1 (https=) 2022-12-01
TW202246531A (zh) 2022-12-01
KR20240010004A (ko) 2024-01-23
EP4324940A1 (en) 2024-02-21
WO2022249797A1 (ja) 2022-12-01

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