JPWO2022249797A1 - - Google Patents

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Publication number
JPWO2022249797A1
JPWO2022249797A1 JP2022547077A JP2022547077A JPWO2022249797A1 JP WO2022249797 A1 JPWO2022249797 A1 JP WO2022249797A1 JP 2022547077 A JP2022547077 A JP 2022547077A JP 2022547077 A JP2022547077 A JP 2022547077A JP WO2022249797 A1 JPWO2022249797 A1 JP WO2022249797A1
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
JP2022547077A
Other languages
Japanese (ja)
Other versions
JP7302749B2 (ja
JPWO2022249797A5 (https=
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 JPWO2022249797A1 publication Critical patent/JPWO2022249797A1/ja
Publication of JPWO2022249797A5 publication Critical patent/JPWO2022249797A5/ja
Application granted granted Critical
Publication of JP7302749B2 publication Critical patent/JP7302749B2/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
    • 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)
JP2022547077A 2021-05-26 2022-04-19 溶鉄の脱りん方法 Active JP7302749B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021088400 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 (3)

Publication Number Publication Date
JPWO2022249797A1 true JPWO2022249797A1 (https=) 2022-12-01
JPWO2022249797A5 JPWO2022249797A5 (https=) 2023-05-02
JP7302749B2 JP7302749B2 (ja) 2023-07-04

Family

ID=84229949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022547077A Active JP7302749B2 (ja) 2021-05-26 2022-04-19 溶鉄の脱りん方法

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 (3)

* 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
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (3)

* 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
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
CN117396614A (zh) 2024-01-12
TW202246531A (zh) 2022-12-01
KR20240010004A (ko) 2024-01-23
EP4324940A1 (en) 2024-02-21
WO2022249797A1 (ja) 2022-12-01

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