TWI823400B - 鐵水的脫磷方法 - Google Patents

鐵水的脫磷方法 Download PDF

Info

Publication number
TWI823400B
TWI823400B TW111119070A TW111119070A TWI823400B TW I823400 B TWI823400 B TW I823400B TW 111119070 A TW111119070 A TW 111119070A TW 111119070 A TW111119070 A TW 111119070A TW I823400 B TWI823400 B TW I823400B
Authority
TW
Taiwan
Prior art keywords
molten iron
iron
molten
dephosphorization
slag
Prior art date
Application number
TW111119070A
Other languages
English (en)
Chinese (zh)
Other versions
TW202246531A (zh
Inventor
小笠原太
川畑涼
Original Assignee
日商杰富意鋼鐵股份有限公司
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 日商杰富意鋼鐵股份有限公司 filed Critical 日商杰富意鋼鐵股份有限公司
Publication of TW202246531A publication Critical patent/TW202246531A/zh
Application granted granted Critical
Publication of TWI823400B publication Critical patent/TWI823400B/zh

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)
TW111119070A 2021-05-26 2022-05-23 鐵水的脫磷方法 TWI823400B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-088400 2021-05-26
JP2021088400 2021-05-26

Publications (2)

Publication Number Publication Date
TW202246531A TW202246531A (zh) 2022-12-01
TWI823400B true TWI823400B (zh) 2023-11-21

Family

ID=84229949

Family Applications (1)

Application Number Title Priority Date Filing Date
TW111119070A TWI823400B (zh) 2021-05-26 2022-05-23 鐵水的脫磷方法

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 (4)

* 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
CN108950131A (zh) * 2018-07-10 2018-12-07 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

Family Cites Families (5)

* 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

Patent Citations (4)

* 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
CN108950131A (zh) * 2018-07-10 2018-12-07 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

Also Published As

Publication number Publication date
JP7302749B2 (ja) 2023-07-04
BR112023024387A2 (pt) 2024-02-15
US20240229177A1 (en) 2024-07-11
EP4324940A4 (en) 2024-11-20
JPWO2022249797A1 (https=) 2022-12-01
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

Similar Documents

Publication Publication Date Title
CN1074712A (zh) 精炼高纯度钢的方法
JP7211454B2 (ja) 溶鋼の脱窒方法、脱窒及び脱硫同時処理方法および鋼の製造方法
TWI817507B (zh) 鐵水的精煉方法
TWI823400B (zh) 鐵水的脫磷方法
JP2015178646A (ja) 低硫鋼の溶製方法
JP2012184501A (ja) 溶鋼の脱硫方法
TWI828175B (zh) 熔鋼之脫氮方法及鋼之製造方法
JP5200380B2 (ja) 溶鋼の脱硫方法
JP7235070B2 (ja) 溶鋼の二次精錬方法および鋼の製造方法
CN101379202A (zh) 超低硫高清净钢的熔炼方法
RU2836118C2 (ru) Способ дефосфоризации расплавленного железосодержащего сырья
JP2006152368A (ja) 低炭素高マンガン鋼の溶製方法
JPH0987732A (ja) 溶鋼の精錬方法
TWI921247B (zh) 鐵水的脫磷方法
JPH08225824A (ja) 溶鋼の脱硫方法
JPH05230516A (ja) 極低炭素鋼の溶製方法
RU2835511C2 (ru) Способ рафинирования расплавленного железа
KR101018167B1 (ko) 저류강의 제조방법
TW202613319A (zh) 鐵水的脫磷方法
JP7468567B2 (ja) 溶鋼の脱窒処理方法
TW202605164A (zh) 鐵水的脫磷方法
WO2026014528A1 (ja) 溶鉄の脱りん方法
TW202613320A (zh) 鐵水的脫磷方法
JP2005200762A (ja) 溶銑の脱硫方法
WO2026014527A1 (ja) 溶鉄の脱りん方法