JPWO2024185211A1 - - Google Patents

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Publication number
JPWO2024185211A1
JPWO2024185211A1 JP2024546449A JP2024546449A JPWO2024185211A1 JP WO2024185211 A1 JPWO2024185211 A1 JP WO2024185211A1 JP 2024546449 A JP2024546449 A JP 2024546449A JP 2024546449 A JP2024546449 A JP 2024546449A JP WO2024185211 A1 JPWO2024185211 A1 JP WO2024185211A1
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
JP2024546449A
Other languages
Japanese (ja)
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JP7838659B2 (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.)
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Publication date
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Publication of JPWO2024185211A1 publication Critical patent/JPWO2024185211A1/ja
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Publication of JP7838659B2 publication Critical patent/JP7838659B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP2024546449A 2023-03-07 2023-11-10 溶鉄の製造方法 Active JP7838659B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023034262 2023-03-07
JP2023034262 2023-03-07
PCT/JP2023/040492 WO2024185211A1 (ja) 2023-03-07 2023-11-10 溶鉄の製造方法

Publications (2)

Publication Number Publication Date
JPWO2024185211A1 true JPWO2024185211A1 (https=) 2024-09-12
JP7838659B2 JP7838659B2 (ja) 2026-04-01

Family

ID=92674635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024546449A Active JP7838659B2 (ja) 2023-03-07 2023-11-10 溶鉄の製造方法

Country Status (6)

Country Link
EP (1) EP4653554A4 (https=)
JP (1) JP7838659B2 (https=)
KR (1) KR20250129758A (https=)
CN (1) CN120752355A (https=)
TW (1) TWI881535B (https=)
WO (1) WO2024185211A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI889598B (zh) * 2024-11-14 2025-07-01 中國鋼鐵股份有限公司 鼓風嘴結構及使用鼓風嘴結構進行噴吹操作的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000008115A (ja) * 1998-06-19 2000-01-11 Nkk Corp 冷鉄源の溶解方法
JP2003172584A (ja) * 2001-09-28 2003-06-20 Nippon Sanso Corp 粉体吹込み装置および精錬方法
JP2008179876A (ja) * 2006-03-23 2008-08-07 Jfe Steel Kk 粉体加熱バーナーランスおよびそれを用いた溶融還元方法
JP2018016832A (ja) * 2016-07-26 2018-02-01 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
WO2022234762A1 (ja) * 2021-05-07 2022-11-10 Ｊｆｅスチール株式会社 電気炉および製鋼方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4650226B2 (ja) 2005-11-16 2011-03-16 Ｊｆｅスチール株式会社 溶融還元方法
US20170280519A1 (en) * 2016-03-25 2017-09-28 Air Liquide Industrial U.S. Lp Inert gas blanketing of electrodes in an electric arc furnace
US20220162718A1 (en) * 2019-03-20 2022-05-26 I.Blu S.R.L. Method For The Production Of Metal Products Starting From Ferrous Material, By Means Of An Electric Arc Furnace
KR102639551B1 (ko) * 2019-11-06 2024-02-21 제이에프이 스틸 가부시키가이샤 전기로에 의한 용철의 제조 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000008115A (ja) * 1998-06-19 2000-01-11 Nkk Corp 冷鉄源の溶解方法
JP2003172584A (ja) * 2001-09-28 2003-06-20 Nippon Sanso Corp 粉体吹込み装置および精錬方法
JP2008179876A (ja) * 2006-03-23 2008-08-07 Jfe Steel Kk 粉体加熱バーナーランスおよびそれを用いた溶融還元方法
JP2018016832A (ja) * 2016-07-26 2018-02-01 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
WO2022234762A1 (ja) * 2021-05-07 2022-11-10 Ｊｆｅスチール株式会社 電気炉および製鋼方法

Also Published As

Publication number Publication date
CN120752355A (zh) 2025-10-03
TW202436632A (zh) 2024-09-16
KR20250129758A (ko) 2025-08-29
TWI881535B (zh) 2025-04-21
JP7838659B2 (ja) 2026-04-01
EP4653554A1 (en) 2025-11-26
WO2024185211A1 (ja) 2024-09-12
EP4653554A4 (en) 2026-05-06

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