KR20250129758A - 용철의 제조 방법 - Google Patents

용철의 제조 방법

Info

Publication number
KR20250129758A
KR20250129758A KR1020257025489A KR20257025489A KR20250129758A KR 20250129758 A KR20250129758 A KR 20250129758A KR 1020257025489 A KR1020257025489 A KR 1020257025489A KR 20257025489 A KR20257025489 A KR 20257025489A KR 20250129758 A KR20250129758 A KR 20250129758A
Authority
KR
South Korea
Prior art keywords
burner
furnace
electric furnace
iron source
cold iron
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
KR1020257025489A
Other languages
English (en)
Korean (ko)
Inventor
후토시 오가사와라
노부히코 오다
고이치 츠츠미
요시에 나카이
Original Assignee
제이에프이 스틸 가부시키가이샤
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 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Publication of KR20250129758A publication Critical patent/KR20250129758A/ko
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
    • 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)
KR1020257025489A 2023-03-07 2023-11-10 용철의 제조 방법 Pending KR20250129758A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023034262 2023-03-07
JPJP-P-2023-034262 2023-03-07
PCT/JP2023/040492 WO2024185211A1 (ja) 2023-03-07 2023-11-10 溶鉄の製造方法

Publications (1)

Publication Number Publication Date
KR20250129758A true KR20250129758A (ko) 2025-08-29

Family

ID=92674635

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257025489A Pending KR20250129758A (ko) 2023-03-07 2023-11-10 용철의 제조 방법

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007138207A (ja) 2005-11-16 2007-06-07 Jfe Steel Kk 溶融還元方法
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

Family Cites Families (7)

* 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
JP4019117B2 (ja) * 2001-09-28 2007-12-12 大陽日酸株式会社 粉体吹込み装置および精錬方法
US20170280519A1 (en) * 2016-03-25 2017-09-28 Air Liquide Industrial U.S. Lp Inert gas blanketing of electrodes in an electric arc furnace
JP6504370B2 (ja) * 2016-07-26 2019-04-24 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
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
CN117280048A (zh) * 2021-05-07 2023-12-22 杰富意钢铁株式会社 电炉及制钢方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007138207A (ja) 2005-11-16 2007-06-07 Jfe Steel Kk 溶融還元方法
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

Also Published As

Publication number Publication date
CN120752355A (zh) 2025-10-03
TW202436632A (zh) 2024-09-16
JPWO2024185211A1 (https=) 2024-09-12
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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