JP7838659B2 - 溶鉄の製造方法 - Google Patents

溶鉄の製造方法

Info

Publication number
JP7838659B2
JP7838659B2 JP2024546449A JP2024546449A JP7838659B2 JP 7838659 B2 JP7838659 B2 JP 7838659B2 JP 2024546449 A JP2024546449 A JP 2024546449A JP 2024546449 A JP2024546449 A JP 2024546449A JP 7838659 B2 JP7838659 B2 JP 7838659B2
Authority
JP
Japan
Prior art keywords
burner
furnace
electric furnace
heat
fuel
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.)
Active
Application number
JP2024546449A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024185211A1 (https=
Inventor
太 小笠原
信彦 小田
康一 堤
由枝 中井
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 JPWO2024185211A1 publication Critical patent/JPWO2024185211A1/ja
Application granted granted Critical
Publication of JP7838659B2 publication Critical patent/JP7838659B2/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
    • 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 JPWO2024185211A1 (https=) 2024-09-12
JP7838659B2 true 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
JPWO2024185211A1 (https=) 2024-09-12
KR20250129758A (ko) 2025-08-29
TWI881535B (zh) 2025-04-21
EP4653554A1 (en) 2025-11-26
WO2024185211A1 (ja) 2024-09-12
EP4653554A4 (en) 2026-05-06

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