TWI881535B - 鐵水的製造方法 - Google Patents

鐵水的製造方法 Download PDF

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Publication number
TWI881535B
TWI881535B TW112143476A TW112143476A TWI881535B TW I881535 B TWI881535 B TW I881535B TW 112143476 A TW112143476 A TW 112143476A TW 112143476 A TW112143476 A TW 112143476A TW I881535 B TWI881535 B TW I881535B
Authority
TW
Taiwan
Prior art keywords
burner
furnace
electric furnace
iron source
fuel
Prior art date
Application number
TW112143476A
Other languages
English (en)
Chinese (zh)
Other versions
TW202436632A (zh
Inventor
小笠原太
小田信彦
堤康一
中井由枝
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 TW202436632A publication Critical patent/TW202436632A/zh
Application granted granted Critical
Publication of TWI881535B publication Critical patent/TWI881535B/zh

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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)
TW112143476A 2023-03-07 2023-11-10 鐵水的製造方法 TWI881535B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023-034262 2023-03-07
JP2023034262 2023-03-07

Publications (2)

Publication Number Publication Date
TW202436632A TW202436632A (zh) 2024-09-16
TWI881535B true TWI881535B (zh) 2025-04-21

Family

ID=92674635

Family Applications (1)

Application Number Title Priority Date Filing Date
TW112143476A TWI881535B (zh) 2023-03-07 2023-11-10 鐵水的製造方法

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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017165802A1 (en) * 2016-03-25 2017-09-28 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude 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
TW202248424A (zh) * 2021-05-07 2022-12-16 日商杰富意鋼鐵股份有限公司 電爐及煉鋼方法
US20220403478A1 (en) * 2019-11-06 2022-12-22 Jfe Steel Corporation Method for manufacturing molten iron with electric arc furnace

Family Cites Families (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
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
JP4650226B2 (ja) 2005-11-16 2011-03-16 Ｊｆｅスチール株式会社 溶融還元方法
JP5087955B2 (ja) * 2006-03-23 2012-12-05 Ｊｆｅスチール株式会社 溶融還元方法
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017165802A1 (en) * 2016-03-25 2017-09-28 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude 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
US20220403478A1 (en) * 2019-11-06 2022-12-22 Jfe Steel Corporation Method for manufacturing molten iron with electric arc furnace
TW202248424A (zh) * 2021-05-07 2022-12-16 日商杰富意鋼鐵股份有限公司 電爐及煉鋼方法

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
JP7838659B2 (ja) 2026-04-01
EP4653554A1 (en) 2025-11-26
WO2024185211A1 (ja) 2024-09-12
EP4653554A4 (en) 2026-05-06

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