TWI881534B - 鐵水的製造方法 - Google Patents

鐵水的製造方法 Download PDF

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Publication number
TWI881534B
TWI881534B TW112143468A TW112143468A TWI881534B TW I881534 B TWI881534 B TW I881534B TW 112143468 A TW112143468 A TW 112143468A TW 112143468 A TW112143468 A TW 112143468A TW I881534 B TWI881534 B TW I881534B
Authority
TW
Taiwan
Prior art keywords
burner
furnace
preheating chamber
chamber
preheating
Prior art date
Application number
TW112143468A
Other languages
English (en)
Chinese (zh)
Other versions
TW202436631A (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 TW202436631A publication Critical patent/TW202436631A/zh
Application granted granted Critical
Publication of TWI881534B publication Critical patent/TWI881534B/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
    • 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
    • C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric 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
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • 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
    • 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
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/562—Manufacture of steel by other methods starting from scrap
    • C21C5/565—Preheating of scrap
    • 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
    • C21C2100/00—Exhaust gas
    • C21C2100/04—Recirculation of the exhaust gas
    • 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
    • C21C2100/00—Exhaust gas
    • C21C2100/06—Energy from waste gas used in other processes

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)
TW112143468A 2023-03-07 2023-11-10 鐵水的製造方法 TWI881534B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023034273 2023-03-07
JP2023-034273 2023-03-07

Publications (2)

Publication Number Publication Date
TW202436631A TW202436631A (zh) 2024-09-16
TWI881534B true TWI881534B (zh) 2025-04-21

Family

ID=92674643

Family Applications (1)

Application Number Title Priority Date Filing Date
TW112143468A TWI881534B (zh) 2023-03-07 2023-11-10 鐵水的製造方法

Country Status (6)

Country Link
EP (1) EP4656742A1 (https=)
JP (1) JP7772242B2 (https=)
KR (1) KR20250126114A (https=)
CN (1) CN120813708A (https=)
TW (1) TWI881534B (https=)
WO (1) WO2024185210A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201738385A (zh) * 2016-03-31 2017-11-01 大陽日酸股份有限公司 冷鐵源的熔解、精鍊爐及熔解、精鍊爐的操作方法
WO2020063671A1 (zh) * 2018-09-27 2020-04-02 宝山钢铁股份有限公司 一种采用电炉冶炼低氮钢的方法
US20210364237A1 (en) * 2017-07-11 2021-11-25 Air Products And Chemicals, Inc. Methods for Preheating Metal-Containing Pellets
TW202235631A (zh) * 2021-02-10 2022-09-16 日商杰富意鋼鐵股份有限公司 帶有影像裝置的電爐
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

Family Cites Families (4)

* 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
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201738385A (zh) * 2016-03-31 2017-11-01 大陽日酸股份有限公司 冷鐵源的熔解、精鍊爐及熔解、精鍊爐的操作方法
US20210364237A1 (en) * 2017-07-11 2021-11-25 Air Products And Chemicals, Inc. Methods for Preheating Metal-Containing Pellets
WO2020063671A1 (zh) * 2018-09-27 2020-04-02 宝山钢铁股份有限公司 一种采用电炉冶炼低氮钢的方法
TW202235631A (zh) * 2021-02-10 2022-09-16 日商杰富意鋼鐵股份有限公司 帶有影像裝置的電爐
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
KR20250126114A (ko) 2025-08-22
JPWO2024185210A1 (https=) 2024-09-12
CN120813708A (zh) 2025-10-17
JP7772242B2 (ja) 2025-11-18
WO2024185210A1 (ja) 2024-09-12
EP4656742A1 (en) 2025-12-03
TW202436631A (zh) 2024-09-16

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