JP7737064B1 - 還元鉄の製造方法及びシャフト炉 - Google Patents

還元鉄の製造方法及びシャフト炉

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Publication number
JP7737064B1
JP7737064B1 JP2024553895A JP2024553895A JP7737064B1 JP 7737064 B1 JP7737064 B1 JP 7737064B1 JP 2024553895 A JP2024553895 A JP 2024553895A JP 2024553895 A JP2024553895 A JP 2024553895A JP 7737064 B1 JP7737064 B1 JP 7737064B1
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Japan
Prior art keywords
shaft furnace
gas
action
raw material
furnace
Prior art date
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JP2024553895A
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English (en)
Japanese (ja)
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JPWO2025158579A1 (https=
Inventor
克行 冨田
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.)
Nippon Steel Corp
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Nippon Steel Corp
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Publication date
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Publication of JPWO2025158579A1 publication Critical patent/JPWO2025158579A1/ja
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Publication of JP7737064B1 publication Critical patent/JP7737064B1/ja
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
JP2024553895A 2024-01-24 2024-01-24 還元鉄の製造方法及びシャフト炉 Active JP7737064B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2024/002065 WO2025158579A1 (ja) 2024-01-24 2024-01-24 還元鉄の製造方法及びシャフト炉

Publications (2)

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JPWO2025158579A1 JPWO2025158579A1 (https=) 2025-07-31
JP7737064B1 true JP7737064B1 (ja) 2025-09-10

Family

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JP2024553895A Active JP7737064B1 (ja) 2024-01-24 2024-01-24 還元鉄の製造方法及びシャフト炉

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Country Link
JP (1) JP7737064B1 (https=)
WO (1) WO2025158579A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5562106A (en) * 1978-10-30 1980-05-10 Nippon Steel Corp Raw material charging method for blast furnace
JPS62294127A (ja) * 1986-06-13 1987-12-21 Kobe Steel Ltd シヤフト炉における酸化鉄還元方法
JP2015199984A (ja) * 2014-04-08 2015-11-12 新日鐵住金株式会社 高炉の操業方法
WO2021230307A1 (ja) * 2020-05-14 2021-11-18 日本製鉄株式会社 還元鉄の製造方法
WO2022264666A1 (ja) * 2021-06-15 2022-12-22 Ｊｆｅスチール株式会社 シャフト炉の操業方法及び還元鉄の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5562106A (en) * 1978-10-30 1980-05-10 Nippon Steel Corp Raw material charging method for blast furnace
JPS62294127A (ja) * 1986-06-13 1987-12-21 Kobe Steel Ltd シヤフト炉における酸化鉄還元方法
JP2015199984A (ja) * 2014-04-08 2015-11-12 新日鐵住金株式会社 高炉の操業方法
WO2021230307A1 (ja) * 2020-05-14 2021-11-18 日本製鉄株式会社 還元鉄の製造方法
WO2022264666A1 (ja) * 2021-06-15 2022-12-22 Ｊｆｅスチール株式会社 シャフト炉の操業方法及び還元鉄の製造方法

Also Published As

Publication number Publication date
WO2025158579A1 (ja) 2025-07-31
JPWO2025158579A1 (https=) 2025-07-31

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