JP7799234B1 - 高炉、高炉用羽口及び高炉への還元ガス供給方法 - Google Patents

高炉、高炉用羽口及び高炉への還元ガス供給方法

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Publication number
JP7799234B1
JP7799234B1 JP2025546909A JP2025546909A JP7799234B1 JP 7799234 B1 JP7799234 B1 JP 7799234B1 JP 2025546909 A JP2025546909 A JP 2025546909A JP 2025546909 A JP2025546909 A JP 2025546909A JP 7799234 B1 JP7799234 B1 JP 7799234B1
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Japan
Prior art keywords
reducing gas
blast furnace
tuyere
gas injection
outlet
Prior art date
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JP2025546909A
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English (en)
Japanese (ja)
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JPWO2025225453A5 (https=
JPWO2025225453A1 (https=
Inventor
翔太 菅原
新之介 今野
博 酒井
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of JPWO2025225453A1 publication Critical patent/JPWO2025225453A1/ja
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Publication of JP7799234B1 publication Critical patent/JP7799234B1/ja
Publication of JPWO2025225453A5 publication Critical patent/JPWO2025225453A5/ja
Active legal-status Critical Current
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
JP2025546909A 2024-04-22 2025-04-15 高炉、高炉用羽口及び高炉への還元ガス供給方法 Active JP7799234B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2024069254 2024-04-22
JP2024069254 2024-04-22
PCT/JP2025/014780 WO2025225453A1 (ja) 2024-04-22 2025-04-15 高炉、高炉用羽口及び高炉への還元ガス供給方法

Publications (3)

Publication Number Publication Date
JPWO2025225453A1 JPWO2025225453A1 (https=) 2025-10-30
JP7799234B1 true JP7799234B1 (ja) 2026-01-15
JPWO2025225453A5 JPWO2025225453A5 (https=) 2026-04-01

Family

ID=97490253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025546909A Active JP7799234B1 (ja) 2024-04-22 2025-04-15 高炉、高炉用羽口及び高炉への還元ガス供給方法

Country Status (3)

Country Link
JP (1) JP7799234B1 (https=)
TW (1) TW202548031A (https=)
WO (1) WO2025225453A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006241586A (ja) * 2004-09-30 2006-09-14 Jfe Steel Kk 高炉への還元材吹込み装置、該装置を用いた高炉操業方法
WO2022270027A1 (ja) * 2021-06-23 2022-12-29 Ｊｆｅスチール株式会社 気体還元材の吹込み方法および高炉用羽口

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006241586A (ja) * 2004-09-30 2006-09-14 Jfe Steel Kk 高炉への還元材吹込み装置、該装置を用いた高炉操業方法
WO2022270027A1 (ja) * 2021-06-23 2022-12-29 Ｊｆｅスチール株式会社 気体還元材の吹込み方法および高炉用羽口

Also Published As

Publication number Publication date
TW202548031A (zh) 2025-12-16
WO2025225453A1 (ja) 2025-10-30
JPWO2025225453A1 (https=) 2025-10-30

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