TWI906913B - 高爐的作業方法 - Google Patents

高爐的作業方法

Info

Publication number
TWI906913B
TWI906913B TW113122443A TW113122443A TWI906913B TW I906913 B TWI906913 B TW I906913B TW 113122443 A TW113122443 A TW 113122443A TW 113122443 A TW113122443 A TW 113122443A TW I906913 B TWI906913 B TW I906913B
Authority
TW
Taiwan
Prior art keywords
blast furnace
temperature
reducing gas
hydrogen
furnace
Prior art date
Application number
TW113122443A
Other languages
English (en)
Chinese (zh)
Other versions
TW202500764A (zh
Inventor
酒井博
中野薰
Original Assignee
日商日本製鐵股份有限公司
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 日商日本製鐵股份有限公司 filed Critical 日商日本製鐵股份有限公司
Publication of TW202500764A publication Critical patent/TW202500764A/zh
Application granted granted Critical
Publication of TWI906913B publication Critical patent/TWI906913B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/002—Evacuating and treating of exhaust gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B2005/005—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
TW113122443A 2023-06-21 2024-06-18 高爐的作業方法 TWI906913B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023101584 2023-06-21
JP2023-101584 2023-06-21

Publications (2)

Publication Number Publication Date
TW202500764A TW202500764A (zh) 2025-01-01
TWI906913B true TWI906913B (zh) 2025-12-01

Family

ID=93935464

Family Applications (1)

Application Number Title Priority Date Filing Date
TW113122443A TWI906913B (zh) 2023-06-21 2024-06-18 高爐的作業方法

Country Status (6)

Country Link
EP (1) EP4733420A1 (https=)
JP (1) JPWO2024262547A1 (https=)
KR (1) KR20260011752A (https=)
CN (1) CN121368639A (https=)
TW (1) TWI906913B (https=)
WO (1) WO2024262547A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021107091A1 (ja) * 2019-11-29 2021-06-03 日本製鉄株式会社 高炉の操業方法
TW202140804A (zh) * 2020-04-27 2021-11-01 日商杰富意鋼鐵股份有限公司 製鐵設備及還原鐵之製造方法
TW202237861A (zh) * 2020-12-18 2022-10-01 盧森堡商保爾沃特股份公司 智慧氫氣生產用於直接還原鐵製造
TW202321466A (zh) * 2021-08-31 2023-06-01 日商綠淨星球股份有限公司 高爐用氫加熱裝置、高爐用氫加熱方法及高爐操作方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1438999A (en) * 1972-11-25 1976-06-09 Nippon Kokan Kk Blast furnace operating methods
JPS6448638A (en) * 1987-08-17 1989-02-23 Ryobi Ltd Production of collapsible core
JP4661890B2 (ja) * 2008-03-17 2011-03-30 Ｊｆｅスチール株式会社 高炉操業方法
JP6258039B2 (ja) * 2014-01-07 2018-01-10 新日鐵住金株式会社 高炉の操業方法
JP7055082B2 (ja) * 2018-09-14 2022-04-15 日本製鉄株式会社 高炉の操業方法
JP7105708B2 (ja) * 2019-02-18 2022-07-25 日本製鉄株式会社 還元ガスの吹込み量決定方法及び高炉の操業方法
CN210182571U (zh) 2019-04-03 2020-03-24 莱尔德电子材料(深圳)有限公司 低介电、低损耗天线罩

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021107091A1 (ja) * 2019-11-29 2021-06-03 日本製鉄株式会社 高炉の操業方法
TW202140804A (zh) * 2020-04-27 2021-11-01 日商杰富意鋼鐵股份有限公司 製鐵設備及還原鐵之製造方法
TW202237861A (zh) * 2020-12-18 2022-10-01 盧森堡商保爾沃特股份公司 智慧氫氣生產用於直接還原鐵製造
TW202321466A (zh) * 2021-08-31 2023-06-01 日商綠淨星球股份有限公司 高爐用氫加熱裝置、高爐用氫加熱方法及高爐操作方法

Also Published As

Publication number Publication date
CN121368639A (zh) 2026-01-20
TW202500764A (zh) 2025-01-01
EP4733420A1 (en) 2026-04-29
JPWO2024262547A1 (https=) 2024-12-26
WO2024262547A1 (ja) 2024-12-26
KR20260011752A (ko) 2026-01-23

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