CN121368639A - 高炉的操作方法 - Google Patents

高炉的操作方法

Info

Publication number
CN121368639A
CN121368639A CN202480040872.2A CN202480040872A CN121368639A CN 121368639 A CN121368639 A CN 121368639A CN 202480040872 A CN202480040872 A CN 202480040872A CN 121368639 A CN121368639 A CN 121368639A
Authority
CN
China
Prior art keywords
blast furnace
gas
tuyere
temperature
hydrogen
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202480040872.2A
Other languages
English (en)
Chinese (zh)
Inventor
酒井博
中野薫
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 and Sumitomo Metal 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 and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of CN121368639A publication Critical patent/CN121368639A/zh
Pending legal-status Critical Current

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)
CN202480040872.2A 2023-06-21 2024-06-19 高炉的操作方法 Pending CN121368639A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023101584 2023-06-21
JP2023-101584 2023-06-21
PCT/JP2024/022266 WO2024262547A1 (ja) 2023-06-21 2024-06-19 高炉の操業方法

Publications (1)

Publication Number Publication Date
CN121368639A true CN121368639A (zh) 2026-01-20

Family

ID=93935464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480040872.2A Pending CN121368639A (zh) 2023-06-21 2024-06-19 高炉的操作方法

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=)

Family Cites Families (10)

* 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
AU2020393659B2 (en) * 2019-11-29 2023-07-20 Jfe Steel Corporation Blast furnace operation method
EP4144868B1 (en) * 2020-04-27 2024-07-24 JFE Steel Corporation Steelmaking line and method of producing reduced iron
JP2023035266A (ja) * 2021-08-31 2023-03-13 株式会社クリーンプラネット 高炉用水素加熱装置、高炉用水素加熱方法および高炉操業方法

Also Published As

Publication number Publication date
TW202500764A (zh) 2025-01-01
TWI906913B (zh) 2025-12-01
EP4733420A1 (en) 2026-04-29
JPWO2024262547A1 (https=) 2024-12-26
WO2024262547A1 (ja) 2024-12-26
KR20260011752A (ko) 2026-01-23

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