KR20260011752A - 고로의 조업 방법 - Google Patents

고로의 조업 방법

Info

Publication number
KR20260011752A
KR20260011752A KR1020257041961A KR20257041961A KR20260011752A KR 20260011752 A KR20260011752 A KR 20260011752A KR 1020257041961 A KR1020257041961 A KR 1020257041961A KR 20257041961 A KR20257041961 A KR 20257041961A KR 20260011752 A KR20260011752 A KR 20260011752A
Authority
KR
South Korea
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
KR1020257041961A
Other languages
English (en)
Korean (ko)
Inventor
히로시 사카이
가오루 나카노
Original Assignee
닛폰세이테츠 가부시키가이샤
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 닛폰세이테츠 가부시키가이샤 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20260011752A publication Critical patent/KR20260011752A/ko
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)
KR1020257041961A 2023-06-21 2024-06-19 고로의 조업 방법 Pending KR20260011752A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2023-101584 2023-06-21
JP2023101584 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
KR20260011752A true KR20260011752A (ko) 2026-01-23

Family

ID=93935464

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257041961A Pending KR20260011752A (ko) 2023-06-21 2024-06-19 고로의 조업 방법

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 (1)

* 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

Family Cites Families (9)

* 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
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

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
CN121368639A (zh) 2026-01-20
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

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