CN118696134A - 铁液的制造方法 - Google Patents

铁液的制造方法 Download PDF

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Publication number
CN118696134A
CN118696134A CN202380021349.0A CN202380021349A CN118696134A CN 118696134 A CN118696134 A CN 118696134A CN 202380021349 A CN202380021349 A CN 202380021349A CN 118696134 A CN118696134 A CN 118696134A
Authority
CN
China
Prior art keywords
carbon
iron
gas
molten iron
porous material
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
CN202380021349.0A
Other languages
English (en)
Chinese (zh)
Inventor
岩见友司
樋口隆英
村上太一
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.)
JFE Steel Corp
Original Assignee
JFE 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of CN118696134A publication Critical patent/CN118696134A/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
    • C21B5/06—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
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/02—Making pig-iron other than in blast furnaces in low shaft furnaces or shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • 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
    • C21B7/002—Evacuating and treating of exhaust gases
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • 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
    • 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
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • 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
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
CN202380021349.0A 2022-03-07 2023-02-28 铁液的制造方法 Pending CN118696134A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-034616 2022-03-07
JP2022034616 2022-03-07
PCT/JP2023/007389 WO2023171467A1 (ja) 2022-03-07 2023-02-28 溶銑の製造方法

Publications (1)

Publication Number Publication Date
CN118696134A true CN118696134A (zh) 2024-09-24

Family

ID=87935235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380021349.0A Pending CN118696134A (zh) 2022-03-07 2023-02-28 铁液的制造方法

Country Status (8)

Country Link
US (1) US20250179594A1 (enrdf_load_stackoverflow)
EP (1) EP4464799A1 (enrdf_load_stackoverflow)
JP (1) JP7416340B1 (enrdf_load_stackoverflow)
KR (1) KR20240137632A (enrdf_load_stackoverflow)
CN (1) CN118696134A (enrdf_load_stackoverflow)
AU (1) AU2023230580A1 (enrdf_load_stackoverflow)
TW (1) TWI853480B (enrdf_load_stackoverflow)
WO (1) WO2023171467A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250137080A1 (en) * 2022-03-07 2025-05-01 Jfe Steel Corporation Method for manufacturing carbonaceous material-containing agglomerate ore, and method for manufacturing molten pig iron

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4996105B2 (ja) * 2006-02-09 2012-08-08 株式会社神戸製鋼所 竪型炉用炭材内装塊成鉱
JP2012036029A (ja) * 2010-08-04 2012-02-23 Mitsui Mining & Smelting Co Ltd 製鉄所における二酸化炭素からの一酸化炭素への変換システム
JP2012067332A (ja) * 2010-09-21 2012-04-05 Jfe Steel Corp 製鉄用非焼成炭材内装塊成鉱
CN110184405B (zh) * 2019-06-04 2024-05-14 甘肃酒钢集团宏兴钢铁股份有限公司 一种采用酸性含碳金属化球团生产铁水的方法及其装置
CN111690786B (zh) * 2020-07-07 2021-08-13 新疆八一钢铁股份有限公司 一种三段式冶炼铁水的欧冶炉炼铁方法
CN111926133B (zh) * 2020-10-10 2021-01-08 中国恩菲工程技术有限公司 铁基矿物的熔炼方法及熔炼装置

Also Published As

Publication number Publication date
US20250179594A1 (en) 2025-06-05
KR20240137632A (ko) 2024-09-20
WO2023171467A1 (ja) 2023-09-14
JP7416340B1 (ja) 2024-01-17
EP4464799A1 (en) 2024-11-20
JPWO2023171467A1 (enrdf_load_stackoverflow) 2023-09-14
TW202336238A (zh) 2023-09-16
AU2023230580A1 (en) 2024-09-19
TWI853480B (zh) 2024-08-21

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