JP7416340B1 - 溶銑の製造方法 - Google Patents

溶銑の製造方法 Download PDF

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Publication number
JP7416340B1
JP7416340B1 JP2023533975A JP2023533975A JP7416340B1 JP 7416340 B1 JP7416340 B1 JP 7416340B1 JP 2023533975 A JP2023533975 A JP 2023533975A JP 2023533975 A JP2023533975 A JP 2023533975A JP 7416340 B1 JP7416340 B1 JP 7416340B1
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Japan
Prior art keywords
carbon
gas
iron
hot metal
raw material
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JP2023533975A
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English (en)
Japanese (ja)
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JPWO2023171467A1 (enrdf_load_stackoverflow
JPWO2023171467A5 (enrdf_load_stackoverflow
Inventor
友司 岩見
隆英 樋口
太一 村上
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JFE Steel Corp
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JFE Steel Corp
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Application granted granted Critical
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Publication of JPWO2023171467A5 publication Critical patent/JPWO2023171467A5/ja
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    • 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

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  • 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)
JP2023533975A 2022-03-07 2023-02-28 溶銑の製造方法 Active JP7416340B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022034616 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 (3)

Publication Number Publication Date
JPWO2023171467A1 JPWO2023171467A1 (enrdf_load_stackoverflow) 2023-09-14
JP7416340B1 true JP7416340B1 (ja) 2024-01-17
JPWO2023171467A5 JPWO2023171467A5 (enrdf_load_stackoverflow) 2024-02-15

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ID=87935235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023533975A Active JP7416340B1 (ja) 2022-03-07 2023-02-28 溶銑の製造方法

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023171468A1 (enrdf_load_stackoverflow) * 2022-03-07 2023-09-14

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007211296A (ja) 2006-02-09 2007-08-23 Kobe Steel Ltd 竪型炉用炭材内装塊成鉱およびその製造方法
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007211296A (ja) 2006-02-09 2007-08-23 Kobe Steel Ltd 竪型炉用炭材内装塊成鉱およびその製造方法
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
柏谷悦章ら，一酸化炭素から純鉄板上へ析出した炭素の形態と繊維状炭素の析出機構，日本金属学会誌，日本，日本金属学会，1988年11月，Vol.52, No.11，p.1103-1112

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023171468A1 (enrdf_load_stackoverflow) * 2022-03-07 2023-09-14
JP7658443B2 (ja) 2022-03-07 2025-04-08 Ｊｆｅスチール株式会社 炭材内装塊成鉱の製造方法および溶銑の製造方法

Also Published As

Publication number Publication date
WO2023171467A1 (ja) 2023-09-14
JPWO2023171467A1 (enrdf_load_stackoverflow) 2023-09-14
TWI853480B (zh) 2024-08-21
KR20240137632A (ko) 2024-09-20
TW202336238A (zh) 2023-09-16
AU2023230580A1 (en) 2024-09-19
US20250179594A1 (en) 2025-06-05
CN118696134A (zh) 2024-09-24
EP4464799A1 (en) 2024-11-20

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