KR20240137632A - 용선의 제조 방법 - Google Patents

용선의 제조 방법 Download PDF

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Publication number
KR20240137632A
KR20240137632A KR1020247027658A KR20247027658A KR20240137632A KR 20240137632 A KR20240137632 A KR 20240137632A KR 1020247027658 A KR1020247027658 A KR 1020247027658A KR 20247027658 A KR20247027658 A KR 20247027658A KR 20240137632 A KR20240137632 A KR 20240137632A
Authority
KR
South Korea
Prior art keywords
carbon
iron
gas
molten iron
manufacturing
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
KR1020247027658A
Other languages
English (en)
Korean (ko)
Inventor
유지 이와미
다카히데 히구치
다이치 무라카미
Original Assignee
제이에프이 스틸 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 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Publication of KR20240137632A publication Critical patent/KR20240137632A/ko
Pending legal-status Critical Current

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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)
KR1020247027658A 2022-03-07 2023-02-28 용선의 제조 방법 Pending KR20240137632A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022034616 2022-03-07
JPJP-P-2022-034616 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
KR20240137632A true KR20240137632A (ko) 2024-09-20

Family

ID=87935235

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247027658A Pending KR20240137632A (ko) 2022-03-07 2023-02-28 용선의 제조 방법

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
KR20240134163A (ko) * 2022-03-07 2024-09-06 제이에프이 스틸 가부시키가이샤 탄재 내장 괴성광의 제조 방법 및 용선의 제조 방법

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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
비특허문헌 1 : 아리야마 타츠로, 철강에 있어서의 이산화탄소 삭감 장기 목표 달성을 향한 기술 전망, 철과 강, Vol.105, 2019, No.6, pp.567-586
비특허문헌 2 : Materials Transactions, Vol.58, No.12(2017) pp.1742 to 1748 "Development of Manufacturing Principle of Porous Iron by Carbothermic Reduction of Composite of Hematite and Biomass Char"

Also Published As

Publication number Publication date
WO2023171467A1 (ja) 2023-09-14
JPWO2023171467A1 (enrdf_load_stackoverflow) 2023-09-14
JP7416340B1 (ja) 2024-01-17
TWI853480B (zh) 2024-08-21
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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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20240819

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application