JP7658443B2 - 炭材内装塊成鉱の製造方法および溶銑の製造方法 - Google Patents

炭材内装塊成鉱の製造方法および溶銑の製造方法 Download PDF

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JP7658443B2
JP7658443B2 JP2023543385A JP2023543385A JP7658443B2 JP 7658443 B2 JP7658443 B2 JP 7658443B2 JP 2023543385 A JP2023543385 A JP 2023543385A JP 2023543385 A JP2023543385 A JP 2023543385A JP 7658443 B2 JP7658443 B2 JP 7658443B2
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carbon
iron
producing
carbonaceous
raw material
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JPWO2023171468A5 (https=
JPWO2023171468A1 (https=
Inventor
友司 岩見
隆英 樋口
太一 村上
料太 東
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JFE Steel Corp
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JFE Steel Corp
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24Binding; Briquetting ; Granulating
    • C22B1/242Binding; Briquetting ; Granulating with binders
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B11/00Making pig-iron other than in blast furnaces
    • C21B11/02Making pig-iron other than in blast furnaces in low shaft furnaces or shaft furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/004Making spongy iron or liquid steel, by direct processes in a continuous way by reduction from ores
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/006Starting from ores containing non ferrous metallic oxides
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0066Preliminary conditioning of the solid carbonaceous reductant
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0073Selection or treatment of the reducing gases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/02Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/023Making spongy iron or liquid steel, by direct processes in shaft furnaces wherein iron or steel is obtained in a molten state
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/008Composition or distribution of the charge
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24Binding; Briquetting ; Granulating
    • C22B1/242Binding; Briquetting ; Granulating with binders
    • C22B1/243Binding; Briquetting ; Granulating with binders inorganic
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24Binding; Briquetting ; Granulating
    • C22B1/242Binding; Briquetting ; Granulating with binders
    • C22B1/244Binding; Briquetting ; Granulating with binders organic
    • C22B1/245Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/10Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22Increasing the gas reduction potential of recycled exhaust gases by reforming
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44Removing particles, e.g. by scrubbing, dedusting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
JP2023543385A 2022-03-07 2023-02-28 炭材内装塊成鉱の製造方法および溶銑の製造方法 Active JP7658443B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022034562 2022-03-07
JP2022034562 2022-03-07
PCT/JP2023/007401 WO2023171468A1 (ja) 2022-03-07 2023-02-28 炭材内装塊成鉱の製造方法および溶銑の製造方法

Publications (3)

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JPWO2023171468A1 JPWO2023171468A1 (https=) 2023-09-14
JPWO2023171468A5 JPWO2023171468A5 (https=) 2024-02-15
JP7658443B2 true JP7658443B2 (ja) 2025-04-08

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US (1) US20250137080A1 (https=)
EP (1) EP4471166A4 (https=)
JP (1) JP7658443B2 (https=)
KR (1) KR20240134163A (https=)
CN (1) CN118679270A (https=)
AU (1) AU2023230374B2 (https=)
CA (1) CA3251848A1 (https=)
TW (1) TWI841276B (https=)
WO (1) WO2023171468A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025177714A (ja) * 2024-05-24 2025-12-05 Jfeスチール株式会社 炭材内装鉱の製造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001064709A (ja) 1999-08-26 2001-03-13 Sumitomo Metal Ind Ltd 溶銑の製造方法
JP2003183715A (ja) 2001-12-12 2003-07-03 Kobe Steel Ltd 溶融金属製造方法
JP2009035820A (ja) 2007-07-10 2009-02-19 Kobe Steel Ltd 炭材内装酸化鉄塊成化物およびその製造方法、ならびに還元鉄または金属鉄の製造方法
JP2013510064A (ja) 2009-11-05 2013-03-21 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 水性ガスシフト反応プロセス
JP2016125125A (ja) 2015-01-08 2016-07-11 Jfeスチール株式会社 焼結鉱製造用の炭材内装造粒粒子とその製造方法および焼結鉱の製造方法
JP2017193742A (ja) 2016-04-20 2017-10-26 Jfeスチール株式会社 炭素内装鉱の製造方法
JP7416340B1 (ja) 2022-03-07 2024-01-17 Jfeスチール株式会社 溶銑の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012062505A (ja) * 2010-09-14 2012-03-29 Kobe Steel Ltd 塊成物の製造方法
JP5835144B2 (ja) 2012-07-30 2015-12-24 新日鐵住金株式会社 高炉用非焼成含炭塊成鉱の製造方法
BR112016000103B1 (pt) 2013-07-10 2020-05-12 Jfe Steel Corporation Partículas granuladas contendo material de carbono para fabricar minério sinterizado, e métodos para produzir as mesmas e para produzir minério sinterizado
JP6994751B2 (ja) 2017-06-21 2022-02-04 国立大学法人北海道大学 炭材内装多孔質鉱石およびその製造方法
JP6939667B2 (ja) 2018-03-16 2021-09-22 日本製鉄株式会社 炭材内装鉱及びその製造方法
KR102289529B1 (ko) * 2019-09-24 2021-08-12 현대제철 주식회사 탄재내장펠렛용 조성물 및 이를 이용한 탄재내장펠렛 제조방법

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001064709A (ja) 1999-08-26 2001-03-13 Sumitomo Metal Ind Ltd 溶銑の製造方法
JP2003183715A (ja) 2001-12-12 2003-07-03 Kobe Steel Ltd 溶融金属製造方法
JP2009035820A (ja) 2007-07-10 2009-02-19 Kobe Steel Ltd 炭材内装酸化鉄塊成化物およびその製造方法、ならびに還元鉄または金属鉄の製造方法
JP2013510064A (ja) 2009-11-05 2013-03-21 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 水性ガスシフト反応プロセス
JP2016125125A (ja) 2015-01-08 2016-07-11 Jfeスチール株式会社 焼結鉱製造用の炭材内装造粒粒子とその製造方法および焼結鉱の製造方法
JP2017193742A (ja) 2016-04-20 2017-10-26 Jfeスチール株式会社 炭素内装鉱の製造方法
JP7416340B1 (ja) 2022-03-07 2024-01-17 Jfeスチール株式会社 溶銑の製造方法

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EP4471166A1 (en) 2024-12-04
AU2023230374A1 (en) 2024-09-12
AU2023230374B2 (en) 2026-01-08
CN118679270A (zh) 2024-09-20
TW202340485A (zh) 2023-10-16
WO2023171468A1 (ja) 2023-09-14
EP4471166A4 (en) 2025-10-01
KR20240134163A (ko) 2024-09-06
TWI841276B (zh) 2024-05-01
US20250137080A1 (en) 2025-05-01
JPWO2023171468A1 (https=) 2023-09-14
CA3251848A1 (en) 2025-03-04

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