JP7424339B2 - 塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法 - Google Patents

塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法 Download PDF

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JP7424339B2
JP7424339B2 JP2021061965A JP2021061965A JP7424339B2 JP 7424339 B2 JP7424339 B2 JP 7424339B2 JP 2021061965 A JP2021061965 A JP 2021061965A JP 2021061965 A JP2021061965 A JP 2021061965A JP 7424339 B2 JP7424339 B2 JP 7424339B2
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Japan
Prior art keywords
raw material
producing
material particles
agglomerate
iron
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JP2021061965A
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English (en)
Japanese (ja)
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JP2022157632A (ja
Inventor
隆英 樋口
哲也 山本
光輝 照井
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JFE Steel Corp
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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.)
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Publication date
Priority to JP2021061965A priority Critical patent/JP7424339B2/ja
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Priority to EP21935167.3A priority patent/EP4317464A4/en
Priority to CA3212055A priority patent/CA3212055A1/en
Priority to PCT/JP2021/044584 priority patent/WO2022209014A1/ja
Priority to US18/551,401 priority patent/US20240167110A1/en
Priority to CN202180096122.3A priority patent/CN117043364A/zh
Priority to BR112023019688A priority patent/BR112023019688A2/pt
Priority to AU2021437808A priority patent/AU2021437808A1/en
Priority to TW110148075A priority patent/TW202239973A/zh
Publication of JP2022157632A publication Critical patent/JP2022157632A/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
    • C21B5/008—Composition or distribution of the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C21B13/0093—Protecting against oxidation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • 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
    • 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
    • C22B1/216—Sintering; Agglomerating in rotary furnaces
    • 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
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • 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
    • C22B1/2413—Binding; Briquetting ; Granulating enduration of pellets
    • 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
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/243—Binding; Briquetting ; Granulating with binders inorganic

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (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)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
JP2021061965A 2021-03-31 2021-03-31 塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法 Active JP7424339B2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2021061965A JP7424339B2 (ja) 2021-03-31 2021-03-31 塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法
CA3212055A CA3212055A1 (en) 2021-03-31 2021-12-03 Raw material particles for production of agglomerate, method for producing raw material particles for production of agglomerate, agglomerate, method for producing agglomerate, and method for producing reduced iron
PCT/JP2021/044584 WO2022209014A1 (ja) 2021-03-31 2021-12-03 塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法
US18/551,401 US20240167110A1 (en) 2021-03-31 2021-12-03 Raw material particles for production of agglomerate, method for producing raw material particles for production of agglomerate, agglomerate, method for producing agglomerate, and method for producing reduced iron
EP21935167.3A EP4317464A4 (en) 2021-03-31 2021-12-03 RAW MATERIAL PARTICLES FOR THE PRODUCTION OF AGGLOMERATES, METHOD FOR THE PRODUCTION OF RAW MATERIAL PARTICLES FOR THE PRODUCTION OF AGGLOMERATES, AGGLOMERATE, METHOD FOR THE PRODUCTION OF AGGLOMERATES AND METHOD FOR THE PRODUCTION OF REDUCED IRON
CN202180096122.3A CN117043364A (zh) 2021-03-31 2021-12-03 团聚物制造用的原料粒子、团聚物制造用的原料粒子的制造方法、团聚物、团聚物的制造方法和还原铁的制造方法
BR112023019688A BR112023019688A2 (pt) 2021-03-31 2021-12-03 Partículas de matéria-prima para produção de aglomerado, método para produzir partículas de matéria-prima para produção de aglomerado, aglomerado, método para produzir aglomerado e método para produzir ferro reduzido
AU2021437808A AU2021437808A1 (en) 2021-03-31 2021-12-03 Raw material particles for production of agglomerate, method for producing raw material particles for production of agglomerate, agglomerate, method for producing agglomerate, and method for producing reduced iron
TW110148075A TW202239973A (zh) 2021-03-31 2021-12-22 團聚物製造用之原料粒子、團聚物製造用之原料粒子之製造方法、團聚物、團聚物之製造方法及還原鐵之製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021061965A JP7424339B2 (ja) 2021-03-31 2021-03-31 塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法

Publications (2)

Publication Number Publication Date
JP2022157632A JP2022157632A (ja) 2022-10-14
JP7424339B2 true JP7424339B2 (ja) 2024-01-30

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JP2021061965A Active JP7424339B2 (ja) 2021-03-31 2021-03-31 塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法

Country Status (9)

Country Link
US (1) US20240167110A1 (zh)
EP (1) EP4317464A4 (zh)
JP (1) JP7424339B2 (zh)
CN (1) CN117043364A (zh)
AU (1) AU2021437808A1 (zh)
BR (1) BR112023019688A2 (zh)
CA (1) CA3212055A1 (zh)
TW (1) TW202239973A (zh)
WO (1) WO2022209014A1 (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012126963A (ja) 2010-12-15 2012-07-05 Kobe Steel Ltd 還元鉄製造用塊成物、およびその製造方法
JP2014080649A (ja) 2012-10-15 2014-05-08 Nippon Steel & Sumitomo Metal 高炉用塊成鉱及びその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702766A (en) 1986-03-21 1987-10-27 Midrex International, B.V. Rotterdam, Zurich Branch Method of increasing carbon content of direct reduced iron and apparatus
WO2005111248A1 (ja) * 2004-05-19 2005-11-24 Jfe Steel Corporation 半還元焼結鉱およびその製造方法
JP5540859B2 (ja) * 2010-04-19 2014-07-02 Ｊｆｅスチール株式会社 製鉄用炭材内装塊成鉱およびその製造方法
JP2015101740A (ja) * 2013-11-21 2015-06-04 株式会社神戸製鋼所 還元鉄の製造方法
CN105934526B (zh) * 2014-01-31 2019-11-15 沙特基础工业公司 复合铁球团
JP2015209570A (ja) * 2014-04-25 2015-11-24 株式会社神戸製鋼所 還元鉄の製造方法
JP7055082B2 (ja) 2018-09-14 2022-04-15 日本製鉄株式会社 高炉の操業方法
CN109439896B (zh) * 2018-10-29 2020-02-21 北京科技大学 自熔性复合球团的制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012126963A (ja) 2010-12-15 2012-07-05 Kobe Steel Ltd 還元鉄製造用塊成物、およびその製造方法
JP2014080649A (ja) 2012-10-15 2014-05-08 Nippon Steel & Sumitomo Metal 高炉用塊成鉱及びその製造方法

Also Published As

Publication number Publication date
AU2021437808A1 (en) 2023-10-12
BR112023019688A2 (pt) 2023-10-31
JP2022157632A (ja) 2022-10-14
CA3212055A1 (en) 2022-10-06
TW202239973A (zh) 2022-10-16
CN117043364A (zh) 2023-11-10
EP4317464A4 (en) 2024-07-31
EP4317464A1 (en) 2024-02-07
US20240167110A1 (en) 2024-05-23
WO2022209014A1 (ja) 2022-10-06

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