US20260071296A1 - Method of producing iron ore pellets - Google Patents

Method of producing iron ore pellets

Info

Publication number
US20260071296A1
US20260071296A1 US19/109,558 US202319109558A US2026071296A1 US 20260071296 A1 US20260071296 A1 US 20260071296A1 US 202319109558 A US202319109558 A US 202319109558A US 2026071296 A1 US2026071296 A1 US 2026071296A1
Authority
US
United States
Prior art keywords
gas
carbon
iron ore
pellets
solid carbon
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
US19/109,558
Other languages
English (en)
Inventor
Kenta Takehara
Takahide Higuchi
Yusuke DOHI
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 US20260071296A1 publication Critical patent/US20260071296A1/en
Pending legal-status Critical Current

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Images

Classifications

    • 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
    • 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
    • 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
    • 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
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
US19/109,558 2022-09-28 2023-07-11 Method of producing iron ore pellets Pending US20260071296A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022155599 2022-09-28
JP2022-155599 2022-09-28
PCT/JP2023/025632 WO2024070135A1 (ja) 2022-09-28 2023-07-11 鉄鉱石ペレットの製造方法

Publications (1)

Publication Number Publication Date
US20260071296A1 true US20260071296A1 (en) 2026-03-12

Family

ID=90476990

Family Applications (1)

Application Number Title Priority Date Filing Date
US19/109,558 Pending US20260071296A1 (en) 2022-09-28 2023-07-11 Method of producing iron ore pellets

Country Status (6)

Country Link
US (1) US20260071296A1 (https=)
EP (1) EP4575020A4 (https=)
JP (1) JP7831576B2 (https=)
CN (1) CN119866382A (https=)
AU (1) AU2023352518A1 (https=)
WO (1) WO2024070135A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123332A (en) * 1980-03-01 1981-09-28 Kobe Steel Ltd Calcining method for iron ore pellet
JPS6237325A (ja) * 1985-06-27 1987-02-18 Nippon Kokan Kk <Nkk> 焼成塊成鉱およびその製造方法
JP5180438B2 (ja) * 2006-01-18 2013-04-10 新日鐵住金株式会社 炭材含有ペレットの製造方法
JP7463174B2 (ja) * 2020-04-06 2024-04-08 三菱重工業株式会社 固体炭素生成装置および固体炭素生成方法
WO2022067137A1 (en) * 2020-09-25 2022-03-31 Carbon Technology Holdings, LLC Bio-reduction of metal ores integrated with biomass pyrolysis

Also Published As

Publication number Publication date
JPWO2024070135A1 (https=) 2024-04-04
WO2024070135A1 (ja) 2024-04-04
AU2023352518A1 (en) 2025-02-13
EP4575020A1 (en) 2025-06-25
JP7831576B2 (ja) 2026-03-17
EP4575020A4 (en) 2025-07-09
CN119866382A (zh) 2025-04-22

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