CA3251848A1 - METHOD FOR MANUFACTURED ACGLOMERATED ORE CONTAINING CARBONATE MATERIAL, AND METHOD FOR MANUFACTURED CAST IRON - Google Patents

METHOD FOR MANUFACTURED ACGLOMERATED ORE CONTAINING CARBONATE MATERIAL, AND METHOD FOR MANUFACTURED CAST IRON

Info

Publication number
CA3251848A1
CA3251848A1 CA3251848A CA3251848A CA3251848A1 CA 3251848 A1 CA3251848 A1 CA 3251848A1 CA 3251848 A CA3251848 A CA 3251848A CA 3251848 A CA3251848 A CA 3251848A CA 3251848 A1 CA3251848 A1 CA 3251848A1
Authority
CA
Canada
Prior art keywords
carbon
manufacturing
iron
carbonaceous material
raw material
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
CA3251848A
Other languages
English (en)
French (fr)
Inventor
Yuji Iwami
Takahide Higuchi
Taichi MURAKAMI
Ryota Higashi
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 CA3251848A1 publication Critical patent/CA3251848A1/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • 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
    • 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
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/004—Making spongy iron or liquid steel, by direct processes in a continuous way by reduction from 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
    • C21B13/006—Starting from ores containing non ferrous metallic oxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • 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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/023—Making spongy iron or liquid steel, by direct processes in shaft furnaces wherein iron or steel is obtained in a molten state
    • 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
    • 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
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
    • 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
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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
    • 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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • 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)
CA3251848A 2022-03-07 2023-02-28 METHOD FOR MANUFACTURED ACGLOMERATED ORE CONTAINING CARBONATE MATERIAL, AND METHOD FOR MANUFACTURED CAST IRON Pending CA3251848A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022034562 2022-03-07
JP2022-034562 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 (1)

Publication Number Publication Date
CA3251848A1 true CA3251848A1 (en) 2025-03-04

Family

ID=87935225

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3251848A Pending CA3251848A1 (en) 2022-03-07 2023-02-28 METHOD FOR MANUFACTURED ACGLOMERATED ORE CONTAINING CARBONATE MATERIAL, AND METHOD FOR MANUFACTURED CAST IRON

Country Status (9)

Country Link
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

Family Cites Families (13)

* 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
JP3907467B2 (ja) * 2001-12-12 2007-04-18 株式会社神戸製鋼所 溶融金属製造方法
WO2009008270A1 (ja) * 2007-07-10 2009-01-15 Kabushiki Kaisha Kobe Seiko Sho 炭材内装酸化鉄塊成化物及びその製造方法
GB0919385D0 (en) * 2009-11-05 2009-12-23 Johnson Matthey Plc Process
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
JP6288462B2 (ja) * 2015-01-08 2018-03-07 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
JP6414903B2 (ja) * 2016-04-20 2018-10-31 Ｊｆｅスチール株式会社 炭素内装鉱の製造方法
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
KR20240137632A (ko) * 2022-03-07 2024-09-20 제이에프이 스틸 가부시키가이샤 용선의 제조 방법

Also Published As

Publication number Publication date
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
JP7658443B2 (ja) 2025-04-08
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

Similar Documents

Publication Publication Date Title
CN1842604B (zh) 自还原冷固结球团及其制造方法
RU2435868C1 (ru) Способ получения брикетированного восстановленного железа и способ получения чугуна
JP7416340B1 (ja) 溶銑の製造方法
JP5880941B2 (ja) 還元鉄の製造方法
TWI396749B (zh) 還原鐵之製造方法
CA1044897A (en) Pellets useful in shaft furnace direct reduction and method of making same
JP5512205B2 (ja) 塊成化状高炉用原料の強度改善方法
US20250137080A1 (en) Method for manufacturing carbonaceous material-containing agglomerate ore, and method for manufacturing molten pig iron
JP6414903B2 (ja) 炭素内装鉱の製造方法
JP4627236B2 (ja) 炭材内装塊成化物の製造方法
Pal et al. Development of carbon composite iron ore micropellets by using the microfines of iron ore and carbon-bearing materials in iron making
Das et al. Study on reduction of blast furnace flue dust briquette made with fly ash as binder
JP2002241853A (ja) 高炉用非焼成塊成鉱
EP4317464A1 (en) 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
KR101421208B1 (ko) 탄재 선정 방법 및 이를 이용한 환원철 제조 방법
JP3732024B2 (ja) 還元鉄ペレットの製造方法
WO2001048250A1 (fr) Procede d'utilisation de poudre de carbone activee recuperee d'un appareil de traitement de gaz d'echappement de frittage
Yun et al. Analysis of reducing characteristics of direct reduced iron using blast furnace dust
Nakano et al. Coke breeze-less sintering of BOF dust and its capability of dezincing
Ogbezode et al. Investigation of the Reduction Mechanism and Comparative Reaction Kinetics of Milled Scale Goethite–Hematite Pellets in the Carbothermic Atmosphere from Non-Coking Coal for Application in Sponge Iron Synthesis
KR100376540B1 (ko) 고상 환원법에 의한 괴상 환원철의 제조방법
Ciocan et al. Recycling of Hematite Fine Waste by Pelletisation
KR20170136664A (ko) 환원성이 향상된 탄재 내장 산화철 괴성화물 및 이의 제조방법
EP0719348A1 (en) METHOD FOR PRODUCTION OF FeSi
JPS605642B2 (ja) 低硫黄還元鉄の製造方法

Legal Events

Date Code Title Description
A00 Application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A00-A101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION RECEIVED - PCT

Effective date: 20240813

D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D11-D117 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION RECEIVED

Effective date: 20240813

A00 Application filed

Free format text: ST27 STATUS EVENT CODE: A-1-1-A10-A00-A102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: COMPLIANCE REQUIREMENTS DETERMINED MET

Effective date: 20250116

A15 Pct application entered into the national or regional phase

Free format text: ST27 STATUS EVENT CODE: A-1-1-A10-A15-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: NATIONAL ENTRY REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20250116

P18 Priority claim added or amended

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P18-P105 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: PRIORITY CLAIM REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20250116

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20250217

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 2ND ANNIV.) - STANDARD

Year of fee payment: 2

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250220

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20250228

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250228

Q12 Application published

Free format text: ST27 STATUS EVENT CODE: A-1-1-Q10-Q12-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION PUBLISHED (OPEN TO PUBLIC INSPECTION)

Effective date: 20250304

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250305

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D00-D118 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20250312

D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D11-D155 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ALL REQUIREMENTS FOR EXAMINATION DETERMINED COMPLIANT

Effective date: 20250314

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20250320

D15 Examination report completed

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D15-D126 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXAMINER'S REPORT

Effective date: 20250801

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - RESPONSE TO EXAMINER'S REQUISITION

Effective date: 20250918