EP4575021A4 - PROCESS FOR PRODUCING IRON ORE PELLETS - Google Patents

PROCESS FOR PRODUCING IRON ORE PELLETS

Info

Publication number
EP4575021A4
EP4575021A4 EP23865055.0A EP23865055A EP4575021A4 EP 4575021 A4 EP4575021 A4 EP 4575021A4 EP 23865055 A EP23865055 A EP 23865055A EP 4575021 A4 EP4575021 A4 EP 4575021A4
Authority
EP
European Patent Office
Prior art keywords
iron ore
producing iron
ore pellets
pellets
producing
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
EP23865055.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4575021A1 (en
Inventor
Kenta Takehara
Takahide Higuchi
Naoto Nakamura
Kenya HORITA
Shohei Fujiwara
Yuji Iwami
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 EP4575021A1 publication Critical patent/EP4575021A1/en
Publication of EP4575021A4 publication Critical patent/EP4575021A4/en
Pending legal-status Critical Current

Links

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
    • C22B1/24—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
    • 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
    • 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

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)
EP23865055.0A 2022-09-16 2023-07-11 PROCESS FOR PRODUCING IRON ORE PELLETS Pending EP4575021A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022148507 2022-09-16
PCT/JP2023/025629 WO2024057693A1 (ja) 2022-09-16 2023-07-11 鉄鉱石ペレットの製造方法

Publications (2)

Publication Number Publication Date
EP4575021A1 EP4575021A1 (en) 2025-06-25
EP4575021A4 true EP4575021A4 (en) 2025-07-02

Family

ID=90274602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23865055.0A Pending EP4575021A4 (en) 2022-09-16 2023-07-11 PROCESS FOR PRODUCING IRON ORE PELLETS

Country Status (5)

Country Link
EP (1) EP4575021A4 (enrdf_load_stackoverflow)
JP (1) JPWO2024057693A1 (enrdf_load_stackoverflow)
CN (1) CN119855926A (enrdf_load_stackoverflow)
AU (1) AU2023341034A1 (enrdf_load_stackoverflow)
WO (1) WO2024057693A1 (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1541700A1 (en) * 2002-08-21 2005-06-15 Nippon Steel Corporation Method of granulating sintering material for iron manufacturing
JP2008261016A (ja) * 2007-04-12 2008-10-30 Nippon Steel Corp 焼結鉱の製造方法
JP4518895B2 (ja) * 2004-09-29 2010-08-04 新日本製鐵株式会社 焼結用原料の評価方法および配合設計方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54117301A (en) * 1978-03-03 1979-09-12 Kobe Steel Ltd Coarse particles-containing self-fluxing ore pellets
JPS57200529A (en) * 1981-06-02 1982-12-08 Nippon Steel Corp Preparation of sintered ore having iron ore fine powder highly compounded therein
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
JPS63149336A (ja) * 1986-12-15 1988-06-22 Nkk Corp 焼成塊成鉱の製造方法
JPS63219534A (ja) * 1987-03-09 1988-09-13 Kobe Steel Ltd 自溶性ペレットの製造方法
JP2001181745A (ja) * 1999-12-27 2001-07-03 Kobe Steel Ltd Ｎａ含有スラグの水浸漬処理廃液を用いた鉄鉱石塊成鉱の製造方法
JP4154914B2 (ja) * 2002-04-04 2008-09-24 Ｊｆｅスチール株式会社 高炉用焼結鉱の製造方法
JP5098248B2 (ja) * 2006-08-03 2012-12-12 新日鐵住金株式会社 製鉄用含鉄集塵ダスト類の造粒方法
JP2016176130A (ja) * 2015-03-20 2016-10-06 株式会社神戸製鋼所 鉄鉱石焼成ペレット製造用生ペレットおよび鉄鉱石焼成ペレットの製造方法
JP7440768B2 (ja) * 2020-08-18 2024-02-29 日本製鉄株式会社 高炉用焼成ペレット及び高炉用焼成ペレットの製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1541700A1 (en) * 2002-08-21 2005-06-15 Nippon Steel Corporation Method of granulating sintering material for iron manufacturing
JP4518895B2 (ja) * 2004-09-29 2010-08-04 新日本製鐵株式会社 焼結用原料の評価方法および配合設計方法
JP2008261016A (ja) * 2007-04-12 2008-10-30 Nippon Steel Corp 焼結鉱の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024057693A1 *

Also Published As

Publication number Publication date
CN119855926A (zh) 2025-04-18
JPWO2024057693A1 (enrdf_load_stackoverflow) 2024-03-21
EP4575021A1 (en) 2025-06-25
WO2024057693A1 (ja) 2024-03-21
AU2023341034A1 (en) 2025-02-13

Similar Documents

Publication Publication Date Title
EP4159879A4 (en) Method for producing reduced iron
EP3990671C0 (en) PROCESS FOR PRODUCING LOW-CARBON FERROCHROME FROM CHROMITE ORE
EP4001251A4 (en) Method for producing binaphthyls
EP4101305C0 (en) PROCESS FOR PREPARING A NUT YOGURT
EP4081490C0 (fr) Procédé de production d&#39;argile calcinée
EP4117458C0 (en) PROCESS FOR PRODUCING BARLEY PROTEIN
EP3889278A4 (en) PROCESS FOR PRODUCTION OF IRON ORE FINES AGGLOMERATE AND AGGLOMERATE PRODUCT
EP4122913A4 (en) ACRYLIC ACID PRODUCTION PROCESS
EP4230634C0 (en) PROCESS FOR THE PREPARATION OF GLUFOSINATE-AMMONIUM
EP4025567A4 (en) Efficient process for producing 5-(alkoxycarbonyl)-furan-2-carboxylic acids
EP4190785A4 (en) PROCESS FOR THE PREPARATION OF FORODESINE
EP4134381A4 (en) PROCESS FOR MANUFACTURING A FERTILIZER
EP4146590A4 (en) PROCESS FOR GENERATING ACID ANHYDRIDES
EP3957756C0 (en) PROCESS FOR PRODUCING MOLTEN IRON CONTAINING CHROMIUM
EP3914576A4 (en) PROCESS FOR THE PRODUCTION OF METHANOL WITH THE USE OF HIGHER CARBON BY CO2 RECYCLING
EP4257661C0 (de) Verfahren zur herstellung von aktivkohle
EP4575021A4 (en) PROCESS FOR PRODUCING IRON ORE PELLETS
EP4140992C0 (en) PROCESS FOR PREPARATION OF S-NICOTINE
EP4289977A4 (en) PROCESS FOR PRODUCING PIG IRON
EP4221723A4 (en) PROCESSES FOR PREPARATION OF IRON-BASED COMPLEXES
EP4431197A4 (en) PROCESS FOR MANUFACTURING STEEL CONTAINING CU-SN
EP4249463A4 (en) PROCESS FOR PREPARING ACRYLIC ACID
EP4372109A4 (en) PROCESS FOR PRODUCING A RECYCLED METAL
EP4339310A4 (en) PROCESS FOR PRODUCING A RECYCLED METAL
EP4520461A4 (en) GRANULAR IRON MANUFACTURING DEVICE AND GRANULAR IRON MANUFACTURING METHOD

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20250318

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20250602

RIC1 Information provided on ipc code assigned before grant

Ipc: C22B 1/24 20060101ALI20250526BHEP

Ipc: C22B 1/14 20060101ALI20250526BHEP

Ipc: C22B 1/16 20060101ALI20250526BHEP

Ipc: C22B 1/242 20060101AFI20250526BHEP