EP4779040A1 - Carbidformkörper und herstellungsverfahren dafür - Google Patents

Carbidformkörper und herstellungsverfahren dafür

Info

Publication number
EP4779040A1
EP4779040A1 EP23952208.9A EP23952208A EP4779040A1 EP 4779040 A1 EP4779040 A1 EP 4779040A1 EP 23952208 A EP23952208 A EP 23952208A EP 4779040 A1 EP4779040 A1 EP 4779040A1
Authority
EP
European Patent Office
Prior art keywords
carbide
molded body
particle size
carbides
carbide molded
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
EP23952208.9A
Other languages
English (en)
French (fr)
Inventor
Atsushi Yumoto
Toshikazu Aoki
Masahiro Sekiya
Tetsuya Kato
Muneyuki Kamata
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP4779040A1 publication Critical patent/EP4779040A1/de
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
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP23952208.9A 2023-09-12 2023-09-12 Carbidformkörper und herstellungsverfahren dafür Pending EP4779040A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/033271 WO2025057314A1 (ja) 2023-09-12 2023-09-12 炭化物成型体およびその製造方法

Publications (1)

Publication Number Publication Date
EP4779040A1 true EP4779040A1 (de) 2026-07-22

Family

ID=95021055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23952208.9A Pending EP4779040A1 (de) 2023-09-12 2023-09-12 Carbidformkörper und herstellungsverfahren dafür

Country Status (4)

Country Link
EP (1) EP4779040A1 (de)
KR (1) KR20260022463A (de)
CN (1) CN121511316A (de)
WO (1) WO2025057314A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635623B2 (ja) 1989-04-12 1994-05-11 日本磁力選鉱株式会社 炭素粉の製団方法
JP2013181062A (ja) * 2012-02-29 2013-09-12 Kobe Steel Ltd 成形配合炭およびその製造方法、ならびにコークスおよびその製造方法
JP5846289B2 (ja) 2012-02-29 2016-01-20 Ｊｆｅスチール株式会社 転炉用昇熱材
JP2015120813A (ja) * 2013-12-24 2015-07-02 三菱重工業株式会社 成形炭の製造方法
JP7900658B2 (ja) * 2022-03-10 2026-08-05 日本製鉄株式会社 転炉用昇熱材およびその製造方法

Also Published As

Publication number Publication date
WO2025057314A1 (ja) 2025-03-20
CN121511316A (zh) 2026-02-10
KR20260022463A (ko) 2026-02-19

Legal Events

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