EP4289977A4 - Verfahren zur herstellung von roheisen - Google Patents

Verfahren zur herstellung von roheisen Download PDF

Info

Publication number
EP4289977A4
EP4289977A4 EP21933163.4A EP21933163A EP4289977A4 EP 4289977 A4 EP4289977 A4 EP 4289977A4 EP 21933163 A EP21933163 A EP 21933163A EP 4289977 A4 EP4289977 A4 EP 4289977A4
Authority
EP
European Patent Office
Prior art keywords
pig iron
producing pig
producing
iron
pig
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
EP21933163.4A
Other languages
English (en)
French (fr)
Other versions
EP4289977A1 (de
Inventor
Kazuya Miyagawa
Masahiro Yakeya
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP4289977A1 publication Critical patent/EP4289977A1/de
Publication of EP4289977A4 publication Critical patent/EP4289977A4/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/007—Conditions of the cokes or characterised by the cokes used
    • 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
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/10—Other details, e.g. blast mains
    • 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
    • C22B1/242—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
EP21933163.4A 2021-03-26 2021-05-10 Verfahren zur herstellung von roheisen Pending EP4289977A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021053067A JP7596194B2 (ja) 2021-03-26 2021-03-26 銑鉄製造方法
PCT/JP2021/017701 WO2022201562A1 (ja) 2021-03-26 2021-05-10 銑鉄製造方法

Publications (2)

Publication Number Publication Date
EP4289977A1 EP4289977A1 (de) 2023-12-13
EP4289977A4 true EP4289977A4 (de) 2024-08-07

Family

ID=83396618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21933163.4A Pending EP4289977A4 (de) 2021-03-26 2021-05-10 Verfahren zur herstellung von roheisen

Country Status (6)

Country Link
US (1) US20240167109A1 (de)
EP (1) EP4289977A4 (de)
JP (1) JP7596194B2 (de)
KR (1) KR20230136640A (de)
CN (1) CN116829739B (de)
WO (1) WO2022201562A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7339222B2 (ja) * 2020-09-03 2023-09-05 株式会社神戸製鋼所 銑鉄製造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005594A (nl) * 1979-10-09 1981-04-13 Kobe Steel Ltd Grove ertsdeeltjes-bevattende ijzerertspellets.
JPS63219534A (ja) * 1987-03-09 1988-09-13 Kobe Steel Ltd 自溶性ペレットの製造方法
JPH01136937A (ja) * 1987-11-20 1989-05-30 Kobe Steel Ltd 高炉装入用自溶性ペレット
JP2009102746A (ja) * 2007-09-14 2009-05-14 Nippon Steel Corp 銑鉄の製造方法
EP2239344A1 (de) * 2007-12-20 2010-10-13 Kabushiki Kaisha Kobe Seiko Sho Selbstgehende pellets zur verwendung in einem hochofen und herstellungsverfahren dafür
JP2012126947A (ja) * 2010-12-14 2012-07-05 Nippon Steel Corp 気孔偏在焼成ペレット及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4173925B2 (ja) 1998-05-01 2008-10-29 新日本製鐵株式会社 高炉の操業方法
JP4630304B2 (ja) * 2007-05-08 2011-02-09 株式会社神戸製鋼所 高炉用自溶性ペレットおよびその製造方法
JP4317579B2 (ja) * 2007-09-05 2009-08-19 新日本製鐵株式会社 還元鉄成形体の製造方法、及び銑鉄の製造方法
CN101736103B (zh) * 2008-11-05 2013-12-18 中冶赛迪工程技术股份有限公司 一种炼铁工艺

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005594A (nl) * 1979-10-09 1981-04-13 Kobe Steel Ltd Grove ertsdeeltjes-bevattende ijzerertspellets.
JPS63219534A (ja) * 1987-03-09 1988-09-13 Kobe Steel Ltd 自溶性ペレットの製造方法
JPH01136937A (ja) * 1987-11-20 1989-05-30 Kobe Steel Ltd 高炉装入用自溶性ペレット
JP2009102746A (ja) * 2007-09-14 2009-05-14 Nippon Steel Corp 銑鉄の製造方法
EP2239344A1 (de) * 2007-12-20 2010-10-13 Kabushiki Kaisha Kobe Seiko Sho Selbstgehende pellets zur verwendung in einem hochofen und herstellungsverfahren dafür
JP2012126947A (ja) * 2010-12-14 2012-07-05 Nippon Steel Corp 気孔偏在焼成ペレット及びその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022201562A1 *

Also Published As

Publication number Publication date
CN116829739A (zh) 2023-09-29
JP2022150455A (ja) 2022-10-07
WO2022201562A1 (ja) 2022-09-29
CN116829739B (zh) 2025-10-10
JP7596194B2 (ja) 2024-12-09
EP4289977A1 (de) 2023-12-13
KR20230136640A (ko) 2023-09-26
US20240167109A1 (en) 2024-05-23

Similar Documents

Publication Publication Date Title
EP4146834A4 (de) Verfahren zur herstellung von aufgekohltem eisenschwamm
EP4151754A4 (de) Verfahren zur herstellung von reduziertem eisen
EP4101305C0 (de) Verfahren zur herstellung von walnussjoghurt
EP4357466A4 (de) Verfahren zur herstellung von reduziertem eisen
EP4023804C0 (de) Verfahren zur herstellung von faserartikeln
EP4117458A4 (de) Verfahren zur herstellung von gersteprotein
EP4251774C0 (de) Verfahren zur herstellung von aufgekohltem eisenschwamm
EP4186985A4 (de) Verfahren zur herstellung von roheisen
EP4116314A4 (de) Verfahren zur herstellung von 16alpha-hydroxyprednisolon
EP4380932C0 (de) Verfahren zur herstellung von aficampten
EP4328221A4 (de) Verfahren zur herstellung von l-nikotin
EP3957756C0 (de) Verfahren zur herstellung von chromhaltiger eisenschmelze
EP4431197A4 (de) Verfahren zur herstellung von cu-sn-haltigem stahl
EP4230634C0 (de) Verfahren zur herstellung von glufosinat-ammonium
EP4387961A4 (de) Verfahren zur herstellung von histondemethylasehemmern
EP4221723A4 (de) Verfahren zur herstellung von eisenkomplexen
EP4373800A4 (de) Verfahren zur herstellung von hexahydrocannabinol
EP4372109A4 (de) Verfahren zur herstellung von wertmetall
EP4146590A4 (de) Verfahren zur herstellung von säureanhydriden
EP4159708A4 (de) Verfahren zur herstellung von fluorethylen
EP4134381A4 (de) Verfahren zur herstellung von düngemitteln
EP4380996C0 (de) Verfahren zur herstellung von polyestercopolymeren
EP4289977A4 (de) Verfahren zur herstellung von roheisen
EP4140992C0 (de) Verfahren zur herstellung von s-nikotin
EP3981754A4 (de) Verfahren zur herstellung von 1-halogen-2-fluorethylen

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: 20230904

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 MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20240705

RIC1 Information provided on ipc code assigned before grant

Ipc: C21B 13/00 20060101ALI20240701BHEP

Ipc: C22B 1/16 20060101ALI20240701BHEP

Ipc: C21B 5/00 20060101AFI20240701BHEP