EP4083235A4 - METHOD OF LOADING RAW MATERIAL IN A BLAST FURNACE - Google Patents

METHOD OF LOADING RAW MATERIAL IN A BLAST FURNACE Download PDF

Info

Publication number
EP4083235A4
EP4083235A4 EP20916867.3A EP20916867A EP4083235A4 EP 4083235 A4 EP4083235 A4 EP 4083235A4 EP 20916867 A EP20916867 A EP 20916867A EP 4083235 A4 EP4083235 A4 EP 4083235A4
Authority
EP
European Patent Office
Prior art keywords
raw material
blast furnace
charging raw
charging
blast
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
EP20916867.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4083235A1 (en
Inventor
Kazuhira ICHIKAWA
Takeshi Sato
Tetsuya Yamamoto
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
Priority claimed from PCT/JP2020/044357 external-priority patent/WO2021152989A1/ja
Publication of EP4083235A1 publication Critical patent/EP4083235A1/en
Publication of EP4083235A4 publication Critical patent/EP4083235A4/en
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
    • C21B5/003—Injection of pulverulent coal
    • 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
    • C21B7/00—Blast furnaces
    • C21B7/18—Bell-and-hopper arrangements
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/18—Bell-and-hopper arrangements
    • C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
EP20916867.3A 2020-01-29 2020-11-27 METHOD OF LOADING RAW MATERIAL IN A BLAST FURNACE Pending EP4083235A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020012083 2020-01-29
PCT/JP2020/044357 WO2021152989A1 (ja) 2020-01-29 2020-11-27 高炉への原料装入方法

Publications (2)

Publication Number Publication Date
EP4083235A1 EP4083235A1 (en) 2022-11-02
EP4083235A4 true EP4083235A4 (en) 2023-07-05

Family

ID=76310151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20916867.3A Pending EP4083235A4 (en) 2020-01-29 2020-11-27 METHOD OF LOADING RAW MATERIAL IN A BLAST FURNACE

Country Status (5)

Country Link
EP (1) EP4083235A4 (zh)
JP (1) JP6885528B1 (zh)
KR (1) KR20220119154A (zh)
CN (1) CN115023508B (zh)
BR (1) BR112022014972A2 (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5562106A (en) * 1978-10-30 1980-05-10 Nippon Steel Corp Raw material charging method for blast furnace
JPS60208404A (ja) * 1984-03-31 1985-10-21 Kawasaki Steel Corp 高炉原料装入方法およびその装置
JPS63140006A (ja) * 1986-12-01 1988-06-11 Kawasaki Steel Corp 高炉原料装入方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02305911A (ja) * 1989-05-20 1990-12-19 Nippon Steel Corp 竪型炉のベルレス式原料装入方法
JPH03153804A (ja) * 1989-11-09 1991-07-01 Nippon Steel Corp 高炉原料の装入方法
JP2797917B2 (ja) * 1993-08-18 1998-09-17 住友金属工業株式会社 高炉の操業方法
JPH08120311A (ja) * 1994-10-18 1996-05-14 Nippon Steel Corp 高炉の原料装入方法
JP3700458B2 (ja) * 1999-03-31 2005-09-28 Ｊｆｅスチール株式会社 低Ｓｉ溶銑の製造方法
JP3729026B2 (ja) * 1999-06-25 2005-12-21 Ｊｆｅスチール株式会社 高炉への原料装入方法
JP4114626B2 (ja) * 2004-04-02 2008-07-09 住友金属工業株式会社 高炉の操業方法
US7914599B2 (en) * 2004-11-17 2011-03-29 Ism, Inc. Slag conditioner composition, process for manufacture and method of use in steel production
JP5440077B2 (ja) * 2008-10-31 2014-03-12 Ｊｆｅスチール株式会社 ベルレス高炉への原料装入方法
JP5338310B2 (ja) * 2008-12-26 2013-11-13 Ｊｆｅスチール株式会社 高炉への原料装入方法
JP5515288B2 (ja) * 2008-12-26 2014-06-11 Ｊｆｅスチール株式会社 高炉への原料装入方法
KR101630279B1 (ko) * 2012-05-18 2016-06-14 제이에프이 스틸 가부시키가이샤 고로로의 원료 장입 방법
JP5696814B2 (ja) * 2012-05-28 2015-04-08 新日鐵住金株式会社 ベルレス高炉への原料装入方法
JP6167829B2 (ja) 2013-10-08 2017-07-26 新日鐵住金株式会社 高炉操業方法
JP6260288B2 (ja) 2014-01-16 2018-01-17 新日鐵住金株式会社 ベルレス高炉の原料装入方法
JP6331607B2 (ja) * 2014-04-04 2018-05-30 新日鐵住金株式会社 ベルレス高炉の装入物装入方法
JP6183412B2 (ja) * 2015-05-28 2017-08-23 Ｊｆｅスチール株式会社 高炉への原料装入装置
JP6304174B2 (ja) * 2015-08-19 2018-04-04 Ｊｆｅスチール株式会社 高炉への原料装入方法
JP2018024914A (ja) * 2016-08-10 2018-02-15 株式会社神戸製鋼所 高炉への原料装入方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5562106A (en) * 1978-10-30 1980-05-10 Nippon Steel Corp Raw material charging method for blast furnace
JPS60208404A (ja) * 1984-03-31 1985-10-21 Kawasaki Steel Corp 高炉原料装入方法およびその装置
JPS63140006A (ja) * 1986-12-01 1988-06-11 Kawasaki Steel Corp 高炉原料装入方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021152989A1 *

Also Published As

Publication number Publication date
KR20220119154A (ko) 2022-08-26
JPWO2021152989A1 (zh) 2021-08-05
CN115023508B (zh) 2023-07-18
BR112022014972A2 (pt) 2022-09-20
JP6885528B1 (ja) 2021-06-16
CN115023508A (zh) 2022-09-06
EP4083235A1 (en) 2022-11-02

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