EP2796566A4 - Procédé d'exploitation de haut fourneau - Google Patents

Procédé d'exploitation de haut fourneau

Info

Publication number
EP2796566A4
EP2796566A4 EP12860851.0A EP12860851A EP2796566A4 EP 2796566 A4 EP2796566 A4 EP 2796566A4 EP 12860851 A EP12860851 A EP 12860851A EP 2796566 A4 EP2796566 A4 EP 2796566A4
Authority
EP
European Patent Office
Prior art keywords
blast furnace
operation method
furnace operation
blast
furnace
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.)
Granted
Application number
EP12860851.0A
Other languages
German (de)
English (en)
Other versions
EP2796566B1 (fr
EP2796566A1 (fr
Inventor
Daiki Fujiwara
Akinori Murao
Shiro Watakabe
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48669724&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2796566(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2011279954A external-priority patent/JP5923967B2/ja
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Priority to EP23184934.0A priority Critical patent/EP4283233A1/fr
Priority to EP18181898.0A priority patent/EP3421618B1/fr
Publication of EP2796566A1 publication Critical patent/EP2796566A1/fr
Publication of EP2796566A4 publication Critical patent/EP2796566A4/fr
Application granted granted Critical
Publication of EP2796566B1 publication Critical patent/EP2796566B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • C21B7/163—Blowpipe assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance
    • F27D2003/169—Construction of the lance, e.g. lances for injecting particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Blast Furnaces (AREA)
EP12860851.0A 2011-12-21 2012-03-01 Procédé d'exploitation de haut fourneau Active EP2796566B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP23184934.0A EP4283233A1 (fr) 2011-12-21 2012-03-01 Lance a double corps
EP18181898.0A EP3421618B1 (fr) 2011-12-21 2012-03-01 Lance a double corps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011279954A JP5923967B2 (ja) 2010-12-27 2011-12-21 高炉操業方法
PCT/JP2012/055893 WO2013094230A1 (fr) 2011-12-21 2012-03-01 Procédé d'exploitation de haut fourneau

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP18181898.0A Division-Into EP3421618B1 (fr) 2011-12-21 2012-03-01 Lance a double corps
EP18181898.0A Division EP3421618B1 (fr) 2011-12-21 2012-03-01 Lance a double corps
EP23184934.0A Division EP4283233A1 (fr) 2011-12-21 2012-03-01 Lance a double corps

Publications (3)

Publication Number Publication Date
EP2796566A1 EP2796566A1 (fr) 2014-10-29
EP2796566A4 true EP2796566A4 (fr) 2015-12-02
EP2796566B1 EP2796566B1 (fr) 2018-08-29

Family

ID=48669724

Family Applications (3)

Application Number Title Priority Date Filing Date
EP23184934.0A Pending EP4283233A1 (fr) 2011-12-21 2012-03-01 Lance a double corps
EP18181898.0A Active EP3421618B1 (fr) 2011-12-21 2012-03-01 Lance a double corps
EP12860851.0A Active EP2796566B1 (fr) 2011-12-21 2012-03-01 Procédé d'exploitation de haut fourneau

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP23184934.0A Pending EP4283233A1 (fr) 2011-12-21 2012-03-01 Lance a double corps
EP18181898.0A Active EP3421618B1 (fr) 2011-12-21 2012-03-01 Lance a double corps

Country Status (8)

Country Link
EP (3) EP4283233A1 (fr)
KR (1) KR101629123B1 (fr)
CN (1) CN104024440B (fr)
AU (1) AU2012355194B2 (fr)
BR (1) BR112014015336B1 (fr)
IN (1) IN2014KN01261A (fr)
TW (1) TWI487791B (fr)
WO (1) WO2013094230A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014216336A1 (de) * 2014-08-18 2016-02-18 Küttner Holding GmbH & Co. KG Verfahren zum Einblasen von Ersatzreduktionsmitteln in einen Hochofen
CN110714106B (zh) * 2019-10-30 2020-12-29 沈忠凡 一种高钛型钒钛磁铁矿的高炉优化冶炼方法
CN114787391B (zh) * 2019-11-29 2023-09-12 日本制铁株式会社 高炉的操作方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000192119A (ja) * 1998-12-25 2000-07-11 Kobe Steel Ltd 高炉への補助燃料吹込み方法
CN102268496A (zh) * 2011-08-01 2011-12-07 张昭贵 一种高炉喷吹煤粉在风口内强化燃烧的方法和装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62192509A (ja) * 1986-02-17 1987-08-24 Kobe Steel Ltd 高炉の微粉炭吹込み方法
JP2986244B2 (ja) * 1991-05-22 1999-12-06 川崎製鉄株式会社 高炉用微粉炭吹込ランス
JP2994141B2 (ja) * 1992-06-16 1999-12-27 川崎製鉄株式会社 高炉への粉体燃料の吹込み方法
ES2123018T3 (es) 1992-07-01 1999-01-01 Wurth Paul Sa Dispositivo para la inyeccion de carbon pulverizado en un crisol de alto horno.
JPH06100912A (ja) * 1992-09-22 1994-04-12 Kawasaki Steel Corp 高炉用粉体燃料吹込みランス
LU88553A1 (de) 1994-11-04 1996-07-15 Wurth Paul Sa Verfahren zum Verbrennen von Kunststoffabfaellen im Hochofen
JPH08157916A (ja) * 1994-12-01 1996-06-18 Nkk Corp 高炉への微粉炭吹き込み方法および微粉炭吹き込み用ラ ンス
JPH08260010A (ja) * 1995-03-24 1996-10-08 Nippon Steel Corp 高炉における微粉炭多量吹込み操業方法
JP3493937B2 (ja) * 1997-03-14 2004-02-03 Ｊｆｅスチール株式会社 高炉への微粉炭吹き込み方法
DE69913664T2 (de) * 1998-08-13 2004-09-30 Pohang Iron & Steel Co. Ltd., Pohang City Kohlenstaubeinspritzvorrichtung
JP3620407B2 (ja) * 2000-05-16 2005-02-16 Ｊｆｅスチール株式会社 高炉への微粉炭吹込み操業方法
JP2002047359A (ja) 2000-08-01 2002-02-12 C I Kasei Co Ltd 抗菌性ポリスチレン系熱収縮フイルム
KR100431868B1 (ko) * 2000-12-13 2004-05-20 주식회사 포스코 미분탄 취입랜스 및 이를 이용한 미분탄 취입방법
JP4074467B2 (ja) * 2002-03-29 2008-04-09 新日本製鐵株式会社 高炉での低揮発分微粉炭の燃焼性向上方法
TWI277654B (en) * 2005-01-31 2007-04-01 Jfe Steel Corp Method for operating blast furnace
LU91264B1 (en) * 2006-07-12 2008-01-14 Wurth Paul Sa Pulverized coal injection lance
CN201241161Y (zh) * 2008-08-19 2009-05-20 山东源泽工贸有限公司 高效复合式喷煤枪
CN201561440U (zh) * 2009-11-25 2010-08-25 钢铁研究总院 一种氧煤喷枪

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000192119A (ja) * 1998-12-25 2000-07-11 Kobe Steel Ltd 高炉への補助燃料吹込み方法
CN102268496A (zh) * 2011-08-01 2011-12-07 张昭贵 一种高炉喷吹煤粉在风口内强化燃烧的方法和装置

Also Published As

Publication number Publication date
IN2014KN01261A (fr) 2015-10-16
CN104024440B (zh) 2016-01-20
TWI487791B (zh) 2015-06-11
AU2012355194B2 (en) 2015-09-03
WO2013094230A1 (fr) 2013-06-27
EP2796566B1 (fr) 2018-08-29
BR112014015336A8 (pt) 2017-06-13
EP3421618A1 (fr) 2019-01-02
AU2012355194A1 (en) 2014-07-24
KR101629123B1 (ko) 2016-06-09
BR112014015336B1 (pt) 2019-05-14
KR20140109964A (ko) 2014-09-16
EP2796566A1 (fr) 2014-10-29
EP3421618B1 (fr) 2023-09-13
EP4283233A1 (fr) 2023-11-29
TW201326405A (zh) 2013-07-01
CN104024440A (zh) 2014-09-03
BR112014015336A2 (pt) 2017-06-13

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