IN2015DN00025A - - Google Patents

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Publication number
IN2015DN00025A
IN2015DN00025A IN25DEN2015A IN2015DN00025A IN 2015DN00025 A IN2015DN00025 A IN 2015DN00025A IN 25DEN2015 A IN25DEN2015 A IN 25DEN2015A IN 2015DN00025 A IN2015DN00025 A IN 2015DN00025A
Authority
IN
India
Prior art keywords
reducing agent
lance
blast furnace
solid reducing
blown
Prior art date
Application number
Other languages
English (en)
Inventor
Akinori Murao
Daiki Fujiwara
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 IN2015DN00025A publication Critical patent/IN2015DN00025A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • 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
    • 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
    • F27D3/18—Charging particulate material using a fluid carrier

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)
IN25DEN2015 2012-07-13 2013-07-11 IN2015DN00025A (https=)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012157911 2012-07-13
JP2012157910 2012-07-13
JP2012157909 2012-07-13
PCT/JP2013/068945 WO2014010660A1 (ja) 2012-07-13 2013-07-11 高炉操業方法及び管束型ランス

Publications (1)

Publication Number Publication Date
IN2015DN00025A true IN2015DN00025A (https=) 2015-05-22

Family

ID=49916101

Family Applications (1)

Application Number Title Priority Date Filing Date
IN25DEN2015 IN2015DN00025A (https=) 2012-07-13 2013-07-11

Country Status (8)

Country Link
US (1) US9309578B2 (https=)
EP (1) EP2873741B1 (https=)
JP (1) JP5522326B1 (https=)
KR (1) KR101555222B1 (https=)
CN (1) CN104471080B (https=)
AU (1) AU2013287646B2 (https=)
IN (1) IN2015DN00025A (https=)
WO (1) WO2014010660A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5983293B2 (ja) * 2012-10-19 2016-08-31 Ｊｆｅスチール株式会社 高炉操業方法及びランス
JP5983294B2 (ja) * 2012-10-19 2016-08-31 Ｊｆｅスチール株式会社 高炉操業方法及びランス
CA2907833C (en) * 2013-04-03 2017-01-24 Jfe Steel Corporation Blast furnace operation method and lance
US9938593B2 (en) 2013-04-03 2018-04-10 Jfe Steel Corporation Blast furnace operation method
JP6044564B2 (ja) * 2014-02-27 2016-12-14 Ｊｆｅスチール株式会社 高炉操業方法
WO2018180892A1 (ja) * 2017-03-30 2018-10-04 Ｊｆｅスチール株式会社 高炉操業方法
JP7472864B2 (ja) * 2021-06-23 2024-04-23 Ｊｆｅスチール株式会社 気体還元材の吹込み方法および高炉用羽口
IT202200026757A1 (it) * 2022-12-23 2024-06-23 Tenova Spa Lancia di iniezione di materiali solidi in forma di granuli e/o polveri per iniettare materiali solidi in forma di granuli e/o polveri in un forno metallurgico

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431542A1 (fr) * 1978-07-19 1980-02-15 Creusot Loire Tuyere de soufflage
JPH0338344A (ja) 1989-07-05 1991-02-19 Hitachi Chem Co Ltd 紙基材エポキシ樹脂積層板の製造法
JPH0338344U (https=) 1989-08-18 1991-04-12
US6048380A (en) * 1996-06-11 2000-04-11 Nkk Corporation Method for disposing synthetic resinous material
CN2275477Y (zh) * 1996-12-21 1998-03-04 徐先盛 一种新型高强度静态混合器
JPH1112613A (ja) 1997-06-27 1999-01-19 Nkk Corp 高炉の微粉炭吹き込み用ランス
JP2001203308A (ja) 1999-11-09 2001-07-27 Hitachi Ltd 半導体装置の冷却システム及びその運転制御方法
JP4341131B2 (ja) * 2000-01-19 2009-10-07 Ｊｆｅスチール株式会社 微粉炭吹込みバーナー
JP2004183104A (ja) * 2003-12-08 2004-07-02 Jfe Steel Kk 合成樹脂類の処理方法及び設備
JP4992235B2 (ja) 2005-12-09 2012-08-08 Ｊｆｅスチール株式会社 高炉への還元材吹込み方法及び装置
CN200942372Y (zh) * 2006-06-08 2007-09-05 云南铜业科技发展股份有限公司 管束式冶炼喷枪
KR100948927B1 (ko) * 2007-08-29 2010-03-23 주식회사 포스코 용철 제조용 풍구 및 이를 이용한 가스 취입 방법
KR100930677B1 (ko) * 2007-12-24 2009-12-09 주식회사 포스코 풍구 조립체
JP5824810B2 (ja) 2010-01-29 2015-12-02 Ｊｆｅスチール株式会社 高炉操業方法
CN201746566U (zh) * 2010-03-04 2011-02-16 卡卢金封闭式集资股份公司 格子砖

Also Published As

Publication number Publication date
CN104471080B (zh) 2018-09-18
EP2873741A4 (en) 2015-08-19
AU2013287646B2 (en) 2015-05-14
JP5522326B1 (ja) 2014-06-18
AU2013287646A1 (en) 2015-02-05
US20150184263A1 (en) 2015-07-02
KR20150018892A (ko) 2015-02-24
EP2873741A1 (en) 2015-05-20
JPWO2014010660A1 (ja) 2016-06-23
WO2014010660A9 (ja) 2014-05-01
US9309578B2 (en) 2016-04-12
EP2873741B1 (en) 2017-06-21
KR101555222B1 (ko) 2015-09-23
CN104471080A (zh) 2015-03-25
WO2014010660A1 (ja) 2014-01-16

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