IN2014KN01257A - - Google Patents

Info

Publication number
IN2014KN01257A
IN2014KN01257A IN1257KON2014A IN2014KN01257A IN 2014KN01257 A IN2014KN01257 A IN 2014KN01257A IN 1257KON2014 A IN1257KON2014 A IN 1257KON2014A IN 2014KN01257 A IN2014KN01257 A IN 2014KN01257A
Authority
IN
India
Prior art keywords
pulverized coal
lance
blowing
double piped
piped
Prior art date
Application number
Other languages
English (en)
Inventor
Akinori Murao
Daiki Fujiwara
Shiro Watakabe
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
Priority claimed from JP2011279955A external-priority patent/JP5923968B2/ja
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of IN2014KN01257A publication Critical patent/IN2014KN01257A/en

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
    • 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
    • C21B2005/005—Selection or treatment of the reducing gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Blast Furnaces (AREA)
IN1257KON2014 2011-12-21 2012-03-01 IN2014KN01257A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011279955A JP5923968B2 (ja) 2010-12-27 2011-12-21 高炉操業方法
PCT/JP2012/055886 WO2013094229A1 (ja) 2011-12-21 2012-03-01 高炉操業方法

Publications (1)

Publication Number Publication Date
IN2014KN01257A true IN2014KN01257A (ko) 2015-10-16

Family

ID=48669723

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1257KON2014 IN2014KN01257A (ko) 2011-12-21 2012-03-01

Country Status (7)

Country Link
EP (1) EP2796565B1 (ko)
KR (1) KR101629122B1 (ko)
CN (1) CN104039985A (ko)
AU (1) AU2012355193B2 (ko)
IN (1) IN2014KN01257A (ko)
TW (1) TWI495729B (ko)
WO (1) WO2013094229A1 (ko)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH06128614A (ja) * 1992-10-14 1994-05-10 Nippon Steel Corp 高炉操業法
JP2953255B2 (ja) * 1993-05-25 1999-09-27 日本鋼管株式会社 高炉内への固体燃料吹込み方法および装置
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
JP3450205B2 (ja) 1998-12-25 2003-09-22 株式会社神戸製鋼所 高炉への補助燃料吹込み方法
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
JP4292578B2 (ja) 2004-02-26 2009-07-08 Ｊｆｅスチール株式会社 微粉炭吹き込み方法及び装置
JP4997734B2 (ja) * 2004-09-30 2012-08-08 Ｊｆｅスチール株式会社 高炉への還元材吹込み装置、該装置を用いた高炉操業方法
TWI277654B (en) * 2005-01-31 2007-04-01 Jfe Steel Corp Method for operating blast furnace
JP5824811B2 (ja) * 2010-01-19 2015-12-02 Ｊｆｅスチール株式会社 高炉操業方法

Also Published As

Publication number Publication date
TW201326404A (zh) 2013-07-01
EP2796565A1 (en) 2014-10-29
WO2013094229A1 (ja) 2013-06-27
EP2796565A4 (en) 2015-11-04
CN104039985A (zh) 2014-09-10
AU2012355193A1 (en) 2014-07-24
AU2012355193B2 (en) 2015-09-10
EP2796565B1 (en) 2017-10-04
TWI495729B (zh) 2015-08-11
KR101629122B1 (ko) 2016-06-09
KR20140109963A (ko) 2014-09-16

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