IN2014KN01261A - - Google Patents

Info

Publication number
IN2014KN01261A
IN2014KN01261A IN1261KON2014A IN2014KN01261A IN 2014KN01261 A IN2014KN01261 A IN 2014KN01261A IN 1261KON2014 A IN1261KON2014 A IN 1261KON2014A IN 2014KN01261 A IN2014KN01261 A IN 2014KN01261A
Authority
IN
India
Prior art keywords
pulverized coal
double walled
lance
blown
pipe
Prior art date
Application number
Other languages
English (en)
Inventor
Daiki Fujiwara
Akinori Murao
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
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=IN2014KN01261(A) "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
Publication of IN2014KN01261A publication Critical patent/IN2014KN01261A/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
    • 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)
IN1261KON2014 2011-12-21 2012-03-01 IN2014KN01261A (pl)

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 (ja) 2011-12-21 2012-03-01 高炉操業方法

Publications (1)

Publication Number Publication Date
IN2014KN01261A true IN2014KN01261A (pl) 2015-10-16

Family

ID=48669724

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1261KON2014 IN2014KN01261A (pl) 2011-12-21 2012-03-01

Country Status (8)

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

Families Citing this family (4)

* 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
AU2020393659B2 (en) * 2019-11-29 2023-07-20 Jfe Steel Corporation Blast furnace operation method
CN118345209B (zh) * 2024-06-18 2024-08-27 山西晋南钢铁集团有限公司 一种高炉喷煤用煤粉分配器装置

Family Cites Families (20)

* 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
CN1093882C (zh) * 1998-08-13 2002-11-06 浦项综合制铁株式会社 用于高炉的粉煤喷射装置
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
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
CN102268496B (zh) * 2011-08-01 2013-01-02 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
AU2012355194A1 (en) 2014-07-24
EP2796566A4 (en) 2015-12-02
EP2796566B1 (en) 2018-08-29
EP4283233A1 (en) 2023-11-29
TW201326405A (zh) 2013-07-01
EP3421618B1 (en) 2023-09-13
CN104024440B (zh) 2016-01-20
CN104024440A (zh) 2014-09-03
BR112014015336A2 (pt) 2017-06-13
BR112014015336B1 (pt) 2019-05-14
KR20140109964A (ko) 2014-09-16
WO2013094230A1 (ja) 2013-06-27
EP2796566A1 (en) 2014-10-29
AU2012355194B2 (en) 2015-09-03
TWI487791B (zh) 2015-06-11
EP3421618A1 (en) 2019-01-02
BR112014015336A8 (pt) 2017-06-13
KR101629123B1 (ko) 2016-06-09

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