EP2796565A4 - Blast furnace operation method - Google Patents

Blast furnace operation method

Info

Publication number
EP2796565A4
EP2796565A4 EP12859458.7A EP12859458A EP2796565A4 EP 2796565 A4 EP2796565 A4 EP 2796565A4 EP 12859458 A EP12859458 A EP 12859458A EP 2796565 A4 EP2796565 A4 EP 2796565A4
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
EP12859458.7A
Other languages
German (de)
French (fr)
Other versions
EP2796565B1 (en
EP2796565A1 (en
Inventor
Akinori Murao
Daiki Fujiwara
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
Priority claimed from JP2011279955A external-priority patent/JP5923968B2/en
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2796565A1 publication Critical patent/EP2796565A1/en
Publication of EP2796565A4 publication Critical patent/EP2796565A4/en
Application granted granted Critical
Publication of EP2796565B1 publication Critical patent/EP2796565B1/en
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
    • 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)
EP12859458.7A 2011-12-21 2012-03-01 Blast furnace operation method Active EP2796565B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011279955A JP5923968B2 (en) 2010-12-27 2011-12-21 Blast furnace operation method
PCT/JP2012/055886 WO2013094229A1 (en) 2011-12-21 2012-03-01 Blast furnace operation method

Publications (3)

Publication Number Publication Date
EP2796565A1 EP2796565A1 (en) 2014-10-29
EP2796565A4 true EP2796565A4 (en) 2015-11-04
EP2796565B1 EP2796565B1 (en) 2017-10-04

Family

ID=48669723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12859458.7A Active EP2796565B1 (en) 2011-12-21 2012-03-01 Blast furnace operation method

Country Status (7)

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06128614A (en) * 1992-10-14 1994-05-10 Nippon Steel Corp Operation of blast furnace
JP2006241586A (en) * 2004-09-30 2006-09-14 Jfe Steel Kk Device for blowing reducing material into blast furnace, and method for operating blast furnace with the use of the device
JP2011168882A (en) * 2010-01-19 2011-09-01 Jfe Steel Corp Method for operating blast furnace

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2986244B2 (en) * 1991-05-22 1999-12-06 川崎製鉄株式会社 Pulverized coal injection lance for blast furnace
JP2994141B2 (en) * 1992-06-16 1999-12-27 川崎製鉄株式会社 How to inject powder fuel into the blast furnace
JP2953255B2 (en) * 1993-05-25 1999-09-27 日本鋼管株式会社 Method and apparatus for injecting solid fuel into blast furnace
JP3493937B2 (en) 1997-03-14 2004-02-03 Ｊｆｅスチール株式会社 How to blow pulverized coal into the blast furnace
JP3450205B2 (en) 1998-12-25 2003-09-22 株式会社神戸製鋼所 How to inject auxiliary fuel into the blast furnace
JP3620407B2 (en) * 2000-05-16 2005-02-16 Ｊｆｅスチール株式会社 Operation method of pulverized coal injection to blast furnace
JP2002047359A (en) 2000-08-01 2002-02-12 C I Kasei Co Ltd Antibiotic polystylene heat shrinkable film
KR100431868B1 (en) 2000-12-13 2004-05-20 주식회사 포스코 lance for supplying fine coal and method for using its
JP4074467B2 (en) * 2002-03-29 2008-04-09 新日本製鐵株式会社 Method for improving combustibility of low volatile pulverized coal in blast furnace
JP4292578B2 (en) * 2004-02-26 2009-07-08 Ｊｆｅスチール株式会社 Method and apparatus for blowing pulverized coal
TWI277654B (en) * 2005-01-31 2007-04-01 Jfe Steel Corp Method for operating blast furnace

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06128614A (en) * 1992-10-14 1994-05-10 Nippon Steel Corp Operation of blast furnace
JP2006241586A (en) * 2004-09-30 2006-09-14 Jfe Steel Kk Device for blowing reducing material into blast furnace, and method for operating blast furnace with the use of the device
JP2011168882A (en) * 2010-01-19 2011-09-01 Jfe Steel Corp Method for operating blast furnace

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013094229A1 *

Also Published As

Publication number Publication date
CN104039985A (en) 2014-09-10
TWI495729B (en) 2015-08-11
EP2796565B1 (en) 2017-10-04
IN2014KN01257A (en) 2015-10-16
EP2796565A1 (en) 2014-10-29
AU2012355193B2 (en) 2015-09-10
WO2013094229A1 (en) 2013-06-27
AU2012355193A1 (en) 2014-07-24
KR101629122B1 (en) 2016-06-09
KR20140109963A (en) 2014-09-16
TW201326404A (en) 2013-07-01

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