JP5522325B1 - 高炉操業方法 - Google Patents

高炉操業方法 Download PDF

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Publication number
JP5522325B1
JP5522325B1 JP2013553691A JP2013553691A JP5522325B1 JP 5522325 B1 JP5522325 B1 JP 5522325B1 JP 2013553691 A JP2013553691 A JP 2013553691A JP 2013553691 A JP2013553691 A JP 2013553691A JP 5522325 B1 JP5522325 B1 JP 5522325B1
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JP
Japan
Prior art keywords
pulverized coal
lance
blown
furnace
reducing material
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JP2013553691A
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English (en)
Japanese (ja)
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JPWO2014007152A1 (ja
Inventor
大樹 藤原
明紀 村尾
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
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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.)
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Priority to JP2013553691A priority Critical patent/JP5522325B1/ja
Application granted granted Critical
Publication of JP5522325B1 publication Critical patent/JP5522325B1/ja
Publication of JPWO2014007152A1 publication Critical patent/JPWO2014007152A1/ja
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    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • C21B7/163—Blowpipe assembly

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)
JP2013553691A 2012-07-03 2013-06-28 高炉操業方法 Active JP5522325B1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013553691A JP5522325B1 (ja) 2012-07-03 2013-06-28 高炉操業方法

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2012149384 2012-07-03
JP2012149384 2012-07-03
JP2013077526 2013-04-03
JP2013077526 2013-04-03
PCT/JP2013/067788 WO2014007152A1 (ja) 2012-07-03 2013-06-28 高炉操業方法
JP2013553691A JP5522325B1 (ja) 2012-07-03 2013-06-28 高炉操業方法

Publications (2)

Publication Number Publication Date
JP5522325B1 true JP5522325B1 (ja) 2014-06-18
JPWO2014007152A1 JPWO2014007152A1 (ja) 2016-06-02

Family

ID=49881908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013553691A Active JP5522325B1 (ja) 2012-07-03 2013-06-28 高炉操業方法

Country Status (6)

Country Link
EP (1) EP2871247B1 (de)
JP (1) JP5522325B1 (de)
KR (1) KR101608231B1 (de)
CN (1) CN104379770B (de)
AU (1) AU2013284587B2 (de)
WO (1) WO2014007152A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6061107B2 (ja) * 2014-02-17 2017-01-18 Ｊｆｅスチール株式会社 高炉操業方法
JP6337613B2 (ja) * 2014-05-23 2018-06-06 新日鐵住金株式会社 高炉の操業方法
KR20180119713A (ko) * 2014-08-27 2018-11-02 제이에프이 스틸 가부시키가이샤 산소 고로로의 미분탄 취입 방법
CN108220515B (zh) * 2018-03-01 2019-09-03 东北大学 一种垂直两段式高炉喷吹煤粉方法
CN108265141B (zh) * 2018-03-01 2019-10-08 东北大学 一种垂直两段式高炉喷吹煤粉装置
CN108265146B (zh) * 2018-03-01 2019-09-03 东北大学 一种改善高炉内煤气流分布的垂直式装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10310808A (ja) * 1997-05-08 1998-11-24 Nkk Corp 高炉操業方法
JP2005082852A (ja) * 2003-09-08 2005-03-31 Nippon Steel Corp 粉体の輸送装置及びその輸送方法
JP2006241493A (ja) * 2005-03-01 2006-09-14 Jfe Steel Kk 高炉操業方法
JP2011127176A (ja) * 2009-12-17 2011-06-30 Kobe Steel Ltd 高炉の操業方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490171A (en) * 1982-03-31 1984-12-25 Kobe Steel, Limited Method and apparatus for injecting pulverized fuel into a blast furnace
JPS6043403B2 (ja) * 1982-03-31 1985-09-27 新日本製鐵株式会社 微粉炭吹込みによる高炉操炉方法
GB8506655D0 (en) * 1985-03-14 1985-04-17 British Steel Corp Smelting shaft furnaces
US4844737A (en) * 1986-12-27 1989-07-04 Nippon Kokan Kabushiki Kaisha Method for operating a blast furnance by blowing pulverized coal
BE1000893A7 (fr) * 1987-09-04 1989-05-09 Centre Rech Metallurgique Procede pour la reduction des minerais au four a cuve.
CN2219896Y (zh) * 1995-02-24 1996-02-14 冶金工业部钢铁研究总院 高炉风口氧煤燃烧器
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
JP3644856B2 (ja) 1999-10-20 2005-05-11 株式会社神戸製鋼所 高炉への補助燃料吹込み操業方法
JP4224218B2 (ja) 2001-02-15 2009-02-12 新日本製鐵株式会社 高炉での低揮発分炭の使用方法
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
JP5070706B2 (ja) 2005-01-31 2012-11-14 Ｊｆｅスチール株式会社 高炉操業方法
LU91691B1 (en) * 2010-05-26 2011-11-28 Wurth Paul Sa Tuyere stock arrangement of a blast furnace

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10310808A (ja) * 1997-05-08 1998-11-24 Nkk Corp 高炉操業方法
JP2005082852A (ja) * 2003-09-08 2005-03-31 Nippon Steel Corp 粉体の輸送装置及びその輸送方法
JP2006241493A (ja) * 2005-03-01 2006-09-14 Jfe Steel Kk 高炉操業方法
JP2011127176A (ja) * 2009-12-17 2011-06-30 Kobe Steel Ltd 高炉の操業方法

Also Published As

Publication number Publication date
KR101608231B1 (ko) 2016-04-01
AU2013284587B2 (en) 2015-05-14
JPWO2014007152A1 (ja) 2016-06-02
KR20150023045A (ko) 2015-03-04
EP2871247A4 (de) 2015-08-05
AU2013284587A1 (en) 2015-02-19
WO2014007152A1 (ja) 2014-01-09
CN104379770A (zh) 2015-02-25
EP2871247A1 (de) 2015-05-13
EP2871247B1 (de) 2017-05-10
CN104379770B (zh) 2016-08-17

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