KR101629122B1 - 고로 조업 방법 - Google Patents

고로 조업 방법 Download PDF

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Publication number
KR101629122B1
KR101629122B1 KR1020147019597A KR20147019597A KR101629122B1 KR 101629122 B1 KR101629122 B1 KR 101629122B1 KR 1020147019597 A KR1020147019597 A KR 1020147019597A KR 20147019597 A KR20147019597 A KR 20147019597A KR 101629122 B1 KR101629122 B1 KR 101629122B1
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KR
South Korea
Prior art keywords
pulverized coal
lance
gas
tube
pipe
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KR1020147019597A
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English (en)
Korean (ko)
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KR20140109963A (ko
Inventor
아키노리 무라오
다이키 후지와라
시로 와타카베
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제이에프이 스틸 가부시키가이샤
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Priority claimed from JP2011279955A external-priority patent/JP5923968B2/ja
Application filed by 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Publication of KR20140109963A publication Critical patent/KR20140109963A/ko
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/001Injecting additional fuel or reducing agents
    • C21B5/003Injection of pulverulent coal
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • C21B7/16Tuyéres
    • C21B7/163Blowpipe assembly
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/001Injecting additional fuel or reducing agents
    • C21B2005/005Selection or treatment of the reducing gases

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  • 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)
KR1020147019597A 2011-12-21 2012-03-01 고로 조업 방법 Active KR101629122B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2011-279955 2011-12-21
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 (2)

Publication Number Publication Date
KR20140109963A KR20140109963A (ko) 2014-09-16
KR101629122B1 true KR101629122B1 (ko) 2016-06-09

Family

ID=48669723

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147019597A Active KR101629122B1 (ko) 2011-12-21 2012-03-01 고로 조업 방법

Country Status (7)

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003286511A (ja) 2002-03-29 2003-10-10 Nippon Steel Corp 高炉での低揮発分微粉炭の燃焼性向上方法
JP2005240089A (ja) 2004-02-26 2005-09-08 Jfe Steel Kk 微粉炭吹き込み方法及び装置

Family Cites Families (12)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003286511A (ja) 2002-03-29 2003-10-10 Nippon Steel Corp 高炉での低揮発分微粉炭の燃焼性向上方法
JP2005240089A (ja) 2004-02-26 2005-09-08 Jfe Steel Kk 微粉炭吹き込み方法及び装置

Also Published As

Publication number Publication date
AU2012355193B2 (en) 2015-09-10
CN104039985A (zh) 2014-09-10
WO2013094229A1 (ja) 2013-06-27
TWI495729B (zh) 2015-08-11
EP2796565A1 (en) 2014-10-29
KR20140109963A (ko) 2014-09-16
TW201326404A (zh) 2013-07-01
EP2796565A4 (en) 2015-11-04
EP2796565B1 (en) 2017-10-04
IN2014KN01257A (enrdf_load_stackoverflow) 2015-10-16
AU2012355193A1 (en) 2014-07-24

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