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
Original Assignee
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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    • 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)
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 (enExample)
KR (1) KR101629122B1 (enExample)
CN (1) CN104039985A (enExample)
AU (1) AU2012355193B2 (enExample)
IN (1) IN2014KN01257A (enExample)
TW (1) TWI495729B (enExample)
WO (1) WO2013094229A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023128469A (ja) * 2022-03-03 2023-09-14 日本製鉄株式会社 微粉炭吹込み用ランス
JP2023128269A (ja) * 2022-03-03 2023-09-14 日本製鉄株式会社 高炉吹き込み用ランス及び高炉の操業方法

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

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