CN104039985A - 高炉操作方法 - Google Patents

高炉操作方法 Download PDF

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Publication number
CN104039985A
CN104039985A CN201280064116.0A CN201280064116A CN104039985A CN 104039985 A CN104039985 A CN 104039985A CN 201280064116 A CN201280064116 A CN 201280064116A CN 104039985 A CN104039985 A CN 104039985A
Authority
CN
China
Prior art keywords
gas
blast furnace
pulverized coal
combustion
volume
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.)
Pending
Application number
CN201280064116.0A
Other languages
English (en)
Chinese (zh)
Inventor
村尾明纪
藤原大树
渡壁史朗
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 Engineering Corp
Original Assignee
NKK 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/ja
Application filed by NKK Corp filed Critical NKK Corp
Publication of CN104039985A publication Critical patent/CN104039985A/zh
Pending legal-status Critical Current

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)
CN201280064116.0A 2011-12-21 2012-03-01 高炉操作方法 Pending CN104039985A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011279955A JP5923968B2 (ja) 2010-12-27 2011-12-21 高炉操業方法
JP2011-279955 2011-12-21
PCT/JP2012/055886 WO2013094229A1 (ja) 2011-12-21 2012-03-01 高炉操業方法

Publications (1)

Publication Number Publication Date
CN104039985A true CN104039985A (zh) 2014-09-10

Family

ID=48669723

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280064116.0A Pending CN104039985A (zh) 2011-12-21 2012-03-01 高炉操作方法

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH062020A (ja) * 1992-06-16 1994-01-11 Kawasaki Steel Corp 高炉への粉体燃料の吹込み方法
JPH06330113A (ja) * 1993-05-25 1994-11-29 Nkk Corp 高炉内への固体燃料吹込み方法
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

Family Cites Families (11)

* 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
JPH06128614A (ja) * 1992-10-14 1994-05-10 Nippon Steel Corp 高炉操業法
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
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
JP4292578B2 (ja) * 2004-02-26 2009-07-08 Ｊｆｅスチール株式会社 微粉炭吹き込み方法及び装置
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH062020A (ja) * 1992-06-16 1994-01-11 Kawasaki Steel Corp 高炉への粉体燃料の吹込み方法
JPH06330113A (ja) * 1993-05-25 1994-11-29 Nkk Corp 高炉内への固体燃料吹込み方法
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

Also Published As

Publication number Publication date
TW201326404A (zh) 2013-07-01
AU2012355193B2 (en) 2015-09-10
WO2013094229A1 (ja) 2013-06-27
AU2012355193A1 (en) 2014-07-24
EP2796565B1 (en) 2017-10-04
KR20140109963A (ko) 2014-09-16
TWI495729B (zh) 2015-08-11
KR101629122B1 (ko) 2016-06-09
EP2796565A4 (en) 2015-11-04
IN2014KN01257A (enExample) 2015-10-16
EP2796565A1 (en) 2014-10-29

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140910