BR112013017667A2 - método para operação de alto forno - Google Patents

método para operação de alto forno

Info

Publication number
BR112013017667A2
BR112013017667A2 BR112013017667A BR112013017667A BR112013017667A2 BR 112013017667 A2 BR112013017667 A2 BR 112013017667A2 BR 112013017667 A BR112013017667 A BR 112013017667A BR 112013017667 A BR112013017667 A BR 112013017667A BR 112013017667 A2 BR112013017667 A2 BR 112013017667A2
Authority
BR
Brazil
Prior art keywords
blast furnace
furnace operation
blast
furnace
Prior art date
Application number
BR112013017667A
Other languages
English (en)
Other versions
BR112013017667B1 (pt
Inventor
Murao Akinori
Fujiwara Daiki
Watakabe Shiro
Morikawa Yasuyuki
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 JP2011007950A external-priority patent/JP5824811B2/ja
Priority claimed from JP2011007952A external-priority patent/JP5824813B2/ja
Priority claimed from JP2011007951A external-priority patent/JP5824812B2/ja
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of BR112013017667A2 publication Critical patent/BR112013017667A2/pt
Publication of BR112013017667B1 publication Critical patent/BR112013017667B1/pt

Links

Classifications

    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • 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
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • 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
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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)
BR112013017667-9A 2011-01-18 2011-07-15 Método para operação de alto forno BR112013017667B1 (pt)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2011007950A JP5824811B2 (ja) 2010-01-19 2011-01-18 高炉操業方法
JP2011-007951 2011-01-18
JP2011007952A JP5824813B2 (ja) 2010-01-19 2011-01-18 高炉操業方法
JP2011007951A JP5824812B2 (ja) 2010-01-19 2011-01-18 高炉操業方法
JP2011-007952 2011-01-18
JP2011-007950 2011-01-18
JP2011152080A JP5699834B2 (ja) 2011-07-08 2011-07-08 高炉操業方法
JP2011-152080 2011-07-08
PCT/JP2011/066781 WO2012098715A1 (ja) 2011-01-18 2011-07-15 高炉操業方法

Publications (2)

Publication Number Publication Date
BR112013017667A2 true BR112013017667A2 (pt) 2018-09-18
BR112013017667B1 BR112013017667B1 (pt) 2019-09-17

Family

ID=46515361

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013017667-9A BR112013017667B1 (pt) 2011-01-18 2011-07-15 Método para operação de alto forno

Country Status (8)

Country Link
EP (1) EP2653564B1 (pt)
JP (1) JP5699834B2 (pt)
KR (1) KR20130109237A (pt)
CN (1) CN103314118A (pt)
AU (1) AU2011356010B2 (pt)
BR (1) BR112013017667B1 (pt)
TW (1) TWI485256B (pt)
WO (1) WO2012098715A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5546675B1 (ja) * 2012-12-07 2014-07-09 新日鉄住金エンジニアリング株式会社 高炉の操業方法及び溶銑の製造方法
JPWO2015029424A1 (ja) * 2013-08-28 2017-03-02 Ｊｆｅスチール株式会社 高炉操業方法
TWI557373B (zh) * 2013-10-09 2016-11-11 中國鋼鐵股份有限公司 粉煤噴射方法
CN106103746B (zh) * 2014-03-26 2018-07-31 杰富意钢铁株式会社 氧气高炉的操作方法
JP6176362B2 (ja) * 2016-06-01 2017-08-09 Ｊｆｅスチール株式会社 高炉操業方法
JP6593394B2 (ja) * 2016-07-15 2019-10-23 Ｊｆｅスチール株式会社 高炉操業方法
JP6518954B2 (ja) * 2016-07-22 2019-05-29 Ｊｆｅスチール株式会社 高炉操業方法
KR101857909B1 (ko) * 2017-02-20 2018-05-14 현대제철 주식회사 고로의 수소가스 취입량 제어 방법
WO2018180892A1 (ja) * 2017-03-30 2018-10-04 Ｊｆｅスチール株式会社 高炉操業方法
EP4083234A4 (en) * 2019-12-26 2023-07-05 JFE Steel Corporation BLAST FURNACE OPERATION METHOD AND AUXILIARY BLAST FURNACE EQUIPMENT

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428208A (en) * 1977-08-05 1979-03-02 Nippon Tokushiyu Gijiyutsu Ken Blast furnace apparatus using gas mixture blown into through tuyere thereof* consiting of pulverised coal mixed with fuel oil or reducing gas and additional desufurizing agent
JPS5734198A (en) * 1980-08-11 1982-02-24 Sumitomo Metal Ind Ltd Fuel mixture for blast furnace
JPS62142706A (ja) * 1985-12-17 1987-06-26 Kawasaki Steel Corp 高炉内への粉粒体吹込み方法
JPS62222006A (ja) * 1986-03-20 1987-09-30 Nippon Steel Corp 高炉への吹込み粉体の切出し搬送方法
JPS6311608A (ja) 1986-03-28 1988-01-19 Kobe Steel Ltd 高炉への粉体燃料吹込方法
JPH03176680A (ja) 1989-12-06 1991-07-31 Hitachi Ltd Ｉｃ試験装置
DE69838523T2 (de) * 1997-11-04 2008-06-26 Jfe Steel Corp. Verfahren zum Betreiben eines Hochofens
JP2000160216A (ja) * 1998-11-25 2000-06-13 Nkk Corp 高炉の粉体吹き込み用ランス
JP2004091921A (ja) * 2002-08-15 2004-03-25 Jfe Steel Kk 高炉への固体燃料吹き込み方法及び吹き込みランス
JP5011702B2 (ja) * 2004-10-28 2012-08-29 Ｊｆｅスチール株式会社 高炉操業方法
JP5070706B2 (ja) * 2005-01-31 2012-11-14 Ｊｆｅスチール株式会社 高炉操業方法
TWI277654B (en) * 2005-01-31 2007-04-01 Jfe Steel Corp Method for operating blast furnace
TWI295869B (en) * 2006-04-04 2008-04-11 Kye Systems Corp Connector charger

Also Published As

Publication number Publication date
JP5699834B2 (ja) 2015-04-15
EP2653564A1 (en) 2013-10-23
AU2011356010A1 (en) 2013-07-25
TW201231679A (en) 2012-08-01
KR20130109237A (ko) 2013-10-07
AU2011356010B2 (en) 2015-04-30
TWI485256B (zh) 2015-05-21
EP2653564A4 (en) 2017-03-08
BR112013017667B1 (pt) 2019-09-17
EP2653564B1 (en) 2018-09-05
CN103314118A (zh) 2013-09-18
WO2012098715A1 (ja) 2012-07-26
JP2013019008A (ja) 2013-01-31

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE 3A. ANUIDADE.

B08H Application fees: decision cancelled [chapter 8.8 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 8.6 NA RPI NO 2501 DE 11/12/2018 POR TER SIDO INDEVIDA.

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/07/2011, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/07/2011, OBSERVADAS AS CONDICOES LEGAIS