BRPI1011898A2 - método para operar alto-forno - Google Patents

método para operar alto-forno

Info

Publication number
BRPI1011898A2
BRPI1011898A2 BRPI1011898A BRPI1011898A BRPI1011898A2 BR PI1011898 A2 BRPI1011898 A2 BR PI1011898A2 BR PI1011898 A BRPI1011898 A BR PI1011898A BR PI1011898 A BRPI1011898 A BR PI1011898A BR PI1011898 A2 BRPI1011898 A2 BR PI1011898A2
Authority
BR
Brazil
Prior art keywords
blast furnace
operate
operate blast
furnace
blast
Prior art date
Application number
BRPI1011898A
Other languages
English (en)
Inventor
Akinori Murao
Minoru Asanuma
Naoyuki Takeuchi
Taihei Nouchi
Takeshi Sato
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43032306&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1011898(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of BRPI1011898A2 publication Critical patent/BRPI1011898A2/pt
Publication of BRPI1011898B1 publication Critical patent/BRPI1011898B1/pt

Links

Classifications

    • 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
    • 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
    • C21B7/007—Controlling or regulating of the top pressure
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/14—Preheating the combustion air
    • 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
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2250/00—Specific additives; Means for adding material different from burners or lances
    • C21C2250/02—Hot oxygen
    • 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
    • Y02P10/20—Recycling
    • 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)
  • Combustion & Propulsion (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
BRPI1011898-5A 2009-04-30 2010-04-30 Método para operar alto-forno BRPI1011898B1 (pt)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
JP2009111001 2009-04-30
JP2009-111001 2009-04-30
JP2009-110417 2009-04-30
JP2009110417 2009-04-30
JP2009237033 2009-10-14
JP2009-237033 2009-10-14
JP2009-291611 2009-12-24
JP2009291611 2009-12-24
JP2010-102884 2010-04-28
JP2010102884A JP4743332B2 (ja) 2009-04-30 2010-04-28 高炉操業方法
PCT/JP2010/057985 WO2010126172A1 (ja) 2009-04-30 2010-04-30 高炉操業方法

Publications (2)

Publication Number Publication Date
BRPI1011898A2 true BRPI1011898A2 (pt) 2016-04-12
BRPI1011898B1 BRPI1011898B1 (pt) 2019-02-19

Family

ID=43032306

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1011898-5A BRPI1011898B1 (pt) 2009-04-30 2010-04-30 Método para operar alto-forno

Country Status (6)

Country Link
EP (1) EP2410065B1 (pt)
JP (1) JP4743332B2 (pt)
KR (1) KR101321653B1 (pt)
CN (1) CN102414328B (pt)
BR (1) BRPI1011898B1 (pt)
WO (1) WO2010126172A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5962912B2 (ja) * 2012-08-20 2016-08-03 Ｊｆｅスチール株式会社 高炉操業方法
JP6167837B2 (ja) * 2013-10-15 2017-07-26 新日鐵住金株式会社 直接還元方法
CN104212924B (zh) * 2014-09-03 2016-08-24 江苏省沙钢钢铁研究院有限公司 一种高炉气流分布的检测方法
CN109237946A (zh) * 2018-10-29 2019-01-18 湘潭昭峰炉业科技有限公司 一种负压钢带式蒸馏炉
CN114182050A (zh) * 2021-09-23 2022-03-15 中冶赛迪工程技术股份有限公司 一种确定炉身喷吹最佳位置的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033305A (ja) * 1983-08-04 1985-02-20 Nippon Steel Corp 高炉操業法
JPS6227509A (ja) * 1985-07-26 1987-02-05 Nippon Kokan Kk <Nkk> 高炉操業方法
AU596253B2 (en) * 1986-12-27 1990-04-26 Nippon Kokan Kabushiki Kaisha A blast furnace
JPS63282203A (ja) * 1987-05-15 1988-11-18 Nkk Corp 高炉操業方法
JPH0472904A (ja) * 1990-07-13 1992-03-06 Hitachi Denshi Ltd ケーブル伝送信号の補正装置
JPH09272904A (ja) * 1996-02-06 1997-10-21 Nkk Corp 高炉のシミュレーション方法及びそのシミュレーション方法を用いた高炉内原料降下評価装置
US6030430A (en) * 1998-07-24 2000-02-29 Material Conversions, Inc. Blast furnace with narrowed top section and method of using
JP2001200307A (ja) * 2000-01-19 2001-07-24 Nkk Corp 高炉シャフト部への予熱ガス吹込み装置
JP4427295B2 (ja) * 2003-09-29 2010-03-03 新日本製鐵株式会社 還元性ガスの脱硫方法、高炉操業方法および還元性ガスの利用方法
CN1916187A (zh) * 2006-09-12 2007-02-21 沈阳东方钢铁有限公司 纯氧煤气高炉炼铁工艺和设备
JP4702309B2 (ja) * 2007-03-08 2011-06-15 Ｊｆｅスチール株式会社 高炉の操業方法
JP4697340B2 (ja) * 2009-05-29 2011-06-08 Ｊｆｅスチール株式会社 高炉操業方法

Also Published As

Publication number Publication date
JP4743332B2 (ja) 2011-08-10
BRPI1011898B1 (pt) 2019-02-19
KR101321653B1 (ko) 2013-10-23
EP2410065B1 (en) 2019-06-05
JP2011149085A (ja) 2011-08-04
KR20120008520A (ko) 2012-01-30
EP2410065A1 (en) 2012-01-25
CN102414328B (zh) 2014-03-05
CN102414328A (zh) 2012-04-11
EP2410065A4 (en) 2017-06-07
WO2010126172A1 (ja) 2010-11-04

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09W Correction of the decision to grant [chapter 9.1.4 patent gazette]

Free format text: REFERENTE A RPI 2437 DE 19/09/2017.

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 30/04/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/04/2010, OBSERVADAS AS CONDICOES LEGAIS

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2772 DE 20-02-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.