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BRPI0807245A2 - "METHOD FOR THE REMOVAL OF HIGH-OVEN RESIDUAL RAINWAY" - Google Patents

"METHOD FOR THE REMOVAL OF HIGH-OVEN RESIDUAL RAINWAY"

Info

Publication number
BRPI0807245A2
BRPI0807245A2 BRPI0807245-0A2A BRPI0807245A BRPI0807245A2 BR PI0807245 A2 BRPI0807245 A2 BR PI0807245A2 BR PI0807245 A BRPI0807245 A BR PI0807245A BR PI0807245 A2 BRPI0807245 A2 BR PI0807245A2
Authority
BR
Brazil
Prior art keywords
rainway
removal
oven residual
oven
residual
Prior art date
Application number
BRPI0807245-0A2A
Other languages
Portuguese (pt)
Inventor
Hiroshi Takasaki
Manabu Gotou
Yuuichi Takeda
Original Assignee
Nippon Steel Eng Co Ltd
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
Application filed by Nippon Steel Eng Co Ltd filed Critical Nippon Steel Eng Co Ltd
Publication of BRPI0807245A2 publication Critical patent/BRPI0807245A2/en
Publication of BRPI0807245B1 publication Critical patent/BRPI0807245B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Blast Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
BRPI0807245A 2007-06-19 2008-03-13 method for removal of residual pig iron from the blast furnace BRPI0807245B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007161489A JP5225614B2 (en) 2007-06-19 2007-06-19 How to remove blast furnace residue
PCT/JP2008/054614 WO2008155934A1 (en) 2007-06-19 2008-03-13 Method of removing residual pig iron from blast furnace

Publications (2)

Publication Number Publication Date
BRPI0807245A2 true BRPI0807245A2 (en) 2014-11-11
BRPI0807245B1 BRPI0807245B1 (en) 2016-12-20

Family

ID=40156096

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0807245A BRPI0807245B1 (en) 2007-06-19 2008-03-13 method for removal of residual pig iron from the blast furnace

Country Status (5)

Country Link
JP (1) JP5225614B2 (en)
KR (1) KR101414550B1 (en)
CN (1) CN101636509A (en)
BR (1) BRPI0807245B1 (en)
WO (1) WO2008155934A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7208858B2 (en) * 2019-05-16 2023-01-19 日本製鉄株式会社 Method for cutting blast furnace residual iron

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2602407B2 (en) * 1994-01-07 1997-04-23 川崎製鉄株式会社 How to remove the contents of the blast furnace bottom from the furnace
JP3589161B2 (en) 2000-07-13 2004-11-17 Ｊｆｅスチール株式会社 Dismantling method of blast furnace bottom
JP2003105413A (en) * 2001-09-27 2003-04-09 Sankyu Inc Blast furnace residual iron removal method
JP4758717B2 (en) * 2005-09-20 2011-08-31 新日鉄エンジニアリング株式会社 How to remove blast furnace residue

Also Published As

Publication number Publication date
JP2009001836A (en) 2009-01-08
CN101636509A (en) 2010-01-27
JP5225614B2 (en) 2013-07-03
BRPI0807245B1 (en) 2016-12-20
KR20100021400A (en) 2010-02-24
KR101414550B1 (en) 2014-07-03
WO2008155934A1 (en) 2008-12-24

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 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 13/03/2008, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 15A 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 2713 DE 03-01-2023 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.