BRPI0917177A2 - método de supressão de vazamento irregular de alto-forno - Google Patents

método de supressão de vazamento irregular de alto-forno

Info

Publication number
BRPI0917177A2
BRPI0917177A2 BRPI0917177A BRPI0917177A BRPI0917177A2 BR PI0917177 A2 BRPI0917177 A2 BR PI0917177A2 BR PI0917177 A BRPI0917177 A BR PI0917177A BR PI0917177 A BRPI0917177 A BR PI0917177A BR PI0917177 A2 BRPI0917177 A2 BR PI0917177A2
Authority
BR
Brazil
Prior art keywords
blast furnace
suppression method
leak suppression
furnace leak
irregular
Prior art date
Application number
BRPI0917177A
Other languages
English (en)
Inventor
Hiroaki Ootsubo
Michio Nitta
Tuyoshi Matuda
Yasunari Matsumura
Original Assignee
Nippon 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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BRPI0917177A2 publication Critical patent/BRPI0917177A2/pt
Publication of BRPI0917177B1 publication Critical patent/BRPI0917177B1/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/21—Arrangements of devices for discharging
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/04—Blast furnaces with special refractories
    • C21B7/06—Linings for furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/14—Discharging devices, e.g. for slag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
BRPI0917177-0A 2008-08-28 2009-08-21 High-oven irregular leak suppression method BRPI0917177B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008219144A JP4516995B2 (ja) 2008-08-28 2008-08-28 高炉荒れ出銑抑制方法
JP2008-219144 2008-08-28
PCT/JP2009/065011 WO2010024360A1 (ja) 2008-08-28 2009-08-21 高炉荒れ出銑抑制方法

Publications (2)

Publication Number Publication Date
BRPI0917177A2 true BRPI0917177A2 (pt) 2015-11-10
BRPI0917177B1 BRPI0917177B1 (pt) 2017-09-12

Family

ID=41721525

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0917177-0A BRPI0917177B1 (pt) 2008-08-28 2009-08-21 High-oven irregular leak suppression method

Country Status (5)

Country Link
JP (1) JP4516995B2 (pt)
KR (1) KR101235550B1 (pt)
CN (1) CN102057057B (pt)
BR (1) BRPI0917177B1 (pt)
WO (1) WO2010024360A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102719583A (zh) * 2012-07-03 2012-10-10 鞍钢集团工程技术有限公司 一种延长高炉炉缸、炉底寿命的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527308A (en) * 1975-07-08 1977-01-20 Sumitomo Metal Ind Ltd Method and apparatus for gas sealing of tap hole in blast furnaces
SE434650B (sv) * 1982-06-09 1984-08-06 Skf Steel Eng Ab Sett vid utnyttjande av plasmagenerator for hojning av blestertemperaturen i en schaktugn
JPS63297487A (ja) * 1987-05-29 1988-12-05 Harima Ceramic Co Ltd 間隙部充填用圧入材
JPH0535841A (ja) * 1991-07-31 1993-02-12 Toshiba Corp 画像記憶装置
JPH0535841U (ja) * 1991-10-16 1993-05-14 住友金属工業株式会社 高炉出銑口の耐火物補修装置
JP2617859B2 (ja) * 1992-09-18 1997-06-04 新日本製鐵株式会社 精錬容器の圧入補修方法
JPH11229011A (ja) * 1998-02-16 1999-08-24 Kawasaki Steel Corp 高炉炉体の補修方法
JPH11293310A (ja) * 1998-04-13 1999-10-26 Nippon Steel Corp 高炉炉底側壁補修方法及び装置

Also Published As

Publication number Publication date
CN102057057B (zh) 2013-04-10
JP4516995B2 (ja) 2010-08-04
BRPI0917177B1 (pt) 2017-09-12
KR101235550B1 (ko) 2013-02-21
JP2010053396A (ja) 2010-03-11
CN102057057A (zh) 2011-05-11
WO2010024360A1 (ja) 2010-03-04
KR20110023909A (ko) 2011-03-08

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

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

Free format text: REFERENTE A 13A 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 2685 DE 21-06-2022 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.