BRPI0821527B8 - montagem de alcavariz - Google Patents

montagem de alcavariz

Info

Publication number
BRPI0821527B8
BRPI0821527B8 BRPI0821527A BRPI0821527A BRPI0821527B8 BR PI0821527 B8 BRPI0821527 B8 BR PI0821527B8 BR PI0821527 A BRPI0821527 A BR PI0821527A BR PI0821527 A BRPI0821527 A BR PI0821527A BR PI0821527 B8 BRPI0821527 B8 BR PI0821527B8
Authority
BR
Brazil
Prior art keywords
mortar assembly
mortar
assembly
Prior art date
Application number
BRPI0821527A
Other languages
English (en)
Inventor
Choi Eung-Soo
Bae Jin-Chan
Seo Weon-Seog
Original Assignee
Posco
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 Posco filed Critical Posco
Publication of BRPI0821527A2 publication Critical patent/BRPI0821527A2/pt
Publication of BRPI0821527B1 publication Critical patent/BRPI0821527B1/pt
Publication of BRPI0821527B8 publication Critical patent/BRPI0821527B8/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • C21B7/16Tuyéres
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • C21B7/16Tuyéres
    • C21B7/163Blowpipe assembly
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002Reduction of iron ores by passing through a heated column of carbon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00Shaft or like vertical or substantially vertical furnaces
    • F27B1/10Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/16Arrangements of tuyeres

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)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)
  • Feeding And Controlling Fuel (AREA)
BRPI0821527A 2007-12-24 2008-12-17 montagem de alcavariz BRPI0821527B8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070135976A KR100930677B1 (ko) 2007-12-24 2007-12-24 풍구 조립체
PCT/KR2008/007478 WO2009082122A2 (en) 2007-12-24 2008-12-17 Tuyere assembly

Publications (3)

Publication Number Publication Date
BRPI0821527A2 BRPI0821527A2 (pt) 2015-06-16
BRPI0821527B1 BRPI0821527B1 (pt) 2017-04-11
BRPI0821527B8 true BRPI0821527B8 (pt) 2017-11-07

Family

ID=40801665

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0821527A BRPI0821527B8 (pt) 2007-12-24 2008-12-17 montagem de alcavariz

Country Status (4)

Country Link
KR (1) KR100930677B1 (pt)
CN (1) CN101910419B (pt)
BR (1) BRPI0821527B8 (pt)
WO (1) WO2009082122A2 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU91543B1 (en) * 2009-03-24 2010-09-27 Wurth Paul Sa Tuyere stock arrangement for a blast furnace and method for operating a blast furnace
KR20130072684A (ko) * 2011-12-22 2013-07-02 주식회사 포스코 풍구 조립체 및 이를 이용한 용철제조장치
WO2014010660A1 (ja) * 2012-07-13 2014-01-16 Jfeスチール株式会社 高炉操業方法及び管束型ランス

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320987A1 (fr) * 1975-08-13 1977-03-11 Sprunck Emile Tuyere de haut fourneau
JPS62263906A (ja) * 1986-05-12 1987-11-16 Sumitomo Metal Ind Ltd 高炉羽口からの微粉炭吹込み方法
JP2901998B2 (ja) * 1989-07-24 1999-06-07 川崎製鉄株式会社 高炉への微粉炭吹込み方法
JPH05125411A (ja) * 1991-11-05 1993-05-21 Kawasaki Steel Corp 竪型炉羽口粉体吹込方法及び装置
KR100510829B1 (ko) * 2000-10-26 2005-08-30 주식회사 포스코 용융로의 분체 및 액체 취입 풍구
KR100782684B1 (ko) * 2001-07-10 2007-12-07 주식회사 포스코 고로내 미분의 고체연료 취입장치
EP1580283A1 (en) * 2004-03-26 2005-09-28 Paul Wurth S.A. Method for protecting a tuyere assembly and a refractory lining of a furnace

Also Published As

Publication number Publication date
WO2009082122A2 (en) 2009-07-02
KR20090068394A (ko) 2009-06-29
KR100930677B1 (ko) 2009-12-09
BRPI0821527B1 (pt) 2017-04-11
WO2009082122A3 (en) 2009-09-17
CN101910419A (zh) 2010-12-08
BRPI0821527A2 (pt) 2015-06-16
CN101910419B (zh) 2012-09-05

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Legal Events

Date Code Title Description
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/12/2008, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/12/2008, OBSERVADAS AS CONDICOES LEGAIS. (CO) CARTA PATENTE CORRIGIDA, REFERENTE RPI2414 11/04/2017. QUANTO AO ENDERECO DO TITULAR.