BR112014004073A2 - produto refratário, e, válvula de lingotamento - Google Patents

produto refratário, e, válvula de lingotamento

Info

Publication number
BR112014004073A2
BR112014004073A2 BR112014004073A BR112014004073A BR112014004073A2 BR 112014004073 A2 BR112014004073 A2 BR 112014004073A2 BR 112014004073 A BR112014004073 A BR 112014004073A BR 112014004073 A BR112014004073 A BR 112014004073A BR 112014004073 A2 BR112014004073 A2 BR 112014004073A2
Authority
BR
Brazil
Prior art keywords
refractory
component
dog
cao
mgo
Prior art date
Application number
BR112014004073A
Other languages
English (en)
Other versions
BR112014004073B1 (pt
BR112014004073B8 (pt
Inventor
Sasaki Akinari
Morikawa Katsumi
Li Ling
Yoshitsugu Naomi
Original Assignee
Krosakiharima 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 Krosakiharima Corp filed Critical Krosakiharima Corp
Publication of BR112014004073A2 publication Critical patent/BR112014004073A2/pt
Publication of BR112014004073B1 publication Critical patent/BR112014004073B1/pt
Publication of BR112014004073B8 publication Critical patent/BR112014004073B8/pt

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/505—Rings, inserts or other means preventing external nozzle erosion by the slag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/52—Manufacturing or repairing thereof
    • B22D41/54—Manufacturing or repairing thereof characterised by the materials used therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/58—Pouring-nozzles with gas injecting means
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/06—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on oxide mixtures derived from dolomite
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    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249967—Inorganic matrix in void-containing component
    • Y10T428/249969—Of silicon-containing material [e.g., glass, etc.]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249967—Inorganic matrix in void-containing component
    • Y10T428/24997—Of metal-containing material
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less

Abstract

1 / 1 resumo “produto refratãrio, e, vãlvula de lingotamento” a presente invenã§ã£o refere-se ã  prevenã§ã£o a longo prazo de hidrataã§ã£o (extinã§ã£o) de cao durante um estã¡gio de produã§ã£o, durante armazenamento e em um estã¡gio de lingotamento em um refratã¡rio compreendendo um componente de cao. ou seja, este refratã¡rio compreende partã­culas de refratã¡rio incluindo um componente de cao e partã­culas de refratã¡rio incluindo um componente de cao, onde um componente quã­mico depois do aquecimento em uma atmosfera nã£o oxidante a 1.000 â°c contã©m 0,1-5,0 % em massa no total de uma ou mais espã©cies de ã³xido de metal selecionadas de b o , tio , v o , p o e sio e 2-35 % em massa de 2 5 2 2 5 2 5 2 carbono livre, o restante sendo cao e mgo e a razã£o em massa (cao/mgo) sendo 0,1-1,5 e onde um revestimento de material inorgã¢nico 0,1-25 î¼m de espessura compreendendo cao e o(s) ã³xido(s) de metal ã© formado pelo menos na superfã­cie de cao das partã­culas de refratã¡rio incluindo o componente de cao e/ou o componente de mgo em observaã§ã£o por microscã³pio ã  temperatura ambiente de uma amostra depois do aquecimento em uma atmosfera nã£o oxidante a 1.000 â°c.
BR112014004073A 2011-12-01 2012-11-30 produto refratário, e, válvula de lingotamento BR112014004073B8 (pt)

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PCT/JP2012/081101 WO2013081113A1 (ja) 2011-12-01 2012-11-30 耐火物及び鋳造用ノズル

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EP2786975B1 (en) 2019-01-02
CN103958437B (zh) 2015-07-01
JP5830108B2 (ja) 2015-12-09
ES2714004T3 (es) 2019-05-24
US20130334263A1 (en) 2013-12-19
EP2786975A4 (en) 2015-07-29
CA2852200C (en) 2016-11-15
PL2786975T3 (pl) 2019-06-28
CN103958437A (zh) 2014-07-30
EP2786975A1 (en) 2014-10-08
BR112014004073B1 (pt) 2020-09-08
TW201343599A (zh) 2013-11-01
KR101587248B1 (ko) 2016-01-20
WO2013081113A1 (ja) 2013-06-06
IN2014KN00770A (pt) 2015-10-02
KR20140041897A (ko) 2014-04-04
JPWO2013081113A1 (ja) 2015-04-27
US9221099B2 (en) 2015-12-29
AU2012343466B2 (en) 2015-02-12
TWI466844B (zh) 2015-01-01
RU2566854C1 (ru) 2015-10-27
AU2012343466A1 (en) 2014-06-26
CA2852200A1 (en) 2013-06-06
BR112014004073B8 (pt) 2020-09-24

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