HIGH-ALUMINA MELT-CASTED REFRACTORY AND METHOD FOR MANUFACTURING SAME

The present invention provides: a high-alumina casted refractory which can be manufactured easily and has a small porosity and high corrosion resistance; and a method for manufacturing the high-alumina casted refractory. The high-alumina casted refractory according to the present invention has the f...

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Main Authors HASHIMOTO, Itaru, SUGIYAMA, Hiroshi, MISU, Yasuo, ABE, Koya, TSUCHIYA, Shinji
Format Patent
LanguageEnglish
French
Japanese
Published 03.09.2020
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Abstract The present invention provides: a high-alumina casted refractory which can be manufactured easily and has a small porosity and high corrosion resistance; and a method for manufacturing the high-alumina casted refractory. The high-alumina casted refractory according to the present invention has the following chemical composition: 95.0 to 99.5% by mass of Al2O3, 0.20 to 1.50% by mass of SiO2, 0.05 to 1.50% by mass of B2O3, 0.05 to 1.20% by mass of MgO, and a remainder. The method for manufacturing a high-alumina casted refractory according to the present invention comprises: mixing an Al2O3 raw material, an SiO2 raw material, a B2O3 raw material and an MgO raw material together to produce a mixture; and melting the mixture. La présente invention concerne : un réfractaire coulé à haute teneur en alumine pouvant être fabriqué facilement et présentant une faible porosité et une résistance à la corrosion élevée ; et un procédé de fabrication du réfractaire coulé à haute teneur en alumine. Le réfractaire coulé à haute teneur en alumine selon la présente invention présente la composition chimique suivante : 95,0 à 99,5 % en masse d'Al2O3, 0,20 à 1,50 % en masse de SiO2, 0,05 à 1,50 % en masse de B2O3, 0,05 à 1,20 % en masse de MgO, et un reste. Le procédé de fabrication d'un réfractaire coulé à haute teneur en alumine selon la présente invention comprend : le mélange d'une matière première d'Al2O3, une matière première de SiO2, une matière première de B2O3 et une matière première de MgO pour produire un mélange ; et la fusion du mélange. 本発明は、生産が容易で、気孔率が低く、かつ高い耐食性を有する高アルミナ質鋳造耐火物及びその製造方法を提供する。 本発明の高アルミナ質鋳造耐火物は、以下の化学組成を有する:Al2O3:95.0~99.5質量%;SiO2:0.20~1.50質量%;B2O3:0.05~1.50質量%;MgO:0.05~1.20質量%;及びその他:残部。本発明の高アルミナ質鋳造耐火物の製造方法は、Al2O3原料、SiO2原料、B2O3原料、及びMgO原料を混合して混合物を得ること、及び前記混合物を溶融することを含む。
AbstractList The present invention provides: a high-alumina casted refractory which can be manufactured easily and has a small porosity and high corrosion resistance; and a method for manufacturing the high-alumina casted refractory. The high-alumina casted refractory according to the present invention has the following chemical composition: 95.0 to 99.5% by mass of Al2O3, 0.20 to 1.50% by mass of SiO2, 0.05 to 1.50% by mass of B2O3, 0.05 to 1.20% by mass of MgO, and a remainder. The method for manufacturing a high-alumina casted refractory according to the present invention comprises: mixing an Al2O3 raw material, an SiO2 raw material, a B2O3 raw material and an MgO raw material together to produce a mixture; and melting the mixture. La présente invention concerne : un réfractaire coulé à haute teneur en alumine pouvant être fabriqué facilement et présentant une faible porosité et une résistance à la corrosion élevée ; et un procédé de fabrication du réfractaire coulé à haute teneur en alumine. Le réfractaire coulé à haute teneur en alumine selon la présente invention présente la composition chimique suivante : 95,0 à 99,5 % en masse d'Al2O3, 0,20 à 1,50 % en masse de SiO2, 0,05 à 1,50 % en masse de B2O3, 0,05 à 1,20 % en masse de MgO, et un reste. Le procédé de fabrication d'un réfractaire coulé à haute teneur en alumine selon la présente invention comprend : le mélange d'une matière première d'Al2O3, une matière première de SiO2, une matière première de B2O3 et une matière première de MgO pour produire un mélange ; et la fusion du mélange. 本発明は、生産が容易で、気孔率が低く、かつ高い耐食性を有する高アルミナ質鋳造耐火物及びその製造方法を提供する。 本発明の高アルミナ質鋳造耐火物は、以下の化学組成を有する:Al2O3:95.0~99.5質量%;SiO2:0.20~1.50質量%;B2O3:0.05~1.50質量%;MgO:0.05~1.20質量%;及びその他:残部。本発明の高アルミナ質鋳造耐火物の製造方法は、Al2O3原料、SiO2原料、B2O3原料、及びMgO原料を混合して混合物を得ること、及び前記混合物を溶融することを含む。
Author SUGIYAMA, Hiroshi
ABE, Koya
MISU, Yasuo
TSUCHIYA, Shinji
HASHIMOTO, Itaru
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DocumentTitleAlternate 高アルミナ質溶融鋳造耐火物及びその製造方法
RÉFRACTAIRE COULÉ À L'ÉTAT FONDU À HAUTE TENEUR EN ALUMINE ET SON PROCÉDÉ DE FABRICATION
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Snippet The present invention provides: a high-alumina casted refractory which can be manufactured easily and has a small porosity and high corrosion resistance; and a...
SourceID epo
SourceType Open Access Repository
SubjectTerms ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE
FURNACES
GLASS
HEATING
KILNS
LIGHTING
LIME, MAGNESIA
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
MECHANICAL ENGINEERING
METALLURGY
MINERAL OR SLAG WOOL
OVENS
REFRACTORIES
RETORTS
SLAG
TREATMENT OF NATURAL STONE
WEAPONS
Title HIGH-ALUMINA MELT-CASTED REFRACTORY AND METHOD FOR MANUFACTURING SAME
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