首页> 外国专利> ALUMINA-COATED SPINEL-SILICON CARBIDE REFRACTORY COMPOSITION WITH HIGH CORROSION RESISTANCE TO COAL SLAG AND METHOD FOR MANUFACTURING THE SAME

ALUMINA-COATED SPINEL-SILICON CARBIDE REFRACTORY COMPOSITION WITH HIGH CORROSION RESISTANCE TO COAL SLAG AND METHOD FOR MANUFACTURING THE SAME

机译:具有高耐煤渣腐蚀能力的氧化铝涂层尖晶石-碳化硅耐火组合物及其制造方法

摘要

Disclosed is an alumina-coated spinel-silicon carbide refractory composition with good resistance to coal slag penetration and a method for manufacturing the same. The refractory composition refractory composition comprising 3 to 10 parts by weight of fine alpha alumina powder with respect to the weight of the refractory mixture, wherein the mixture is prepared by mixing alumina-coated spinel aggregates and silicon carbide in a ratio of 10:90 to 40:60 wt %, a dispersant, and an alumina sol as a binder.
机译:公开了一种具有良好的耐煤渣渗透性的氧化铝涂覆的尖晶石-碳化硅耐火组合物及其制造方法。耐火组合物耐火组合物包括相对于耐火混合物的重量为3至10重量份的细α-氧化铝粉末,其中该混合物是通过将氧化铝涂覆的尖晶石聚集体和碳化硅以10:90至80的比例混合而制备的。 40:60 wt%,分散剂和氧化铝溶胶作为粘合剂。

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