【摘要】 研究了莫来石隔热耐火浇注料的轻质骨料合成过程与影响因素。通过系列实验得出了配制莫来石隔热耐火浇注料的优化配方。该浇注料的体积密度 ρV≤ 1.2 g/ cm3,干燥线收缩率≤ 0 .8% ,15 0 0℃× 2 4h烧后线收缩率≤ 1.0 % ,80 0℃导热系数λ≤ 0 .48W/ (m· K )更多还原

【Abstract】 The synthetic process and property effect factors of light aggregate of sintered mullite for producing thermal insulating castables of mullite have been studied. A formula prescription of thermal insulating castables of mullite was obtained through a series of experiments. the final products of the castables has following properties; bulk density≤1.2 g/cm 3; drying shrinkage≤0.8%; sintering shrinkage≤1.0% after 1 500 ℃×24 hours sintering; thermal conductivity at 800 ℃≤0.48 W/(m·K).更多还原