阐述了加热炉炉顶耐火材料烧损机理，通过选择高强高铝莫来石浇注料作为炉衬，精心组织施工，科学烘炉达到了延长炉顶使用寿命的目的。
The life campaign of the furnace top lining will be lasted by using mullite cast refractory with high strength and alumina and carrying out construction carefully and drying correctly.
结果表明，结石中富含铝，显微镜下可见莫来石与霞石等晶体特征，说明该玻璃中的透明结石来源于耐火材料侵蚀。
The stones were considered to be the corrosion products of refractory materials due to the fact that they exhibit mullite or nephelite characteristics under the microscope and are rich in alumina.
研究表明，以莫来石或高岭石为主晶相的铝硅系耐火材料是精铸球铁件的理想选择。
Study has proved that ceramic shell making by Al-Si system refractory materials with main crystal of Mollite or Kaolinite will be the ideal choice for investment casting ductile iron.
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