分析了国内还原性电炉炉衬结构存在的技术问题和破损原因，介绍了轻质炭砖这一新型高效高温隔热材料的研究开发及其在电炉炉衬结构中的应用效果。
The development of new pattern light carbon brick-high efficiency, high temperature heat insulation material and the applicating effect in electrical furnace line sturcture are introduced.
与隔热刚玉砖比较，用轻质镁铝尖晶石原料制备的隔热砖的热导率更低。
Compared with the heat-proof corundum bricks, the heat-proof bricks prepared by employing lightweight magnesia-alumina spinel brick raw material have lower heat conductivity.
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