分析了加热炉水冷梁外层耐火材料损毁机理，研制了新型耐火喷涂料，确定了水冷梁用半干法喷涂料的配方。
The damage mechanism of outer refractory in water-Cooling beam of heating furnace is analysed. The new spraying coating is researched and the formulation of spraying coating is confirmed.
杯的外层材料最好是保温材料或者涂上保温涂料，但内、外层相同材料也可以。
The material of the external layer of the cup is of insulation materials or materials coated with insulation paint and the internal layer and the external layer can employ the same material.
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