The result shows that each of the mixtures of mercury oxide-water-glass, alundum powder-aluminium phosphate and silica flour-aluminium phosphate can be used as coating for cooling pipes cast in blast furnace cooling staves.

• 结果表明:氧化汞-水玻璃涂料、刚玉粉-磷酸铝涂料、石英粉-磷酸铝涂料是高炉冷却壁内冷却管防渗碳性能较好的材料。