Firstly, the design variety of refractory materials for the same project should not be single, but it should not be too complex. The selection of refractory materials that can meet the requirements should be based on different temperature regions and usage requirements. On the basis of economy, fully utilize the performance of refractory materials to achieve full utilization of resources; Secondly, in the refractory sealing project of the furnace ceiling, due to the short construction period and poor construction conditions, high-temperature micro expansion refractory plastic should be changed to fast hardening boiler sealing refractory pouring material or clay super strong pouring material in the design process. This is mainly due to its high strength, short solidification time, and small shrinkage, which can improve the sealing of the furnace wall and reduce heat loss; Again, using high-temperature micro expansion refractory plastic lining in the combustion area of the boiler can improve the refractory effect; Finally, due to the high performance requirements of unburned belts and burners for refractory materials, high aluminum phosphate combined with plastic, silicon carbide ramming materials, and silicon carbide high aluminum coating materials can be used.
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