关于混凝土蓄冰池池底保温材料改进的研究

Study on the improvement of the bottom insulation material of concrete ice storage tank

本文对混凝土蓄冰池采用常规保温材料保温效果不理想问题的原因进行分析,提出用相变材料代替常规保温材料的可能性,根据相似相容原理,可以利用丙三醇-乙二醇复合材料作为代替物,利用其0℃相变点和相变潜热,可以阻滞土壤的热量渗入到冰池中,有效减少蓄冰池底部冷量的损失。针对在常温情况下,相变材料容易流动的问题,提出利用多孔材料粉煤灰作为封装介质,将相变材料吸附在粉煤灰中,然后混合在混凝土中,不仅解决了相变材料流动性问题,还可以改善混凝土性能,达到节能、节材、环保的效果。

This paper analyzes the causes of unsatisfactory insulation effect of conventional insulation materials in concrete ice storage pools, and proposes the possihility of replacing conventional insulation materials with phase change materials. According to the similar com- patibility principle, glycerol-ethylene glycol composites can he used. As a substitute,using its O℃ phase transformation point and latent heat of phase change, it can block the heat of the soil from seeping into the ice pool and effectively reduce the loss of the cooling capacity at the bottom of the ice storage tank. To solve the problem of easy flow of phase change materials at room temperature,it is proposed to use porous fly asia as lhe packaging medium,and lo adsorb the phase change material in fly asia, and lhen mix il in concrele lo solve the problem of phase change material flowability. The problem can also improve the pertonnanee of concrete and achieve the effects of energy saving,material saving and environmental proleclion.