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冷库中存在蒸蒸汽渗透,这是人所共认。但在冷库松散隔热材料的外墙中存在空气渗透,则是一个有争议的问题。用稻壳作冷库隔热材料,这是我国冷库的特点。但我国冷库稻壳隔热层受潮结冰问题一直得不到解决,这就说明单纯用蒸汽渗透理论来处理冷库的防汽隔热工程是不够的,也是不妥当的。为了弄清冷库松散隔热外墙是否存在空气渗透,本文提供几个调查实例,供研究参考。
There is steam steam infiltration in cold storage, which is commonly recognized. However, the presence of air infiltration in the outer walls of loose insulation in cold storage is a matter of debate. With husk for cold storage insulation material, which is the characteristics of our cold storage. However, the problem of damp icing in the insulation of cold storage husk has not been solved in our country, which shows that it is not enough and not proper to deal with the anti-steam insulation project of the cold store by the theory of steam infiltration. In order to find out whether there is air infiltration in the loose insulation wall of cold storage, this paper provides several investigation examples for reference.