SiO2气凝胶保温隔热材料在设施农业中的应用

SiO2气凝胶是一种纳米级材料，具有低体积密度、低导热系数、低介电常数、高比表面积和高孔隙率等特性，是一种新型保温隔热材料。通过介绍SiO2气凝胶的发展历史、物理结构特性以及试验中常用的制备方法，进而对其在农业建筑中的应用前景进行探讨。考虑到SiO2气凝胶低密度、高孔隙率等特性，对SiO2气凝胶作为温室围护结构保温材料、设施养殖地面保温材料以及在农业建筑供暖系统中的应用进行了探索，以期推动其在农业建筑中的应用研究。 

Application Prospects of SiO2 Aerogel Insulation Materials in Agricultural Building

SiO2 aerogel is a kind of nanometer materials.As a new type of thermal insulation materials，it has some characteristics such as low bulk density，low thermal conductivity，low dielectric constant，high specific surface area，and high porosity.Based on introduction of development history of SiO2 aerogel，physical structure characteristics and preparation methods commonly used in the experiment，its application prospect in agricultural construction were discussed.Considering of SiO2 aerogel characteristics such as low density，high porosity，SiO2 aerogel as a thermal insulation material used in greenhouse palisade structure，facilities breeding ground and its application in agricultural building heating system could be done to explore，in order to promote its application in the agricultural construction research.