目前我国烘干粮食一般都采用电、煤、石油为热源的烘干设备。现在日本采用塑料大棚式集热器利用太阳能来烘干粮食。据日文《机械化农业》1986年第5期佐藤纯一的文章介绍,此种干燥工艺可节约燃料费80% At present, China’s drying of food are generally used electricity, coal, oil for the heat source of drying equipment. Japan now uses plastic greenhouse collectors to use solar energy to dry food. According to the Japanese “mechanized agriculture” in 1986 fifth Sato Junichi article introduction, this drying process can save fuel costs 80%