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讨论了干燥 -通风联合作业法烘干粮食的基本原理和方法。与传统的粮食机械烘干方法相比 ,联合烘干法具有生产能力高、能耗低、粮食烘后品质好的优点。通风时间一般为 8～ 12h ,单位通风量一般在 30～ 4 5m3 / (h·t)之间。通风过程中粮食降水幅度可达 2 %～ 3%。
The basic principle and method of drying food by drying and ventilation are discussed. Compared with the traditional drying methods of grain machinery, the joint drying method has the advantages of high production capacity, low energy consumption and good grain quality. Ventilation time is generally 8 ~ 12h, the unit of ventilation is generally between 30 ~ 45m3 / (h · t). Ventilation during the grain precipitation rate of up to 2% to 3%.