Blueberry dryer machine is a kind of cabinet hot air dryer.The drying temperature range is 30 to 75 degree Celsius. The drying capacity of the fruit dryer is from 200 to 3000kg per batch. For more capacity, conveyor belt fruit dryer can be made and the fruit heat pump dehydrator can provide heat source to the cabinet or the conveyor cabinet. With the help of the heat pump dryer, it can accurately control drying temperature and moisture inside the drying chamber,which can improve the quality of dried fruit. Owing to heat recovery of heat pump dehydrator, the dryer can save 60 to 70% energy. Meanwhile, the thickess of the drying chamber panels is 100mm,which can effciently prevent heat loss. Inside the drying chamber, one fan wall with 8 to 12 sets circulating fans is installed,which can help hot air pass through the trolleys and trays, and also blow hot air into all corner into the fruit dehydrator