Sweet potato drying process
First, start up and preheat. When the temperature of the drying room reaches 30°C,
push the material cart filled with sweet potato chips into the drying room and set
the target temperature of 40°C for two hours. Entering the second stage, the target
temperature is set to 55°C, drying is set to 2 hours, and continuous dehumidification
is performed. In the third stage, the target temperature is raised to 65°C, the drying
time is set for two hours, and continuous dehumidification is performed. In the fourth
stage, the target temperature is set to 70°C, the drying time is set to 2 hours, and
continuous dehumidification is performed. The final humidity of the sweet potato slices
is maintained at 18%. After drying is completed, the sweet potato slices are allowed to
cool before storage.