How to Dry Sweet potato/Dehydrate Sweet potato in a Dehydrator
Introduction to sweet potato：
Sweet potato likes warm, is afraid of cold, and is not cold resistant. The suitable temperature for sweet potato growth is 22 ℃ - 30 ℃. When the temperature is lower than 15 ℃, it stops growing. The temperature requirements of different growth stages are also different. The appropriate temperature can promote the growth of plants in each growth stage.
Sweet potato processing steps：
First clean the sweet potato, and then put it into the boiler for cooking. When the sweet potato is about seven or eight years old, remove it and wait for it to cool before slicing. In the slicing process, first of all, the thickness should be consistent, which is basically about 2 cm. After completing the above steps, the sweet potato slices can be put into the material tray to achieve uniform thickness and orderly placement.
Sweet potato drying process：
First, start the machine. When the temperature of the drying room reaches 30 ℃, push the material truck full of sweet potato chips into the drying room. Set the target temperature at 40 ℃ for 2 hours. In the second stage, the target temperature is set at 55 ℃ and the drying time is set at 2 hours for continuous dehumidification. In the third stage, the target temperature is raised to 65 ℃, and the drying time is set for 2 hours for continuous dehumidification. In the fourth stage, the target temperature is set to 70 ℃, the drying time is set to 2 hours, and continuous dehumidification is carried out. Finally, the humidity of sweet potato slices is maintained at 18%, and the drying can be completed. After shutdown, let sweet potato chips cool naturally.
Recommendation of sweet potato dryer/drying machine
Commercial 100-3000kg/h large amount of dehydration wide application and easy operation
Heat pump drying machine use the principle of inverse Carnot cycle. It absorbs low-temperature heat energy in the air, which becomes high-temperature heat energy after efficient heat collection and integration by the heat pump system, and is transported to the drying room for cyclic heating and drying of materials.It refers to exhausting the hot and humid air in the drying room directly to the outside of the drying room through dehumidification device, and then replenishing natural fresh air.
Hot air circle drying machine belongs to high temperature heat pump unit. Its working principle is: the working fluid of the heat pump is compressed by the compressor, becomes high temperature and high pressure gas, enters the condenser, condenses and liquefies the heat, and is used for air heating in the drying room. The moisture in the material is vaporized and evaporated by the form of hot air, and the evaporated water vapor is discharged by the moisture discharge system, thereby achieving the purpose of drying the drying material.
Sweet potato drying video：
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