The bottom of the internal box is made of stainless steel, and the outer wall is made of 50mm thick polyurethane insulation board. 2. The heat source is a 7 horsepower high-power air energy heat pump with a capacity of 10 tons and a maximum temperature of 80 "C. The drying cost is calculated at 0.65 yuan per degree, which is 60-65 yuan per ton. Intelligent automatic programming and temperature control ensure that the fruit is evenly heated and the upper, middle, and lower water contents are consistent.

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