The vacuum freeze dryer is suitable for the drying of high-grade raw materials, Chinese herbal medicines, biology, wild vegetables, dehydrated vegetables, food, fruits, chemicals, pharmaceutical intermediates and other materials. After opening the vacuum freeze dryer, the materials are put into the material box for freezing. The freezing process of the material. On the one hand, the vacuum system performs vacuuming to take away part of the water; on the other hand, when the material is frozen, the water content of certain molecules is discharged to the surface of the material to freeze. The heating system heats and dries the materials, and the water contained in the materials is brought to the freezing and trapping box for freezing through evacuation to meet the requirements of freezing and drying the materials.
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