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The vacuum Freeze Dry Machine is suitable for drying high-grade raw materials, traditional Chinese medicine decoction pieces, biological, wild vegetables, dehydrated vegetables, food, fruits, chemicals, pharmaceutical intermediates and other materials. Freezing vacuum drying is a new type of box structure that combines the refrigeration system, vacuum system, heat transfer oil heating system and dehumidification system into a vacuum Freeze Dry Machine. It uses the freezer vacuum drying of the material space in the box.

The vacuum Freeze Dry Machine is suitable for drying high-grade raw materials, Chinese herbal medicines, seafood, wild vegetables, dehydrated vegetables, food, fruits, chemical intermediates and other materials.

The vacuum Freeze Dry Machine combines a refrigeration system, a vacuum system, a heat transfer oil heating system, and a moisture discharge system. A new type of box structure, which utilizes a large amount of dry storage vacuum space for storing the material space in the tank, so that the powder can be dried with a good dispersion.

After the start-up, the material is put into the material box for freezing. The freezing process of the material is, on the one hand, the vacuum system is vacuumed to take away part of the water; on the other hand, when the material is frozen, the moisture in some molecules is discharged. The surface of the material is frozen. After the freezing requirement is reached, the material is heated and dried by the heating system, and the water contained in the material is brought to the freezing and collecting box to be frozen by vacuuming to achieve the requirement of freezing and drying of the material.

In the freeze vacuum drying process, no impurities are mixed into the object, and the original components and active components of the material and the shape of the material are maintained.