Freeze Dryer

In the Food and Beverage industry various products require drying to ensure required shelf life. Food products require gentle drying to preserve the products original shape, color, taste & nutrients and for these applications freeze drying process is ideally suited. Some foods freeze dry very well, but not all food is suitable for freeze drying. Small fruits and vegetables can be easily freeze dried, whereas whole fruits and large vegetables would not be suitable, although they can be freeze dried if cut into small pieces first. This also applies to meat; small chunks of meat freeze dries well, but larger fillets need to be cut into pieces. Meat and seafood also require cooking before freeze drying. For some foods freeze drying is not cost-effective. Machinfabrik designs and manufactures freeze drying machines for sale worldwide. The process typical operating sequence of the freeze drying process is as follows:

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  Freezing of the product and freeze hold.

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  Cooling of ice condenser

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  Evacuation

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  Primary drying

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  Secondary drying