Study on tunnel vegetable hot air dehydration dryer
At present, dehydrated vegetables have formed a large market, and most areas in China are still artificially aired, which is difficult to meet the requirements of the international market.
Fruit and vegetable dehydration methods are divided into normal pressure and negative pressure according to pressure. Atmospheric hot air drying is still the most common method for vegetable dehydration, but there are various new drying methods (vacuum freeze drying, vacuum frying, nitrogen filling drying, sonic drying, heat pump drying, microwave drying technology, far infrared drying, decompression The development trend of drying, superheated steam drying, solar drying, vibrating fluidized bed drying, etc., has certain application, and the use of hot air dehydration principle to dry vegetables is more suitable for China's national conditions.
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