FIELD: equipment for drying biological materials, for example, food, medical preparations, vegetables and fruit. SUBSTANCE: plant has two hermetic chambers and three vacuum pumps interconnected in series by means of pipe line. Each chamber is connected respectively to end pumps. Each chamber has individual heating and cooling system with desublimator. Chambers are fitted with shelves. Device is provided with control panel. Electric power is saved because first one chamber operates and after preset pressure has been obtained, other chamber is placed in operation. At steady drying, only one pump is functioning. EFFECT: reduced power requirements; intensification of drying process. 1 dwg
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