FIELD: cooling of storages for freezing, drying and sublimating different kinds of products. SUBSTANCE: method involves using natural high-nitrogen gases with nitrogen content of 99-100% and seam pressure of 60-130 atm; passing refrigerant through centrifugal expander connected in axially aligned relation with air turbocompressor. EFFECT: increased efficiency by providing optimum regulated gas medium conditions. 5 cl, 1 dwg
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