FIELD: artificial ice production. SUBSTANCE: water is supplied to cylindrical surface of drum from atomizers in jets or drops. Cylindrical surface of drum is cooled by flow of cold air. It is supplied from cold end of vortex tube over channels in drum. Ice frozen on cylindrical surface is removed by means of knife. Provision is made for production of granulated ice for operation of air shot-blast installation. EFFECT: improved ecological conditions. 3 cl, 1 dwg
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