FIELD: liquid freezing equipment, ice decontamination equipment, water desalination equipment, production of water-soluble substances for domestic and industrial demands. SUBSTANCE: device has vessel filled with still liquid, lid having tubular two-layer member. Tubular member lower end is disposed in non-freezing area of liquid. Tubular member upper end is located above lid. EFFECT: increased product quality by food ice cleaning of detrimental impurities during freezing process without increase of electric power; simultaneous producing of fresh water and sea salt with using of cooling plant waste energy for sea salt production. 2 dwg
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