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Process for the concentration of a cold liquid product, such as a cold milk product, with simultaneous preheating of a fluid other than said liquid product
Process for the concentration of a cold liquid product, such as a cold milk product, with simultaneous preheating of a fluid other than said liquid product
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机译:浓缩冷液体产品(例如冷奶产品)并同时预热除所述液体产品以外的其他液体的方法
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摘要
a) Process for the concentration of a cold liquid product, such as a cold milk product, and simultaneous preheating of a fluid (29) other than the liquid product to be concentrated, such as air, which consists in subjecting the said cold liquid product to at least two successive evaporation operations (I, II), the steam required for each evaporation operation being produced by compression (18, 23) of all of part of the steam created by this same evaporation operation, and in using the steam and/or the condensates produced during one (I) at least of the evaporation operations (I, II) in order to preheat (28) the said fluid. b) This process is characterised in that all or part of the condensates (31) obtained after use of the steam and/or of the condensates for preheating the fluid, optionally mixed with all or part of the remaining condensates originating from the successive evaporation operations and with all or part of the condensed mists originating from the final evaporation operation, are used to reheat (32) the cold liquid product to be concentrated (33). c) Of particular interest for the dairy industry. IMAGE
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