| 摘要 |
Apparatus 10 for cooling liquid flowing in a pipeline 5, conveniently potable liquid such as beer stored in a bulk container 6 and dispensed at a dispenser 7, comprises a product coil 3 connected in the pipeline 5 and immersed in a liquid body 4 of a volatile liquid such as the refrigerant R12, body 4 being in fluidic communication with a vapor body 9 of the same volatile liquid in which there is immersed a refrigerant coil 2 connected to a refrigeration system 8. Bodies 4 and 9 may be housed in a single container 1 or individually housed in respective containers 11, 13A which are interconnected by a heat pipe 12A.
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