APPARATUS FOR ULTRA-HIGH-TEMPERATURE INSTANTANEOUS PASTEURIZATION OF COW'S MILK

摘要

PURPOSE:To save the energy for pasteurization of milk, by using a pair of heat exchangers, and providing the high-temperature side of one of the exchangers with a heat exchanger for heat recovery. CONSTITUTION:Unsterilized milk is heated with steam in the first heat-exchange 2 and the first heating zone 3, homogenized with the homogenizer 1', and heated and sterilized in the second heat-exchanger 4 and the second heating zone 5. The sterilized milk is cooled by the heat exchange with the unsterilized milk in the second heat-exchanger 4, further cooled by the heat exchange with water in the heat-exchanger for heat recovery 7, subjected to the heat exchange with unsterilized milk in the first heat exchanger 2, finally cooled with water and chilled water in the cooling zone 6, and sent to the packing step. The hot water discharged from the heat exchanger for heat recovery 7 is used as washing water, etc.