| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid food sterilization device using a plate-type heat exchanger or a tube-type heat exchanger, wherein problems of easy generation of denatured substance during sterilizing treatment, and difficulty in cleaning the denatured substance (contamination). SOLUTION: The liquid food sterilization device comprises a flow path with its upper side open, a supply part supplying liquid food to the upstream side of the flow path, and an infrared emission body irradiating the liquid food flowing through the flow path with the infrared radiation. The flow path is inclined so as to get lower toward the downstream side from the upstream side. The angle of the inclinationαof the flow path is preferably 1-5 degree(s), the width-direction cross sectional surface of the bottom face of the flow path is preferably formed into a linear state, and the cross sectional surface of the bottom face of the flow path may have unevenness. COPYRIGHT: (C)2008,JPO&INPIT
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