| 摘要 |
PURPOSE:Food products such as scallops to be frozen are thrown into a refrigeration medium and frozen while they move in the refrigeration medium at an appropriate speed with their buoyant forces, whereby soft products are frozen without change in their form. CONSTITUTION:Food products to be frozen b is thrown bron the inlet 6 at the top of the refrigeration tank 3 provided with the heat exchanger 1 into the tank containing a refrigeration medium 2. They slowly sink in the medium 2 with their buoyant forces and come to the outlet 7, while they are frozen. |
