| 摘要 |
PURPOSE: To provide a device, capable of working treatment by increasing a cooling speed without any variety utilizing the pressure difference of a ventilating fan in spite of the scale of amount of a commodity, and capable of being removed after finishing the treatment, in the precooling and cooling of the agricultural commodity or the like in a refrigerator and the like after harvest. CONSTITUTION: In a refrigerator set at a temperature optimum to a commodity and operated, a sheet 2 is attached to a frame 1 of a commodity carried into the refrigerator, and a ventilating fan 3 is installed at the central part of the frame while the outlet port 4 of the ventilating fan 3 is opened on the frame 1. The plug socket 5 of a power supply wire for the fan is attached to the outside of the frame 1. |
