Citrus reiculata Blanco fresh-keeping and pre-cooling device

The invention discloses a citrus reiculata Blanco fresh-keeping and pre-cooling device which comprises a water cooling box and a vacuum pre-cooling box, a communicating plate is arranged between the water cooling box and the vacuum pre-cooling box, and the front end and the rear end of the communicating plate are communicated with the water cooling box and the vacuum pre-cooling box respectively; when the orange precooling device is used, short-time cooling is conducted through the water cooling box, water is sprayed to oranges, simple water cooling is conducted, then most of water on the oranges is removed, cooling is conducted through the vacuum precooling box, the precooling time is shortened, and the precooling efficiency is guaranteed; the precooling time can be further shortened, and the oranges are protected and prevented from being damaged due to water loss. 本发明公开了一种沃柑保鲜预冷装置，包括水冷箱和真空预冷箱，水冷箱和真空预冷箱之间设有连通板，连通板的前后两端分别连通于水冷箱和真空预冷箱；本发明在使用时，先通过水冷箱进行短时间降温，将水喷洒在柑橘上，进行简单的水冷降温，然后将柑橘上大部分的水除去，再通过真空预冷箱降温，缩短预冷时间，保证预