Quick-frozen food refers to the use of fresh raw materials, proper pre-treatment, rapid freezing below minus 25 degrees and a very short time (within 15 minutes), and then packaging, and delivered under a continuous low temperature condition below -18 °C Low-temperature food at the point of consumption. Quick-frozen food maintains the original quality of the food completely at low temperature without resorting to any preservatives or additives, so quick-frozen food has the characteristics of delicious, fresh, convenient, fast, healthy and hygienic.
Nowadays, frozen foods are no longer limited to meat and pasta products. The position of fruits and vegetables in quick-frozen foods is becoming more and more important. The frozen foods of fresh fruit and vegetable quick-freezers mainly include frozen vegetables, frozen livestock and poultry meat, frozen fruits, etc.; The long-distance transportation process is easy to rot, and some foods need to be frozen and sold in transportation.
Frozen fruits include: frozen strawberries, raspberries, blackberries, mulberries, loganberries, gooseberries and gooseberries, chestnuts, and other nuts.
Liquid nitrogen fresh fruit and vegetable quick freezers use liquid nitrogen as a refrigerant. Liquid nitrogen is inert to food ingredients and is an ideal freezing and cooling medium for the food industry. The temperature of the liquid nitrogen quick-freezing equipment can be as low as -196℃, so it can be frozen quickly without effort. Under the high-speed freezing of the fresh fruit and vegetable quick-freezing machine, the food can maximize the color, aroma, taste and nutritional value before processing. Reduce water loss and keep the original fresh. Compared with the freezing equipment of the traditional compressor "compressor + tunnel" that is widely used in the domestic market today, the liquid nitrogen fresh fruit and vegetable quick-freezer equipment has good freezing effect, short time and low energy consumption.
Liquid nitrogen fresh fruit and vegetable quick freezer equipment design and production process always reflect the concept of flexibility. It can be well seen from the two types of quick-frozen foods and the number of quick-frozen foods. In the types of quick-frozen foods, whether it is seafood, meat products, rice noodles, fruits or vegetables, etc. can be properly frozen. The quick freezing time of liquid nitrogen quick-freezing equipment in minutes can better meet this requirement. In addition, in terms of the number of quick-frozen foods, the liquid nitrogen tunnel quick-freezing equipment can quickly adjust to adapt to changes in production capacity by increasing or decreasing the length of the tunnel.