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Food freezing transportation and sales in walk-in cooler
Food freezing transportation and sales in walk-in cooler
In the walk-in cooler food cold chain, problems in any link will affect the quality of food. Relatively speaking, food is stored in the walk-in cooler for the longest time, and the temperature of the walk-in cooler has the greatest impact on the quality of the food. In the food cold chain, the storage temperature is generally fixed, while the storage time is flexible. The food must be sold to customers during the high-quality storage period of the food. Among the various facilities and devices that constitute the food cold chain, freezing processing and cold storage are one of the most important links. The following briefly introduces the methods and equipment of the transportation and retail links of the cold chain.
1. Food freezing transportation in walk-in cooler
freezing transportation equipment refers to the equipment used to transport frozen food under certain low temperature conditions, and is an important part of the food cold storage chain. In a sense, refrigerated transportation equipment is a small walk-in cooler that can be moved. The refrigerated transportation equipment includes refrigerated trains, refrigerated cars, refrigerated ships and refrigerated containers. The refrigeration methods adopted by these transportation equipment are similar, including mechanical refrigeration, liquid nitrogen refrigeration, dry ice refrigeration and cold storage plate refrigeration. Mechanical refrigeration uses a vapor compression refrigeration system, liquid nitrogen and dry ice refrigeration use liquid nitrogen and dry ice vaporization to absorb a large amount of latent heat of vaporization to achieve the cooling effect, and cold storage plate refrigeration uses cold storage technology.
2. The refrigerating and refrigerating equipment in the sale of refrigerated food is the walk-in cooler display case used in shopping malls and supermarkets, or commercial refrigerated display cases. According to the frozen foods on display, walk-in coolers can be divided into two types: frozen food and cooling food. According to the structure of the walk-in cooler, there are vertical and horizontal types, and open and closed types.
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