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Refrigerated cars are not cold storage refrigeration units are mainly insulation:
A refrigerated truck is not a cold room. In the concept of many people, a refrigerating unit on a refrigerated vehicle can be arbitrarily frozen or heated to the necessary temperature.
In fact, the refrigeration unit is used to maintain the temperature of the cargo, not to reduce the temperature of the cargo. It's a bit like the quilt used to sell cold drinks in the past. Wrap it up to keep the temperature of the cold drink. The refrigerated car is when the outside temperature through the radiation, conduction, convection into the refrigerator car's body, it will be the cooling unit blows away the cold air, isolated heat source into the goods to ensure the temperature of the goods.
The cargo needs the necessary transportation temperature or it may be deteriorated
If a high or low temperature cargo is loaded into the compartment of the refrigerated truck and the refrigerating unit is set to the necessary transport temperature of the transported cargo, it is desirable to reduce or raise the cargo temperature to its required temperature for a certain period of time. The only way to do this is the fact that the goods not only cannot drop in temperature (or cannot go up), but also cause the goods to be damaged or deteriorated.
The cooling air blown by the refrigeration unit will change the temperature of the goods and the water content of the goods will be lost. This will cause the quality of the goods to change, which will lead to a decline in the quality of the goods, a shortened storage period, and even a corruption of the goods.
It's very likely that you will pull a fresh bean of beans into the destination beans and become more "dry". The weight will be reduced a lot and cause troubles. This is why refrigerated trucks usually go to the cold storage and rarely go to the fields. The reason for pulling the goods directly.
After knowing the role of refrigerated trucks, it is hoped that the majority of refrigerated truck users can use the refrigerated trucks correctly to ensure the quality of the goods shipped.
AMERICA DIVISION OF TOP SHINE CO.,LTD. , https://www.ningbotopshine.com