How to choose cold storage refrigerant

Refrigerants can be mainly divided into two categories: ammonia refrigeration system and freon refrigeration system. These are the 'ammonia storage' and 'fluorine storage' that we usually refer to. If you want the best use of the cold storage, you must choose the refrigerant reasonably. Only in this way can the performance of the cold storage be more stable and help save users' energy consumption. As a professional cold storage construction company, Refrigeration believes that the refrigerant of the cold storage refrigeration system should be selected reasonably according to the cold storage refrigeration method:

1. Direct expansion liquid supply

The refrigerant directly passes through the refrigerator, the expansion valve of the accumulator, and then flows through the evaporator and cooling pipe, to the evaporator and cooling pipe, so as to achieve the role of providing refrigerant to the cold storage. Although this method of use is relatively simple, it is difficult to control the amount of liquid supplied by the refrigerant, and it is easy to affect the cooling effect of the entire cold storage. It is a relatively common refrigeration method for Freon refrigeration systems.

2. Gravity liquid supply

Gravity liquid supply is also a commonly used refrigeration mode in cold storage, which is added between the evaporator and the expansion valve A gas-liquid separator, after the refrigerant reaches a certain amount of liquid, directly supplies the static pressure of the liquid column, and supplies the refrigerating liquid to the cooling equipment of the cold storage. For this refrigeration mode, the most commonly used refrigerant is ammonia refrigeration, which can pass through the ammonia liquid separator to provide enough refrigerant to the refrigeration equipment of the cold storage to ensure the normal operation of the refrigeration system.

3. Pump circulating liquid supply

Pump circulating liquid supply is also known as ammonia pump liquid supply, which can be divided into upward and downward There are two ways of outlet and bottom inlet and top outlet. Both of these methods can effectively ensure the supply of refrigerant in the refrigeration system of the cold storage, and send the refrigerant to each refrigeration equipment to achieve the best cooling effect. The adjustment of the liquid supply of the ammonia pump, but it is better to have multiple pipelines, which can adjust the liquid passing through, so that it can supply liquid to the refrigerating room, freezing room and other places to ensure the cooling effect.

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