1. Selection of cold room address
The common cold storage can be divided into three categories: wholesale cold storage, retail cold storage and productive cold storage.
The productive cold storage should be built in the production area where the source of goods is relatively concentrated, and factors such as convenient transportation, contact with the market should be considered. The cold storage should not be built in places with direct sunlight and high temperature, but in the shade is the best, and the small cold storage should be built indoors. There should be good drainage conditions around the refrigerated warehouse, and the underground water level should be low. It is better to have a partition under the refrigerated warehouse and keep good ventilation. Keeping dry is very important for the refrigerated warehouse. In addition, a three-phase power supply with corresponding capacity shall be set up according to the power of the refrigeration unit of the cold storage before the construction of the cold storage. If the cold storage unit is water-cooled, water pipes shall be laid and the cooling tower shall be built.
2. Selection of cold room air cooler
The choice of a refrigeration system in cold storage is mainly the choice of compressor and evaporator. In general, the small-scale cold storage mainly adopts the totally enclosed compressor. Due to the small power and relatively low price of the totally enclosed compressor, the semi-enclosed compressor is generally used in the medium-sized cold storage; the semi-enclosed compressor is used in the large-scale cold storage, and the ammonia refrigeration compressor can also be considered in the selection because the ammonia refrigeration compressor has a large power and can be used for multiple purposes, but the installation and management of the cold storage are relatively complex. In the selection of evaporator, the high-temperature cold storage uses the cold fan as the evaporator, which is characterized by fast cooling speed, but easy to cause the water loss of cold storage; the medium and low-temperature cold storage mainly uses the evaporation exhaust pipe made of seamless steel pipe, which is characterized by good thermostatic effect and timely cold storage.