A single-layer steel structure cold storage. This project is a fixed shelf assembled cold storage, using a closed cooling corridor (3 ± 2 ° C). The temperature of cold storage rooms 1 and 2 is -18 ° C~-22 ° C, with a storage capacity of 6014 tons. The temperature of Cold Storage No.3 is 5 ° C, with a capacity of 229 tons. The temperature of the cooling passage is 3 ± 2 ° C. An ammonia (R717) refrigeration system is used, with an end suspended air cooler and automatic hot ammonia defrosting by finger command.
