Two fully automatic three-dimensional cold storage rooms, with a height of 31 meters and a total storage capacity of 28000 trailers. R134a/CO2 cascade refrigeration is adopted, and the evaporator adopts a CO2 dedicated top exhaust pipe. The unit is our self-developed CO2 stacking block unit. In addition, the hall sorting room adopts an R134a direct refrigeration system. The first three-dimensional cold storage in China's railway system.
