| 摘要 |
PROBLEM TO BE SOLVED: To provide a refrigerating plant 10 using non-azeotropic mixture refrigerant, for suppressing the heat exchanging efficiency degradation of evaporators 34, 35, 37 due to frost formation by efficiently suppressing the frost formation on the evaporators 34, 35, 37. SOLUTION: The refrigerating plant 10 comprises a refrigerant circuit 20 provided with a compressor 30, condensers 34, 35, 37, an expansion means 36, and the evaporators 34, 35, 37 for vapor compressing and refrigerating cycles, and the non-azeotropic mixture refrigerant filled in the refrigerant circuit 20. Frost formation preventing treatment is applied only to the surfaces of inlet side portions of the evaporators 34, 35, 37 for preventing frost formation. COPYRIGHT: (C)2009,JPO&INPIT
|
