| 摘要 |
An object is to provide a drying machine capable of effectively eliminating confinement of heat while a drying time of an object to be dried is reduced, and the drying machine includes a refrigerant circuit constituted by successively connecting a compressor, a radiator, a pressure reducing unit, an evaporator and the like in an annular form via a pipe; an air circulation path which allows an air sending unit to perform air circulation to send air from the radiator through the storage chamber to the evaporator and to again return the air to the radiator; and a heat exchange unit for performing heat exchange between an external heat medium and a refrigerant in the refrigerant circuit in a range of a refrigerant outlet side of the evaporator to a refrigerant discharge side of the compressor, the heat exchange unit being constituted of an external heat exchanger for performing heat exchange between the external heat medium and the refrigerant of an intermediate pressure section of a compressor.
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