Purification air conditioning unit capable of utilizing low-grade heat source

The utility model discloses a purification air conditioning unit capable of utilizing a low-grade heat source, which comprises a hydraulic module, a cold and heat source module and an air processing module, and is characterized in that the hydraulic module comprises a circulating water pipeline communicated with the low-grade heat source, and a circulating pump, a filter and a check valve which are arranged on the circulating water pipeline; the cold and heat source module comprises a compressor, a first heat exchanger, a second heat exchanger and an expansion valve which are sequentially communicated through pipelines, the hydraulic module communicates with a first heat exchange channel of the first heat exchanger, and the compressor communicates with a second heat exchange channel of the first heat exchanger; the air processing module comprises a filter installed on the air supply pipeline. The purification air conditioning unit capable of utilizing the low-grade heat source solves the problems that in an e