Absorption unit concentrated solution bypass defrosting device

The utility model provides an absorption unit concentrated solution bypass defrosting device, include: the medium flows into pipeline and medium outflow pipeline, the medium flows into the pipeline and includes: the absorber for hold the concentrated solution medium, be connected with the input of absorber, sleeve pipe and branch liquid device respectively through the pipeline, divide the liquid device, its output is used for being connected with heat pump set's evaporimeter, wherein, the evaporimeter includes air -cooled fin type heat exchanger, forced air cooling fin type heat exchanger includes the finned tube, the interior intracavity of finned tube sets up heat exchange coil and defrosting coil pipe, the defrosting coil pipe with heat exchange coil pastes clothes together, the outputthat divides the liquid device pass through the pipeline with the defrosting coil pipe is connected, medium outflow pipeline includes pump front filter and solution pump, pump front filter's input with the defrosting coil pip