Compressor case heat interchanger

The present invention relates to a compressor housing heat interchanger, wherein the heat interchanger includes a compressor outer housing and a sleeve barrel or a serpentinepipe sleeved over the outer housing; a enclosed cavity is set between the compressor outer housing and the sleeve barrel; a grizzly screen is set in the cavity between the compressor outer housing and the sleeve barrel; the sleeve barrel comprises a housing jacket, an upper cover body and a lower cover body; the upper cover body and the lower cover body connects with the housing jacket as a whole; a strut member of the compressor is set on the inner surface of the upper cover body and the lower cover body; or connects the compressor outer housing with the inner surface of the upper cover body and the lower cover body directly. The advantages of the invention are as following: direct cooling of the compressor outer housing is realized; heat exchange area is huge; heat exchange is even; work can be done under pressure; can be added on the o