The utility model discloses a cooling device for casing fin type
gas compressor, including outer sleeve and inner sleeve, be provided with the radiating fin of
helical along the inner sleeve outer wall surface circumference between outer sleeve and inner sleeve for constituting the spiral channel between installation cavity and inner sleeve, the inside of inner sleeve is provided with the cooling gas passage, the inside of spiral channel is provided with the
cooling medium passage. The side of outer sleeve is provided with the mounting boss, and the left and right ends of outer sleeve upper portion are provided with the exhaust
flange and the air inlet
flange of cooling gas passage communication respectively, the left end of outer sleeve upper portion is provided with the
cooling medium inlet
flange of spiral channel communication, and the right end of outer sleeve upper portion is provided with the liquid
discharge port of spiral channel communication correspondingly. The utility model discloses through the structure of outer sleeve, radiating fin and inner sleeve guarantees the
cooling effect, secondly, the utility model first realizes the quick positioning
assembly of cooling device and
gas compressor through mounting boss, then, through air inlet flange and exhaust flange, the quick installation of cooling
gas pipeline and cooling gas passage is carried out. The utility model discloses realize quick installation while guaranteeing the
cooling effect, and have good practicality.