Turbine cylinder

The utility model relates to a turbine equipment technical field especially relates to a turbine cylinder, the mobile phone housing comprises a housing body, the casing this internal be equipped withthe vortex passageway and with the air guide access road and the air guide exit channel of vortex passageway intercommunication, the air guide access road is used for being the entry end with the oneend of outside intercommunication, be equipped with cooling medium channel on the casing body, just cooling medium channel sets up at least the periphery of air guide access road, cooling medium channel through with medium inlet and the medium export and external intercommunication of cooling medium channel's both ends intercommunication. The beneficial effects of the utility model are that: set up cooling medium channel on the casing body for cooling medium channel sets up at least the periphery at the air guide access road, cools off the hot -air that enters into in the air guide access roadthrough the coolant who ge