Fresh air dust-free cooling system for frequency converter chamber of primary air fan

The utility model discloses a primary fan frequency converter chamber fresh air dust-free cooling system, relates to the fresh air dust-free cooling field, and comprises a pipe body, the inner wall of the pipe body is fixedly connected with a first filter screen, the middle part of the inner cavity of the first filter screen is fixedly connected with a second filter screen, and the middle part of the inner cavity of the second filter screen is rotatably connected with a rotating shaft; the bottom of the rotating shaft is rotationally connected with the bottom of the inner cavity of the pipe body, the upper portion of the rotating shaft is fixedly connected with driving fan blades, and the side wall of the rotating shaft is connected with a condensation pipe in a penetrating mode; through cooperation of the rotating shaft, the driving fan blades and the condensation pipe, pushing force generated during air flowing is utilized, so that the rotating shaft rotates, the condensation pipe makes full contact with ai