Flue gas purification device for thermal power plant

The utility model discloses a thermal power plant flue gas purification device, including setting box, purification box, movable frame, first filter screen and second filter screen, the first filter screen and second filter screen are both fixedly installed in the mounting frame, and the side wall of mounting frame both sides is symmetrically provided with placing chute, the inner wall of setting box and purification box is symmetrically and fixedly provided with placing guide rail, the placing guide rail is provided with the movable frame. Fixing frames are fixedly installed between the settling box and the purifying box, a driving shaft is installed between the fixing frames, one end of the driving shaft is connected with the output end of a servo motor, a half gear is fixedly installed on the driving shaft, toothed plates are symmetrically and fixedly installed on the top face and the bottom face of the inner side of the movable frame, and the toothed plates are fixedly installed on the top face and the bo