Drying device for polyester production

The drying device for polyester production comprises a through frame, a ball nut, a lead screw, a flow guide plate, a connecting piece, a guide roller, a filter element and a through hole frame, installation grooves are formed in the two sides of the through frame in a penetrating mode, a heating lamp is connected with a controller through a wire, a temperature alarm is installed on the upper portion of one side in the through frame, and the temperature alarm is connected with the through hole frame. The temperature alarm is electrically connected with the heating lamp and the controller through wires, the flow guide plate is fixed under the roller shaft through hexagon bolts, one side of the connecting piece is rotatably and fixedly connected with one side of the double-hole mounting frame through fixing bolts, and the guide roller is movably mounted above the other side of the double-hole mounting frame. According to the drying device for terylene production, the filter element is arranged, air entering the