Screw conveyor with drying function

The utility model relates to the technical field of polyester fiber production equipment, and discloses a screw conveyor with a drying function, which comprises a bottom box body, a conveying cylinder, a conveying shaft and a feed hopper, the conveying cylinder is upwards and obliquely connected with the bottom box body, the feed hopper is arranged at the upper end of the bottom box body, and theconveying shaft is sleeved with the conveying cylinder. The conveying shaft is provided with feeding blades used for conveying small fragments, one end of the conveying shaft is connected with a driving piece used for driving the conveying shaft to rotate, a discharging opening is formed in the end, away from the feeding hopper, of the conveying barrel, and the discharging opening faces the ground; an air heater is arranged at the end, close to the ground, of the conveying barrel, and an air outlet of the air heater communicates with the conveying barrel. Through the arrangement of the box body, the conveying cylinder