Rotary kiln feeding spiral equipment

The utility model discloses rotary kiln feeding spiral equipment, which belongs to the technical field of rotary kilns and comprises a feeding bin and a spiral feeder, the spiral feeder comprises a barrel, a spiral shaft provided with spiral blades and a driving motor connected with the spiral shaft, the spiral shaft penetrates through an inner cavity of the barrel and is arranged along the axis of the barrel, and the driving motor is connected with the barrel. A feeding bin is arranged in the barrel, a feeding port and a discharging port are formed in the barrel, the feeding port is connected with the feeding bin through a flange, the discharging port is used for outputting materials in the spiral feeder to a rotary kiln, a drying hot-air blower is arranged at the feeding port, and an air supply pipeline of the drying hot-air blower is communicated with the feeding port. The occurrence of clamping and stopping accidents of the feeding screw is reduced, the equipment damage risk is reduced, and the production