Phosphorus pentasulfide automatic feeding device and pulping method

The invention relates to the technical field of phosphorus pentasulfide processing, and provides an automatic phosphorus pentasulfide feeding device which comprises an automatic feeding and discharging conveying chain, photoelectric sensors used for detecting objects are fixedly connected to the inner side surfaces of the automatic feeding and discharging conveying chain, and a lifting machine is arranged at one end of the automatic feeding and discharging conveying chain; a lift car is arranged at the output end of the elevator, a stock bin is arranged on the surface of the automatic feeding and discharging conveying chain, a stable frame is arranged on one side of the elevator, and a fixed frame is fixedly connected to the top end of the stable frame. The device is reasonable in structure, the penta-sulfide stock bin is designed to replace an original 200 L plastic barrel, the containing amount is larger (each stock bin can contain 2000 kg of penta-sulfide), the work of cleaning inner packaging bags is omit