Filling pipeline cleaning device

The utility model provides a filling pipeline cleaning device, which belongs to the technical field of mine construction, a filling pipeline is arranged between a filling station and an underground goaf, and the filling pipeline cleaning device comprises a flushing unit for introducing clear water into the filling pipeline and an inflating unit for introducing high-pressure gas into the filling pipeline; the flushing unit comprises a water source and a water inlet pipe for communicating the water source with the filling pipeline; wherein the water outlet of the water source is higher than the water inlet of the filling pipeline; the diameter of the water inlet pipe is the same as that of the filling pipeline; the air inflation unit comprises an air compressor and an air inflation pipe used for communicating the air compressor with the filling pipeline. The compressed air system of the air compressor is fully utilized, the device is simple and convenient, the operation is simple, the pipeline cleaning efficien