Water supply pipeline sludge discharge well structure

The utility model provides a dredge well structure of a water supply pipeline, which belongs to the technical field of water supply and comprises a dredge pipe, a dredge well, a valve, a water outlet pipe, an overflow pool, a water drain pipe and a manhole, the dredge pipe penetrates through the lower portion of the dredge well and is communicated with one end of the water outlet pipe, the valve is arranged at the joint of the dredge pipe and the water outlet pipe, and the overflow pool is arranged on the upper portion of the dredge well. The other end of the water outlet pipe is communicated with the bottom of the overflow pool, a water drainage pipe penetrates through the side wall of the overflow pool, and an access hole is formed in the top of the sludge discharge well. The mud discharge valve well and the mud discharge wet well are combined into one well, opening and closing of the valve can be achieved, the high-position water drainage function can be achieved, about 50% of the occupied area of the valv