Deslagging device of sedimentation tank

The utility model provides a slag discharge device of a sedimentation tank, relates to the technical field of sewage slag discharge devices, solves the problems that the traditional slag discharge device of the sedimentation tank cannot realize integrated design, is complex in structure and cannot automatically discharge slag, and comprises a slag discharge pipe, a scum barrier plate and an emptying electromagnetic valve, the slag discharge pipe comprises a groove pipe and a scum collecting pipe which are connected in sequence, one side of the scum blocking plate is connected with the groove pipe and the scum collecting pipe, flowing scum is blocked by the scum blocking plate, so that the flowing direction is changed, the flowing scum flows into the groove pipe, then the flowing scum flows into the scum collecting pipe from the groove pipe, the scum collecting pipe is provided with an emptying electromagnetic valve, and the scum loading and discharging device is simple in structure, convenient to install and