Sludge discharging device of long-distance sewage conveying pipe

The utility model relates to the field of buildings, in particular to a sludge discharging device of a long-distance sewage conveying pipe. The sludge discharging device comprises a water conveying pipe, a valve is installed on the water conveying pipe and sleeved with a first gear, a third installation block is installed on a sludge discharging valve well, a rotating rod is arranged on the third installation block, a second motor is fixedly arranged on the third installation block, and the second motor is fixedly connected with the rotating rod. The sludge discharge wet well is fixedly provided with a first mounting block and a second mounting block, the second mounting block is connected with a movable rod, the movable rod is fixedly provided with a limiting block, the limiting block is provided with a filter plate, the limiting block is connected with the second mounting block through a spring, and the movable rod is sleeved with the spring. Therefore, a worker does not need to enter a mud discharge valve