Sludge discharge device for urban sewage treatment

The utility model discloses a sludge discharge device for urban sewage treatment, which comprises a sludge discharge box body, two water pumps are fixedly mounted on the left side of the sludge discharge box body through bolts, the water outlet ends of the water pumps penetrate into the interior of the sludge discharge box body through water pipes, and two submersible driving motors are fixedly mounted on the front surface of the sludge discharge box body. The output end of the submersible driving motor is fixedly connected with a rotating shaft penetrating into the sludge discharge box body through a coupling, and six groups of stirring rods are welded on the outer ring, positioned in the sludge discharge box body, of the rotating shaft. Sludge deposited in a sewage pool is filtered through the two layers of filter screens, it is guaranteed that the sludge can be smoothly discharged, after the sludge is uniformly deposited in the sludge discharging box body, the sludge is stirred and turned up through the st