Papermaking sludge dewatering device

The utility model relates to a papermaking sludge treatment device. The papermaking sludge dehydration device comprises a sludge dehydration tank, machine body, a separation cylinder is fixedly mounted at the inner bottom of the machine body; a supporting rotating pipe is mounted in the middle of the sewage cavity; the supporting rotating pipe is driven by a driving mechanism arranged at the bottom of the machine body to rotate. The lower end of the supporting rotating pipe is rotationally communicated with an air inlet pipe; the other end of the air inlet pipe is connected with an air pump arranged at the bottom of the body; a water filtering separation disc is arranged on the upper side of the separation cylinder, the supporting rotating pipe is further fixedly connected with the water filtering separation disc through a plurality of inclined supporting rods distributed in the circumferential direction, a guide sleeve is fixedly installed at the top of the machine body, a feeding pipe is arranged in the gui