Pretreatment device for sludge incineration power generation

The utility model discloses a pretreatment device for sludge incineration power generation, which comprises a tank body, two annular plates are fixedly mounted on the outer side of the tank body, an upper concave ring is movably sleeved on the outer side of the tank body, four support plates are fixedly mounted at the bottom of the upper concave ring, and a lower concave ring is fixedly mounted at the bottoms of the four support plates. And four telescopic supporting legs are fixedly mounted at the bottom of the concave ring. Sludge enters the dewatering cylinder through the arranged feeding port, at the moment, neutralizing agents and the like for treatment can be added into liquid of the sludge through the automatic treatment agent adding mechanism, the pH value in the sludge is regulated, beneficial treatment bacteria can be added to help digest organic matter in the sludge, and then after addition, the sludge can be recycled. And the heating cone is started, the temperature in the tank body is increased a