Harmless environmental-friendly treatment system for municipal waste

The invention discloses a harmless environmental-friendly treatment system for municipal waste. The harmless environmental-friendly treatment system includes a bottom plate; a barrel body is fixed onthe upper surface of the bottom plate through supporting legs, the right end of the barrel body is opened, the diameter of the barrel body gradually becomes smaller from left to right, a second bearing is installed in a circular hole in the left side face of the barrel body, an inner ring of the second bearing is fixedly connected with the left end of the outer side face of a rotating shaft, the diameter of the inner wall of the barrel body gradually becomes smaller from left to right, the waste is squeezed, the water in the waste drops onto the upper surface of a tile plate through a liquid outlet hole in the lower end of the barrel body, and the heat value of the waste incineration is increased; and a water pump makes the cleaning liquid in an external storage box be discharged through adraining hole in a water