Refuse incinerator

The utility model discloses a waste incinerator for treating municipal sold wastes. The incinerator is composed of three parts of an incinerator body, a drying furnace body and a heat collecting furnace body. The incinerator body comprises an incinerating grate arranged on the lower part, a combustion chamber arranged on the incinerating grate and a coal feeding hopper and a slagging machine cooperating with the incinerating grate. The drying furnace body comprises a drying grate arranged on the combustion chamber, a drying chamber with a vapor outfall arranged on the drying grate, a waste feeding hopper matching with the drying grate and a second combustion chamber arranged on the drying chamber. The heat collecting furnace body comprises a heat collecting chamber arranged on the second combustion chamber and an air preheater arranged in the heat collecting chamber. The utility model adopts an incinerator body structure which uses coal to ignite the waste and pre-dries the wastes, and has the features of strong adaptability to waste compositions, good incineration treatment effect, stable equipment running and high work efficiency.