Incinerator special for cleaning screw of extruder

The utility model discloses an incinerator special for cleaning a screw of an extruder. The incinerator has good incineration effects. The incinerator comprises an incinerator body, a fixed caster and a universal wheel, wherein the fixed caster and the universal wheel are arranged at the bottom of the incinerator body; a protective cover is arranged at the upper end of the incinerator body; an internal furnace is arranged in the protective cover; a plurality of electric heating tubes are uniformly arranged in the internal furnace; a sealing door is arranged at one end of the internal furnace; a heat-preservation layer is arranged between the internal furnace and the protective cover; smoke vents and a temperature measurement element are arranged on the protective cover; electric heating tube shelves, drawer type charging trays and drawer type guide rails are arranged in the internal furnace; a control cabinet and a dust collection cavity are arranged in the incinerator body; a drawer type dust collection plate is arranged in the dust collection cavity; the dust collection cavity is communicated with the lower end of the internal furnace through a dust delivery pipe. The incinerator has the advantages of complete combustion, short cleaning cycle, good cleaning effects, convenience in dust removal and movement, energy saving, environment friendliness, safety and reliability.