Solid waste recycling and incinerating rotary kiln

The utility model discloses a solid waste recycling and incinerating rotary kiln. The kiln comprises a kiln head cover, a kiln tail cover, a barrel, a feeding pipe, a smoke outlet, a material receiving barrel, a material receiving opening, a sealing cover, a heat dissipation copper sheet, a first circular ring, a sealing barrel, an air inlet, a connecting pipe, a draught fan, a fuel pipe, a firstsealing barrel, a second circular ring, a second sealing barrel, a third circular ring, a rubber sealing gasket, a third sealing barrel and a rubber sealing clamping barrel. The utility model has a reasonable structure, through the arrangement of the sealing structures, the sealing effect of the two ends of the barrel, the kiln head cover and the kiln tail cover can be improved; an interlayer is formed among the third sealing barrel, the first sealing barrel and the second sealing barrel, a closed path is delayed, the interlayer is blocked and sealed through a rubber sealing clamping barrel, and meanwhile the sealing