Sludge pyrolysis desorption apparatus

The utility model relates to a sludge treatment field, concretely relates to sludge pyrolysis desorption apparatus, include: pyrolysis desorption furnace body for the pyrolysis desorption of mud and the transmission of mud, pyrolysis desorption furnace body is the nested structure of interior exocoel, includes, the pyrolysis desorption chamber and the cladding that hold mud are in heating chamber outside the pyrolysis desorption chamber, pyrolysis desorption intracavity is provided with conveying mechanism, pyrolysis desorption furnace body divide into, the last furnace body and the lower furnace body that set up from top to bottom, go up the furnace body and set up the steam rising passway between the furnace body down and communicate heating chamber between them, go up the furnace body and set up material whereabouts passageway down between the furnace body and communicate pyrolysis desorption chamber between them, hot -gas generating device, the material import sets up it keeps away from to go up the furna