Pyrolysis and combustion apparatus

Abstract From the Canadian patent

A system for pyrolysis and combustion of combustible solid material, such as waste which comprises a, pyrolysis chamber having a series of spaced vertically disposed movable grates, forming a plurality of stages in the pyrolysis chamber and permitting downward movement of solid feed material at a controlled rate countercurrent to the upward flow of hot gaseous products the movable grates, being synchronized for successive actuation whereby the charge of feed material is successively passed through each of the stages to the bottom of the pyrolysis chamber. Means is provided for introducing air into each of such stages and into the bottom of the pyrolysis chamber. A feed-lock apparatus is …