| 摘要 |
A method is used to thermally crack carbon- and hydrogen-containing substances in a vertical process chamber under formation of synthesis gas (14). The substances are combined with bulk material, which does not gasify during the process, into a mixture which is guided from top to bottom through a pyrolysis zone (32) in which the mixture is heated to an intrinsic temperature of above 300 °C in the counterflow of hot gases under formation of coke, and subsequently the formed coke is guided together with the bulk material through an oxidation zone (26) located therebelow under at least partial oxidation of the coke and under generation of temperatures of above 700 °C. In order to counteract a temperature drop toward the middle of the cross-section, in particular in the region of the pyrolysis zone and the oxidation zone, it is proposed that the mixture is guided through an annular cross-section, at least in the region of the pyrolysis zone (32). |
