WIRBELSCHICHT-REAKTOR ZUR THERMISCHEN BESEITIGUNG VON ABFAELLEN

摘要

Fluidized bed reactor wherein the grate (2) has a stage configuration with variable substantially horizontal grate surfaces (7) as well as with substantially vertical grate surfaces (8) and wherein are provided supply conduits (10) located under the grate to supply a gaseous and/or fluid fuel or waste material and which open into the substantially vertical grate surfaces (8). The shaft (1) is provided on top of the grate (2) and has a reduced cross-section nozzle of the venturi type (11) for the combustion gas. In the head or dome of the shaft there is provided a reaction area which extends throughout the section of the shaft and which contains manganic oxide as reaction material; said area is formed by a chamber having perforated walls (17) and containing a filling (18) of pellets consisting essentially of manganic oxide, or else said area is formed of a honeycomb perforated ceramic support which is provided with a manganic oxide layer by immersion in manganese nitrate and by a thermal treatment. In place of the support, there may be provided a lamellae drawer.