VERFAHREN UND VORRICHTUNG ZUR VERBRENNUNG VON PARTIKELFÖRMIGEN FESTSTOFFEN

摘要

In a process to incinerate particulate biological matter esp. dried sewage sludge of low calorific value, the dried sludge is introduced into the incineration chamber with air in a ratio which is less than stoichiometric. The flow of fresh air is adapted to the incineration capacity. Incineration is first initiated and then continued at 850 degrees C under conditions of oxygen deficiency. The ratio of oxygen supplied is subsequently increased, resulting in combustion under conditions of oxygen surplus. An Independent claim is included for a cyclone furnace (1) with an incoming pipe (12) delivering air for carrying out the above process.