COMBUSTION APPARATUS AND METHOD OF FORCIBLY CIRCULATING A HEATING MEDIUM IN A COMBUSTION APPARATUS

摘要

The present invention provides a combustion apparatus comprising an upright type combustion chamber having a bottom; conduit means provided below said bottom of the combustion chamber and having a nozzle which is provided in or near the bottom of said combustion chamber; a ringed body supported in said combustion chamber at a such position that a gap is formed between the lower edge of said ringed body and the bottom of said combustion chamber, and air blasted from said nozzle is passed through said ringed body; and a heating medium contained in said combustion chamber, whereby particles of the heating medium blasted by the action of said nozzle from the lower part of said ringed body are circulated through the inner bore of said ringed body.