P-11　Dependence of ash adhesion on the combustion temperature during biomass combustion

Abstract

In this study, we investigated the combustion temperature, the amount of ash produced, and the amount of ash adhered by changing the distance h between the flame surface and the bottom surface of the biomass packed bed. As a result, for a packed bed of the Japanese cedar the lower the h, the higher the maximum combustion temperature and the more ash adhered on the mesh. In the case of h = 4 mm, the flame temperature increased sharply, and ash adhered and fused rapidly on the mesh surface. On the other hand, when h = 11 mm, some of the generated ash could be dispersed as the fly ash, the less ash adhered to the titanium mesh. It was found that the tendency became clearly when changing from the Japanese cedar packed bed to its bark packed bed.