Furnace for boiler has a hearth improved cfb

摘要

The invention relates to a furnace for circulating fluidized bed boiler, comprising a sole (4) formed by a set of tubes (5). This plate is constituted by a set of elementary plates (4a, 4b, 4c) of smaller size, each having a substantially rectangular shape, these elementary plates being juxtaposed in such a manner that the floor of the hearth or in a single piece and has a cross-section of a surface whose perimeter is defined by more than four sides.