摘要 |
<p>A method and a reactor for combustion of solid granular fuel material in a fluid bed by means of primary air supplied to the bottom of said reactor and by means of secondary air supplied a distance above the reactor bottom, solid granular fuel material which is falling along the boundary side wall of the reactor being collected in at least one pocket arranged in the direction in which the material is falling, a cooling surface being arranged in said pocket.</p> |