METHOD AND APPARATUS FOR BURNING BALLAST-COAL, MORE PARTICULARLY FLOTATION RESIDUES AND/OR MIDDLINGS, AS FUEL IN A GRATE-HEARTH

摘要

Abstract of the DisclosureThe invention relates to a method for burningballast-coal, more particularly flotation residues and/ormiddlings, as the fuel in a grate-hearth, with formation of asolid slag, characterized in that the slag is crushed mechan-ically in the grate-hearth while the furnace is in operation.The invention also relates to an apparatus for carrying outthe method.