Patent ID: 6425336
Filing Date: 2002-07-30
Classification: F23H,Y10T

Abstract:
A grate element, comprising: a plurality of fixed and a plurality of movable grate block rows which are arranged so as to follow one another alternately and which are formed in each case from a plurality of grate blocks suspended next to one another on a block holding element and connected firmly to one another; and a grate trough forming a carrying element for the block holding elements of the fixed grate block rows and support for a movable grate carriage carrying the block holding elements of the movable grate block rows, the grate trough comprising two side walls extending in a longitudinal direction of the grate, and a front and a rear frontal wall, the frontal walls being welded to the side walls so as to be at right angles to the side walls, the side walls and the frontal walls having projections and recesses which engage one into one another, the projections and recesses are provided in an edge of each wall so that projections of one wall project laterally into the recesses of another wall arranged at right angles so as to in each case bear with a side face on a bottom face of the corresponding recess.