Importance

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Abstract

A grate block for a combustion grate, wherein consecutive grate blocks are arranged one over the other in a staircase manner and rearrange to convey the combustible material during combustion by means of pushing motions performed in relation to each other. The grate block includes a block body including an upper wall forming a bearing surface, along which wall the combustible material is conveyed, and a front wall forming a push surface, which has first air supply openings formed by a first air supply channel for feeding air to the combustion grate, and a lower bearing edge intended to come into contact with the bearing surface of a grate block located adjacent in the pushing direction S. Further air supply channels, which traverse and are directed obliquely with respect to the direction of the first air supply channels, are arranged in the upper and front walls for cooling the walls.

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First Claim