FIELD: mechanical engineering.
SUBSTANCE: heat exchanger comprises housing with lids, grates that receive solid fuel members provided with central passage, and igniting unit mounted in one of the grates. The meshes of the grate provided with the igniting unit have a hollow whose diameter is less than the outer diameter and depth is larger than one forth of the diameter of the inner passage. The hollows are connected with the space of the igniter by means of passages made in the grid.
EFFECT: enhanced efficiency.
1 dwg
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