FURNACE FOR COMBUSTION OF SOLID FUEL (VERSIONS) Russian patent published in 2015 - IPC F23B50/02 F23B60/02 

FIELD: power industry.

SUBSTANCE: furnace for combustion of solid fuel includes a housing with a loading hopper for solid fuel, a combustion chamber with a grating, an air supply device, an afterburner chamber with an opening into it; the combustion chamber has a movable horizontal grating moved throughout the height, a movable and turning inclined rear grating and a movable and turning inclined guide plate. The air supply device is made in the form of a pipe so that flow of air and combustible gases before they enter the afterburner chamber is directed towards to each other as per a counter-flow circuit.

EFFECT: invention allows improving economy and efficiency of operation of a furnace for combustion of solid fuel due to involvement in an active combustion process of the required fuel layer and control of dimensions of fire bed surface on grate bars.

4 cl, 2 dwg