SOLID FUEL COMBUSTION FURNACE Russian patent published in 1996 - IPC

FIELD: thermal power stations. SUBSTANCE: solid fuel combustion furnace has grate-fired combustion chamber 1 with chute for discharging residues of combustion 5 and prismatic after burner 6 with bottom-blast nozzle 7 in mouth of combustion chamber hopper 8; grate-fired combustion chamber 1 communicates with after burner 6 through port 6 for outlet of furnace gases 9. Grate-fired chamber 1 is mounted above bottom-blast nozzle 7 so that chute for discharging residue of combustion 5 is combined with port for outlet of furnace gases 9; it is placed between mouth of combustion chamber hopper 8 and bottom-blast nozzle 7. The latter is provided with control gate 10. EFFECT: provision for burning highly humidified solid fuels. 1 dwg