METHOD OF BURNING SOLID FUEL AND FURNACE FOR DOING SAME Russian patent published in 1997 - IPC

FIELD: heat engineering. SUBSTANCE: method comprises supplying air into the combustion chamber at the mouth of the cold funnel with a velocity 10-24 m/s through the bottom blast nozzle. The device for bottom blast of the furnace is made up as a diffuser the outlet openings of which is in coincident with the mouth of the cold funnel. The inlet opening of the diffuser is at the nozzle of the device for bottom blast. The ratio of the inlet opening of the diffuser to the outlet opening is defined by a relationship presented in the invention description. EFFECT: enhanced efficiency. 3 cl, 4 dwg