CERAMIC GAS BURNER FOR AIR HEATER AND METHOD OF ITS OPERATION Russian patent published in 1997 - IPC

FIELD: shaft furnace equipment. SUBSTANCE: ceramic gas burner includes central gas conduit which is open in central zone of burner ring and air conduits on both sides of gas conduit which are open towards central zone. Central air conduit has outlet inside gas conduit and air is fed into central air conduit by upward current flowing in two opposite directions through side holes. EFFECT: improved combustion characteristics to make dependence of curve of burn-out on height above burner steeper. 10 cl, 3 dwg