BOILER FURNACE Russian patent published in 1998 - IPC

FIELD: boiler furnaces; burning gas hot-water boilers and liquid heating units. SUBSTANCE: boiler furnace includes refractory combustion chamber, burner with pulsating one-sided supply of gas; burner is mounted complete with stabilizing device widening to bottom forming shoulder between vertical wall of furnace and base whose height is equal to diameter of burner; refractory hearth is made horizontally over entire area of boiler base in parallel with burner axis. EFFECT: improved heat exchanger and reduced content of NO_x in combustion products. 1 dwg