FLAT-FLAME BURNER Russian patent published in 1998 - IPC

FIELD: power engineering; burning gases in heating furnaces and thermal units with indirect radiant heat exchange; metallurgy; mechanical engineering; petroleum refining and other industries. SUBSTANCE: burner includes air supply housing 1 with screening cover 5 and tangential swirler 3 with gas supply tube 4. Housing 1 is located in wall of furnace chamber lined with burner stone 2. Swirler 3 is mounted along axis of housing 1. End chamber of swirler 3 changes as confuser into circular clearance for escape of gas in radial direction. Clearance is located at distance equal to 0.15 to 0.25 of diameter of burner housing from plane of surface of burner stone. EFFECT: enhanced efficiency. 2 dwg