BURNER FLAME STABILISATION Russian patent published in 2014 - IPC F23C9/06 F23R3/34 F23D14/48 

FIELD: power industry.

SUBSTANCE: burner of a gas turbine includes reaction chamber (5) and a number of jet nozzles (6) led out into reaction chamber (5). Fluid is supplied to reaction chamber (5) with jet nozzles (6) by means of fluid jet (2) through outlet hole (22). Reaction chamber (5) is intended for combustion of fluid so that hot gas (4) is formed. Annular gap (8) is located around fluid jet (2) in at least one jet nozzle (6, 6a, 6b, 6c). Some portion of hot gas (4) is taken from reaction chamber (5) and supplied to annular gap (8) opposite the fluid flow direction and mixed with fluid jet (2) inside jet nozzle (6, 6a, 6b, 6c). Annular gap (8) is formed by means of head piece (12, 12a, 12b). Head piece (12a) has swelling (15) on the upstream end.

EFFECT: invention allows stabilising flame of such a burner.

25 cl, 7 dwg