ANNULAR COMBUSTION CHAMBER BURNER MODULE Russian patent published in 2023 - IPC F23R3/12 

FIELD: gas turbine engines.

SUBSTANCE: burner module of the annular combustion chamber comprising the swirler body, the fuel nozzle, flanged to the shell of the combustion chamber, the end of the nozzle is installed in the opening of the swirler body, the swirler body is installed in the annular head and secured with a threaded nut. The swirler is located between the swirler body and the mixing chamber, which comprises a cylindrical body and a conical nozzle with a central hole and a belt of holes for the outlet of the fuel-air mixture. A nozzle with a smooth profile is welded to the swirler body, a small swirler is installed in the inner surface of the cylindrical body, the end of each fuel injector is installed in the centre of the cylindrical body in the small swirler. The threaded nut comprises an inlet part with a smooth rounding, holes are made in the annular head and a perforated protective screen is installed, and a nozzle is installed at the inlet of the nozzle, the diameter of which is selected depending on the composition of the gas used.

EFFECT: reduced concentration of nitrogen oxides and carbon oxides in combustion products and improved quality of mixing fuel with air.

1 cl, 1 dwg