BURNER Russian patent published in 2000 - IPC

FIELD: fuel combustion mainly in gas-turbine plants. SUBSTANCE: burner has cylindrical body equipped with fuel swirler and nozzle with toroidal wall at outlet. Body is mounted in air pipe in annular- space relation to its wall. Fuel feed header of, say, toroidal shape provided with nozzles arranged over circumference is installed at air admission side of air pipe. Header communicates through radial pipe connections with body interior. In addition, one more fuel feed header may be installed in air chamber for mixing fuel with air; both headers are to be mounted in same plane or spaced apart through 0.5-3.0 of outer diameter of header tube to improve stability of fuel combustion and to reduce content of nitric oxides in combustion products. EFFECT: improved environmental friendliness. 3 cl, 4 dwg