BURNER WITH PRELIMINARY MIXING OF GASEOUS FUEL AND AIR Russian patent published in 2001 - IPC

FIELD: mechanical engineering; stationary gas turbine engines; low emission combustion chambers. SUBSTANCE: proposed burner has housing with tangential inlet slots and central body. Burner housing if direction of mixture flow is made in form of confuser whose passage area is 1.3-2 times smaller than area of tangential inlet slots. Central body is made in form of cone or cone-shaped solid of revolution with curvilinear generatrix whose vertex is pointed to side of burner housing outlet. EFFECT: reduced toxicity of combustion products, improved stability of burner in operation and its reliability. 2 cl, 3 dwg