FIELD: gas-turbine plants. SUBSTANCE: proposed burner arrangement has auxiliary central burner of diffusion flame-type separated from burning side from main burner by ring screen, vane swirler with hollow vales provided with fuel dispensing slots in outer tier. Vanes of inner tier of vane swirler are provided with solid walls and outlet edges. Ratio of areas of slots in outlet edges of outer tier vanes to areas of through sections of intervene air channels is made constant by radius. EFFECT: provision of homogeneous fuel-air mixture in circumferential and radial directions before flame front. 2 dwg
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