FIELD: mechanical engineering; turbines. SUBSTANCE: invention relates to burner with axis and construction including external envelope, rotary-symmetrical relative to axis, and internal envelope coaxial relative to external envelope. It defines circular clearance passing from inlet to outlet for directing gas flow containing oxygen. Great number of nozzles to feed fuel to flow and swirling grid are fitted in circular clearance. Construction including external envelope and internal envelope is made so that flow passes through circular clearance between swirling grid and output mainly at constant meridional speed. Burner can be used in gas turbine. EFFECT: enhanced operation reliability and safety. 12 cl, 2 dwg
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