FIELD: heat power engineering.
SUBSTANCE: method for the reduction in nitrogen oxide emission, using in-stream recirculation of flue gases, consists in that, in a burner containing an air box, outer and inner shells, a central pipe for supplying fuel gas with a conical nozzle at an output with holes, in which a trunk with a fuel oil nozzle is located, in an air channel between outer and inner shells, peripheral gas-distributing pipes are additionally installed, coming out of a gas collector and equipped with nozzles at an output, nozzles of gas-distributing pipes are moved in a furnace outside of an airflow, and portholes are placed along a perimeter, flue gases are ejected with jets of fuel gas flowing out of nozzles, fuel gas is diluted with flue gases before its mixing with an airflow coming out of the burner and ignition.
EFFECT: invention allows for the reduction in nitrogen oxide emission.
3 cl, 2 dwg
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