FIELD: power industry.
SUBSTANCE: invention relates to thermal power industry, namely to combustion equipment, and can be used in systems for coal dust combustion. A burner for combustion of powdered solid fuel comprises a channel delivering high-concentration mixture of dust of solid fuel, the channel has rectangular shape and is installed inside an air duct delivering a secondary air, and an outlet opening of channel is closed by arch-like element in form of flat plate with dimensions identical to dimensions of the channel outlet opening, and installed overhead against the outlet opening of the channel at distance equal to width of the outlet opening.
EFFECT: increased intensity of mixing of powdered solid fuel with oxidant in zone of combustion reactions, thus ensuring, if possible, most complete fuel combustion upon flame length shortening.
3 dwg
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