NO LOW-EJECTION BURNER WITH PERFORATED PLATE-TYPE FLAME HEAD Russian patent published in 2021 - IPC F23D14/02 F23C9/06 

FIELD: power engineering.

SUBSTANCE: invention relates to the field of power engineering. Burner with low NO_x emission with perforated plate-like flame head comprises primary pipe, installed so that it projects inside combustion chamber with provision of air into combustion chamber, primary supplying fuel line intended for primary fuel supply and located inside primary pipe. Perforated plate-like flame head located at front end of primary supplying fuel line with formation of air distribution gap directed by primary pipe, between the perforated plate-like flame head and the primary pipe end, and injecting the primary fuel fed in the primary fuel line in the radial direction. Secondary pipe is arranged around the primary pipe to direct unburned gas so as to release unburnt gas into the combustion chamber by passing unburnt gas from the combustion chamber between the primary pipe and the secondary pipe. Multiple nozzles of secondary fuel injection located around secondary pipe and secondary injecting fuel. Device for adjusting distance, which regulates distance between perforated plate-type flame head and end of primary pipe by displacement of perforated plate-like flame head in axial direction.

EFFECT: invention makes it possible to facilitate repair, replacement and adjustment of a flame head and to reduce NO_x formation.

10 cl, 7 dwg, 1 tbl