FLARE BURNER Russian patent published in 2009 - IPC F23D14/20 

FIELD: heating.

SUBSTANCE: invention relates to gas burning devices operated with the use of Coanda effect and can be used in gas industry to burn purge gases of the boreholes being repaired. A flare burner comprises a casing with a coaxially set pipe which is fitted with a splitter in the form of a Coanda body on the periphery of the section projecting out of the casing outline. The splitter is mounted with a gap in respect to the upper casing end face and a suction pipe is additionally fitted in the above pipe. The pipe section inside the casing is holed and the pipe section outside the casing is made as a de Laval nozzle. The de Laval nozzle is divided into at least two parts set one in the other and forming an annular profiled mixing chamber; the Coanda body cavity is connected to the environment by channels.

EFFECT: ensuring the maximally possible gas combustion completeness with reduced content of harmful impurities in the combustion products.

2 cl, 1 dwg