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 set inside the casing is holed and the pipe section outside the casing is made as a de Laval nozzle; the edge of the de Laval nozzle is located inside the hollow Coanda body and the Coanda body inside is fitted with channels connecting the Coanda body with the environment. The length of the channels connecting the Coanda body with the environment is chosen according to the relation: L_C/d_C≥3, where L_C stands for the channel length, d_C - channel diametre; the outlet section of the outlet channels connecting the Coanda body with the environment is set tangentially to the burner longitudinal axis.

EFFECT: ensuring more complete isolation of condensate from condensate-containing gas, maximally possible gas combustion completeness with reduced content of harmful impurities in the combustion products.

4 cl, 1 dwg