Gas burner for heating of an air or other combustion supporting

Details Gas burner for heating of an air or other combustion supporting Gas burner for heating of an air or other combustion supporting

1988-10-11

1990-01-23

Green, Randall L.

Combustion

Flame holder having protective flame enclosing or flame...

431354, F23D 1446

Patent

active

048955140

ABSTRACT:
A burner for heating a high-velocity stream of a combustion supporting gas comprises a pipe fed with a fuel gas and extending across the flow direction of the combustion supporting gas stream. The pipe defines holes generating fuel gas jets directed in the direction of the combustion supporting gas stream flow, and a flame stabilizer is arranged downstream of the pipe in this direction, the flame stabilizer including two divergent combustion supporting gas stream deflector wings delimiting a downstream zone shielded from said gas stream and an upstream zone. A respective convergent-divergent nozzle is arranged in the downstream zone downstream of each hole and coaxially thereto, the nozzles having inlets facing the holes and the gas jets generated from these holes creating a negative pressure at the nozzle inlets, and the nozzle inlets communicating with the upstream zone through openings so arranged as to eliminate the influence of the dynamic pressure of the gas stream on the flow rate of gas drawn in by the nozzles through the openings.

REFERENCES:
patent: 2970772 (1961-02-01), Boosinger et al.
patent: 3187523 (1965-06-01), Kilbourn
patent: 3494712 (1970-02-01), Vosper et al.
patent: 3649211 (1972-03-01), Vosper
patent: 3689040 (1972-09-01), Reich
patent: 3732059 (1973-05-01), Goodnight et al.
patent: 3843309 (1974-10-01), Lambiris
patent: 4767319 (1988-08-01), Vosper

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