Combustion – Heated line section feeds flame holder
Patent
1990-03-23
1991-06-11
Jones, Larry
Combustion
Heated line section feeds flame holder
431215, 431243, 431199, F23D 1144
Patent
active
050228501
ABSTRACT:
A pilot flame or burner apparatus for supporting a flame provided by a gaseous fuel and air mixture which is induced to flow to a flame nozzle by an eductor into which gaseous fuel is ejected and mixed with combustion air to flow through a fuel-air mixing chamber to the nozzle. Combustion air enters the eductor by way of an opening formed by a shroud and a heat exchanger member disposed concentrically around the flame nozzle and the flame supported thereby so as to preheat the air to minimize the formation of ice at the eductor inlet. Generally horizontal and vertically disposed embodiments of the apparatus are useful as flare pilots for flaring gases in oil and gas production and refining operations. The combustion air inlet may be arranged to face the same direction as the flame nozzle to minimize the effect of wind blowing against the nozzle. One embodiment of the apparatus includes a T-shaped baffle for containing and deflecting the pilot flame and minimizing the induction of combustion gases with the inlet combustion air.
REFERENCES:
patent: 1493820 (1924-05-01), Miller
patent: 2243987 (1941-06-01), Stokes
patent: 3632284 (1972-01-01), Reichhelm
patent: 3685977 (1972-08-01), Goodman
Atlantic Richfield Company
Jones Larry
Martin Michael E.
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