Device for operating an annular combustion chamber equipped with

Details Device for operating an annular combustion chamber equipped with Device for operating an annular combustion chamber equipped with

1997-04-25

1999-03-23

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With variable oxidizer control

60740, F02C 722, F23R 326

Patent

active

058844716

ABSTRACT:
The invention relates to a device for operating an annular combustion chamber (15) which is equipped with combined burners (1) for liquid (4) and gaseous fuels (9), in particular burners of the double-cone design, each burner (1) having a fuel lance (3), with at least one additional air passage (7), for feeding the liquid fuel (4) and an airblast nozzle (2) for atomizing the liquid fuel (4), into which airblast nozzle (2) atomizing air (5) is fed from outside the burner hood (13), and an adjusting mechanism being provided for at least partly throttling the inflow of the atomizing air (5) during gas operation, wherein the adjusting mechanism is an external valve (21) which is arranged in a main feed line (19), coming from the compressor outlet (18), for the atomizing air (5), the main feed line (19) leading into a ring line (20), and the ring line (20) being connected to the head (24) of each fuel lance (3) via one branch line (23) each.

REFERENCES:
patent: 1338679 (1920-05-01), Davison
patent: 2595759 (1952-05-01), Buckland et al.
patent: 3668869 (1972-06-01), DeCorso et al.
patent: 3763650 (1973-10-01), Hussey et al.
patent: 5097666 (1992-03-01), Shekleton et al.

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