Nozzle for minisize gas-turbine combustor
A micro gas turbine and combustor technology, applied in the direction of combustors, continuous combustion chambers, burners, etc., can solve problems such as no cooling technology, large changes, hidden dangers of unit safety and stability, and reduce maintenance and operation costs. The effect of strengthening the mutual shearing action and prolonging the interval between overhauls
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[0030] Figure 1 to Figure 4 are specific embodiments of the present invention.
[0031] refer to figure 1 As shown, a micro gas turbine combustor nozzle A is a small-sized nozzle used in a 100kW-class micro gas turbine combustor. The diameter of the outer wall surface 4 of the nozzle A is not more than 15 mm, and the diameter of the outer wall 5 of the air injection channel 3 at the root of the burner is not more than 25 mm. On the premise of not increasing the manufacturing cost of the nozzle A and using conventional processing methods, the efficient atomization of fuel can be achieved in such a small-scale space by optimizing the design. Among them, the oil passage 1 is provided with a built-in centrifugal atomizing device 6, the air passage is provided with an axial cyclone 7, and an annular constriction 8 is provided before the atomized airflow is ejected. The oil delivery pipe of the nozzle A is a stainless steel pipe, the front end is overfitted with the built-in cen...
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