Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1988-07-13
1990-05-29
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combustion products generator
60748, 60760, 60753, F23R 332
Patent
active
049284819
ABSTRACT:
In a staged low NOx lean premix hot wall gas turbine combustor, the interior wall of the combustor is maintained at or near the flame temperature to provide stable operation over a wide range of heat release values. One or more stages of the staged combustor includes a Stirred Reactor region followed by a Plug Flow Reactor region. In one embodiment, a lean premixture of fuel and air is inducted tangentially into an annular intake manifold for inducting a cyclonic flow of the premixture into the combustion chamber. In another embodiment, the Stirred Reactor region is developed by colliding, preferably head-on, a plurality of jets of lean premixture within the combustion chamber.
REFERENCES:
patent: 2926495 (1960-03-01), Benson et al.
patent: 3872664 (1975-03-01), Lohmann et al.
patent: 3981675 (1976-09-01), Szetela
patent: 4073134 (1978-02-01), Koch
patent: 4112676 (1978-09-01), DeCorso
patent: 4805411 (1989-02-01), Hellat et al.
Premixing Gas and Air to Reduce NOx Emissions with Existing Proven Gas Turbine Combustion Chambers, by B. Becker, P. Berenbrink and H. Brandner; The American Society of Mechanical Engineers (1986).
NOx Reduction for Small Gas Turbine Power Plants, by Solar Turbines Incorporated (1987), pp. S-1 to S-9.
Gas Turbine Combustion, by Arthur H. Lefebvre, Thermal Sciences and Propulsion Center, School of Mechanical Engineering, Purdue University, West Lafayette, Indiana, pp. 492-498, (1983).
Joshi Narendra D.
Moreno Frederick E.
Casaregola Louis J.
PruTech II
Thorpe Timothy S.
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