Power plants – Combustion products used as motive fluid – With exhaust treatment
Patent
1984-01-16
1985-12-03
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
With exhaust treatment
60 3983, F02C 708, F02G 100
Patent
active
045559023
ABSTRACT:
A heat recovery system for supplementing the exhaust mass flow from a gas turbine with additional flow of preheated air to provide greater steam output from a heat recovery unit such as a steam generator. The supplemental preheated air is ambient ventilation air which is used to cool the outer enclosure of the gas turbine. A diverter valve is employed to selectively add to the mass flow from the gas turbine any appropriate mass flow of the ventilation air between zero and a maximum amount. An eductor may be used to aid a blower for moving the supplemental air. A duct burner upstream from the heat recovery unit is employed to raise the temperature of a mixture of turbine exhaust gases and ventilation air being supplied to the heat recovery unit. In a similar fashion, supplemental preheated air may be taken from air used for cooling a generator or other primary load being driven by the gas turbine.
REFERENCES:
patent: 3118429 (1964-01-01), Hochmuth
patent: 3642061 (1972-02-01), Waeselynck
patent: 3905191 (1975-09-01), Matto
patent: 4182117 (1979-01-01), Exley et al.
patent: 4182119 (1980-01-01), Hurley
Bryan Roland T.
Casaregola Louis J.
Thorpe Timothy S.
Vevy Manufacturing Inc.
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