Process for producing power

Details Process for producing power Process for producing power

1987-11-10

1989-05-16

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3953, 60 3956, F02G 300

Patent

active

048297631

ABSTRACT:
A process is disclosed for producing mechanical energy or electric power from chemical energy contained in a fuel, utilizing a combustion turbine. The compressed air which is used for combustion of the fuel to drive the turbine is humidified prior to combustion in a multistage countercurrent saturator to replace some or all of the thermal diluent air with water vapor. Humidification is effected with the water at a temperature below its boiling point at the operating pressure. The compressed air is cooled prior to humidification by passing in heat exchange relationship with the water used for humidification. Low level heat is rejected from the compressed air during intercooling and prior to humidification. This process provides a significant improvement in thermal efficiency, compared to combined cycle, steam injected cycle, intercooled regenerative cycle, and other air humidification based processes. Additionally, the entire steam cycle of a combined cycle process is eliminated, including the steam turbine generator, steam drums, surface condenser and cooling towers.

REFERENCES:
patent: 2186706 (1940-01-01), Martinka
patent: 2869324 (1959-01-01), Foote
patent: 3335565 (1967-08-01), Aguet
patent: 3461667 (1969-08-01), Aguet
patent: 3657879 (1972-04-01), Ewbank et al.
patent: 3731485 (1973-05-01), Rudolph et al.
patent: 4448018 (1984-05-01), Sayama et al.
patent: 4537023 (1985-08-01), Nakamura et al.

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