Power plants – Combustion products used as motive fluid
Patent
1996-12-02
1998-09-08
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 39182, 60760, F02C 712
Patent
active
058028412
ABSTRACT:
A gas turbine plant comprises a gas turbine system provided with a compressor, a gas turbine and a generator which are mounted on a common shaft and operatively connected in series to each other, a gas turbine combustor system including a gas turbine combustor composed of an outer casing and an inner cylinder accommodated in the casing, and a cooling air circulation system operatively connected to the gas turbine combustor system for circulating cooling air. A cooling passage structure is disposed along an outer peripheral surface of the inner cylinder and a circulation line is disposed for circulating cooling air in the cooling passage structure and balancing the inner pressure of the casing of the gas turbine combustor. The cooling air circulation system includes an equalizer header unit for supplying the cooling air in the cooling passage structure to the circulation line, a heat exchanger unit for re-cooling the cooling air from the equalizer header unit and a blower unit for returning the cooling air to the cooling passage structure after the re-cooling.
REFERENCES:
patent: 5255505 (1993-10-01), Cloyde
patent: 5394687 (1995-03-01), Chen et al.
patent: 5581996 (1996-12-01), Koch
patent: 5640840 (1997-06-01), Briesch
ASME Paper, 92-GT-123, pp. 1-6, Jun. 1, 1992, H. Matsuzaki, et al., "Investigation of Combustion Structure Inside Low No.sub.x Combustors for a 1500 C-Class Gas Turbine".
Casaregola Louis J.
Kabushiki Kaisha Toshiba
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