Integrated drying of feedstock feed to integrated combined-cycle

Details Integrated drying of feedstock feed to integrated combined-cycle Integrated drying of feedstock feed to integrated combined-cycle

1997-08-26

1999-09-21

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3912, F02C 328

Patent

active

059538996

ABSTRACT:
In a combined cycle gasification plant, high pressure fuel gas from the gasification unit is heated prior to combustion, and is then used to dry the feedstock. The moist fuel gas from the drying operation is combusted to drive the turbine. Alternatively, high-pressure inert gas such as nitrogen is heated in the gasification unit and is then used to dry the coal feed. Some of the moist inert gas is recycled, and some if it is passed to the combustion turbine.

REFERENCES:
patent: 4246071 (1981-01-01), Wegener et al.
patent: 4284476 (1981-08-01), Wagener et al.
patent: 4468288 (1984-08-01), Galow et al.
patent: 4976101 (1990-12-01), Schiffers

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