Power generating gasification cycle employing first and second h

Details Power generating gasification cycle employing first and second h Power generating gasification cycle employing first and second h

1997-09-09

2000-03-07

Kim, Ted

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60 3912, 60 39511, F02C 328, F02B 4308

Patent

active

060324562

ABSTRACT:
An improved combined power generation cycle has been provided for electric power generation from gasified solid fuel such as coal or biomass. The power cycle provided by the present invention does not require the use of high-temperature particulate control systems or wet clean-up systems. A high-temperature high-pressure gas stream is first cooled in a heat-transfer system and then cooled again by any one of a variety of methods before the particulate solids and hazardous air pollutants are removed in a low-temperature dry solids collector. Then, the clean gas is reheated in the same heat-transfer system and is ready for use in power generation. Net plant efficiencies can be improved by injecting water or steam upstream of the topping cycle power generating means.

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