Single flow cascade power system

Details Single flow cascade power system Single flow cascade power system

2006-06-06

2006-06-06

Nguyen, Hoang (Department: 3748)

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

C060S651000, C060S653000, C060S671000, C060S679000

Reexamination Certificate

active

07055326

ABSTRACT:
A cascade power system is disclosed where a single basic working composition (BWC) of a multi-component working fluid stream is fully vaporized in a vaporization subsystem utilizing heat derived from a heat source stream such as a combustion gas stream and energy is extracted from the stream in a multi-stage energy extraction system. The energy extraction subsystem is designed to produce a fully spent BWC stream and a partially spent BWC stream. The fully spend BWC stream is then divided into a fully condensed lean stream and a fully condensed rich stream in a Condensation-Thermal Compression Subsystem. The partially spent stream and stream derived therefrom are used to form a second lean stream and a second rich stream and to heat the fully condensed lean stream and a combined rich stream prior to vaporization.

REFERENCES:
patent: 6158220 (2000-12-01), Hansen et al.
patent: 6158221 (2000-12-01), Fancher et al.
patent: 6167705 (2001-01-01), Hansen et al.
patent: 6170263 (2001-01-01), Chow et al.

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