Liquid metal solar power system

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Details

126435, 126437, 126443, 126451, F24J 302

Patent

active

044548656

ABSTRACT:
A solar power system for cogenerating heat and electricity is disclosed. An improved solar collector includes a transparent reflector envelope through which a reflective liquid metal such as mercury is circulated. The liquid metal is preheated as it focuses solar radiation onto the receiver of the collector module. A baffle tube within the receiver is perforated to permit the circulation of working fluid out of the absorption chamber of the receiver into the narrow annulus between the baffle tube and the receiver wall, thereby promoting the rapid generation of vapor. The liquid metal vapor is discharged through the channel of a magnetohydrodynamic generator for producing electrical power in a first power generating stage. The liquid metal vapor is condensed and accumulated in a primary storage reservoir for driving a turbine generator in a second generating stage, thereby providing electrical power during periods of insufficient solar radiation. Liquid metal discharged from the turbine is accumulated in a secondary storage reservoir for supplying the solar collector module during periods of adquate solar radiation.

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