Power plants – Motive fluid energized by externally applied heat – Power system involving change of state
Patent
1982-08-06
1984-12-25
Ostrager, Allen M.
Power plants
Motive fluid energized by externally applied heat
Power system involving change of state
F01K 2506, F01K 2510
Patent
active
044895631
ABSTRACT:
A method of generating energy which comprises utilizing relatively lower temperature available heat to effect partial distillation of at least portion of a multicomponent working fluid stream at an intermediate pressure to generate working fluid fractions of differing compositions. The fractions are used to produce at least one main rich solution which is relatively enriched with respect to the lower boiling component, and to produce at least one lean solution which is relatively improverished with respect to the lower boiling component. The pressure of the main rich solution is increased whereafter it is evaporated to produce a charged gaseous main working fluid. The main working fluid is expanded to a low pressure level to release energy. The spent low pressure level working fluid is condensed in a main absorption stage by dissolving with cooling in the lean solution to regenerate an initial working fluid for reuse.
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