Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Patent
1978-03-23
1980-04-01
Ostrager, Allen M.
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
60673, F01K 2506
Patent
active
041954858
ABSTRACT:
A distillation/absorption engine including apparatus for utilizing a lower boiling point, working fluid and a higher boiling point, absorption fluid, the absorption fluid having a relatively high degree of absorptivity for the working fluid. The apparatus includes a distillation column for separating the working fluid from the absorption fluid and a condenser/storage system for storage of the separated working fluid which is condensed and stored as a condensate. An absorption reboiler is used to revaporize the condensed working fluid. The revaporized working fluid is superheated in a superheater before producing mechanical energy in a mechanical expansion engine such as a turbine or the like. Thermal energy for the absorption reboiler is obtained from the heat of absorption generated by absorbing with the absorption fluid the spent working fluid from the mechanical expansion engine. Absorption of the spent working fluid also lowers the backpressure for improved efficiencies. Thermal energy for the superheater is provided by hot absorption fluid directly from the base of the distillation column. Surplus absorption fluid is stored under pressure in a pressurized storage vessel with pressure for the pressurized storage vessel being supplied by vaporized working fluid.
REFERENCES:
patent: 427400 (1890-05-01), Campbell
patent: 427401 (1890-05-01), Campbell
patent: 1961786 (1934-06-01), Roe
patent: 4009575 (1977-03-01), Hartman
Nydegger Rick D.
Ostrager Allen M.
Workman H. Ross
Young J. Winslow
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