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Details
Inventors: Prueitt, Melvin L.;
Assignee:
Primary Examiner: Gromada; Denise L.
Assistant Examiner: Basichas; Alfred
Attorney, Agent or Firm:

A power generating system is powered by a circulating working fluid that is heated by heat of condensation deposited in a concentrated brine solution. A condenser transfers heat from working fluid vapor exhaust from the turbine to cooling water to form a condensed working fluid and heat the cooling water to a first vapor pressure. A heat transfer chamber has a concentrated brine solution in vapor communication with the cooling water so that vapor from the cooling water at the first vapor pressure will condense on the brine solution for diluting and heating the brine solution. For efficient heat and vapor transfer, the cooling water and the brine solution are caused to flow along opposed surfaces. A boiler is placed in heat transfer communication with the brine solution for receiving heat from the brine solution and heating the condensed working fluid to a vapor for input to the turbine.

DETAILED DESCRIPTION To achieve the foregoing and other objects, and in accordance with the purposes of the present invention, as embodied and broadly described herein, the apparatus of this invention may comprise a power generating system powered by a circulating working fluid that is heated by heat of condensation deposited in a concentrated brine solution.
A condenser transfers heat from working fluid vapor exhaust from the turbine to cooling water to form a condensed working fluid and heat the cooling water to a first vapor pressure.
A heat transfer chamber has a concentrated brine solution in vapor communication with the cooling water so that vapor from the cooling water at the first vapor pressure will condense on the brine solution for diluting and heating the brine solution.
A boiler is placed in heat transfer communication with the brine solution for receiving heat from the brine solution and heating the condensed working fluid to a vapor for input to the turbine.
In a particular embodiment of the invention, the condenser has a first heat transfer partition for condensing exhaust vapor of the working fluid from the turbine on a first surface wherein a first latent heat of condensation heats the first heat transfer partition to form condensed working fluid from the vapor.
A heat transfer chamber is formed by a second surface of the first heat transfer partition and a first surface of a second heat transfer partition, wherein the first surface of the second heat transfer partition is separated from and in volume communication with the second surface of the first heat transfer partition.
A water inlet provides flowing water along the second surface of the first heat transfer partition, wherein the flowing water is heated to have a first vapor pressure by transfer of the first latent heat of condensation through the first heat transfer partition.
A concentrated brine inlet flows concentrated brine along the first surface of the second heat transfer partition, wherein the concentrated brine has a second vapor pressure less than the first vapor pressure of the flowing water so that vapor from the flowing water condenses on the flowing concentrated brine to release a second latent heat of condensation to heat the concentrated brine solution



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