Refurbishing conventional power plants for Kalina cycle operation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 14, 2000
Grant Date -
N/A
app pub date -
Jan 13, 1999
filing date -
Jan 13, 1999
priority date (Note) -
Expired
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Abstract
A method is provided which refurbishes a Rankine cycle vapor generator initially having a plurality of Rankine heaters for supporting a Rankine cycle subsystem. The method removes at least one of the Rankine heaters, and replaces the at least one removed Rankine heater with a non-Rankine heater for a Kalina cycle subsystem. The vapor generator comprises a first plurality of tubes for receiving a first working fluid, and a second plurality of tubes for receiving a second working fluid. The first plurality of tubes are directed along a first path exposed to heat from a heat source to increase the temperature of the first working fluid within the first plurality of tubes. The second plurality of tubes are directed along a second path exposed to heat from the heat source to increase the temperature of the second working fluid within the second plurality of tubes. The first plurality of tubes supply the heated first working fluid to components of a Rankine cycle subsystem and the second plurality of tubes supply the heated second working fluid to components of a Kalina cycle subsystem.
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