Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Patent
1999-01-13
2000-03-14
Nguyen, Hoang
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
60651, 60653, 60679, F01K 2506
Patent
active
060356421
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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Peletz, Jr. Lawrence J.
Tanca Michael C.
Combustion Engineering Inc.
Fournier, Jr. Arthur E.
Nguyen Hoang
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