Power plants – Combustion products used as motive fluid
Patent
1990-01-26
1992-07-21
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 3907, F02C 700
Patent
active
051312204
ABSTRACT:
An exothermic chemical process carried out above atmospheric pressure, in which a first pressurized gas stream from the process and a second pressurized fluid stream containing an excess of high temperature heat from the process is passed through a heat exchanger to heat the first pressurized gas with a portion of the excess high temperature heat, and the heated first pressurized gas is expanded to generate work. An additional amount of pressurized gas and at least a portion of the second pressurized fluid stream is passed through a heat exchanger to heat the additional amount of pressurized gas with another portion of the excess high temperature heat contained in the second pressurized fluid stream, with the additional amount of pressurized gas being independent to the amount required or produced by the process. The heated additional amount of pressurized gas is expanded to generate work, with the additional amount of pressurized gas being such that the total amount of gas expanded is greater than the amount of gas which would have been available for expansion without supplying the additional amount of pressurized gas.
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Robertson et al. "Second-Generation PFB . . ." Presented at EPRI Conference, Published Abstract 2-5, May 1988, pp. 1-19.
Robertson "Key Components for a High-Efficiency . . . " 9th Intl Conference on FBC, 1987, Boston, pp. 1013-1020.
De Leur Johan E.
Linnhoff Bodo
Pretty Bruce L.
Casaregola Louis J.
National Research Development Corporation
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