Power generation with fractionator overhead vapor stream

Details Power generation with fractionator overhead vapor stream Power generation with fractionator overhead vapor stream

1982-07-01

1984-01-31

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60676, 203DIG20, 208365, F01K 1700

Patent

active

044282010

ABSTRACT:
A method is disclosed for recovering useful energy from the overhead stream of a fractionation column. A high efficiency for the overall process is achieved by first removing heat from the overhead stream by vaporizing an expansion turbine working fluid stream and by then removing an additional amount of heat in a working fluid preheater. The amount of working fluid flowing through the preheater is more than is vaporized by exchange against the overhead stream. The remaining liquid-phase portion of the working fluid is separately passed into a second vaporizer having a different heat source.

REFERENCES:
patent: 3254024 (1966-05-01), Huckins, Jr. et al.
patent: 3265590 (1966-08-01), Redcay
patent: 3367846 (1968-02-01), Uitti et al.
patent: 4109469 (1978-08-01), Carson

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