Downflow shell and tube reboiler-condenser heat exchanger for cr

Details Downflow shell and tube reboiler-condenser heat exchanger for cr Downflow shell and tube reboiler-condenser heat exchanger for cr

1996-01-17

1997-12-23

Bennett, Henry A.

Refrigeration

Processes

Treating an article

62 62, 165111, F25D 1306

Patent

active

056996713

ABSTRACT:
The invention comprises a downflow shell and tube condenser, especially useful for cryogenic rectification, which includes a shell having an upper tube sheet and a lower tube sheet, the shell extending above the upper tube sheet to create a first reservoir. A plurality of heat transfer tubes extend between the upper tube sheet and the lower tube sheet and also pass through the lower tube sheet. Cold liquid entering the heat transfer tubes flows down through the tubes and causes a condensation of vapor that is in contact therewith within the shell. The cold liquid is at least partially vaporized and exits from the lowermost ends of the heat transfer tubes.

REFERENCES:
patent: Re33026 (1989-08-01), Petit et al.
patent: 4317786 (1982-03-01), Lagana
patent: 4436146 (1984-03-01), Smolarek
patent: 4472325 (1984-09-01), Robbins
patent: 4599097 (1986-07-01), Petit et al.
patent: 5014773 (1991-05-01), Beduz et al.
patent: 5071458 (1991-12-01), Grenier et al.
patent: 5122174 (1992-06-01), Sunder et al.
patent: 5438836 (1995-08-01), Srinivasan et al.

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