Falling film condensing heat exchanger with liquid film heat tra

Details Falling film condensing heat exchanger with liquid film heat tra Falling film condensing heat exchanger with liquid film heat tra

1997-06-09

1999-04-13

Flanigan, Allen

Heat exchange

With first fluid holder or collector open to second fluid

Trickler

165DIG172, 2611121, 261153, F28D 302

Patent

active

058934103

ABSTRACT:
The falling film condensing heat exchanger includes a plurality of vertical tubes carrying a coolant. A distribution plate is disposed at the upper end of the condenser shell and has a plurality of apertures receiving the tubes. The apertures in the distribution plate define an annular space around the tubes which permits liquid to flow through the distribution plate apertures in the form of a thin film about the tubes below the distribution plate to enhance heat transfer between the vapor on the shell side and the coolant on the tube side. The distribution plate has depressions about each of the apertures to puddle the liquid, ensuring flow of liquid through the apertures in the form of a thin film about the surface of each tube.

REFERENCES:
patent: 724511 (1903-04-01), Schutt
patent: 1906450 (1933-05-01), Demers
patent: 2944966 (1960-07-01), Eickmeyer
patent: 3227630 (1966-01-01), Beckman
patent: 3271969 (1966-09-01), Lorentzen
patent: 3292998 (1966-12-01), James
patent: 3795388 (1974-03-01), Toth
patent: 4235281 (1980-11-01), Fitch et al.
patent: 4477396 (1984-10-01), Wilkinson
patent: 4520866 (1985-06-01), Nakajima et al.
patent: 4532985 (1985-08-01), Cutler
patent: 4641706 (1987-02-01), Haynie

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