Refrigeration – Separator for solidified constituent of liquid mixture
Patent
1980-06-16
1981-09-01
Capossela, Ronald C.
Refrigeration
Separator for solidified constituent of liquid mixture
62317, 165141, 165142, B01D 904, C02F 122
Patent
active
042864364
ABSTRACT:
A falling film freeze exchanger having a plurality of spaced apart vertical freeze tubes secured in, and penetrating, an upper and a lower tube sheet; a cover above the upper tube sheet; a shell around the tube sheets and connected thereto, with said cover supported by the shell; the upper ends of the freeze tubes desirably extending above the upper tube sheet and, optionally, the lower ends of the freeze tubes not being enclosed by the shell; a conduit to deliver a liquid feed stream into a feed box between the upper tube sheet and the cover; a conduit to deliver a cooling fluid around the tubes inside of the shell between the upper and lower tube sheets; and, a conduit to remove cooling fluid therefrom.
A falling film freeze exchanger comprising a vessel having a top, bottom and side wall enclosing a liquid feed box in the bottom portion, and a cooling fluid space in the top portion separated by a tube sheet; a plurality of freeze tubes, supported by the tube sheet, extending downwardly in the feed box and out through holes larger than the freeze tubes in the vessel bottom; a conduit to deliver a liquid feed stream into the feed box; a conduit to deliver a cooling fluid into the cooling fluid space; and, a conduit to remove cooling fluid therefrom.
REFERENCES:
patent: 2718279 (1955-09-01), Kraus
patent: 3085626 (1963-04-01), Bognar et al.
patent: 3924675 (1975-12-01), Essebaggers
Allo Vincent F.
Engdahl Gerald E.
Nail James A.
Capossela Ronald C.
Chicago Bridge & Iron Company
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