Continuous vacuum pan

Details Continuous vacuum pan Continuous vacuum pan

2006-01-31

2006-01-31

Bhat, N. (Department: 1764)

Distillation: apparatus

Apparatus

Systems

C159S026100, C159S027100, C159S027500, C159S028200

Reexamination Certificate

active

06991708

ABSTRACT:
A continuous vacuum pan includes a cylindrical housing having a vertical axis, at least one liquid heating pan within the housing, and a vertical tube, floating calandria within the liquid heating pan. The vertical tube floating calandria has a downcomer between its periphery and the periphery of the liquid heating pan, and a gap is provided between the bottom of the calandria and the bottom of the liquid heating pan. Radially extending baffles in the liquid heating pan define a plurality of compartments located in series with one another, the compartments ranging from a first upstream compartment to a downstream output compartment. Ports are provided in all of the baffles except in the baffle between the output compartment and the first compartment. The ports are spaced from the bottom of the liquid heating pan, permitting communication between the compartments.

REFERENCES:
patent: 3880593 (1975-04-01), Windal
patent: 4412887 (1983-11-01), Dye
patent: 4816076 (1989-03-01), Rein
patent: 0 172 965 (1986-03-01), None
patent: 0 201 629 (1986-11-01), None
patent: 585583 (1947-02-01), None
patent: 621797 (1949-04-01), None
patent: 2003741 (1979-03-01), None

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