Film evaporator
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United States of America Patent
Stats
-
Feb 9, 1993
Grant Date -
N/A
app pub date -
Mar 26, 1990
filing date -
Jul 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A film evaporator formed by a cylindrical body section (50) with a heating jacket (53) and angled scraping blades (84) mounted on a rotatable shaft (76) to move the thickened material downwardly through the evaporator. Below the body section (50) is an inverted frusto-conical section (62) containing inclined scraping blades (86) also mounted on the shaft (76) and a smaller diameter lower body section (64) through which the thickened product can be discharged by a screw (93) of opposite hand to the scraping blades (84). The screw (93) is carried on a lower shaft (88) which is journalled to the shaft (76) so that the shafts can be rotated independently and in opposite directions.
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