Vertical agitating apparatus
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United States of America Patent
Stats
-
Oct 2, 2001
Grant Date -
N/A
app pub date -
Mar 30, 1999
filing date -
Mar 31, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a vertical agitating apparatus which can shorten the time of vertically uniform mixing, uniformalize flow rates in the vertical direction, and shorten the time of heat transmission in a deep liquid agitating tank, an agitating tank having a conical bottom part with an acute apex angle of less than 60 deg. or in a tank combination of the former two tanks, and in which a rotary shaft is arranged in the tank so as to be rotatable by a drive located outside of the tank, bottom paddle blades having a large area are attached to the lower part of the rotary shaft, and lattice blades in combination of vertical grids and horizontal arms are provided to the rotary shaft above the bottom paddle blades, the distance between the outer edge of the vertical blades at the outermost end of the lattice blade and the center of the rotary shaft being set so as to be greater than that of the bottom paddle blades.
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