Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1990-11-26
1992-07-21
Dawson, Robert A.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
73227, 73281, 738659, 209211, 209499, 209546, 210 87, 210787, 2105121, 241 34, 340606, B01D 1712
Patent
active
051320240
ABSTRACT:
A method is disclosed of controlling the operation of a hydro-cyclone or a circuit embodying same. The method involves the measurement of a variable associated with the shape of the slurry underflow emanating from the hydro-cyclone outlet. The variable is generally the cone angle or, in effect, the radius or diameter of the conical shaped stream of slurry flowing from the outlet at a selected position below the outlet and this diameter can be measured using an arm or arms which operatively rides on the outer boundary of the slurry underflow stream.
REFERENCES:
patent: 3114510 (1963-12-01), McCarty et al.
patent: 4246576 (1981-01-01), Grieve et al.
patent: 4441102 (1984-04-01), Webb
patent: 4587024 (1986-05-01), Hayatdavoudi
patent: 4905897 (1990-03-01), Rogers et al.
patent: 5026486 (1991-06-01), Wikdahl
Engineer in Training Review Manual, Sixth Edition, Lindeburg, 1982, pp. 1-12, 209-211.
Publication--"Cyclone Circuits", Steel & Coal, Nov. 23, 1963, vol. 187, No. 4975, Abbott, pp. 1012-1015, 209-211.
Dawson Robert A.
Drodge Joseph
Mintek
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