Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1991-08-14
1993-09-28
Drodge, Joseph W.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
73227, 73281, 209211, 209546, 209552, 210 87, 210103, 210143, 210741, 241 33, 340606, B01D 1712
Patent
active
052484424
ABSTRACT:
A method and means for measuring a characteristic, in particular one associated with particle size, of any of the feed, underflow or overflow streams of a hydrocyclone is provided. Information as to the flowrate and density of the feed stream as well as the angle of flare or other related variable associated with the shape of the underflow stream are fed to processing means which applies a formula or algorithm, which is usually empirically derived, to such information to provide a value of the required characteristic. The characteristic may be related to particle size, particle size distribution in any of the streams or the liquid content or the flowrates of solids or liquids in the underflow or overflow. Measurement apparatus comprising a dedicated hydrocyclone is also provided.
REFERENCES:
patent: 3114510 (1963-12-01), McCarty et al.
patent: 3783252 (1974-01-01), Putman
patent: 4246576 (1981-01-01), Grieve et al.
patent: 4441102 (1984-04-01), Webb
patent: 4670161 (1987-06-01), Hayatdavoudi
patent: 5132024 (1992-07-01), Hulbert
Drodge Joseph W.
Mintek
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