Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1994-09-13
1996-10-01
Lithgow, Thomas M.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209730, 209731, 209733, 2102212, 2105123, 162 4, B03D 124, B04C 516, B04C 5181
Patent
active
055608183
ABSTRACT:
A conventional gas-sparged hydrocyclone, including a plug that cooperates with an interior surface of the hydrocyclone to adjust the size of an orifice defined adjacent the suspension outlet, is mechanically adjusted. The plug position is adjusted by a mechanical device from a position exteriorly of the hollow body while the hydrocyclone is running with suspension fed to its inlet, to effect direct linear movement of the plug with respect to the body interior surface. The mechanical elements include first and second pins and links within the hydrocyclone, a shaft having a drive portion extending exteriorly of the hydrocyclone, and a manually actuated link assembly or stepper motor for rotating the shaft. The manual actuator may be associated with an indexing arrangement to positively hold the plug at the position to which it has been adjusted.
REFERENCES:
patent: 4744890 (1988-05-01), Miller
patent: 4838434 (1989-06-01), Miller
patent: 5069751 (1991-12-01), Chamblee et al.
patent: 5116488 (1992-05-01), Torregrossa
patent: 5131980 (1992-07-01), Chamblee et al.
patent: 5173177 (1992-12-01), Greenwood et al.
Ahlstrom Machinery Inc.
Lithgow Thomas M.
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