Classifying – separating – and assorting solids – Sifting – With liquid treatment
Patent
1982-01-15
1984-07-10
Lutter, Frank W.
Classifying, separating, and assorting solids
Sifting
With liquid treatment
209268, 209380, 210384, 175206, B07B 128, B07B 150
Patent
active
044592078
ABSTRACT:
Method and apparatus for making a sharp separation of solids into components which are finer than the screen mesh and coarser then the screen mesh. The solids ladened fluid is introduced onto a screen to separate coarse solids from fine solids. A tray containing a body of aqueous liquid is vibrated causing the aqueous liquid to repeatedly contact the solids while on the screen to provide the needed mobility for fine particles to pass through the screen with the liquid. The aqueous liquid returns to the tray and the vibration of the tray aids in removal of the fine solids which have passed through the screen from the tray. Aqueous liquid is continuously added to the tray or sprayed above the screen to keep accumulated solids from increasing the viscosity of the aqueous liquid in the tray.
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Bond Wm.
Brown Scott H.
Hook Fred E.
Lutter Frank W.
Standard Oil Company
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