Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1995-12-21
1998-06-23
Young, Karen M.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209159, B03B 700
Patent
active
057692386
ABSTRACT:
The present invention provides an apparatus for cleaning particulate materials which readily sink in water, being slightly heavier than water, such as beans, peas, grains, etc.; by removing much heavier particulates such as stones, glass, metal pieces, etc., and, by also removing particulates which either float or sink very slowly in water, such as plant stems and leaves, dead insects, bean pods, husks, dust etc. Differences in settling velocities in water are used to separate groups of particulate materials, by allowing the particulates to float or settle through two columns filled with water. The columns have water flowing upward at different velocities, or water flowing upward through one column and stagnant water in the other column.
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Morse Gregory A.
Young Karen M.
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