Material processing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 25, 2020
Grant Date -
Oct 12, 2017
app pub date -
Apr 7, 2017
filing date -
Apr 7, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus for the wet attrition of particulate material comprising an attrition scrubber; a dewatering screen comprising a deck and a sump beneath the deck, the dewatering screen being mounted upstream of the attrition scrubber whereby oversize material from a downstream end of the deck of the dewatering screen passes into the attrition scrubber; and a hydrocyclone wherein an underflow, containing a coarser fraction of the feed slurry, passes out of a lower outlet of the hydrocylone while an overflow, containing a finer fraction of the feed slurry and most of the water, passes out of an outlet at the upper end of the hydrocyclone, a pump being provided for pumping material from the sump of the dewatering screen to the inlet of the hydrocyclone, wherein the underflow from the hydrocyclone is passed into the attrition scrubber.
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