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US 11,319,247 B2Granted
Fine grit classifier
AssigneeRDP Technologies, Inc.
InventorRichard W. Christy
Life of this patent
Estimating the term…
Abstract
A fine grit classifier for removing grit from a milk of lime slurry includes a settling tank for receiving the milk of lime slurry, means for creating turbulence inside the tank to promote grit settling, a launder for collecting milk of lime slurry from an upper portion of the settling tank and directing milk of lime slurry to an outlet, and an auger for transporting settled grit from the lower portion of the settling tank and discharging the settled grit.
Claims18
A fine grit classifier for removing grit from a milk of lime slurry, the fine grit classifier including:
- a settling tank for receiving the milk of lime slurry, the settling tank providing a predetermined water line for the milk of lime slurry, the settling tank having a lower portion below the water line and an upper portion above the water line;
- an inlet for delivering the milk of lime slurry to the settling tank;
- an outlet for discharging clarified milk of lime slurry from the settling tank;
- at least one launder for collecting milk of lime slurry from the upper portion of the settling tank and directing milk of lime slurry to the outlet, the at least one launder including at least one weir;
- at least one auger having a lower end and an upper end for transporting settled grit from the lower portion of the settling tank to the upper portion of the settling tank and discharging the settled grit from the fine grit classifier, and an adjustable sizing baffle limiting the size of grit particles delivered to the outlet of the settling tank, the sizing baffle being provided proximate the weir of the at least one launder.
2 more elements
Dependencies are inferred from the claim text.