If your plant operates with a Classifying Tank and Sand Screw you may have been frustrated by:
- The loss of quality material to your settling ponds.
- High moisture content of your final sand product (23-25% moisture).
Quantifying the loss
In a recent article, published by Pit & Quarry, Lane Southard quantified what this loss means to an operation.
He outlined the example of a 200-tons-per-hour sand washing plant, operating for 2,000 hours per year.
Therefore 400,000 tons produced per year.
He conservatively estimated the fines loss from sand screws to be at least 2.5 percent of production.
This equates to 5 tons per hour or 10,000 tons per year.
Assuming a price per ton of $10, the typical sand screw operation is losing $100,000 of quality sand to settling ponds.
For operators that re-process this material they could lose an average of two days production per quarter, which equates to a loss of 12,800 tons of sand production per year or $128,000.
That's a lot of quality sand and revenue.
Click below to request the full article by Lane.