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Screening Machines

polyurethane screen panel

These screening machines are used to screen or classify wet or dry materials like sand, aggregate, ash, and more into multiple grades by particle size. All machines use high frequency vibrating equipment that drives a rectangular polyurethane screen panel with a fine screen mesh. They can screen or classify material ranging in sizes from 1/8 inch (3mm) down to 325 mesh.

View ( 21 ) Case Studies about Screening Machines Below

The multi-deck sand screeners are capable of high capacity wet screening in a small footprint. Each of the 5 screening panels make a particle size separation using the Derrick Polyweb Urethane screen. Process up to 150 tons per hour per machine. Each screen panel surface typically lasts 8-10 months or longer.

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Removing Oversized Waste from Dune Sand at West Texas Frac Sand PlantRemoving oversized waste from feed to the wet plant.

The sand (dune sand) deposits being mined for frac sand in the West Texas area commonly has oversize and undesirable objects contained in the feed to the wet plant. These objects can be 1/2” to 3/4” sized caliche or other small aggregate, as well as organic material like roots, leaves, and sticks. The objects are problematic for wash plants and cause contamination issues for the final frac sand products.

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Dry Screening Silica Sand
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Silica sand particles are sized and processed for use as frac using a vibrating screen. The sand is fed to the vibrating screen at a rate of 12-15 tons per hour. The dry urethane screen panels size the sand between 40 US mesh and 20 US mesh. The panels are specially designed for an extended life cycle with the abrasive silica sand.

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A US lime producer needed to replace 2 brute force vibratory screens at their limestone quarry due to constant failure of the drive bearings, lost production time, and maintenance costs. After discussions with plant engineering, a single unit with a natural frequency drive screen was selected to process crushed limestone at a rate of 650 tons per hour.

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