Main device types
Screening - Screening surfaces and equipment
Article REF: J3101 V1
Main device types
Screening - Screening surfaces and equipment

Authors : Pierre BLAZY, Robert JOUSSEMET

Publication date: December 10, 2009 | Lire en français

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3. Main device types

Of all the unit operations involved in mineral processing, screening is the most universal. Applications range from the sorting of very large blocks (scalping) to the finest classifications (down to 40 or 50 μm). For fine grading, sieving and hydraulic grading are superimposed. Les Travaux Publics de France [13] has published a directory listing the most common types of equipment available on the French civil engineering market.

3.1 Static screens and grids

  • Flat inclined grids

    The first type of static grid encountered by raw material in all installations is usually a scalper or grizzly. This was originally a set of fixed longitudinal and/or transverse...

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