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Powder & Bulk Solids, October 2013

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PowderBulkSolids.com O C T O B E R 2 01 3 • IN THIS ISSUE Vol. 31, No. 11 Modern High-Efficiency Air Classification Particle size separation or classification can be one of the more challenging unit operations in particle technology. With average particle size distributions greater than 100 microns, screening or sieving are most commonly used. Read more on page 6 Matching Magnets with Metal Detectors T h e S o u r c e f o r D r y P r o c e s s i n g a n d B u l k H a n d l i n g Te c h n o l o g y While productivity is the end goal for any company involved in bulk material handling there are considerable challenges to meet customers' demands for product purity. Read more on page 10 Weighing Spotlight Rice Lake offers the 880 Performance Series panel-mount indicator that offers a compact design that easily fits into new and existing control panels. Advanced communication protocols add diverse power to this intuitive, user-friendly device. Read more on page 18 Waterfall Disc Screen The WSM Waterfall disc screen delivers high-capacity "fines" screening and improves screening efficiency due to increased material agitation. The Waterfall disc screen's design utilizes multiple roll screening decks that agitate and tumble the mat of material being screened as it falls from level to level. This tumbling movement is similar to a waterfall in that the mat is blended as it falls and fine particles that were in the upper portion now have a chance to be screened on the lower deck. As a result, high-volume screening capacity and effective product separation are achieved in a small package size. West Salem Machinery, Salem, OR 503-364-2213 www.westsalem.com Criteria for Selecting Vibratory main_head or Tumbler main_head Screeners main_head Read more on page 22 body body body New Generation Tilt Level Controls This new generation of tilt level controls is designed for dry bulk material level indication and control applications. These new UL-Listed control units are enclosed in rugged cast aluminum housings with LED indicator lights to alert the operator of either the presence or absence of material. Equipped with a new surface-mount PC board, the unit now allows for a maximum of 5000 ft of cable between the control unit and probe, permitting placement of the control unit in an easily accessible area. The control units are available in three different models for use in different environments. The Model CT-105 control unit is NEMA Type 4, 4X for use in general purpose outdoor applications and is dust proof and weather tight. Conveyor Components Co., Croswell, MI 800-233-3233 www.conveyorcomponents.com Official Publication of PowderShow.com magenta cyan yellow black ES320472_PB1310_001.pgs 09.19.2013 01:43 UBM

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