Rock Products

OCT 2018

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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44 • ROCK products • October 2018 EQUIPMENT & TECHNOLOGY SCREENING & SIZING The Concept Screener Line (CSL) units from Best Process Solutions Inc. (BPS) are powered by twin rotating motor vibrators designed to give a linear and straight line type con- veyance action. The unit propels the product forward with a positive conveyance action designed to offer better stratifi- cation than typical sloped gravity or orbital type screeners. Available in mild steel or stainless steel 304 or 316. Screen options include finger screen, perforated plate, wire mesh and wedge wire. Options include dust-tight covers, multiple screen desks and multiple discharge locations. Also available in single motor designs. BPS manufactures a complete line of custom-engineered, bulk-processing equipment and systems. With more than 100 years' combined experience, the company serves a wide variety of dry processing industries from chemicals and food to aggregates and recycling. Best Process Solutions Inc., Van Tongeren System Classifies Aggregates Without Water Process equipment manufacturer Van Tongeren America unveiled a Gravita- tional-Inertial Classifier (GIC) system that automatically separates dry mate- rials without using water. Developed to replace the traditional wet separation process that often consumes millions of gallons of water daily with a dry process that needs no water, the pneumatic air classifier system harnesses gravitational, iner- tial, centrifugal and aerodynamic forces at the same time to separate particles at any cut point from 300 μm to 63 μm (50 to 230 mesh). The proprietary, heart-shaped GIC design passes a current of air through a curtain of falling material then directs each particle toward a series of vanes where coarse particles are discharged and entrained fine particles are recirculated in an eddy current until discharged and captured by a dust collector. Ideal for classifying manufactured sand, frac sand, crushed stone, cement, salt, lime, soda ash and a variety of aggregates and minerals, the GIC system is designed with no moving parts for dependable service and nearly zero maintenance in unat- tended, 24/7 operation. Proven in multiple installations, the novel Gravitational-Inertial Classifier has reduced operating costs, stream- lined operations and eliminated the need for settling ponds, in addition to saving water, according to the Lebanon, Pa.-based company. Van Tongeren America, Dual Motor Screeners From BPS Offer Smooth Linear Operation

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