Rock Products

JUL 2017

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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42 • ROCK products • July 2017 www.rockproducts.com EQUIPMENT & TECHNOLOGY SCREENING & SIZING Vibrating dewatering screens from process equipment man- ufacturer The Witte Co. of Washington, N.J., remove excess moisture from saturated materials to allow fast, efficient drying downstream in a fluid bed dryer. Draining the moisture mechanically at low cost instead of using heat energy, the vibrating dewatering screens reduce the moisture content of coarse products in a slurry to 2 to 4 percent while continuously feeding the material to the dryer at up to 20,000 lb./hour in a form that allows the remaining moisture to be more efficiently removed at a far lower cost than by drying alone. With 1,000 BTU's of heat energy required to evaporate a single pound of water, the integrated dewatering and drying system offers significant cost savings in common applications. An effective alternative to filter presses and dewatering screws, the Witte vibrating dewatering screens are ideal for frac sand and other products where a very low moisture level is required at dryer discharge and cost is an important consideration. For added efficiency, the Witte dewaterer may be fitted with spray nozzles to integrate rinsing steps into the process. The Witte Co. Inc., www.witte.com Deister Offers EMCO 360 Crusher Optimizer Feeder Deister Machine Co. Inc., introduced its new EMCO 360 Crusher Optimizer Feeder – the latest addition to its line of electromechanical vibrating feeders. The EMCO 360 Crusher Optimizer Feeder is specifically engineered to optimize cone crusher performance. Featuring a 360-degree discharge opening, the unit distrib- utes a homogeneous feed to cone crushers, keeping cones choke-fed for optimum efficiency, product consistency and improved production rates. Available in a wide range of sizes and capacities, the Deister EMCO 360 Crusher Optimizer Feeder Series is backed with 24/7 parts and service support; stocked American-made parts; and a global network of dealers. In addition to the new EMCO 360 Feeder, Deister highlighted several of its innovative screening, scalping and feeding solu- tions at ConExpo-Con/Agg 2017 in Las Vegas. The Deister BHM-3824-03T is a 3-deck, 8-ft. x 24-ft. wash- ing screen with a triple-shaft vibrating mechanism. Inclined screens with the mechanism located between the decks offer the most economical combination of capacity and mechanical simplicity, according to the company. The EMF-Series two-mass electromechanical vibrating feeder is designed to allow greater control over high-capacity feed rates and productivity, while lowering costs per ton in a wide variety of aggregate, mining and mineral applications. Engineered to deliver greater reliability and ease of main- tenance, the Deister EMF Series features a machine weight that is more robust. Units incorporate a high-profile infeed lip; and a heavy-duty formed deck with replaceable liners. A simplified drive is designed with an easy-access exciter frame, which houses the single vibrator motor. This results in higher bearing life, and eliminates the need to replace belts. Additionally, units feature energy-efficient pre-compressed steel transmission springs, which are not susceptible to tempera- ture or shelf life; and heavy-duty spring isolation assemblies for suspension or support mounting. Deister offers expedited deliveries of one- to two-weeks on stock models. Deister Machine Co., www.deistermachine.com Witte Co. Vibrating Dewatering Screens for Fluid Bed Drying

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