Pit & Quarry, October 2011
EQUIPMENT FOCUS WASHING CLASSIFYING EQUIPMENT Washing unit removes contamination The Haver Hydro Clean washing unit from W S Tyler cleans deleterious material from aggregate effectively while reducing water consumption by up to 75 percent and energy costs by up to 15 percent over traditional log washers the company says Taking a maximum feed material size of up to 6 in into its vertical drum the Hydro Clean employs high pressure nozzles rotating at 90 rpm to spray up to 90 percent recycled water on the material with pressures up to 2900 psi The washing unit removes silt and clay particles as small as 63 microns from mineral mixtures and with its short retention times can process up to 400 tph depending on model size and application Due to its compact size and weight overall operating and structural costs are considerably lower than with traditional washing systems the company says www wstyler ca Alternative to wet washing Sturtevant Whirlwind air classifiers incorporate an internal fan and rejecter blade classification system Its self contained design does not require cyclones valves dampers ductwork external fan or the additional supports required to handle these components The feed is belt conveyed into the air classifier by gravity The dedusted manufactured sand exits the classifier by gravity for belt conveying to the clean pile The dry minus 200 mesh fines also exit the classifier by gravity for belt conveying to a fines byproduct pile The entire flow of fines discharges from one outlet The rotating selector blades control the particle size of the fines removed by the air www sturtevantinc com C L DEWS SONS FOUNDRY MACHINERY CO INC Call toll free 1 877 339 7339 For 67 Years For Blanchard ground Registered fit HSI Wear Parts For VSI HSI Chrome Iron Wear Parts Tables Anvil Rings For Mississippi Highway Construction Grates Frames Manhole Rings Covers Curb Inlets Riser Rings etc A Canica Dealer on VSI Machines for Southeast USA Sale or Rent 1600 Edwards Street Hattiesburg MS 39401 601 582 4427 Fax 601 544 4937 1 877 339 7339 Website www dewsfoundry com 18 PIT QUARRY October 2011 www pitandquarry com
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