Compact Rotary Drum Screen

Feb 18, 2015

This new, compact rotary drum screen from Munson Machinery removes solids from industrial and municipal waste streams, and recovers solid product from process streams, at rates from 600 to 2790 gal/min without blinding or clogging the screen, while reducing floor space and headroom requirements compared with non-rotating equipment of equivalent capacity. The stainless steel Model 24-RDS-72 is comprised of a 24-in.-diam, 72-in.-long cylinder with durable wedge-wire screening, a variable speed drive, head box, discharge chute, and support structure. Solids-laden effluent discharges from the head box and overflows a weir, flooding the entire length of the variable speed, rotating wedgewire drum screen. Solids deposited on the screen gravity-drain through slotted apertures to moisture levels in the 20 percent range before being removed by a doctor blade and chute. Liquid passing through the screen falls onto an internal baffle that concentrates the flow, forming a full-length water knife that impinges against the underside of the screen, dislodging any solids trapped in apertures, even when handling oily, greasy, fibrous or resinous matter. A variable-speed drive allows adjustment of drum rotation speed to achieve maximum dewatering effectiveness. The wedge-wire screen of the cylinder is available in many orifice sizes from .002 to .110 in. The rotating drum is the only moving part, minimizing initial cost, operating cost, and maintenance. Munson Machinery Company, Inc., Utica, NY 800-944-6644 www.munsonmachinery.com

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