Powder and Bulk Engineering

PBE0819

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Updated 2019 August 2019 / 37 Conveyor selection* Key: 1 Multiple linked conveyor configurations allow longer conveying routes 2 Requires multiple conveyors & drives 3 Extremely restricted elevating capabilities 4 Requires additional features to condition motive air 5 Application-dependent Flexible screw conveyor Conventional screw conveyor Aeromechanical conveyor Pneumatic conveyor Tubular cable drag conveyor Heavy-duty drag chain conveyor Ultra-heavy-duty drag chain conveyor Troughed belt conveyor Cleated belt conveyor En masse conveyor Bucket elevator Vibrating conveyor General features High volume • • • • • • • • • Medium volume • • • • • • • • • • • • Low volume • • • • Variable conveying rate • • • • • Low maintenance • • • • • • • • Low installation costs • • High installation costs • • • • • • • • • Low energy consumption • • • • • • High energy consumption • • 0 to 65 feet (0 to 20 meters) 1 1 1 • • • • • • • • 1 66 to 98 feet (20 to 30 meters) 1 1 1 • • • • • • • 1 1 98 to 394 feet (30 to 120 meters) 1 1 1 • 1 1 1 • • • 1 1 More than 394 feet (120 meters) 1 1 1 • 1 1 1 • • • 1 1 Functional features Totally enclosed • • • • • • • • • Multiple inlets • • • • • • • • • • Multiple outlets • • • • • • • • • • Multiplane path 2 2 • • • • 2 2 1 1 1 Can elevate • • • • • • • 3 • • • 3 Variable conveying rate • • • • • • • • • • • • Self-cleaning • • • • • • • • Dust-tight • • • • • • • • • Gentle action • • • • • • • • • • • Pressure-tight • • Self-feeding • • • • • • • Requires dust filtration • Bulk materials handled Sludge • • 5 • • • • Slurry 5 5 Moist • • 5 • • • • Dry • • • • • • • • • • • • Hot • • • • • • • • • • • Cold • • • • • • • • • • • • Hygroscopic 5 • 4 • 5 • • Maintains blend • • • • • • • • • *Courtesy Spiroflow Systems, Monroe, NC.

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