Portable Conveyor for Transporting Bulk Materials

May 02, 2017
By Pharmaceutical Technology Editors
Volume 41, Issue 5, pg 12

The portable Flexible Screw Conveyor from Flexicon can be tilted and rolled to serve multiple functions. Using a manual jack screw, the support boom and conveyor can be raised for discharging into vessels or other process equipment. When fully lowered, the conveyor can be rolled through doorways as low as 2134 mm in height and aisles as narrow as 1067 mm. Sanitary features include a castor-mounted frame, support boom, and hopper grate constructed of 316 stainless steel, sanitary quick-release clean out cap, quick-disconnect discharge box access cover, stainless control panel with stainless conduit, and liquid-tight compression fittings, allowing wash down during changeovers or conveying of corrosive materials.

Human machine interface controls allow manual and automatic start/stop and speed adjustment of the conveyor. Material flows through the hopper into an adapter that charges the conveyor. As the flexible screw rotates in the material, it self-centers within the tube, providing clearance between the screw and the tube wall to minimize grinding. The flexible screw is top-driven beyond the point at which material exits the conveyor, preventing contact with bearings, or seals. The conveyor transports bulk materials from sub-micron powders to large pellets, while the rolling action of material prevents the separation of blends. The inner screw is the only moving part contacting material, resulting in reduced maintenance. 


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