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Bulk material blending system.

This fully automated, self-contained, bulk material mixing system blends a combination of five highly caustic, free-flowing powdered additives with a sluggish flowing, high-dusting base ingredient. The base ingredient is automatically introduced into the system from a single, 64 cubic-foot surge hopper that feeds either of two horizontal screw conveyors; depending on the blend recipe and the material requirements of downstream packaging operations. The caustic, free flowing additives; previously manually added to the process, are input to the system using five, NBE Lift-and-Seal[TM] drum dumper units. Each NBE drum dumper unit has an automatic centering system to ensure a precise seal of the drum to the dumper unit's custom-designed discharge hood. A 750 lb.-capacity, hydraulic carriage lifts the drum up 14 feet to the discharge point and rotates the drum 180 degrees for a precise, dustfree seal of the 304-2b stainless steel discharge hood to the receiving surge hopper. A pneumatically actuated slide gate valve controls material discharge from the drum into the hopper to ensure uninterrupted supply to the volumetric feeder. Automated controlling of the volumetric feeder's variable frequency drive gearmotor and pneumatically actuated diverter valve ensures properly blended material is supplied at the correct volume to the specified downstream packaging operation.

National Bulk Equipment, Inc.

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Title Annotation:INDUSTRY TARGET
Publication:Food Manufacturing
Date:May 1, 2015
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