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Powder transfer to silos with Flexicon Bulk Bag Discharging System

20 January 2012

The new Bulk Bag Discharger from powder and bulk solids handling specialists, Flexicon Europe, has an integral pneumatic conveying system and has been specially designed for the stockpiling of bulk flakes, granules and powders in storage silos, where, alongside production lines, delivery by rail or truck is problematic.

The new totally sealed system from Flexicon helps to maintain a clean and safe working environment by preventng leakage of material.

A cantilever I-beam with electric hoist and trolley automatically lifts and positions each bulk bag directly over a collection hopper, a Spout-Lock® clamp ring providing the high-integrity seal between the clean side of the bag spout and the clean side of the equipment to eliminate escape of materials and any associated dust particles.

The transfer station also features the Flexicon Tele-Tube®, a telescoping tube that maintains constant downward pressure on the clamp ring and bag spout, elongating the bag as it empties. Material flow is further aided by Flow-Flexer® bag activators that raise and lower opposite bottom sides of the bag in timed intervals to ensure complete discharge of the materials into a surge hopper.

The surge hopper is equipped with a high capacity rotary airlock valve to feed material into the pneumatic conveying line leading from a positive displacement blower at high rates. The advantage of Flexicon’s pneumatic conveying system is that it creates a positive pressure in the line to facilitate easier transfer to the bulk storage silos.

A further refinement is the additional Bag-Vac® dust collector, integral to the dust-tight system it creates a negative pressure to collapse empty bags prior to retying and disconnection, eliminating potential for dust to be emitted during manual flattening of empty bags.

The company also manufactures bulk bag dischargers as stand-alone units or systems integrated with mechanical or pneumatic conveying systems, weigh batching controls, bulk bag conditioners providing highly efficient bulk handling systems. Flexicon also provides full test facilities to trial customer’s actual materials.

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