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12/29/2014 | 1 MINUTE READ

MATERIALS HANDLING: Sanitary Bulk-Bag Filler Detects Metal

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Stainless construction with load cells for filling by weight.


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Flexicon Corp., Bethlehem, Pa., has introduced a stainless-steel, sanitary bulk-bag filler that detects and separates metal as it fills bulk bags by weight, dust-free. The filler frame is a patented Twin-Centerpost design that reportedly maximizes strength, reduces cost, and improves accessibility to bag hooks.

It is equipped with an integral metal detector/separator that senses metal in the free-falling stream of material entering the filler, then ejects it through a chute that discharges into a removable drum at the rear of the unit.

The filler also incorporates fill-head height adjustment to accept all popular bag sizes; an inflatable cuff for a high-integrity seal to the bag inlet spout; a blower to remove bag creases prior to filling; load cells for filling by weight; a vent port for dust-free air displacement during filling; pneumatically retractable bag hooks; and an automated vibratory deaeration/densification system to maximize capacity and stabilize the bag for storage and shipment.

Flexicon says this is the first bulk-bag filler to receive USDA acceptance. It is constructed of 316 stainless steel, finished to sanitary standards, and configured with full-length forklifting tubes allowing it to be moved throughout the plant.

It can be integrated with optional conveyor feed systems such as Flexicon flexible screw conveyors, Flexi-Disc tubular cable conveyors, and Pneumatic-Con dilute-phase pneumatic conveying systems, as well as existing plant conveyors or overhead storage vessels.

Once the operator connects an empty bag and presses "start," weigh-filling functions are automatic; the controller runs the conveyor (or rotary valve) at high feed rate, actuates the vibratory deaeration/densification system, steps down the conveyor (or rotary valve) to dribble feed rate immediately prior to stopping it once the accurate fill weight is gained, and then releases the bag straps. The filled bag is then removed by forklift and the operator is clear to connect the next bulk bag.


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