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Article | May 4, 2011
National Bulk Equipment, Inc: Bulk-bag unloader with integrated material conditioning
National Bulk Equipment’s automated bulk bag unloader system uses a fully integrated, 4-stage material conditioning sequence to prepare an extremely agglomerated, rock-like material for supply to a downstream liquification process.
The dual, opposing bag hoist design enables high-volume input of material to the first conditioning stage where 2 hydraulic de-blocking rams each deliver 28,000 lbs. of direct material force. Next, dual hydraulic massage paddles, each with 2,200 lbs. of paddle pressure, further reduce material to chunk sizes. A bag spout valve, with 1,000 lbs. of material break-up force, and capable of breaking up a static column of material, then reduces the material for supply to the final stage where a high-capacity, size-reduction crumbler breaks material into ¼-in. pieces for conveying downstream. Integrated automation engineering centralized communication eliminates potentially dangerous manual material conditioning measures.
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