No Cost Solution for Wood Chip Handling, 20PEERS Conference

At the Boise Cascade Mill in Wallula, WA, a 500 HP blowline was being used to elevate screened wood chips to the digester.  The problem:  the blowline badly damaged the chips en route, reducing many of them to pins and fines, lowering the pulp yield and the digester’s uptime when pins bridged at the transfers.   

Boise Cascade’s attention was drawn to the claim that sandwich belt high angle conveyors are very gentle on the conveyed material.  We documented tests demonstrating that conveying the most sensitive grains along the sandwich belt resulted in no damage of any kind.  Such tests were repeated with wood chips and the results were the same, no damage.   

TAPPI conference proceedings and presentations, technical papers, and publication articles provide technical and management data and solutions on topics covering the Pulp, Paper, Tissue, Corrugated Packaging, Flexible Packaging, Nanotechnology and Converting Industries.

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