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Powder and Bulk Engineering
Monday, September 01, 2014
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
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Item Details:
Publication Date: 03/2009
Pages: 4
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PDF Format
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$7.50
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Slow-motion conveying system rapidly delivers positive results

A synthetic-yarn manufacturer installs two new conveying systems to improve its resin pellet delivery operation.

Pharr Yarns, headquartered in McAdenville, N.C., operates several US production plants that produce high-performance synthetic fibers and yarns for use by fabric, clothing, carpet, and other textile companies. In 2006, the company commissioned a new plant in McAdenville to produce a range of synthetic yarns for carpet and rug manufacturing. To move 1/8-inch resin pellets from a large storage silo to a downstream extrusion process, the plant installed a high-pressure dense-phase pulse-conveying system. However, the dense-phase system’s substantial air requirements led to high operating costs, and its high conveying velocity damaged the pellets, creating fines that increased maintenance costs. When the plant expanded its production operation and needed to install two more conveying systems, it decided to look for a better way to deliver the pellets to the process.

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