Powder and Bulk Engineering
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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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Publication Date: 12/2004
Pages: 3
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Ultrasonic device deblinds screener

To prevent screen blinding problems in a metal powder screening operation, an R&D lab installs a single-deck round screener with an ultrasonic deblinding assembly.

Crucible Research, Pittsburgh, was experiencing problems screening a metal powder with a single-deck round screener. Screen blinding slowed the screener’s throughput rate and caused onsize particles to discharge with the oversize particles. When this occurred, an operator had to stop the screening operation and manually deblind the screen, then rescreen the oversize particles several times to recover the onsize particles. These tasks required extra labor and time, which increased the screening operation’s costs. The lab wanted to find a way to eliminate this inefficiency.

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