Powder and Bulk Engineering
Tuesday, September 02, 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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Publication Date: 12/1997
Pages: 4
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Preventing screen blinding and speeding your separation the ultrasonic way

The biggest problem in separating dry powders under 500 microns is screen blinding. A mechanical screener with conventional deblinding equipment reduces blinding by agitating the screen to abrade or knock out particles blocking the apertures. But the screener is subject to problems such as short screen life, high operating costs, and mechanical noise. This article discusses how an ultrasonic separator can increase your throughput while eliminating these problems.

An ultrasonic separator adds secondary ultrasonic vibration to the equipment's primary mechanical vibration to agitate the screen. Besides increasing your screening throughput, the unit can provide more consistent separation and prevent problems common to mechanical screeners with conventional deblinding equipment.

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