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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Publication Date: 03/2000
Pages: 7
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Safely handling your powder with a closed-loop pneumatic conveying system

Although users have found ways to apply pneumatic conveying in many industries over the years, some applications have presented problems. One example is pneumatically conveying a combustible or explosive powder. This article explores how you can select components for a closed-loop pneumatic conveying system that can safely handle such a powder in your plant.

A combustible fine powder that's suspended in air can create an explosive mixture. Such powders -- including many dusts -- are extremely common. Examples are starch, polyethylene powder, and grain dust, as well as the dry dust of virtually any organic material. If a spark or other ignition source is present, the mixture can explode. The result? Damaged equipment, halted production, and, even worse, injuries to your workers.

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