Powder and Bulk Engineering
Monday, September 01, 2014
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Pneumatic Points to Ponder
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Publication Date: 11/1995
Pages: 4
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Design criteria — Methods for separating the conveyed material from the air (gas)

Building on the information presented in his first and second series of columns, Paul E. Solt -- a private consultant with more than 38 years experience installing and troubleshooting pneumatic conveying systems -- presents a third series of columns discussing design criteria for a pneumatic conveying system. In a separate section, Solt also answers your pneumatic conveying questions.

In this eighth column, we'll look at methods for separating the conveyed material from the air in a pneumatic conveying system. The conveyed material's characteristics and the conveying system type will affect our separation choice. Obviously, a coarse material without any fines is easier to separate than a material containing 1-micron particles. And separation in a vacuum system using a positive displacement blower requires the air to be cleaned to protect the blower's mechanical components.

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