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Powder and Bulk Engineering
Monday, July 28, 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: 03/1993
Pages: 5
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PDF Format
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$7.50
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Noise treatment methods for rotary-lobe positive displacement vacuum pumps

Reducing noise from your pneumatic conveying system's rotary-lobe positive displacement vacuum pump will help you improve worker comfort, meet safety requirements, and extend equipment life. This article discusses general noise information, vacuum pump package noise sources, and noise treatment equipment, then explains how to apply noise treatment equipment and techniques and how to specify the equipment. The final section discusses how to evaluate the equipment's effectiveness.

A pneumatic conveying system that operates with minimal noise will help you maintain a quiet plant environment, which benefits workers as well as helps you meet current Occupational Safety and Health Administration requirements. Quiet operation can also reduce noise outside the plant to meet current Environmental Protection Agency and other local agency regulations. Low air pulse levels can also prolong equipment life and reduce the system's operating costs. But many pneumatic conveying systems use a rotary-lobe positive displacement vacuum pump, whose operation is noisy.

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