Industrial Utility Efficiency    


September 2017 Edition

September 2017 Edition

Featured Articles

Aeration Blower Systems

Aeration Blower Control Efficiency

By Tom Jenkins, JenTech Inc.

Blower manufacturers are the source for the most accurate information on aeration blower power consumption. This includes the impact of various control technologies on the many types of blowers used for aeration. However, system designers often need to analyze several alternatives, making reliance on input from suppliers inconvenient. An understanding of the principles of operation will also enhance the designer’s ability to assess the data received from various sources.

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Industrial Vacuum & Blower Systems

Danish Furniture Producer Kvist Switches Plants to Centralized Vacuum Systems

By Uli Merkle, Busch Vacuum Pumps and Systems

A centralized vacuum system with three Mink claw vacuum pumps is used in each of the two Danish plants to generate the vacuum required for clamping. Both central vacuum system units have been in operation since July 2015 when they replaced the previously used dry-running rotary vane and liquid ring vacuum pumps. The rotary vane vacuum pumps required a lot of maintenance due to wear on the vanes. In addition, this vacuum generator gave off waste-heat directly into the production room. Its loud operating noise was also extremely uncomfortable for the employees. The water level of the liquid ring vacuum pumps had to be monitored constantly, and refilled or exchanged if the water became polluted with wood dust.

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Custom Blower and Air Knife Bin Drying Solution Reduces Packager Labor Hours

By Kacie Goff, JetAir Technologies

At Scholle IPN, Valley Packline’s engineering experience and JetAir’s drying expertise came together to deliver an automated, energy efficient solution. Ultimately, the new system eliminated 120 man-hours each week dedicated entirely to erecting and washing. The new system can be manned by just one employee as it pulls bins directly off delivery trucks, re-erects, washes, and dries them, and feeds them into the facility for refilling. Throughput at Scholle was improved by the system, while energy costs were kept to a minimum.

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Beware Dense Phase Pneumatic Conveying Running as a Dilute Phase System

By Hank van Ormer, Van Ormer Consulting

This article reviews two common pneumatic conveying system types and the importance for each operating plant to know their design and operating parameters particularly conveying air flow velocity and particle velocity profile.

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