Industrial Utility Efficiency

Compressor Controls

Hitting the Gas on Efficient Compressed Air Delivery at Hitachi Astemo

By Compressed Air Best Practices® Magazine

Hitachi Astemo’s efficiency gains will turn into significant cost savings. In this article we outline the savings reported by the client since the changeover was complete. It shows a sizeable reduction in energy costs, air compressor energy costs and maintenance costs to the tune of 21.95%, 24.14% and 24.14%, respectively. Total operating costs to date have dropped from \$1,277,394 to \$941,959 with the new system a decrease of 26.25%.

Read Full Story

Compressed Air Controls

Excerpted and submitted by Ron Marshall and Bill Scales for the Compressed Air Challenge®

Compressed air system controls match the compressed air supply with system demand and are one of the most important determinants of overall system energy efficiency. This article discusses both individual compressor control and overall system control of plants with multiple compressors. Proper control is essential to efficient system operation and high performance.  
[ Read Full Story ]

Demand Versus Supply, Parts l and ll

By Scot Foss, Air’s a Gas Inc.

The purpose of this article is to investigate the cause and effect that can occur when you reduce demand with no supply changes and the alternative which will produce positive, long term results which you can take to the bank.
[ Read Full Story ]

Compressor Sequencer Problems and Solutions

Tim Dugan, P.E., President, Compression Engineering Corporation

The goals of this article are to show why sequencers often have problems, and to demonstrate how avoid problems by proper system integration and controls design.
[ Read Full Story ]

Starting a Long Distance Relationship with Your Compressed Air System

By: James Green, Product Marketing Manager and Jay Johnson, Portfolio Manager for Controls & Automation , Ingersoll Rand Industrial Technologies

When was the last time you visited your compressor room? A week ago? Several weeks ago? If you are like many, you went in for the last scheduled maintenance interval and have rarely been back since. Air compressors, dryers and other air system components have become more reliable and self sustaining from a maintenance standpoint with each generation, requiring less and less human intervention.
[ Read Full Story ]

Mattei Dresses Up a Textile Compressed Air System

By Compressed Air Best Practices®

This textile plant uses compressed air in their knitting, sewing, and dye house operations and needed a system designed for the significant fluctuations in demand. Compressed air demand profiles were placed into four segments; 1st shift peak demand and minimum demand, and 2nd shift peak demand and minimum demand.
[ Read Full Story ]

Control Systems for Small and Medium-Sized Air Compressors

By Bob Foege, Standard Pneumatic Products

In today’s world, where “green” is “gold”, the efficient operation of multiple air compressors has taken on a new sense of urgency. In an era where giant manufacturing campuses with huge compressed air systems are fast disappearing, the emphasis shifts now to improving the efficiency of the higher numbers of installed small and medium size air compressors.
[ Read Full Story ]

Grimmway Farms Implements System Automation

Patricia Boyd, Ecos Air

This article presents a case study of Grimmway Farms; a carrot growing and packing firm located in California’s Central Valley that was able to improve its compressed air system efficiency after implementing system automation and making relatively small equipment and piping changes.
[ Read Full Story ]