System Assessments

Thought Leaders on System Optimization Past & Future

Edited by Troy Dreier, Senior Editor, Compressed Air Best Practices® Magazine

We asked a hand-selected list of original equipment manufacturers, independent compressed air system sales and service companies, manufacturing plants and independent system auditors to share their thoughts, highlighting the changes they’ve seen over the past 20 years, then predicting what the next 20 years will bring.

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A View From Canada: Tembec Sawmill and Pneu-Logic Stabilize Pressure

By Rod Smith, Compressed Air Best Practices®

Pneumatic air cylinders play a major role in allowing a modern sawmill to produce at the high-speed production rates required. Stable air pressure is critical to allow the air cylinders to respond in a timely manner and avoid any production delays.

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Three Energy Efficiency Measures for a Pulp & Paper Mill

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

Recently, this major pulp & paper mill made compressed air optimization a mill-wide priority. At the request of the utility company providing energy to the mill, Compression Energy Services performed a comprehensive energy analysis that outlined the following four energy efficiency measures (EEM’s) for the mill to consider.

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New AODD Pump Controls Reduce Compressed Air Consumption

By Mark McCourt and Dean Thornberry, IDEX AODD

Air-operated double-diaphragm (AODD) pumps are known for their positive attributes of handling fluids that are heavily laden with solids, abrasive materials, shear sensitive liquids (paints and coatings) and the ability to pump soft solids without damaging the product. They are also popular because they are lightweight, portable and easy to use due to their pneumatic power.

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Honda of America Mfg. Fine Tunes Compressed Air System

By Rod Smith, Compressed Air Best Practices®

“We are close to becoming a zero-landfill facility. Zero-waste is the goal,” Mike explained. Company literature on the Green Factory initiative, coordinated in North America by Karen Heyob, Associate Chief Engineer for Honda of America Mfg., Inc. , says the initiative is designed to reduce the impact of Honda’s manufacturing operations on the environment. This includes efforts to reduce the energy intensity of production, as well as initiatives to reduce waste generation, air emissions, and water use at all of the company’s manufacturing facilities in North America.

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A View From Europe. Challenge Convention: Compressor Management Systems Applied in the Automotive Industry

By Nicolas De Deken, EnergAir

“First there are the old conventions. The majority of compressor houses still employ fixed speed compressors and a cascaded pressure switch control system. This arrangement will be familiar to many, but it is outdated and inefficient, and needs to be changed. There is a comfort factor with familiar technology, which is exacerbated by constant time pressure due to other day-today responsibilities and a lack of information and good advice on what can be achieved.”

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Tier 1 Automotive Plant Saves $218,000 in Energy Costs

By Hank Van Ormer, Air Power USA

A Tier 1 automotive plant was spending \$364,259 annually on electricity to operate their compressed air system. This figure was expected to increase as electric rates were forecasted to rise from their current average of 7.16 cents per kWh. Our firm, Air Power USA, conducted a full supply and demand-side compressed air system assessment. The set of projects recommended by the assessment, would reduce these energy costs by \$218,670 or 60%.

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VSD Compressor Control

By Ron Marshall for the Compressed Air Challenge©, Edits by Bill Scales

“Compressed air systems with multiple compressors operating to supply demand requirements present unique challenges in compressed air system control schemes.”

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Saving Energy in Automotive Assembly

By Jim Timmersman

This automotive assembly facility has tremendous peaks and valleys in compressed air demand. Our audit using flow meters and pressure transducers with calibrated gauges has proven this. Our Phase 1 audit recommends the use of storage tanks and flow meters to reduce air consumption while stabilizing pressure.

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Advanced Air Leak Detection Services

By Ed Attanasio

“Instead of adding supply equipment, we fix air leaks and incorporate high-efficiency air nozzles, blower packages and point-of-use receivers.” These demand-side actions stabilize compressed air system pressure and this ultimately increases production output, reduces production down-time and spoilage costs, and decreases the power costs of the compressed air system.

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A View From Southeast Asia. A Pharmaceutical System Assessment

By JoGar Energy & Utility Services

We conducted a comprehensive compressed air system assessment. Opportunities to improve the system were found in the main piping system, in reducing pressure losses in the mold machine piping, and with the high ambient temperatures found in the compressor room. We estimated energy savings of 403,500 kWh per year for a power savings of \$65,000 per year. The total projects costs were \$48,000 for a simple ROI of nine (9) months.

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