Industrial Utility Efficiency    

Magazine

July 2015 Edition

July 2015 Edition

Featured Articles

Frozen Food Plant Boosts Energy Efficiency of Compressed Air System

Part of a worldwide organization, a Calgary plant produces frozen-food products for large retailers throughout Canada. Don Dyck, from CAPS Inc., provides us with a case study of how this plant, which experienced compressed air quality issues, went from using three air compressors totaling 200 horsepower down to one 100 horsepower VSD unit. Reducing what he calls “ancillary demand” and changing piping, storage, and air treatment system components allowed this plant to realize $70,000 in annual energy savings while improving air quality and pressure reliability.

Read the full article here.

CAGI Section


CAGI Celebrates 100 Years of Service

The Compressed Air and Gas Institute (CAGI) is celebrating their 100-year anniversary this year. An association representing the manufacturers of compressed air system equipment, CAGI is receiving accolades for their work protecting the interests of compressed air system operators. A provider of unbiased technical information and technical standards, CAGI has many programs and tools in place helping ensure end users receive high quality products meeting rigorous quality and energy-efficiency performance standards.

Read the full article here.

How Inlet Conditions Impact Centrifugal Air Compressor Performance

Rick Stasyshan and Neil Breedlove, representing CAGI, provide us with a good technical article on how environmental condition can impact the performance of centrifugal air compressors. The environmental parameters reviewed are inlet temperature and pressure, relative humidity and cooling water temperature.

Read the full article here.

 


 

Improvements at Canada Bread Save 58% in Energy Costs

Canada Bread makes high quality bread and buns for the Winnipeg market. Having recently acquired the factory, Canada Bread decided to audit the compressed air system. Ron Marshall, on behalf of the Compressed Air Challenge®, details how this plant’s specific power, per 100 cfm of compressed air, was improved from 77 kW to the target of 20-25 kW. Two key system improvements involved modifying the bread-crumb blowing process and reducing the high leakage rates in the plant.

Read the full article here.

Five Demand-Side Projects at a Potato Chip Plant

Nitrogen generators ensure potato chip shelf life and quality. Hank van Ormer, from Air Power USA, provides us with an excellent article on five demand-side projects in a potato chip plant. One project upgraded the the plants original PSA nitrogen generation system to a newer PSA unit providing 98.7% nitrogen purity. In order to produce 1 cfm of nitrogen, the new PSA system required only 2.5 cfm of compressed air versus the 4.4 cfm of the older unit. This project alone produced a 4% reduction in air compressor total inlet power requirements.

Read the full article here.

Inlet Air Temperature Impacts on Air Compressor Performance

Last but not least, Tim Dugan from Compression Engineering Corporation, reviews how the type of air compressor and the compressor controls used will significantly affect the impact of inlet temperatures. He concludes with a recommendation saying factories considering inlet temperature and filtration improvement projects, should do so primarily from a maintenance and air/oil quality perspective – not for energy savings.

Read the full article here.

 

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