Compressed Air Best Practices - January 2009 - (Page 13) Focus Industry ENERGY REBATES | 01/09 | VSD Matches the Flow The new nitrogen system uses two 100-hp rotary screw air compressors on the front end that run at a lower pressure than the original system. One compressor uses variable speed drive technology, which allows the complete system to efficiently match the air demand of the membrane-type nitrogen generators. The other compressor, a fixed-speed unit, runs at full load at its best efficiency point and quickly unloads and turns off when demand drops off or a signal to shed load is received. The combined system gives the front end of the system the capability of automatically adjusting the output capacity to meet all levels of nitrogen generator demand, even as the nitrogen membrane bundles age. Membrane Conversion Loss The membrane nitrogen generators are set to maintain a purity of 98% or better and to produce about 11,600 cubic feet per hour (190 cfm) of Nitrogen. This output illustrates the typical conversion ratio of the membrane separation process at high purity levels, with the full load capacity of the front-end air compressors totaling 765 cfm. Rather than trying to push this full air output capacity to the 330 psi needed for optimum high- pressure nitrogen storage, the input air is produced at only 165 psi and the smaller flow of nitrogen at the output of the generator is fed into two small booster compressors that pump up the existing 30,000-gallon receiver tank to full pressure. Booster Compressors charge a large 30,000 storage tank to 330 psi 13 http://www.fscurtis.com http://www.fscurtis.com
Table of Contents Feed for the Digital Edition of Compressed Air Best Practices - January 2009 Compressed Air Best Practices - January 2009 Contents From the Editor Utility-Air News Compressed Air Audit of the Month: A Nitrogen Audit at Boeing Air Standards: New ASME & ISO Standards for Compressed Air System Assessments Energy Rebates Assist Industrial Sustainability Initiatives Seven Sustainability Projects for Industrial Energy Savings: Project #1: Lighting Optimization Minimum Supply Wire Size Recommendations for Compressor Packages Utilizing Variable Frequency Drives The Pneumatic Advantage: Pneumatics Bring Precision and Reliability to Furniture Industry Specialist Personal Productivity: Is Afternoon Fatigue Influencing Your Job Performance? The Explanation and Some Solutions. Resources for Energy Engineers: Training Calendar & Product Picks Wall Street Watch Advertiser Index Classifieds Compressed Air Best Practices - January 2009 Compressed Air Best Practices - January 2009 - Compressed Air Best Practices - January 2009 (Page Cover1) Compressed Air Best Practices - January 2009 - Compressed Air Best Practices - January 2009 (Page Cover2) Compressed Air Best Practices - January 2009 - Compressed Air Best Practices - January 2009 (Page 3) Compressed Air Best Practices - January 2009 - Contents (Page 4) Compressed Air Best Practices - January 2009 - Contents (Page 5) Compressed Air Best Practices - January 2009 - From the Editor (Page 6) Compressed Air Best Practices - January 2009 - Utility-Air News (Page 7) Compressed Air Best Practices - January 2009 - Utility-Air News (Page 8) Compressed Air Best Practices - January 2009 - Utility-Air News (Page 9) Compressed Air Best Practices - January 2009 - Compressed Air Audit of the Month: A Nitrogen Audit at Boeing (Page 10) Compressed Air Best Practices - January 2009 - Compressed Air Audit of the Month: A Nitrogen Audit at Boeing (Page 11) Compressed Air Best Practices - January 2009 - Compressed Air Audit of the Month: A Nitrogen Audit at Boeing (Page 12) Compressed Air Best Practices - January 2009 - Compressed Air Audit of the Month: A Nitrogen Audit at Boeing (Page 13) Compressed Air Best Practices - January 2009 - Compressed Air Audit of the Month: A Nitrogen Audit at Boeing (Page 14) Compressed Air Best Practices - January 2009 - Compressed Air Audit of the Month: A Nitrogen Audit at Boeing (Page 15) Compressed Air Best Practices - January 2009 - Air Standards: New ASME & ISO Standards for Compressed Air System Assessments (Page 16) Compressed Air Best Practices - January 2009 - Air Standards: New ASME & ISO Standards for Compressed Air System Assessments (Page 17) Compressed Air Best Practices - January 2009 - Air Standards: New ASME & ISO Standards for Compressed Air System Assessments (Page 18) Compressed Air Best Practices - January 2009 - Energy Rebates Assist Industrial Sustainability Initiatives (Page 19) Compressed Air Best Practices - January 2009 - Energy Rebates Assist Industrial Sustainability Initiatives (Page 20) Compressed Air Best Practices - January 2009 - Energy Rebates Assist Industrial Sustainability Initiatives (Page 21) Compressed Air Best Practices - January 2009 - Energy Rebates Assist Industrial Sustainability Initiatives (Page 22) Compressed Air Best Practices - January 2009 - Energy Rebates Assist Industrial Sustainability Initiatives (Page 23) Compressed Air Best Practices - January 2009 - Energy Rebates Assist Industrial Sustainability Initiatives (Page 24) Compressed Air Best Practices - January 2009 - Seven Sustainability Projects for Industrial Energy Savings: Project #1: Lighting Optimization (Page 25) Compressed Air Best Practices - January 2009 - Seven Sustainability Projects for Industrial Energy Savings: Project #1: Lighting Optimization (Page 26) Compressed Air Best Practices - January 2009 - Seven Sustainability Projects for Industrial Energy Savings: Project #1: Lighting Optimization (Page 27) Compressed Air Best Practices - January 2009 - Seven Sustainability Projects for Industrial Energy Savings: Project #1: Lighting Optimization (Page 28) Compressed Air Best Practices - January 2009 - Seven Sustainability Projects for Industrial Energy Savings: Project #1: Lighting Optimization (Page 29) Compressed Air Best Practices - January 2009 - Seven Sustainability Projects for Industrial Energy Savings: Project #1: Lighting Optimization (Page 30) Compressed Air Best Practices - January 2009 - Minimum Supply Wire Size Recommendations for Compressor Packages Utilizing Variable Frequency Drives (Page 31) Compressed Air Best Practices - January 2009 - Minimum Supply Wire Size Recommendations for Compressor Packages Utilizing Variable Frequency Drives (Page 32) Compressed Air Best Practices - January 2009 - Minimum Supply Wire Size Recommendations for Compressor Packages Utilizing Variable Frequency Drives (Page 33) Compressed Air Best Practices - January 2009 - Minimum Supply Wire Size Recommendations for Compressor Packages Utilizing Variable Frequency Drives (Page 34) Compressed Air Best Practices - January 2009 - The Pneumatic Advantage: Pneumatics Bring Precision and Reliability to Furniture Industry Specialist (Page 35) Compressed Air Best Practices - January 2009 - The Pneumatic Advantage: Pneumatics Bring Precision and Reliability to Furniture Industry Specialist (Page 36) Compressed Air Best Practices - January 2009 - The Pneumatic Advantage: Pneumatics Bring Precision and Reliability to Furniture Industry Specialist (Page 37) Compressed Air Best Practices - January 2009 - Personal Productivity: Is Afternoon Fatigue Influencing Your Job Performance? The Explanation and Some Solutions. (Page 38) Compressed Air Best Practices - January 2009 - Personal Productivity: Is Afternoon Fatigue Influencing Your Job Performance? The Explanation and Some Solutions. (Page 39) Compressed Air Best Practices - January 2009 - Personal Productivity: Is Afternoon Fatigue Influencing Your Job Performance? The Explanation and Some Solutions. (Page 40) Compressed Air Best Practices - January 2009 - Resources for Energy Engineers: Training Calendar & Product Picks (Page 41) Compressed Air Best Practices - January 2009 - Resources for Energy Engineers: Training Calendar & Product Picks (Page 42) Compressed Air Best Practices - January 2009 - Resources for Energy Engineers: Training Calendar & Product Picks (Page 43) Compressed Air Best Practices - January 2009 - Wall Street Watch (Page 44) Compressed Air Best Practices - January 2009 - Wall Street Watch (Page 45) Compressed Air Best Practices - January 2009 - Wall Street Watch (Page 46) Compressed Air Best Practices - January 2009 - Wall Street Watch (Page 47) Compressed Air Best Practices - January 2009 - Wall Street Watch (Page 48) Compressed Air Best Practices - January 2009 - Advertiser Index (Page 49) Compressed Air Best Practices - January 2009 - Classifieds (Page 50) Compressed Air Best Practices - January 2009 - Classifieds (Page Cover3) Compressed Air Best Practices - January 2009 - Classifieds (Page Cover4)
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