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TECHNICAL PAPERS: Gas Turbines: Environmental and Regulatory Affairs

Gas Turbine Compressor Washing State of the Art: Field Experiences

[+] Author and Article Information
J.-P. Stalder

Turbotect Ltd., P. O. Box 1411 Ch-540 Baden, Switzerland

J. Eng. Gas Turbines Power 123(2), 363-370 (Nov 01, 2000) (8 pages) doi:10.1115/1.1361108 History: Received March 01, 1998; Revised November 01, 2000
Copyright © 2001 by ASME
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References

Hoeft, R. F., 1993, “Heavy Duty Gas Turbine Operating and Maintenance Considerations,” GER-3620B, GE I&PS.
Stalder, J. P., and van Oosten, P., 1994, “Compressor Washing Maintains Plant Performance and Reduces Cost of Energy Production,” ASME Paper No. 94-GT-436.
Diakunchak, I. S., 1991, “Performance Deterioration in Industrial Gas Turbines,” ASME Paper No. 91-GT-228.
Tarabrin, A. P., Schurovsky, V. A., Bodrov, A. I., and Stalder, J. P., “An Analysis of Axial Compressor Fouling and a Cleaning Method of their Blading,” ASME Paper No. 96-GT-363.
Aker, G. F., and Saravanamuttoo, H. I. H., 1988, “Predicting Gas Turbine Performance Deterioration Due to Compressor Fouling Using Computer Simulation Techniques,” ASME Paper No. 88-GT-206.
Bird, J., and Grabe, W., 1991, “Humidity Effects on Gas Turbine Performance,” ASME Paper No. 91-GT-329.
Haub, G. L., and Hauhe, W. E., Jr., 1990, “Field Evaluation of On Line Compressor Cleaning in Heavy Duty Industrial Gas Turbines,” ASME Paper No. 90-GT-107.
Jeffs,  E., 1992, “Compressor Washing On Line for Large Gas Turbine,” Turbomachinery International, 33, (6).
Kolkman, H. J., 1992, “Performance of Gas Turbine Compressor Cleaners,” ASME Paper No. 92-GT-360.
Kovacs,  P., and Stoff,  H., 1985, “Icing of Gas Turbine Compressors and Ways of Achieving Uninterrupted Operation,” Brown BoveriRev. 72, pp 172–177.
Lakshminarasimha, A. N., Boyce, M. P., and Meher-Homji, C. B., 1992, “Modelling and Analysis of Gas Turbine Performance Deterioration,” ASME Paper No. 92-GT-395.
Mezheritsky, A. D., and Sudarev, A. V., 1990, “The Mechanism of Fouling and the Cleaning Technique in Application to Flow Parts of the Power Generation Plant Compressors,” ASME Paper No. 90-GT-103.
Saravanamuttoo, H. I. H., and Lakshminarasimha, A. N., 1985, “A Preliminary Assessment of Compressor Fouling,” ASME Paper No. 85-GT-153.
Sedigh, F., and Saravanamuttoo, H. I. H., 1990, “A Proposed Method for Assessing the Susceptibility of Axial Compressors to Fouling,” ASME Paper No. 90-GT-348.
Stalder, J. P., 1992, “Professional System Approach to Compressor Cleaning, Case Studies,” GCC-CIGRE Paper, Third Annual Conference, Dubai, May 1992.
Thames, J. J., Stegmaier, J. W., and Ford, J. J., Jr., 1989, “On Line Compressor Washing Practices and Benefits,” ASME Paper No. 89-GT-91.
Ul Haq, I., and Saravanamuttoo, H. I. H., 1993, “Axial Compressor Fouling Evaluation at High Speed Settings Using an Aerothermodynamic Model,” ASME Paper No. 93-GT-407.
Ul Haq, I., and Saravanamuttoo, H. I. H., 1991, “Detection of Axial Compressor Fouling in High Ambient Temperature Conditions,” ASME Paper No. 91-GT-67.
Zaba, T., and Lombardi, P., 1984, “Experience in the Operation of Air Filters in Gas Turbine Installations,” ASME Paper No. 84-GT-39.

Figures

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Typical effect of on line and off line compressor wet cleaning
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Summarizes the pattern of the corrected power output for the complete test period
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Power losses vs. total absolute humidity for 14 comparative operating periods
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Psychrometric chart for air inlet saturating condition
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Material residual percent vs. temperature for water based product. Note that product “C” showed an oil film at 200°C. (WB: Water based cleaner; R-mix: Ready for use WB cleaner.)
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Comparison of cleaning efficiency. (WB: Water based cleaner; DI-water: Demineralized water.)
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Picture of a compressor which was washed on line every four days with detergent during approx. a one month continous operation period
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First stage guide vanes of the same compressor (pictured in 1/3 vane length from the tip and from the root), washed on line every four days with detergent during approx. a one month continous operation period
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On line injection nozzle (patented) allowing orientation and fine tuning of the spray in any direction

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