Gas Turbine Compressor Washing State of the Art: Field Experiences1

Author:

Stalder J.-P.1

Affiliation:

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

Abstract

Technology development in gas turbine compressor washing over the last 10 years and today’s state of the art technology is presented in this paper. Based on various long term field tests and observations, correlation between rate of power degradation and atmospheric conditions can be established. Questions about compressor on line washing with water alone against the use of detergents, as well as washing frequencies are also addressed in this paper. Performance degradation behavior between gas turbines of different sizes and models can be explained with an index of sensitivity to fouling. The implementation of an optimized regime of on line and off line washing in the preventive turbine maintenance program is important. It will improve the plant profitability by reducing the costs of energy production and contribute to a cleaner environment.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Reference19 articles.

1. Hoeft, R. F., 1993, “Heavy Duty Gas Turbine Operating and Maintenance Considerations,” GER-3620B, GE I&PS.

2. 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.

3. Diakunchak, I. S., 1991, “Performance Deterioration in Industrial Gas Turbines,” ASME Paper No. 91-GT-228.

4. 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.

5. 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.

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