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Gas Turbine Power Plants

Gas Turbine Power Plants



The massive amount of air that turbines
require for operation can introduce airborne
contaminates causing a significant challenge
in keeping the engine, particularly the rotor/
turbine blades, in optimum operating condition. Proper inlet filtration is an important aspect in preventing decreased performance and even destruction of the gas turbine. Common consequences of inadequate inlet air filtration include:
 
Foreign Object Damage (FOD): Can cause
extensive damage to the compressor and later
parts in the air flow path.
 
 
Erosion: Can create stress concentrations that
reduce the fatigue strength, thus leading to
high cycle fatigue failures and reduction of
GT efficiency.
 
 
 
Fouling: Can result in clearance changes, disruption of rotating balance, obstruction and plugging of flow paths, and reduced smoothness of rotating and stationary blade surfaces.
 
Cooling Passage Plugging: Reduction/prevention of cooling efficiency leading to over-heating and failure.
Particle Fusion: Can change turbine blade profile or block cooling passages and lead to thermal fatigue.
Corrosion (cold and/or hot): Can result in the reduction of cross-sectional properties (cold) and/or oxidization of/on turbine blades, combustor liners, nozzles and transition pieces.
 

Air Filters from AFNW...

prevent FODs by keeping large particles from entering the fan or compressor section of the turbine
block sand and other small, hard particles from entering the air flow thus preventing erosion
reduce fouling through proper filtration of submicron particles
prevent plugging of cooling passages
avert particle fusion
help prevent corrosion
Request Quote for Filtration Solutions







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