Compressor Performance Recovery

Corroded overhung compressor

Impeller 3D reconstruction

Flow rate recirculation

LocationItaly

ApplicationSulfuric Acid Production

Compressor TypeOverhung Centrifugal Compressor

ServiceCombustion Air

Power2.6 MW

Challenge

Performance loss (efficiency and flow rate) caused by increased clearance between impeller and casing due to corrosion

Solution

Labyrinth seal insertion
Clearance reduction

Result

+6% Volume flow rate, +1% efficiency

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