Metso Fly Ash Pump

KHIA ID: 9195

Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Carbon steel

Customer Location: Scotland
Application Date: March 2012

Products: Belzona 1121 (Super XL-Metal), Belzona 1812 (Ceramic Carbide FP)

Problem: A pump used to transport fly ash was suffering severe erosion & corrosion in service. Due to the harsh conditions pump parts had to be replaced every 6 months.

Damaged parts after service

Rebuilding of casing

Impeller rebuild & lining

The lining condition after 18 months of service

Application Situation

The original parts were only lasting 6 months. Using Belzona linings took the in service time to over 18 months. These parts could then be relined & put back into service instead of being scrapped.

Application Method

The pump impeller & casing were first grit blasted & then rebuilt using Belzona 1121. 3-6mm of Belzona 1812 was then applied to provide abrasion resistance.

Belzona Facts

The cost of a new slurry pump was over £12,000, the Belzona repair & lining was carried out for approximately £7,000.

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