Protection of Wastewater Centrifuge
The centrifuge was suffering from erosion-corrosion and scale buildup. They needed a product that would protect the equipment but also help reduce the buildup and improve the efficiency of the equipment.
CASE
Belzona Protects Propulsion Unit on Ferry
Problem
Erosion had worn through nozzle. Welding considered but high risk of distortion and expensive.
Industry
Marine
Application Date
2010
Location
Ferry / Canada
Equipment Application
SOS-Ships and Offshore Structures
Subtrate
Mild Steel
Product
Belzona 1311 (Ceramic R Metal)
Belzona 2141 (ACR Fluid Elastomer)
Repair Stages
Application Situation
Nozzle of drive unit eroded due to cavitation.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflets SOS-1 & 2. After grit blasting, Belzona 13Application was carried out in accordance with Belzona Know-How System Leaflets SOS-1 & 2. After grit blasting, Belzona 1311 was used to replace eroded metal. Belzona 2141 system was then applied to the nozzle extending the application over both the leading and trailing edges to give maximum protection.
Belzona Facts
Welding was an option but cost would have been $5500 and the distortion would have been a problem. Total cost using Belzona system was less than $3800 with no risk of distortion. In addition unit protected from future erosion corrosion.
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Other Cases
Bow Thruster Tunnel Repair
Deep pitting on the bow thruster tunnel due to cavitation.
Belzona Restores Japanese Aluminum End Covers
Severe erosion caused by a combination of corrosive environment and abrasion of a fanbelt.