BELZONA REBUILDS AND PROTECTS TURBINE RUNNER
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Cast iron
Customer Location: Hydroelectric Plant, Jokkmokk, Sweden
Application Date: 2014
Products:
Belzona 1311 (Ceramic R-Metal)
Belzona 1321 (Ceramic S-Metal)
Problem: Constant use had damaged the vulnerable cast iron substrate of the impellers. The client needed a quick, long-term solution to avoid downtime to their plant.
Photograph Descriptions
- Turbine housing entrance
- Cavitation damage to the runner
- Close-up of the damage
- Completed application
Application Situation
Two impeller runner blades had suffered severe cavitation and erosion damage.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflets CEP-1 and CEP-3. Surfaces were grit blasted prior to rebuilding with Belzona 1311 to restore profiles and coating with Belzona 1321 to provide long-term protection.
Belzona Facts
The Belzona solution is cold-applied and simple to use, which meant that repairs and the application could be performed in-situ, avoiding costly disassembly work which would force a long downtime period. Force curing Belzona allowed the plant to return to operational status as quickly as possible, whilst the Belzona application offers a long-term, durable solution.
