BELZONA REPAIRS AND PROTECTS TURBINE

KHIA ID: 5639
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Steel
Customer Location: Hydroelectric Plant, Honduras
Application Date: December 2004
Products:

Belzona 1111 (Super Metal)

Belzona 1321 (Ceramic S-Metal)

Belzona 9111 (Cleaner/Degreaser)


Problem: Damage on the 24 turbine blades due to erosion and corrosion. 70% of the blades had the same type of problem.
Photograph Descriptions
  1. Damage on the turbine blades
  2. Application of Belzona 1111
  3. Application of Belzona 1321
  4. Blades rebuilt and protected
Application Situation
Turbine Blades
Application Method
The surface preparation was carried out with mechanical tools, such as grinder, until the area was rough, clean and free from contamination. Belzona 9111 was applied to clean and decontaminate the area. The application was carried out in accordance with Belzona Know-How System Leaflet CEP-1. The application of Belzona 1111 was carried out in 2 hours on 24 blades. After the product cured, it was machined to give the final profiles to the blades. To protect the repair, Belzona 1321 was applied with a brush in a layer of 500 microns.
Belzona Facts
The repair took two days and the personnel at the Hydroelectric Plant gained knowledge of Belzona products and procedures.