COOLING TOWER FAN BLADES REPAIRED WITH BELZONA

KHIA ID: 7
Industry: Chemical & Petrochemical (PETR)
Application: HEX-Heat Exchangers (HEX)
Substrate: Fiberglass Reinforced Polyester
Customer Location: Refinery in Louisiana
Application Date: 1995
Products:

Belzona® 1321 (Ceramic S-Metal)


Problem: Light damage and erosion on the leading edge of the blades reduces the overall efficiency and operation of the cooling system.
Photograph Descriptions
  1. Surface preparation by grinding. 
  2. Taping off for a neat repair.  
  3. Finished repair. Leading edge protected with Belzona.
Application Situation
Fan blades of cooling tower - 14' long.
Application Method
The application was carried out in accordance with Belzona Know-How Leaflet HEX-10.
Belzona Facts
After 14 months, fiberglass blades on new units needed replacement at a cost of $125,000. Over two years later the Belzona repair is in excellent condition. The plant has saved over $200,000 in new blade replacement cost.