COOLING TOWER FAN BLADES REPAIRED WITH BELZONA PRODUCTS

KHIA ID: 1445
Industry: General Industry (GIND)
Application: FBC-Fans, Blowers and Compressors (FBC)
Substrate: GRP
Customer Location: Fertilizer Producer, Indonesia
Application Date: February 2010
Products:

Belzona® 1311 (Ceramic R Metal)

Belzona® 1321 (Ceramic S Metal)

Belzona® 5811 (Immersion Grade)

Problem: Erosion on leading edges, cracks and flaking on trailing edges of cooling tower fan blades caused by UV degradation, erosion and impingement. This reduces the overall efficiency and operation of the cooling system.
Photograph Descriptions
  1. Damage on leading edges
  2. Flaking on trailing edges
  3. Belzona application
  4. Completed blades after coating with Belzona® 1321 and Belzona® 5811
Application Situation
GRP fan blades from cooling tower
Application Method
The application was carried out in accordance with Belzona Know-How System Leaflet FBC-1. The Leading edges and trailing edges were  rebuilt with Belzona® 1311 and subsequently coated with Belzona® 1321. Blade body was coated using Belzona® 5811.
Belzona Facts
The Belzona refurbishment has avoided the high cost of blade replacement. Each cell contains six blades. The Belzona solution will provide the plant with long term protection of the blades.
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