BELZONA REPAIRS INJECTION PIPES IN FGD UNIT

KHIA ID: 1093
Industry: Power (POWR)
Application: VPF-Valves, Pipes and Fittings (VPF)
Substrate: Glass Reinforced Plastic
Customer Location: Power Station, Thailand
Application Date: November 2005 & 2007
Products:

Belzona® 1391 (Ceramic HT)

Belzona® 1812 (Ceramic Carbide FP)

Problem: Limestone slurry is injected through the nozzles. This falls on the GRP pipeline connecting the nozzles causing holes
Photograph Descriptions
  1. Typical damage to the pipework
  2. Surface preparationbeing carried out
  3. Application being carried out
  4. Completed application
Application Situation
Lime Slurry Injection pipeline within the wet FGD scrubber
Application Method
Application carried out in accordance with Belzona Know-How System Leaflet VPF-11a. Belzona® 1812 used to repair holes then overcoated with Belzona® 1391
Belzona Facts
Originally Belzona® 1311 used to repair pipes but after 2 years Belzona® 1391 worn away and part of the Belzona® 1311 exposed. Redone with Belzona® 1812. This system performed significantly better and after 2 years was reported to be more than 80% intact.
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