BELZONA REPAIRS INJECTION PIPES IN FGD UNIT
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
- Typical damage to the pipework
- Surface preparationbeing carried out
- Application being carried out
- 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.
