KHIA headerKnow-How in Action

VOL XXIV, NO 26

Belzona® Repairs Injection Pipes In Fgd Unit

 
 

Industry:

Power (POWR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Power Station, Thailand

 
 

Application Date:

November 2005 & 2007

 
 

Application Situation:

Lime Slurry Injection pipeline within the wet FGD scrubber

 
 

Problem:

Limestone slurry is injected through the nozzles. This falls on the GRP pipeline connecting the nozzles causing holes

 
 

Products:

Belzona® 1391 (Ceramic HT)

Belzona® 1812 (Ceramic Carbide FP)

 

Substrate:

Glass Reinforced Plastic

 
 

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.

 
 

Photographs Description

  1. Typical damage to the pipework
  2. Surface preparationbeing carried out
  3. Application being carried out
  4. Completed application
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com