KHIA headerKnow-How in Action

VOL XXV, NO 100

Four Large Condensers Protected With Belzona

 
 

Industry:

Power (POWR)

 
 

Application:

Heat Exchangers (HEX)

 
 

Customer Location:

Nuclear power plant, Jaslovské Bohunice, Slovakia

 
 

Application Date:

July-September, 2007 & June-Sptember, 2008

 
 

Application Situation:

4 main condensers at Nuclear power plant. A single heat exchanger has 36.784 tubes.

 
 

Problem:

The client wanted to protect new tube sheets against bimetallic corrosion and tubes against corrosion/erosion. Also required to protect the condenser water boxes.

 
 

Products:

Belzona 1341 (Supermetalglide)

Belzona 5811 (Immersion Grade)

 

Substrate:

Steel

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets HEX-1, HEX-2 & HEX-3

 
 

Belzona Facts:

Each tube (diameter 22 mm) was protected with Belzona® 1341 up to 15 cm inside by special roller. Water boxes were sprayed with Belzona® 5811, whilst tubesheets were protected with Belzona® 1341. The job was done in 2 shifts (12 hours/shift) per day.

 
 

Photographs Description

  1. 1 condenser 4 boxes on one side
  2. Before reconstruction
  3. Test for the surface contamination
  4. Tubesheet and water boxes protected with Belzona
 
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