KHIA headerKnow-How in Action

VOL XX, NO 46

Belzona® Keeps Cooling Water Pump Running

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Coal power plant in Macedonia

 
 

Application Date:

September 1999

 
 

Application Situation:

Two cooling water pump impellers

 
 

Problem:

Cavitation-erosion damage on the impellers

 
 

Products:

Belzona® 1311 (Ceramic R–Metal)

Belzona® 1321 (Ceramic S-Metal)

 

Substrate:

Stainless steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets CEP-5 and CEP-7.

 
 

Belzona Facts:

Cavitation reduces thickness of the blades, increasing risk of their breaking. Belzona® 1311 rebuild restored impellor profiles. After applying of Belzona® 1321, the power consumption decreased and the flow increased. Replacing the pump costs about 50.000,00 EUR and it takes 60 days. This application had been done twice on two impellers.

 
 

Photographs Description

  1. Eroded pump blades
  2. Filled pump blades with Belzona® 1311
  3. Finishing with Belzona® 1321
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 

 

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