KHIA headerKnow-How in Action

VOL XXVIII, NO 89

Hydro Turbine Repaired And Protected With Belzona

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Power plant, Ukraine

 
 

Application Date:

January 2012

 
 

Application Situation:

Erosion-corrosion problems revealed during annual inspection

 
 

Problem:

Erosion-corrosion and cavitation of the fan blades and of the face of the hydro turbine due to pressure

 
 

Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1341 (Supermetalglide)

 

Substrate:

Cast iron

 
 

Application Method:

The application was carried out according to Belzona Know-How System Leaflets CEP-1 and FBC-2. Belzona 1311 was used to resurface the profile and Belzona 1341 was applied to improve efficiency and protect impeller from future erosion-corrosion

 
 

Belzona Facts:

The customer avoided replacement costs by using Belzona to repair the turbine and at the same time, reduced downtime. Belzona will protect the equipment from future erosion-corrosion.

 
 

Photographs Description

  1. General view of the impeller Surface preparation 
  2. Grit blasting of the turbine 
  3. Geometry of fan blades repaired using Belzona 1311 
  4. Repaired surfaces of the hydro turbine after the application of Belzona 1311 and Belzona 1341
 
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