KHIA headerKnow-How in Action

VOL XXII, NO 105

Belzona® Emergency Reclamation Of Refiner

 
 

Industry:

Pulp & Paper (PLPR)

 
 

Application:

Positive Displacement Pumps (PDP)

 
 

Customer Location:

Paper mill, United Kingdom

 
 

Application Date:

August 2000.

 
 

Application Situation:

Disc refiner

 
 

Problem:

Severe erosion in the refiner body and the end cover/door led to several holes necessitating repair

 
 

Products:

Belzona® 1311 (Ceramic R Metal)
Belzona® 1321 (Ceramic S Metal)
 

Substrate:

Cast Iron

 
 

Application Method:

The original application was carried out in accordance with Belzona Know-How System Leaflet PDP-6.

 
 

Belzona Facts:

In 2004 the refiner was inspected and a further coat of Belzona® 1321 was applied. Now in December 2007 it has been checked again and found still to be in excellent condition.

 
 

Photographs Description

  1. Refiner case prior to the application in 2000
  2. The August 2000 rebuild and coating
  3. After seven years and one intermediate coating, still in excellent condition. The repair area was between the top two bolt holes
  4. Close-up after application of another coat of Belzona® 1321
 
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