KHIA headerKnow-How in Action

VOL XXIII, NO 76

Belzona® Protects Pipe Elbows From Abrasion

 
 

Industry:

Mining and Quarrying (MINQ)

 
 

Application:

Solids Handling Machinery (SHM)

 
 

Customer Location:

Copper and Gold Mining Operator, Bulgaria

 
 

Application Date:

March - June 2009

 
 

Application Situation:

6 and 4 inch (150 mm and 100 mm) diameter back-fill pipe elbows with  different curves (11, 45 and 60 degree).

 
 

Problem:

Severe abrasion damage on inside surfaces of the pipe elbows.

 
 

Products:

Belzona® 1811 (Ceramic Carbide)Belzona® 1812 (Ceramic Carbide FP)

 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet SHM-8. Belzona® 1811/1812 have been used to protect elbows from further abrasion attacks. Application was either internal coating (for 6 inch diameter) with Belzona® 1812 or external bonding of metal doubler plates (for 4 inch diameter) with Belzona® 1811.

 
 

Belzona Facts:

Previously customer had to replace non-protected elbows every three-five days or to use expensive but unsuccessful welding. Pipe elbows have been and continue to be protected with Belzona, increasing the working live to more than a month. As a result the customer saved money on replacement costs.

 
 

Photographs Description

Abrasion damage clearly viewable after blastingApplication of internal protective coatingExternal bonding of metal doubler platesFinished protected pipe elbow

 
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