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VOL XII, NO 13

Belzona® Protects Evaporator Tube Sheets

 
 

Industry:

Pulp & Paper (PLPR)

 
 

Application:

Heat Exchangers (HEX)

 
 

Customer Location:

Pulp and paper mill in British Columbia, Canada.

 
 

Application Date:

December 1995

 
 

Application Situation:

Evaporator tube sheet.

 
 

Problem:

Erosion/corrosion of the tube sheet due to hot caustic (black liquor at 185ºF) and galvanic corrosion due to dissimilar metals.

 
 

Products:

Belzona® 1391

 

Substrate:

Stainless steel tubes and mild steel tube face.

 
 

Application Method:

The application was carried out in accordance with a modified version of Belzona Know-How Leaflet HEX-1.

 
 

Belzona Facts:

Belzona has been protecting evaporator tube sheets at this mill for several years. Erosion/corrosion is retarded. The life cycle of the equipment is extended and overall maintenance costs reduced.

 
 

Photographs Description

  1. Inspection of previous coating shows degradation.  
  2. One year of Belzona® 1391 coating exhibits no signs of degredation.  
  3. Close-up view. Substrate is protected with Belzona® 1391.
 
 
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For more information about Belzona visit: www.belzona.com