BELZONA PROTECTS EVAPORATOR TUBE SHEETS

KHIA ID: 185
Industry: Pulp & Paper (PLPR)
Application: HEX-Heat Exchangers (HEX)
Substrate: Stainless steel tubes and mild steel tube face.
Customer Location: Pulp and paper mill in British Columbia, Canada.
Application Date: December 1995
Products:

Belzona® 1391

Problem: Erosion/corrosion of the tube sheet due to hot caustic (black liquor at 185ºF) and galvanic corrosion due to dissimilar metals.
Photograph Descriptions
  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.
Application Situation
Evaporator tube sheet.
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.
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