Belzona® Repairs Oil Coolers

Industry:

Steel (STEL)

Application:

Heat Exchangers (HEX)

Customer Location:

Ferronickel plant, Macedonia

Application Date:

August 2012

Application Situation:

Four Heat exchangers for cooling mill oil.

Problem:

Heat exchangers were suffering from electrochemical corrosion. Gaps occured between tube sheet and tubes and cooling water and oil started to mix.

Products:

Belzona 1311 (Ceramic R Metal)

Belzona 1391 (Ceramic HT)

Substrate:

Brass, copper and gray iron.

Application Method:

Application was carried out in accordance with Belzona Know-How System leaflets HEX-1 and HEX-3.

Belzona Facts:

The customer first tried to weld the tubesheets, but was not successful. After completing repairs with Belzona the customer was very satisfied and this year a further cooler has been repaired.

Photographs Description

1. Heat exchanger ready for grit blasting
2. The condition of end cover after  blasting
3. End cover reapaired with Belzona 1311 and protected with Belzona 1391 
4. Tube sheet repaired and protected