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VOL XXXIV, NO 77

Belzona Repairs A Chassis On An Air-Cooling System

 
 

Industry:

Power (POWR)

 
 

Application:

Fans, Blowers and Compressors (FBC)

 
 

Customer Location:

France

 
 

Application Date:

October 2011

 
 

Application Situation:

Chassis of a gear reducer on an air-cooling system in a nuclear power plant.

 
 

Problem:

The water circulating in this equipment was treated with CO2 and other additives against legionella causing an important problem of corrosion.

 
 

Products:

Belzona 5831 (ST-Barrier)

 

Substrate:

Carbon steel

 
 

Application Method:

Application was carried out in accordance with an adapted version of Belzona System Leaflet FBC-2. The substrate was first prepared with a needle gun and grit blasted.Then, one coat of Belzona 5831 was applied (600microns).

 
 

Belzona Facts:

Because of the corrosion, this chassis needed to be replaced using a 700 tonne crane which is not convenient, really expensive and causes an important loss of production. Belzona products were used in-situ and provided a long-term protection thus avoiding the replacement of the chassis.

 
 

Photographs Description

1- Before surface preparation

2- After surface preparation

3- Overview of the air-cooling equipment

4- Final application

 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
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For more information about Belzona visit: www.belzona.com