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