4. Operation and maintenance

4.1 Monitoring and controls

Monitoring and controls can be summarized in 6 main phases; the lifespan of the furnace, which can reach 12 to 15 years, depends on the respect of these stages:

• daily monitoring of electricity consumption, particularly during the weekend;

• daily monitoring of the electrical power absorbed by the inductor and the oven;

• weekly maintenance of liquid metal inlet and outlet traps;

• weekly temperature checks on the furnace casing ;

• monthly cleaning of bath surface ;

• annual inspection of coating by infrared thermography.

Correlation...