Increasing the furnace efficiency

All measures that increase the thermal efficiency of the furnace will in turn lead to a lower CO2 output. A major improvement has been achieved by introducing oxygen instead of air as the combustion medium. This is discussed in Section 4.2.4.2. 

Further improvements of furnace yield can be obtained through tight control and optimisation of  

The optimisation results in lower amounts of dust and residues and in higher energetic efficiency. 

An optimisation programme on a 3 tonnes/h cast iron melting furnace suggested the following as good operational practice  

Using these measures, a metal efficiency (molten metal/charged metal) at 95 % could be maintained. 

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