Cupola furnace waste heat utilisation

The need to cool cupola off-gases before they enter the bag filter leads to the possibility of attaching to a secondary user and applying waste heat utilisation. The secondary user may be e.g.  

Recovery of waste heat, which otherwise would be lost to the outside, allowing a reduction in fuel (or other sources of energy) consumption. 

The two example plants deseribed in Section 4.5.2.2, are equipped with a waste heat utilisation system. Plant data have been given in Table 4.37. 

This technique applies to new installations and should be taken into account when designing the process. For existing plants, the technique can be applied during major refurbishment of the plant, however, small add-on units can generally be accomodated in existing plants. 

The stated examples were installed as part of a major rebuilding of the considered installation. It 

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