Cold mechanical regeneration using an impact drum

5 Cold mechanical regeneration using an impact drum 

Internal re-use of core sand, therefore limiting the amount of material for disposal and the need for raw materials. 

The regeneration of sand requires additional energy, and causes additional dust emissions and residual dust for disposal. 

The regeneration drum has a batch wise regime, with a 20 minute treatment time for each 

5 tonne sand charge. The energy consumption of the full installation (including magnetic separation, exhaust treatment, sand transport) is 55 kWh/tonne of treated sand, of which 35 % may be attributed to sand transport and feeding. The installation uses compressed air at 48 NmVtonne sand. 

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