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Energy efficiency in pneumatic conveying: performance analysis of an alternative blow tank

Abstract This work presents the experimental characterization of a novel industrial bulk solids feeder, named Batchpump, and aims to validate the performance in terms of transport capacity and compressed gas consumption of an unconventional compact pressure vessel, used as a feeding device for dense phase pneumatic conveying. Experimental test data was collected for limestone as the conveyed material. The developed device was shown to have similar performance parameters (transport rate and gas consumption) when compared to conventional versions of blow tanks operating at 4 bar pressure and conveying powder material at about 9 t/h rate, albeit the smaller dimensions and simplification in operation, resulting in significative advantages in retrofits and in the implement a new conveyor line.