The machine has the purpose of operating the cleaning of inert material from mud and clay attached thereto. 

This action takes place through a movement of two counterrotating impellers vane inside the tub.

The machine consists of a tub of thick steel plate with reinforcement ribs. 

Inside there are the two impellers with vanes melting manganese bolted, intersecting these working in motion and produce the advancement and the continuous mixing of the material.