... process, the pill is expected of the circulatory system (pill sand separator, bucket elevator, screw conveyor ... system This system can be divided into the Abrasive recycling system and purify System, they consist of abrasive hopper, Abrasive conduit, shot valves (Blast wheel ... Assemblies), screw conveyors, bucket Elevator, abrasive /dust and separator, etc. Dust-removing system This system ...