Vacuum cleaner for blasting abrasive
Protech S.r.l.

This type of machine works in a strong depression, created by a completely soundproof vacuum pump1 with high efficiency, permitting in this way the aspiration through a flexible pipe 2 linked at one extremity to a suction rose 3 The sucked abrasive enters into the two-stages cyclone 4 placed over the silos 5 and stores itself in the below silos with a spiral movement towards the low , meanwhile dust is removed and falls down in a recovery can placed under the dry filter 6 that is placed near the soundproof group 1.
A control device 9 signals possible breakings of cartridge, in order to avoid the entry of the dust inside the pump.
Filter 6 is able to restrain the flour , while emitting clean air to the vacuum pump.. This filter is provided with filtering cartridges that are automatically cleaned during the work and at the stopping of the motor of the vacuum pump.
Inside the silos, placed in suitable position, there is a level capacity feeler 8 that stops the pump motor, when the recovered abrasive reaches to the maximum level. This type of group is provided complete with electric board 7, electric connections , security valves, manometers, and everything is necessary to get ready for the utilization.