AirSweep Pneumatic Flow Aid Unplugs Poorly Feeding Coal
Solution. The company installed two AirSweep VA-51 units on the feed chute leading to the hammer mill. Control Concepts agreed to a return of the product if the AirSweeps did not solve the problem blockage. Using plant air, the AirSweep units were set to fire a 0.25-second burst of air every 30 seconds.