Super Air Knife Helps Keep a Belt Clean for a Cement Factory

A cement factory was having some issues with spillage of cement powder underneath his conveyor. This 48” wide conveyor system used a cleated belt to carry the cement ingredients up an incline to a mixing chamber.  As the conveyor went around the end to dump the mix, some of it would stick to the cleats and corners where the cleats were attached to the belt.  At the conveyor return, any ingredients that were sticking to the belt would dislodge and fall to the ground.  Spillage is wasteful, costly, unsafe, and time consuming to cleanup.  He wondered if I could help him with his application.

I recommended the model 110248PKI Super Air Knife.  This model included a 48” (122cm) Super Air Knife, a filter, a regulator, a shim set, and a plumbing kit.  The filter would capture any excess water and contamination from the compressed air line that you would not want on the belt or in the cement mix.  The regulator and shim set would be used to control the amount of force required to remove the cement mix without creating a dust cloud.  The plumbing kit provides all of the necessary fittings and hose to prevent pressure drops and keep our customers from hunting down all the right fittings.

PKI

The Super Air Knife would be placed underneath the conveyor on the return side after the mix was dumped. It should be mounted about 6” (15 cm) away from the belt and at a 45 degree angle blowing back toward the end of the conveyor.  The force of the air would dislodge any excess mix and push it back to the opening of the mixer. As a result, the cement mix was not being wasted on the ground or creating a dust nuisance, but being used to make cement.

If you have excess waste and believe that we can help, you can contact an Application Engineer at EXAIR at 1-800-903-9247.

John Ball
Application Engineer
Email: johnball@exair.com
Twitter: @EXAIR_jb

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