SPRAY NOZZLES FOR DRYING & AIR BLOW-OFF APPLICATIONS

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Product photo of the BETE Finz Air Blow-Off and Drying Nozzle

In many industrial processes, water must be removed from bulk material or accumulated water on the surface of a product. Air blow-off nozzles make this process easy, effective, and versatile as compressed air is sprayed through a nozzle producing a flat fan-shaped stream of air. The momentum of the high-velocity air removes dust, dirt, and heavier materials such as metal chips.

Thin layers of liquid can be removed as the air stream physically moves water droplets and clears them off a surface, while a spray of dry air also consumes water through evaporation. Compressed air is especially good at clearing a liquid or residue off surfaces because it will not scratch or rub against the object being dried as other drying systems do. Additionally, irregular shapes and sized objects can be dried or washed by the air nozzles without special tooling or fixtures.

Important factors to consider:

Available air flow rates

Available air pressure drop (∆P) across the nozzle

  • ∆P = supply pressure at nozzle inlet – process pressure outside nozzle

Material or residue to be removed

Size & shape of target object or area

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