Cleaner, quieter and more cost effective
February 23rd 2007

Airknife systems are suitable for drying, cooling, curing, cleaning and deionisation of web/conveyorised materials and products. They can even be employed for spreading and distributing coatings for enrobing processes, according to Air Control Industries (ACI). Providing a continuous and even curtain of air across full web widths via linear plenums, they ensure the full surface area is treated.

ACI says its Airknife systems provide a cleaner, quieter and more cost-efficient option than conventional compressed air alternatives.

They are cleaner because there is no risk of air contamination from oil or condensate; quieter because they deliver large volumes of air as opposed to low volumes at high pressure and more cost effective because they use correctly sized dedicated blowers that require only minimal maintenance.

In addition, according to the company, they do not suffer from the innate weaknesses of compressed air systems (including leakages, airflow impedance through extended airlines and compressor sizing to match maximum line loadings).

For applications that experience static problems, a specially developed de-ionisation bar can be added to neutralise any static charge.

ACI says its airknife systems can be as simple as connecting a single blower to a one-metre airknife, or it might incorporate multiple blowers and airknives, as well as including an array of accessories, depending on the size and shape of the customer's product, including flexible nozzles for irregular shaped items.

The blower might be located locally or remotely and housed in an acoustic chamber.

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