A Spiral Drum Dryer suitable for food/ingredients has been introduced by Air Control Industries. It is designed for in-line, continuous drying processes with drying achieved via a blower-powered airknife. ACI's Spiral Drum Dryer comprises a horizontally mounted, single-helix, rotating drum constructed from perforated stainless steel sheet. Feed product can be delivered via a simple chute, hopper or vibrating plate system. Product passes directly through the drum via the helix and is dried effectively and efficiently by a high-velocity 'blade' of air from the blower powered airknife, which is located in the centre of the drum and spans the full length of it. The height and pitch of the airknife can be adjusted to suit product and throughput speed.
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