5th April 2006

The Spray Dryer Just Got Smaller

It’s smaller, quieter, uses less energy and produces better quality powder than any previous spray dryer – it’s the Integrated Filter Dryer (IFD™) from Niro, designed for the food and dairy industries and on show at ANUGA 2006. 

The IFD™ simplifies spray drying by combining dryer, fluid bed and bag filter all within the confines of the drying chamber.  It produces free-flowing powders, or agglomerated and granular dry materials of low dust content, and is particularly effective for those products that are difficult to produce on other spray dryers.

The IFD™ has air filters placed inside the drying chamber instead of outside.  Having the filters inside eliminates the need for external cyclones, bag filters and fines recycling which in turn reduces the space requirement, reduces noise and improved product containment.  It also incorporates a fluid bed within the spray dryer to allow users to achieve the precise product properties required.

The IFD™ reduces product losses – particularly important for high value powders - as all the product is retained within the dryer.  It also makes cleaning the dryer, using the SANICIP™ cleaning system, much easier.  Most importantly, it improves the quality of the product by enhancing the control over particle formation inside the dryer.

Testing at Niro’s test station in Denmark, and many applications in the field, have shown that the IFD™ is suitable for long-run batch production for producing milk power or baby food.