Pneumatic Dryers

A pneumatic dryer consists to spread the particulate solids in a gas which is the drying and the conveying medium. Products like crystals, amorphous powders, chips, shredded materials can be processed in a pneumatic dryer.

Residence time is very short, - about 1 to 4 seconds - and heat transfer is performed in a co-current process flow, therefore the final moisture of the product will be moderate, however this kind of dryer does not overheat products.

The main advantage is a uncomplicated and rather economic equipment.

comessa can propose several alternative wet feed systems which make the Pneumatic Conveyor Dryer suitable for many kinds of products.

The mixing of dryed product with the wet feed facilitates the drying of very wet or sticky products.