DESCRIPTION DU TRAITEMENT DE L'AIR PAR TOUR DE SÉCHAGE PAR ATOMISATION
Treatment of the intake air for spray drying towers and pneumatic transfer of dairy products or processing aids by DESSICA systems allows for significant productivity gains and energy savings through control of the humidity.
The functioning of a spray drying tower is subject to seasonal variations. In particular, the mixing ratio (absolute humidity) of the upstream air is a determining factor in the capacity of the tower. In the summer, when this ratio is high, the capacity is reduced, while in the winter, when this ratio is lower, the capacity is greater. These variations complicate operation of the tower, with increased risks of production halts.
Control the humidity of the air upstream of spray drying towers to achieve constant and stable intake conditions with DESSICA systems.
- the risks of a production halt due to climatic variations and products sticking to the walls are greatly reduced. Operation of the drying tower is made easier by reducing changes in settings;
- the capacity of the drying tower is constant and maximised and the residual moisture in the product is stabilised throughout the year by climatic conditions without significant variation in all seasons ;
- energy consumption is optimised: as drying by adsorption is an exothermic phenomenon, it increases the temperature of the dry air, substantially limiting the energy input to the system.