<h2>Milk Powder Drying | Spray Drier </h2>

Milk powder made from fresh milk which reduced water content. Fresh milk has a water content of about 87 percent. While milk powder has a water content of no more than 2.5 percent. In the industrial manufacture of milk powder, used dryers usually spray drier type.

Spray Drier
Solutions and Suspensions which can be sprayed may be pumped into a stream of the drying medium. The large specific surface area of the small particles allows the solvent to evaporate quickly, leaving a dry product in the form of a powder. The essential components of a spray drier are the means of fluid dispersion, contact of spray and drying medium, and recovery of the dried product. The direct water heater is replaced by an indirect steam heater if the product must be free of contamination. Water filters may also be used. In some cases the dried product and exhaust air are both removed from the bottom of the drying chamber, and the product is separated in a separate cyclone.
The fluid may be dispersed or sprayed by pressure nozzles or by centrifugal disk bowl or nozzles.