DESIGNING CONSIDERATION 2 – DROPLET SIZE
The warmth move, and thus evaporative force, of any system will be an immediate capacity of the surface region introduced to the warming component. On account of spray drying this implies that the more noteworthy the surface space of the liquid being sprayed the faster the water will be vanished from the slurry.
The surface space of a given volume of liquid is contrarily corresponding to average drop size that makes up that liquid. On the off chance that one parts the normal drop size of a liquid, and keeps the general volume of liquid the equivalent, the added surface space of the multitude of drops will twofold. All in all, the more modest the bead size the more noteworthy the surface region and subsequently the more prominent the drying force of the spray drying system.
Thus spray drying nozzles are intended to frame fine drops. They do this by working at high pressures and utilizing the high inner energy of the slurry under such pressures to split it up into a fine spray.
CONSISTENCY OF DROPS
It is likewise essential to guarantee that the drops shaped are genuinely uniform in size. Numerous nozzles will create a wide range of bead measures yet this is unwanted in spray drying applications, as bigger drops might not have fluid eliminated and consequently neglect to dry. More medium drops will have their dampness taken out however the leftover powder molecule might be harmed by exorbitant warmth. Therefore spray drying nozzles are intended to give a high level of consistency of droplet size. They have a low relative range of particles – for additional subtleties on relative range and how it is estimated and controlled kindly visit our designing asset segment.