Air Atomizing Spray Nozzles
Compressed air is used to increase the atomization efficiency of these nozzles. A smaller droplet size for a given liquid flow rate can be obtained with the use of compressed air than can be obtained with nozzles that only use the pressure of the fluid.
- ❖ Atomizing of viscous liquids
- ❖ Granulation
- ❖ Humidification of air
- ❖ Agglomeration
- ❖ Tablet coating
- ❖ Pallet coating
- ❖ Cooling
- ❖ Others
Internal Mix Air- Atomizing spray nozzles
In these types of spray nozzle air and liquid mix internally inside the cap and discharges from same orifice.
External Mix Air- Atomizing spray nozzles
In these types of spray nozzle air and liquid mix externally outside the cap from different orifice and discharges.
Air atomizing spray nozzles have following principle set-up.
1. Pressure Principle Set - up
2. Gravity Principle Set - up
3. Siphon Principle Set – up
1) Pressure Principle Set - up
Liquid supplies from pressure pump and for compressed air, compressor requires.
2) Gravity Principle Set – up
Liquid supplies from gravitational head (no need of pump) and for compressed air, compressor requires.
3) Siphon Principle Set - up
Liquid lifts at certain height (no need of pump) by the compressed air and for compressed air, compressor requires.