paddy cleaner selection, it must have the following:
1. Screens to remove Oversize Impurities
2. Screens to Remove Under Size Impurities
3. Air drafts to remove fines and dust
4. Air Path Changes to removes solid particles from fines
5. And Finally, adjustments and inspection windows to control what all you want to remove.
Besides above, you must consider power rating, air draft requirements, cyclone/bag filter requirements etc. Perforation percentage of screens, and its motion whether reciprocating or oscillating does affect the performance.
rice whitener is developed to give better results in terms of polish, less broken, less maintenance. It advised to have powerful bran separation equipment attached to this machine.