A Rice cleaner or de-stoner is a machine which is used for removing unwanted impurities from paddy. This machine helps in removing stones, sand and other impurities effectively. This is one of the most useful machines in the whole paddy processing line. This machine requires a 0.5 HP single phase motor to achieve a cleaning or de-stoning capacity of 500 kilograms per hour making this perfectly suitable for commercial as well as household usage.