Discharge of rudimentary ball mill

This is a rudimentary ball mill, also commonly referred to as a “kalasher” or “english crusher” in the Swahili language, which is a term used to describe a device used for crushing or grinding materials. The ball mill operates in batches, with each cycle typically lasting around 45 minutes. During this time, the mill grinds and pulverizes the input material into a finer consistency. Once the batch of milling has been completed, the cover of the ball mill is removed and replaced with a screen that features small holes. This screen allows the powdered material to pass through and be collected, while any larger particles or debris are retained inside the mill, ready to be re-milled or discarded. The use of this simple yet effective technology is an essential part of various industrial and artisanal processes, particularly in regions where access to more advanced equipment may be limited.