Mill (grinding) - Wikipedia
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting. Such comminution is an important unit operation in many processes.There are many different types of mills and many types of materials processed in them. Historically mills were powered by hand (e.g., via a hand crank), working animal (e.g., horse mill), wind or water ().ball mill for limestone grinding power calculation simple,,A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing and the invention of steam power that an effective ball milling machine could be built. . common ball mills and mainly used in laboratories for grinding sample material down to very small sizes.Optimization of mill performance by using - SciELO,to the volumetric mill filling which influences grinding media wear rates, throughput, power draw, and product grind size from the circuit.,an automatic grinding ball loading system named Magoload. Therefore, ball load could be kept constant by using direct measurement.