Milling, sometimes also known as fine grinding, pulverising or comminution, is the process of reducing materials to a powder of fine or very fine size. It is distinct from crushing or granulation, which involves size reduction to a rock, pebble or grain size. Milling is used to produce a variety of materials which either have end uses themselves or are raw materials or additives used in the manufacture of other products.
mining industry in south Africa
South Africa accounted for 50 percent of Africa's mineral resources, residing in fifth place in the world. The platinum group metals, manganese, chromium, gold, andalusite, bauxite reserves accounted for first in the world, fluorspar, titanium, vermiculite, zirconium reserves, second in the world, diamonds, antimony, phosphate reserves in the world 4, nickel, uranium reserves in the world 5, lead, coal, iron ore reserves in the world of bits 7,8,9. South Africa production in 2005 ranked first in the world mineral production of gold, platinum group metals, andalusite, chromite, ferrochrome, vanadium and vermiculite; manganese and titanium in the world. Mining is the largest part of South Africa's basic economic.
ball mill vertical grinding mill for sale
Compared with other grinder machines,especially vertical mill, the grinding ball Mill is of quite simple structure. the ball mill is made up of feeding part, discharging part, gyre part, transmission part (reducer, small transmission gear, motor, and electrical controller) and so on. The hollow axis of Ball mill adopts the cast steel, and the lining can be replaced. The big rotary gear is forged from cast rolling gears. The barrel body of the Ball mill is inlaid with wearable plates.
Ball mill is an efficient tool for grinding many materials into fine powder. The Ball Mill is used to grind many kinds of mine and other materials, or to select the mine. SBM is the world leading manufacturer and supplier of crushing, grinding and sand making machines. SBM is a corporation with highly dedicated staff working closely together to ensure customers’ success. With the outstanding expertise, commitment, we always drive to make profitable improvements. Our ball mill is designed with long life, excellent performance and minimum maintenance.