Outstanding History of Ball Mill
Ball mill is the material being broken, and then smash the key equipment. It is widely used in cement, silicate products, new building materials, refractory materials,fertilizer, ore dressing, and black glass ceramic,and other non-ferrous metal production industries, and other various ore grindability of materials for the dry and wet grinding.
The motor drives the cylinder rotate through deceleration device. When rotating in the cylinder, influenced by friction and centrifugal force, the crushed ores and steel balls are elevated to a certain height by lining board, and fall down because of gravity. Ores are gradually crushed under the influence of impact and grinding. Crushed ores are discharged out of the cylinder. Qualified products go through the spiral classifier while coarse sand was sent back to the ball mill by the joint feeder. Through material hollow shaft spiral the material is sent to the first mill chamber, in which there are ladder liner or corrugated linings, with steel balls of different specifications in it. When cylinder rotating, centrifugal force will produce steel ball fall down from a certain height, thus impacting and grinding the materials. After coarse grinding in the first chamber, materials enter into the second chamber through a single diaphragm. In this warehouse with flat lining board and steel balls in it, materials are further grinded.china cone crusher:http://www.hx-crusher.com/cone_crusher.html
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Ball mill appearedin the early 19th century; 1870 in the grinding mill, based on the development of a uniform size marker rod mill; in 1908 it created a self-mill without grinding media. 30 to 50 years the twentieth century,the United States and Germany have developed a roll bowl mill, roller mill and other vertical type disc pulverizers. This year is mine mineral processing equipment as an essential part of the ball is more rapid development of the Ball grinding mill is a horizontal rotating device, outer gear, the two positions, lattice-type ball mill. Material from the feed device into the compound by air evenly into the mill screw shaft first warehouse, the warehouse there are ladder liner or corrugated liner, built in different specification steel balls, cylinder to convey ball into the action must generate centrifugal force After the fall height, produce severe impacton the material and abrasive.
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