As we know, the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors, which have large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics. In accordance with the manner of the crushing force, the crusher can be roughly divided into two categories: (1) crusher; (2) the attritor. The crusher usually handle larger pieces of material, product size is coarser, usually greater than 8 mm. Its structure is characterized by a certain gap between the crushing member, and not in contact with each other. the crusher can also be divided into primary crusher, crusher and fine crusher.
In general, materials processed size get by the grinding machine are fine, the product coexistence is fine-coarse-grained, Hasta 0.074 mm, and even much smaller. Its structure is characterized by broken parts (or medium) come into contact with each other, the media adopted are steel balls, steel bars, gravel or nuggets. However, some machinery is at the same time both crushing and grinding, such as the mill. 5.5 1.8 meters from the mill processing ore particle size maximum are 350 to 400 mm, the product fineness can reach about 40% – 200 mesh. According to the broken way, the structural characteristics of the mechanical / action principle, the broken machinery (crushing machinery) can be broadly divided into six categories:? jaw crusher. Crushing is operated by the movable jaw plate to periodically press the fixed jaw plate, and crush the ore blocks clamped between the gap. Cone crusher.
The ore blocks exist between the inner and outer cone, outer cone is fixed, the inner cone OJ the eccentric swing, and crush the ore blocks clamped between the gap. roll crusher. The ore blocks are put in two counter-rotating circular roller, and mainly processed by the continuous crushing effect, but also with the grinding stripping, the toothed roller surface chipping the role. impact crusher. The ore blocks are crushed by the impact of the role of the fast-moving parts turning. The machine which belong to this category can also be divided into: cage crusher; Crusher. grinding machine. You pray are crushed by the impact and abrasive media grinding (steel balls), steel bars, gravel or nuggets in a rotating cylinder. other types of crushing and grinding machines (grinding machinery): a. roller mill; B. By the same author: Boy Scouts of America. Mill of tray; C. centrifugation grinding machine; D. vibration grinding machine. dryer machine: