Development and Application of Efficient Crusher

With the development of mining crusher, to a certain extent, it improved the overall mining process, the crusher as the core equipment in large mining processing. Gravel in accordance with the ore feed size and the material grain size, used for coarse ore crushing, medium crushing, and fine crushing these fields. The development of the crusher, based on the product performance is constantly improved to a greater extent to meet the demand. In the 1980s, the jaw crusher is widely used in mining, smelting, building material, highway, railway, water conservancy and chemical industry and many other sectors, jaw crusher breaks the materials of compression strength is not more than 320 Mpa. Due to the requirements of development, and in order to avoid replacing the broken parts affects production, resulting in the producing of a hydraulic jaw crusher. To the early 1970s, the gyratory crusher is the new crusher of using the cycle exercise in the cone cavity of the housing to squeeze, split and bend the materials, crush various hardness of ore or rock. 

Its efficiency is than that of jaw crusher. The discharging size uniformity of medium and fine crushing operations generally requires higher than that of crushing operations, and therefore has the cone crusher. The cone crusher is constantly developing, there are spring cone crusher, Red Star cone crusher and single cylinder cone crusher and multi-cylinder cone crusher and so on.

And so on, hammer crusher and impact crusher are continuously developing, especially the impact crusher crushing ratio is greater and more fully utilizes the high-speed impact energy of entire rotor. But because the board hammer is easy to wear, it is limited from the hard material crushing applications, usually is used to rough crushing, breaking or fine crushing of limestone, coal, calcium carbide, quartz, dolomite, iron pyrites, gypsum and chemical raw materials and other medium hard below brittle materials.

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