Reasons for the wear of the crushing cavity of Simmons cone crusher
The Henan Dewo cone crusher is widely used in machine-made sand and gravel, high-grade highways, railways, water conservancy, airports, construction, cement, refractories, metallurgy and other industries to produce high-quality stones. It is suitable for fine crushing of granite, basalt, limestone, river pebble, cement clinker, quartz stone, iron ore, bauxite and other minerals. Henan Dewo Cone Crusher adopts a new type of crushing concept and designed a new type of crusher. The equipment structure principle of the Henan Dewo cone crusher is the same as that of the jaw crusher, hammer crusher, impact crusher and other crushers. totally different. Its crushing capacity and production capacity are unmatched by other types of crushers.
The reason for the wear of the crushing cavity of mining machinery crushers is that there are too many factors that affect the wear of the liner, such as material hardness, abrasiveness, particle size, moisture, and the amount of crushed materials, as well as feeding methods and operating conditions. Even if these factors are the same, due to the different shape of the crushing cavity for the same type of crusher, the wear of the liner will be different.
The wear analysis of the crushing cavity of the cone crusher is as follows:
During the operation of the crusher, the largest number of crushed materials entered the population space in the parallel area of the crusher, and thereafter dropped sharply. Therefore, after the parallel zone is strongly worn and the crusher has been operated for several days, the parallel zone gradually changes.
With the wear of the liner and the degree of change in the contour of the crushing cavity, the material that is crushed along the height of the crushing cavity is more evenly distributed. In the wear range of the liner, there are changes in the contour size of the crushing cavity, especially the parallel zone no longer exists in the later stage, and the entire cavity shape completely loses the original contour. At this time, the size of the feeding port is reduced by about 1.4-1.7 times, and the amount of materials processed by the feeding port is the largest. Because the parallel zone does not exist, the quality of the product deteriorates, and the output of the crusher also decreases.
In summary, due to uneven wear of the liner, the crushing cavity loses the shape of the original crushing cavity, resulting in a low liner life and a decline in the technical and economic indicators of the crusher.
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