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2022
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Factors affecting the service life of the broken wall
In general, there are these factors that affect the crushing effect and service life of the crushing wall and the rolling mortar wall: the content of stone powder and moisture content, the hardness and particle size of the stone, the feeding method, the quality of the crushing wall and the rolling mortar wall itself.
In general, there are these factors that affect the crushing effect and service life of the crushing wall and the rolling mortar wall: the content of stone powder and moisture content, the hardness and particle size of the stone, the feeding method, the quality of the crushing wall and the rolling mortar wall itself.
Stone powder content and moisture content
When the cone crusher is working, if the stone powder content and moisture content of the material are relatively high, it will easily adhere to the crushing wall and the rolling mortar wall during crushing. Over time, it will not only reduce the production efficiency, but also affect the crushing wall and the rolling Mortar wall corrodes and reduces its service life.
For materials with high stone powder content, before crushing, it should pass through a sieve, so that excessive fine powder can be avoided when crushing;
For materials with high moisture content, certain measures should be taken to reduce the moisture content before crushing, such as natural drying or mechanical drying.
Hardness and particle size of stone
According to the different hardness of the crushing material of the cone crusher, the degree of wear of the crushing wall and the rolling wall is also different.
The higher the hardness of the material, the more difficult it is to crush, the greater the impact load on the crushing wall and the rolling mortar wall in production, and the service life will be shortened accordingly; when the hardness of the ore is the same, the larger the particle size of the ore entering the crushing cavity, The more serious the wear of the lining board, the shorter the service life.
Feeding mode
The feeding method of the cone crusher also has a certain influence on the service life of the crushing wall and the rolling wall. If the feeding device of the cone crusher is improperly installed, or too much material is put into the crushing cavity, it will lead to uneven feeding, material blockage in the crushing cavity and other failures, so that the crushing wall rolling mortar wall unilateral force is too large, increase the ore on its cutting wear, so that the lining plate is seriously damaged, the service life will be reduced.
The quality of the broken wall itself
The above are the external factors that affect the broken wall. The quality of the broken wall and the rolled mortar wall itself is a major factor. A good quality wear-resistant accessory has high requirements on the surface of the casting. The casting is not allowed to have cracks and casting defects such as slag inclusion, sand inclusion, cold insulation, pores, shrinkage cavities, shrinkage porosity, meat deficiency, etc. that affect the use performance. At present, the crushing wall of the cone crusher on the market is generally made of high manganese steel. With the continuous development of science and technology, the performance of wear-resistant materials is also constantly improving. On the whole, it is necessary to choose a material that can harden rapidly under the action of impact load, forming a hard and wear-resistant surface, while still maintaining the original toughness of its inner metal. In this way, the service life of the broken wall and the rolling mortar wall can be improved.
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