Impact crusher is a kind of new crushing equipment that mainly crushes raw materials by impact force. It has high crushing ratio and efficiency, so impact crusher is widely used in metallurgy, construction, chemical and some other industries.
There are various parameters in impact crusher and these parameters are related with each other and affect the function of impact crusher together. In this case, knowing these parameters and making them have full play means a lot in improving the production rate and products quality of impact crusher. Here, we mainly introduce parameters in impact crusher that affects its function.
Generally, the diameter and length of rotor is related with the feeding size of raw material. While crushing the raw materials, we need enough impact force. In other words, the diameter and length of rotor should be proper. If the diameter of rotor is too small, we cannot get enough impact force to crush the raw materials. If the diameter of rotor is too small, the energy consumption will increase, which is no good to energy-saving. Generally, we adopt a formula to decide the diameter of rotor: D= (2-4) d
In this formula, D means the diameter of rotor and d means the max input size of raw material. And here they both should be calculated in millimeter.
The more the number of blow bar, the better of the crushing efficiency. But too many blow bars will cause the production process very complicated and consumes much raw material. Normally, the number of blow bar is decided by the diameter of rotor. When the diameter or rotor is small, the number of blow bar is relatively less.
Generally, when the diameter of rotor is below 1m, we can equip three blow bars; when the diameter of rotor is about 1-1.5m, we can equip 4-6 blow bars and when the diameter of rotor is about 1.5-2m, we can equip 6-10 blow bars.
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