Factors affecting the output of ball mill


The choice of how big the ball mill is based on the production capacity of the ball mill, that is, the output of the ball mill, but what conditions, parameters affect the output of the ball mill? Let's talk about it!
The speed of ball mill affects the output of ball mill
Speed affects the output of the ball mill. The appropriate working speed of the mill is 76% and 88% of the critical speed, respectively. Most of the current production speed of the ball mill is between 75% and 80%, which is slightly lower than the theoretical calculation value.
Speed affects the output of the ball mill. The appropriate working speed of the mill is 76% and 88% of the critical speed, respectively. Most of the current production speed of the ball mill is between 75% and 80%, which is slightly lower than the theoretical calculation value.
Of course, if the production capacity of the mill does not reach the designed output quota, the appropriate improvement of the speed of the mill is still one of the effective measures to improve the processing capacity of the concentrator. When the speed of the mill is low, the media is dominated by the cascading movement, the impact is small, the grinding effect is mainly grinding, the production capacity of the mill is low, suitable for fine grinding; When the speed is higher, the proportion of the medium dropping motion is larger, the impact effect is stronger, the grinding effect is mainly impact, grinding and stripping, which is conducive to crushing and destroying coarse materials, and the production capacity of the mill is high. But after the grinding machine speed improvement, vibration and wear increase, it is necessary to pay attention to strengthen the treatment and maintenance. On the contrary, if the production capacity of the mill is surplus, the speed should be properly reduced to reduce energy consumption and steel consumption, and reduce the grinding cost.
Feed rate refers to the amount of ore fed to the mill per unit time. The grinding effect is different with different motion state of medium. The motion state of the grinding medium in the cylinder depends on the speed of the mill when other premises are constant. When the feed speed is too low and the ore amount is insufficient, the medium hollow lining plate will occur in the mill, and the wear will be intensified, and the product will be severely destroyed by crushing; When the ore feed speed is too fast and the ore amount is too much, the mill will be overloaded, and the steel ball will be discharged, the large ore block will be spit out and the pulp will be gushed out, and the grinding process will be destroyed. In actual production, the appropriate speed of the mill should be determined by long-term production comparison test. In comparison, it is not only necessary to look at the production capacity of the mill, but also to look at the power consumption, steel consumption and economic benefits.

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