Feldspar Mill2018-12-13

Summary:The effect of critical speed on production There are many reasons for affecting the efficiency of Feldspar Mills, and critical speed is one of them. But this term is rarely heard by friends, let alone understand, Shanghai Shibang to int…

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Feldspar Mill

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Feldspar Mill Detailed introduction

The effect of critical speed on production

There are many reasons for affecting the efficiency of Feldspar Mills, and critical speed is one of them. But this term is rarely heard by friends, let alone understand, Shanghai Shibang to introduce you!

Critical speed is one of the main data to measure the working condition of the mill. The speed of the Feldspar Mill cylinder directly determines the effect of grinding media and grinding operations. If the rotation speed is slow, then the steel ball is lifted to a small height, and the gravity itself causes the steel to be in a sloping state, and the impact force is small, but the grinding effect is very strong, although the grinding rate of the grinding and peeling can be improved, but the effect is too low.

The rotational speed is the rotational speed of the cylinder, and in the process of grinding, the steel ball and the material are precisely calculated by experts, and there is a critical value in a small range, which can make the material and the steel ball reach the grinding state of the steel ball if it can be controlled. In the case of good speed, it can save the production cost for the enterprise by controlling the ball consumption, equipment production efficiency and equipment consumption.

When the rotation speed is high, the height of the Feldspar Mill steel ball is also raised. After the ball rises to a certain height, it leaves the cylinder and falls along the parabolic trajectory, and is in a throwing working state. The impact point has a large impact, and the ore is mainly crushed by the impact, and the grinding efficiency is high.

When the speed of the Feldspar Mill exceeds a certain limit, that is, when the speed of the Feldspar Mill is high, the steel ball will rotate with the cylinder without falling, and is in a centrifugal operation state. At this time, the steel ball has no impact and the grinding effect is small, so that the grinding action is stopped. When the outer ball in the Feldspar Mill rotates with the cylinder without falling, the rotational speed of the Feldspar Mill is called the critical speed.

The critical speed of various Feldspar Mills is proportional to the diameter D, and the critical speed is not easy to find. At present, only the theoretical critical speed calculation formula is widely used.

In the production process, it is not easy to grasp the critical value of the Feldspar Mill speed to reduce the consumption of steel balls and save the cost of ore dressing.

The above is the impact of the critical speed of the Feldspar Mill introduced by Shanghai Shibang on the output. If you have any questions, please feel free to contact us.

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