Based on traditional manual feeding skills, controlled by the advanced mechanized procedures, the new generation feeding system of ball mill machines has been automatic. In industrial grinding plant, ball mill is very important. As a professional industrial grinding plant supplier, Zoneding Machine gives a detailed paper on the automatic feeding system of ball mill.

The automatic feeding system principle of ball mill is simpler, with the increasing of material level in ball mill, ball mill power also increases accordingly, the output of ball mill also increase, so the yield can balance at any time, and the working state of the ball mill is the stability. When the material level continues to rise to a certain value, the ball mill power reached maximum.

As the material level to further improve, power down of stone crushing plant capacity, production continued to improve. After the maximum output, material level continues to increase, the ball mill power and yield decreased. Due to the material level increases output declines, the working state of the ball mill is not steady. So you can't work in manual mode.

In manual mode, the ball mill can only work in the top left of the maximum power point, actually because of measurement of the sensitive no reliable means to actually run far short of the maximum output. This is used to run way. In the habit of corresponding area of the curve is called operation area, in the area of steel ball about 50% or so, the consumption of energy is the energy of the ball about 50% is invalid. Maximum power output point on the right side of coal mill consumption habit than operational area is small, production is bigger than habit operational area. The energy of the ball in this area is less than 25% is invalid. But coal mill in this state of the work is not stable, only under the condition of the automatic control can work normally. We need to optimize the operation area of this area.

With the improvement of material level, work first and lowered later full tank when power tends to zero. Touch the power curve 2, for steel (steel ball consumed power), with the improvement of material level, steel touch work first and lowered later full tank touch power tends to zero. Curve 3 for coal power consumed power (coal), with the improvement of material level, coal power decreases gradually. Touch loss, power and steel ball steel plate, vibration and noise is proportional to the size of the loss. Coal power is proportional to the coal production. 1 is the total power curve, curve 2 for reactive power, three effective power curve in combination beneficiation plant configuration.

Curve is equal to the sum of curve 2 and 3, which means the total power is equal to the reactive power and the effective power. Can know from the above analysis, the optimal operation area and used to run the real difference is the material level is high, or "save coal of coal". Coal mill in the coal directly affect the production of coal mill power, or is invalid. As long as the control level in the appropriate location, coal mill of reactive power consumption to a minimum, indeed improve production. So the problem of economic operation becomes the best mill material level control problem.