Powerful black powder can be made with mill runs of between 2 and 4 hours. Use long drop cords. Unplug the cords at the electrical source, not at the ball mill, when you want to stop the mill. Run your mill remotely, outdoors, at least 150 feet away from people and inhabited buildings.
The replacement of the ball mill liner is a very cumber some and technically high quality work. In addition to the above mentioned replacement techniques, the personal safety of the staff is particularly needed. Correct ball mill liner replacement operation can improve the use time of the ball mill and ensure the safe operation of the ball mill.
If a ball mill contained only coarse particles, then 100% of the mill grinding volume and power draw would be applied to the grinding of coarse particles. In reality, the mill always contains fines: these fines are present in the ball mill feed and are produced as the particles pass through the mill.
A stable operation of ball mill plays an important role in the whole production line. In practice, there are many factors that affect the ball mill working efficiency, service life and use quality, but the key factor lies in correct installation and debugging of the ball mill itself.