Gold Ore Grinding Wet Type Overflow ball mill

Ball mill in accordance with the different ways of mine, can be divided into lattice ball mill and overflow ball mill. These two types of ball mills are currently the most common grinding equipment used in the concentrator. The conical ball mill is used at a very low probability because of its low productivity, large number of liner types and difficult repair, but a very small number of concentrators still follow this type of ball mill equipment.
At present, there is a more rare classification, that is, domestic overflow ball mill and foreign overflow ball mill. So, what is the difference between domestic and foreign overflow ball mill? The most important thing is to distinguish from the way of transmission. Domestic overflow ball mill drive mode include: First, synchronous motor drive. This type of transmission advantages is the transmission efficiency is high, small footprint, easy maintenance, but the shortcomings are mainly high prices, and the need for DC power. Second, the asynchronous motor gear reducer drive. Its advantage is that the asynchronous motor is cheap, the disadvantage is the usage of a large set of large reducer. The last point is that the induction motor V-belt drive. Its shortcomings is the low transmission efficiency, covers an area of large, complex maintenance. In recent years, the usage of overflow ball mill is used for the cement mill in this regard.
In addition, the operation of the overflow ball mill is basically similar to that of the ball mill: the overflow type ball mill is a horizontal cylindrical rotary device, the outer gear transmission, the material is fed into the first position of the mill by the feeding device through the hollow shaft of the feed, The warehouse has a ladder liner or corrugated liner, with different specifications of the ball as a grinding medium, the cylinder rotation to produce centrifugal force to the ball after a certain height of the fall, the material has a heavy blow and grinding effect. Material in the first warehouse reaches rough grinding, the single compartment through the plate into the second warehouse, the warehouse is set with a flat liner, there are steel balls, the material further grinding. The powder is discharged through the discharge grate to complete the grinding operation of the ball mill.