Ball mill multiple parts fault handling method

The ball mill is the key equipment for crushing the material after it has been crushed. It is widely used in the production of cement, silicate products, new building materials 52555, refractory materials, fertilizers, black and non-ferrous metal dressings and glass ceramics. Dry or wet grinding of various ores and other grindable materials. . The ball mill is suitable for grinding various ores and other materials. It is widely used in mineral processing, building materials and chemical industries. It can be divided into dry and wet grinding methods. According to different mining methods, it can be divided into two types: grid type and overflow type.

  A large vibration occurs when the ball mill reducer drives the mill:

(1) The balance shaft of the ball mill and the reducer, the axis is not in the straight line, the reason is: when the mill is installed with the lining, there is no secondary grouting, or the anchor bolt after the secondary grouting is not fastened. The hoisting machine rotates the grinding cylinder body, so that one end of the grinding cylinder body is displaced, and the two axial centers are not in a straight line, so that the speed reducer drives the grinding machine to generate vibration. Treatment method: To re-adjust, make the axis of the ball mill mill and the axis of the reducer on the same plane axis.

(2) The large ball mill is bulky and heavy, causing the foundation to sink; displacement occurs. Monitoring settlement points are set up next to the foundation; observations are made and adjustments are made when there is sinking.

â—†The ball mill reducer runs abnormally: the sound of the ball mill reducer running normally should be even and stable. If the gear has a slight knocking sound, the hoarse friction sound, there is no obvious change during the operation, you can continue to observe, find out the reason, the ball mill stops processing, if the sound is getting louder, you should immediately stop the ball mill for inspection.

â—†The main reasons for the sudden vibration of the ball mill motor with the reducer are as follows:

(1) The two-wheel gap of the ball mill coupling is too small to compensate for the amount of turbulence caused by the self-seeking magnetic center when the motor is started.

(2) The correcting method of the ball mill coupling is incorrect, causing the two axes to be different.

(3) The coupling bolts of the ball mill coupling have no symmetrical tightening and the degree of tightening force is different.

(4) Ball mill bearing outer ring activities.

Treatment method: adjust the wheel gap according to the specified, so that the two axes are concentric. Tighten the coupling bolts of the coupling symmetrically with the same torque. When the rotor is unbalanced, the ball mill rotor is taken out to find a static balance.

â—†When the ballmill is running, there is a very high frequency of hitting and the sound is also very large. It should be that some of the lining bolts are not tightly screwed. The solution is that you can judge by the sound of the machine. Which part of the ball mill liner, then find the loose bolts and tighten them.

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