Structure And Working Principle Of Ball Mill

Structure And Working Principle Of Ball Mill

The ball mill has a general function in production in our country in the field of industrial raw material, because of this mill could be the most fast technological improvement in the mining machinery equipment, but no matter how development, is definitely the adjust in the Pope, the structure and the operating principle of the ball mill is just not change, the following for you to introduce.

1, Structure of ball mill

The most important structure comprises a mill ball mill cylinder physique, end covers and bearings and transmission components. Among them, the transmission components of ball mill includes a triangular belt, motor, reducer, belt pulley components. In an effort to make sure the grinding efficiency from the cylinder, the staff are often within the cylinder body into a diameter of 25 150mm steel bars or steel ball to improve polishing rate, loading typically accounts for the cylinder physique 25% of volume 50%. In addition, the tube physique using a lining plate. The end cover at two ends on the cylinder body, connected by a flange at the bottom screw and barrel, the middle with air holes, to make sure the smooth discharge of waste gas. Bearing supporting the hollow shaft diameter, efficiently reduces the friction cylinder, prolongs the service life of your cylinder. The major gear ring is fixed around the cylinder physique.

2, the operating principle of ball mill

Abrasive operation is carried out inside the ball mill barrel body, a motor shaft coupling, a speed reducer plus a tiny gear drives the cylinder and also the gear ring to rotate through. The material through the mill inlet finish in to the feeding device, the very first chamber in to the mill with uniform motion from the hollow spiral. The cabin with corrugated liner, can effectively cut down the friction in between the supplies, in the exact same time lining grinding balls of unique sizes and specifications can also be provided using a within plate, by the staff in accordance with the actual requires of perform to pick out. When the cylinder rotates, the steel ball can do uniform motion inside a straight line in the influence of mill rotating force and reverse force, has been sliding down. Also, the impact of these two forces, the ball will make some friction with the cylinder body, a steel ball using the axis of your cylindrical physique and make revolution motion, make it posts near the cylinder liner around the cylinder body away, when to rise to a particular height, medium because of self weight and parabolic or falling and falling therefore the material within the barrel under the ground. The material within the completed just after rough grinding, then by the initial chamber into the second bin, the Bin Bin friction than the first material grinding is usually smaller sized, more broken, extra fine. Second warehouse linedwith flat lining, when grinding following the finish, by the discharge grate discharge powder material.

The ball mill function excellent influence on filling rate. When the ball filling ratio reached 40% and 50%, the rotary speed in the ball mill will transform accordingly, along with the grinding media will appear the following 3 basic motion, realize more crushing and less grinding, reduced in to the grinding strength, significantly strengthen the production efficiency, reduces power consumption. The first movement state of high speed, inside the body beneath the action of centrifugal force, the ball will together using the cylinder body together to complete rotary motion, namely uniform circular motion at the grinding medium can not properly play its role and impact of grinding, the grinding efficiency is low. Second kinds of running state of the low speed, much less friction involving the material along with the grinding medium, the grinding impact is just not apparent, the grinding effects of the very same restricted. Third types of grinding circumstances, the grinding speed is somewhat steady, the grinding medium inside the cylinder physique with rose to a certain height, might be in uniform circular motion state to fall back in to the cylinder, the abrasive action is complete, successfully lower the solution size, high grinding grain processing ability

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