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Detailed knowledge of working principle of mill

原创 Linux操作系统 作者:hxjqlinda 时间:2012-04-06 14:49:51 0 删除 编辑

Ball Millis mainly used to grind materials in mineral, cement, refractory, chemical industry, etc. Ball Mill has dry and wet ways. When wet Ball Mill works, certain water and other liquid will be added into materials to increase flow-ability of materials, so the capacity is increased. When dry Ball Mill works, capacity is affected because material flow-ability is reduced, so absorbing wind device is needed on the outlet of Ball Mill, and then negative pressure is formed in the Ball Mill to increase flow ability of material, so the capacity is increased.
According to the granularity of abrasive material to choose, the material from the mill feed end of the hollow shaft into the cylinder body when the ball Simplified rotation when grinding due to inertia and centrifugal force, friction effects, post it near the cylinder liner on the cylinder was taken away, when was taken to a certain height, because of its own gravity has been thrown down, the whereabouts of the grinding barrel as a projectile, like the body of material to crushing. Material by the feeding device into the compound air evenly into the mill screw shaft first warehouse, the warehouse there are ladder liner or corrugated liner, built with different specifications steel ball, rotating cylinder produces centrifugal force to the ball a certain height After the fall, have severe impact on the material and abrasive. Coarse material in the first position to reach, after single-compartment plate into the second warehouse, the warehouse lined with flat lining, there are balls, the material to further grinding. Powder discharged through the discharge grate plate, complete the grinding operation.
Cylinder in the rotary process, the grinding phenomenon has slipped in the fall to the process of abrasive material in order to effectively use abrasive effect on the particle size is generally twenty to teach a large head, when finely ground, the body tube mill body with the diaphragm plate separated Sec, it becomes two-position, materials into the first position when the ball was crushed, the material into the second position when the end of the material for grinding steel, finely ground material passing from the discharge end of the discharge hollow shaft, the small particles of feed material for when finely ground, such as sand  slag, coarse fly ash, mill shell from time to set up partitions, a single-chamber tube mill, grinding the volume of steel can also be segment.

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