Different Types of Grinding Mill

04/06/2014 Construction Machine

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The ball mill is used for grinding ore after it is calcined by rotary kiln in ore dressing line. If the grinding efficiency improved, the ball mill will cost less and the inventor will get more profit. Therefore, the above tree methods are very useful for the ball mill buyers and users. Raymond mill is the most important and key link in cement production, energy production more than 70% of the total energy consumption in the total power consumption. Therefore it need to research and development of new type high efficiency grinding technology and equipment, control product particle size distribution, cement grinding efficiency and product quality.


On the way home and abroad ball mill drive, drive the ring gear fixed to the discharging end of the cylinder, and the small gear engaged, the motor through the pinion and ring gear to drive the cylinder. Transmission mode according to ball mill there are several different specifications.


(1) synchronous motor drive. Large ball using low-speed synchronous motor direct drive vertical roller mill  pinion, ring gear pinion in the drive to seek mill turning. Advantage of high transmission efficiency, small footprint, easy maintenance and improvement of the grid power factor, but the high price of synchronous motor, and the need DC power supply.


(2) induction motor drive gear reducer. Large and medium-sized ball mill using asynchronous electric drive, gear reducer drive pinion, ring gear and drive the ball mill. Advantage of asynchronous motor cheap, but a large multi-purpose reducer.


(3) induction motor V-belt drive. Small ball mill using asynchronous motor through V-belt drive pinion, ring gear and drive the ball mill. The disadvantage is the low transmission efficiency, large area, maintenance complex.


Operation of a ball mill is relatively simple, with no moving mechanical parts within the mill itself. The system is tolerant to variations in both mill feed quality and quantity. By contrast, the is a more complex piece of equipment with a sophisticated hydraulics system that operates the rollers. The material bed between the rollers and the table is thin and it is essential that the rollers and table do not come into contact.

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