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Working Principle of Vertical Roller Mill

Article source:admin Popularity:Dateline:2019-06-11 16:03

Why is it that very coarse raw materials enter the inside of the vertical roller mill and turn into finer powder when they come out? What is the working principle of the vertical roller mill?
 
Each part of vertical roller mill has different functions in its operation. Vertical roller mill is mainly composed of main engine, analyzer, fan, finished cyclone separator, micro-powder cyclone separator and air duct. Among them, the main engine is more important. The grinding work of vertical grinder is mainly completed here. It is composed of frame, intake volute, shovel cutter, grinding roll, grinding ring and cover.
 
Raw materials in the main machine rotate by grinding rollers, ring revolution and friction of the grinding rollers themselves. At the same time, the shovel cutter and the grinding rollers at the lower end of the frame throw materials into the grinding rollers and the grinding ring to form a cushion layer, which grinds the materials under the external centrifugal force caused by the rotation of the grinding rollers. For the analyzer, it is driven by the motor through two-stage deceleration at the same time. The blade rotates to classify the grinding from the main engine; the finished cyclone separator, the accessory of the vertical mill, is to collect the grinding separation.
 
Through the above description, we can give a brief description of the work connection of each part of the vertical mill in general. When the material is grinded, it is blown into the main engine through the fan, and sorted by the analyzer in the grinding room. The unqualified material will fall into the grinding room for re-grinding. The qualified grinding will enter the collector with the air flow, and then come out through the powder tube. The unqualified material will be grinded in the grinding machine by this way until it reaches the requirements and is discharged.
 
Thus, the efficient operation of vertical roller mill can not be separated from the perfect coordination of various parts. Therefore, Shuguang Heavy Industry suggests that we should strengthen the inspection of various parts when we choose and purchase vertical  roller mills. Of course, we should also do a good job in the maintenance of all parts, so that vertical roller mills can play their irreplaceable advantages for a long time.

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Keywords:vertical roller mill working principle

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