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Disc vertical roller mill liners and application of roll sleeve

Disc vertical roller mill liners and application of roll sleeve
httpwwwmverticalmrollermillcom
Fine particles of very fine grinding materials containing silica superfine grinding, production by air causes the bed material is filled with a lot of gas, which has the trend of fluidization bed, easy to make the
vertical roller mill machine can not effectively engage in a large number of particles, resulting in the accumulation of a roller slide or roll before. Quartz mill grinding roller with tire type, disc lining board with bowl type, one is to avoid the edge effect of roller wear, can be turned to use, long service life, tyre type grinding roller surface tends to be steep, the use of drum roll bowl structure to exhaust, the control principle of the material bed to reduce the vibration of the single roll prepared by the bed. The grinding roller inside, roll gap, the formation of the bed material preparation, material bed is loose, the outer side of the grinding roller, roller gap small disc, bed and more compact, high grinding zone. In the grinding process, even if the product specific surface area is large, can achieve stable operation, small vibration. On the other hand, the disc edge has a certain height of the barrier material ring structure, can effectively prevent the material, reduce the speed of movement on the disc material, to achieve stable operation of the mill.
The application of quartz powder industry has strict requirements on the iron content, so the vertical mill grinding roller, grinding abrasion resistant materials are used on high chromium cast iron, the abrasion with quartz powder is easy to be attracted by a magnet, even in the quartz powder in a small amount of iron is also very easy to get rid of machinery.
Vertical roller mill in grinding area of work material and wear parts between the rolling friction, so the grinding of the iron loss is very small. Vertical mill in cement raw meal grinding, the liner grinding roller and disc wear data recognized within the industry as 5-6g/t. Based on years of experience, theory of quartz powder grinding wear 50-60g/t. Design of static and dynamic combined separator, the rotor adopts gas seal structure, can effectively avoid the large particles into the finished product, so as to reduce circulating load, to improve the grinding efficiency.

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