Vertical mill is an ideal large-scale equipment widely used in cement, electric power, metallurgy, chemical industry and non-metallic mineral industries.
Vertical mill is an ideal large-scaleequipment widely used in cement, electric power, metallurgy, chemical industryand non-metallic mineral industries. It combines crushing, drying, grinding andgrading conveying functions with high production efficiency. , Granular rawmaterials ground into the required powder material. Vertical mill with highgrinding efficiency, energy consumption, drying ability, the moisture into themill material can be as high as ten percent, chemical raw material quickreaction, uniform particle size, is conducive to the firing of cement clinker Aseries of advantages, more and more widely used.
Vertical mill compared with the ball mill,vertical mill allows larger into the grinding particle size, but by the millinto the material size is too large impact with the ball mill there is a bigdifference. Under normal circumstances, the ball mill into the grindingparticle size changes only on the mill output and the impact of the fineness ofthe mill. Grinding large particle size, reduce the production of ball mill,product fineness increases, but the vertical mill, into the grinding particlesize is too large, not only makes the product quality decline, but also morelikely to cause the mill system failure. Vertical mill requirements into thegrinding material particle size ≤ 80mm, but by the crushing equipment and the impact of purchasedmaterials, sometimes the size of the material into the mill have a greatervolatility, when the larger size of the block into the mill, Taiwan productionWill be substantially reduced, the general decline of 10-20t. If the materialinto the grinding control is not strict, leading to excessive material into thevertical mill, resulting in a series of problems. The following describes thegrinding material size of the vertical mill equipment and raw materials, theimpact of quality.
When the size of the material into the millis too large, the material is easy to wear poor, the material into the mill iseasy to support the roller, cannot form a better grinding layer, the materiallayer is easy to cause grinding vibration, the roller and a series of processfailure, Resulting in frequent mill stop, seriously affecting the operation ofthe mill.
Into the grinding particle size is toosmall, more powdery particles, into the grinding material particles gradeddistribution unreasonable, resulting in material instability, the internalcirculation increases, the mill easily collapse layer, resulting in mill wearcycle fluctuations , The quality of raw materials have a greater impact.