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Working process and characteristics of vertical roller mill

Article source:admin Popularity:Dateline:2020-03-18 16:12

The vertical roller mill can effectively solve the main problems existing in the current milling process. The vertical roller mill has strong ventilation and drying capabilities, saves the crushing electrical and mechanical power, has low noise during operation, and is adaptable to various performance raw materials. It is strong, suitable for large-scale supporting of cement equipment, centralized crushing, grinding, drying, powder selection and pneumatic conveying.
 
The vertical roller mill can be operated independently, or it can be used as a pre-milling equipment to greatly increase the energy production of subsequent mills. Then comprehensively consider the milling capacity, drying capacity, energy consumption, feeding particle size, etc., according to the actual situation of the cement plant The selection is very important. According to the position of the humidifying tower and the dust collector, the vertical roller mill has two different arrangements, namely a three-fan system and a dual-fan system. Product collection by cyclone dust collector. This arrangement can reduce the working negative pressure of the system and the amount of gas passing through the dust collector. Available electric dust collector can also use bag dust collector as the final dust removal equipment; the dust collection device used can be an electric dust collector or a bag dust collector, and the exhaust gas directly enters the dust collector, the system reduces the number of equipment , Simplifying system configuration.
 
The working process of the vertical roller mill is as follows: the motor drives the grinding disc to rotate through the reducer, and at the same time, the hot air enters the vertical roller mill from the air inlet, and the material falls from the feeding port to the grinding disc. Due to the centrifugal force, the material moves from the grinding disc to the edge of the grinding disc and passes through the grinding disc In the annular groove above, it is crushed by the grinding roller, and the crushed material continues to move toward the edge of the grinding disc until it is taken away by the air flow at the wind ring, and large particles of material fall to the grinding disc and continue to be crushed. When the material in the air flow passes through the upper separator, the coarse material falls from the cone to the grinding disc under the action of the guide blades, and the fine powder is ground out together with the air flow and collected by the system's dust collector. The product is ground mill. The material is dried in the process of contacting with the gas in the shell to reach the dry humidity required by the product. By adjusting the angle of the guide vane of the separator (small vertical roller mill is not adjustable) and the speed of the rotor of the separator, the required thickness of the product can be achieved.
 
As a professional manufacturer of grinding mills, Shuguang Heavy Machinery sells a variety of different types of mill equipment, including ball mills, Raymond mills, vertical mills, etc.Welcome to contact us for more details.
 
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Keywords:vertical roller mill

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