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The Ball Mill Filling Ratio Automatic Detection System

Source: Editor:Goldpro Visit: Release time: 2013-07-06 16:16:00

Ball mill is the main equipment of ore dressing process, and it is widely used in mining, metallurgy, building materials, refractory, cement, chemical and thermal power industry.

With the rapid development of all walks of life, the ball mill is used more and more widely. There are many factors affecting the working effect of ball mill, and the grinding ball filling ratio is a major parameter of grinding of ore. In the grinding process, grinding mill is mainly rely on the role of media to complete the grinding task, and whether the medium filling rate is reasonable or not is the first factor to affect productivity. The accurate detection can make the mill capacity and energy efficiency improved obviously on the mill ball loading rate. For ball mill, load detection is usually to be stopped after the mill, open mill shell manhole cover and people entering the mill to obtain measurement and calculation of the filling factor.

 

If these works are not consistent with the maintenance plan of mills, it will seriously affect the technical and economic index of mill. In the working process of the ball mill, the adding of balls is carried out in advance according to the work plan and this plan is known to be grinding material medium consumption index compiled. Due to the raw material of no stable mechanical properties and medium quality, and the crushing medium unit consumption in the wide range is also changing, which may not be stable. Therefore, in the long time of mill work according to the original plan to maintain the simplified inside medium rate value will be difficult, the result is not the medium rate inadequacy is medium filling rate is too high. Because the major impact of machine inside medium rate of mill power and productivity, the actual production of medium filling rate is difficult in dynamic stability. Therefore, on one hand, according to the dynamic wear medium make the timely, scientific and reasonable way of adding, so that to make medium filling inside the mill rate stable at a reasonable level; on the other hand, it is to find the dynamic parameters of the medium filling rate regular and accurate as well as simple and convenient measuring method to guide the media timely supplement, and the mill power and productivity to maintain high level operation. The main problem of artificial detection is to detect the mill load shut down, and this will affect the continuity of production and product quality, reduce the operation rate of the instability of the mill, and mill frequent startup will also lead to the increase of power consumption. Therefore, the research on a high degree of accuracy and good cost performance of mill medium filling rate automatic detection is very important.


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