Mining Development is hotter than before, but the skilled workers is relatively lack, many of them are on the job without a long period of formal training, which potentially causes large economic losses to the mining enterprises. In addition, the grinding operation is actual production experience and technology, many engineers and technicians are not very clear, and technical experience in this regard can not be found in all kinds of books. To do this, based on the combination of experience and theory and technology of production commissioning guidance, we make detailed description on the operation of the grinding.
As the operation of the milling work, it is relatively fixed without needing to constantly adjusting, the factors are: ore hardness, small crushing particle size, sieve hole, ball mill model, quality of the steel ball, ration of ball size, ball mill speed, classifier speed, impeller spacing of grading machine, The lift height of grading machine spindle, grader blades wear, the height of classifier overflow. This part of the factors are to develop the preliminary design and technology. Of course, many concentrator design is unreasonable, equipment installation or equipment quality have problems. Elaborate this part of factors:
Model selection of ball mill, different models ball mill can meet different technical requirements, the factor in the design must be considered carefully.
The transmission parts reducer ball mil trachoma, and after equipment is installed completely, when it has not run in several classes, the gear has wear problems . The installation of ball mill is different, the size of gear has deviation problem.
I will focus on elaborating the day-to-day regulation of important parameters of the milling work , which directly reflects the the milling workers operating level, and describe an important part of the high and low utilization of the grinding, it includes the feedwater size of ball mill , the discharge mouth flush size and the size of the amount of ore.
Mill bloating harbinger has several aspects needing to attention, one of which is to see whether the ball mill discharges material, and the second is to listen to the ball mill sound, Mill bloating, sound becomes smaller and stuffy. Third is to look at the the ball mill current control cabinet to emphasize that if the ball mill has bulging belly, its current value is smaller, while the number of operators and engineers take the opposite view, they think the ball mill bloating is caused by the large amount of ore in the ball mill, its current value is larger, this is the wrong point of view.
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The Correct Method to Operate Ball Mill