Grader - one of the factors affecting the fineness of the ball mill

After the ball mill material is broken, the key equipment for pulverization is carried out. As a general grinding equipment, ball mill is widely used in mineral processing, building materials and chemical industries. The grinding fineness of the ball mill is a problem that many users are very concerned about. Here, Bailing of Henan talks about the influence of the classifier on the grinding fineness of the ball mill ball mill.

The lifting height of the grader spindle is an important factor affecting the amount of sand return and the fineness of grinding. Because the ore in the classifier is not cleaned up, under the long-term sinking, the mud sinks more realistically. When the classifier main shaft is lowered, because the shaft is not careful, the spindle is not completely lowered, resulting in less sand return than normal. In addition, if the spindle is not lowered, it may be because the spindle has not been cleaned and oiled for a long time, so pay attention to it during the operation. Therefore, in general normal production requirements, the grader spindle is put in place. In the production operation, we need to find one by one to find the adjustment factor to ensure the grader spindle is in place and improve the grinding fineness. The blade wear of the classifier also has a certain influence on the grinding fineness of the ball mill.

After the blade of the classifier is worn, the amount of sand return is reduced, which causes the fineness of the grinding to become thicker. In addition, if the blade is worn out, the life of the classifier will be affected. Therefore, the blade wear condition is checked in time and the worn blade is replaced in time.

The grader overflows high and low, which affects the grinding fineness of the ball mill. In the production, according to the requirements of grinding fineness, the level of the overflow weir of the classifier can be adjusted appropriately. If the fineness of the grinding is required to be fine, the angle iron of a certain height can be welded on both sides of the classifier. The method is to adjust the grader overflow height. The opening of the classifier also has an effect on the fineness of the ball mill. The height of the opening under the classifier, the size and size of the opening on the classifier, the size, etc. are on-site during the installation of the equipment. In many factories, the size of the opening of the classifier is not adjusted during the installation of the equipment, and the workers are in the process of operation. Not too much attention, invisible also affects the grinding operation.

The lower opening of the classifier is relatively large, so the sedimentation area of ​​the ore is larger, so the amount of sand returned will be larger, the fineness of the grinding is relatively fine, and the opening under the classifier is large. The sedimentation area of ​​the ore is larger, the water flow is more gentle, so the amount of sand returned. It will be large, the grinding fineness is relatively thin, the opening on the classifier is low, the amount of sand returned is relatively large, the fineness of grinding is relatively thin, the opening on the classifier is large, the relative amount of sand returned is relatively large, and the fineness of grinding is relatively thin. Otherwise the opposite.

If you need more information about ball mills, classifiers, etc., please feel free to contact the technical staff of Henan Bailing.

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