Due to the mating surface of the hollow shaft and bushing between the feed has been badly worn ,so the ball grinder machine 's operation, it is easy to leak into the pulp ball mill main slide bearing lubrication systems go ,resulting in contaminated lubricants , lubrication system failure tubing blocked , causing the lubrication system failure and more main bearings babbitt wear serious , serious threat to the safe operation of the main slide bearing.Vital internal ventilation mill , the mill on the yield and quality has significantly affected.

First, the role of ventilation promptly discharged powder mill , to avoid affecting the grinding efficiency , the second is to reduce the temperature of the mill , to avoid dehydration of gypsum and tail positions paste grate blocking the china ball mill.The finer the cement fineness , the more sensitive to moisture , we must lay the ball grinding paste when moisture undesirable .Generally, the material integrated into the mill water each additional l%, mill output will reduce l0%. When the water is greater than 5% , the mill on the basic 'stop' grinding it.The hollow shaft severe wear of the bushing with the installation with the feed,the feed to reduce the operational reliability and service life of the liner , causing the feed are not installed on the hollow shaft bushing , resulting in advance of the hollow shaft scrapped.

Due to the hollow shaft and the bushing mating surfaces feed destruction feed end of the liner loses the anchor into the cantilever , it is easy to cause the feed screw coupling bushing and breakage of the hollow shaft , and further cause the joint to the mine and feed extrusion hollow shaft and bushing along the main slide bearing damage and other accidents.Before ceramics ball mill is not considered,then the grinding process flow stream and two open circles . Under the same conditions , in-house production of about 20 to 35 % higher than the open stream.

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