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某选矿厂φ2.7m×3.6m球磨机,新设备正常运行3个多月,停机后再启动时出现磨尾高压汕压低报警故障,且简体“浮起量”小于额定值,磨机无法安全启动。1 故障检查该磨机主轴承为动静压滑动轴承,配套轴承润滑供油系统为高(低)压稀油站。磨头、磨尾各有1个高压泵分别供油。另外还有1个备用的高压泵。稀油站高压泵通过中间配管供油到主轴承。高压油压低故障
A dressing plant φ2.7m × 3.6m ball mill, the new equipment normal operation for more than three months, shut down and then start when there is high pressure Shantou low pressure alarm, and simplified “floating” is less than the rated value, the mill can not Safe to start. 1 Fault Check The main bearing mill for the dynamic and dynamic pressure sliding bearings, lubrication system supporting bearings for the high (low) pressure thin oil station. Grinding head, grinding tail have a high pressure pump, respectively, for oil. There is also a spare high-pressure pump. Thin oil station high pressure pump through the middle of the oil supply to the main bearing. High pressure low pressure failure