离心泵是用来输送液体的机械,无论是在矿井中还是地面工业厂房中,都是重要设备,其运行状态的好坏直接关系到企业的经济效益。选煤厂广泛应用离心泵进行供水、输送煤浆和重介悬浮液。我选煤厂现使用的离心泵有30多台,如果泵不能正常运行,对整个选煤系统将产生较大的影响。我们有 Centrifugal pump is used to transport liquid machinery, whether in the mine or ground industrial plant, are important equipment, and its operating status is directly related to the economic efficiency of enterprises. Coal preparation plant widely used centrifugal pump for water supply, conveying coal slurry and heavy medium suspension. At present, there are more than 30 centrifugal pumps used in the coal preparation plant. If the pump can not operate normally, the entire coal preparation system will have a greater impact. We have