Analysis of centrifugal pump vibration and solutions

The causes of centrifugal pump vibration are analyzed,such as insufficient pump suction height,too low operating flowrate,insufficient light ends separation,blocking of pump inlet pipeline,improper design of pump flow pass and pump impeller vane,non-symmetry of pump shaft and poor fixing of pump body,etc.The corrections are recommended like raising the liquid height at the suction of pump and reducing lengths of pump inlet pipelines and pipe fittings,adding minimal flow recycle line,cleaning out foreign materials in the pipeline,improving internal construction design of pumps and consolidating pump body,etc.