“VIBRATION IN VERTICAL CENTRIFUGAL PUMP”

Mechanical Department

In popl CAN III plant there is a problem of vibration in a vertical turbine P19501 pump’s of cooling tower of CNAIII plant. But for the solution of that vibration problem we should have some knowledge of pump operation and working and the possible causes of vibration in pump. We should find some basic causes of vibration in pump by searching in pump handbooks. The Engineers at popl use different tool to find vibration in pump and use spectrum graph to find magnitude of pump. They show us some method how to identify vibration in pumps and give us some specific knowledge about vibration causes in pumps, how to identify its magnitude and how to reduce vibration in pumps. So in our IDP we find out the solution for reducing vibration in vertical turbine centrifugal pump (P19501).So first in our IDP we enumerate some methods of identifying vibration in pump and some possible cause of vibration. We found out that the possible cause of vibration in pump is due to its structure and it is due to either weight of the motor placed at higher cause maximum vibration or due to improper misalignment between upper and lower base part of pump. So we use some methods to reduce it and it is explain in our IDP.

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