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Sulzer BFW Pump failure

Posted: Sun Aug 06, 2017 10:07 am
by Kadi
A Sulzer boiler feed water pump failure several time by axial thrust where in same case we lost completely the shaft. the pump driver by SIEMENS and Electrical motor. is it the case for same ammonia plant ???


REGARDS

Re: Sulzer BFW Pump failure

Posted: Fri Aug 18, 2017 5:42 am
by Ionel
Please give complete history of failures and remedies actions to understand phenomenon.

Re: Sulzer BFW Pump failure

Posted: Mon Sep 25, 2017 7:40 am
by Kadi
kindly find a preliminary report for the pump incident

Re: Sulzer BFW Pump failure

Posted: Thu Apr 18, 2019 3:18 am
by pinakvadher
Is this problem resolved? If yes, please share the RCFA report for learning to all & if no, we can discuss upon it.

Re: Sulzer BFW Pump failure

Posted: Sat Nov 21, 2020 3:12 pm
by asif
The most probable root cause of failure seems that either balancing line was choked or blocked due to any reason. The other reason may be worn seals of balance drum which could not function which overloaded the thrust bearing pads.