Sulzer BFW Pump failure

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Kadi
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Sulzer BFW Pump failure

Post 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
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Ionel
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Joined: Fri Aug 18, 2017 5:26 am
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Re: Sulzer BFW Pump failure

Post by Ionel »

Please give complete history of failures and remedies actions to understand phenomenon.
Kadi
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Re: Sulzer BFW Pump failure

Post by Kadi »

kindly find a preliminary report for the pump incident
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pinakvadher
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Re: Sulzer BFW Pump failure

Post by pinakvadher »

Is this problem resolved? If yes, please share the RCFA report for learning to all & if no, we can discuss upon it.
asif
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Re: Sulzer BFW Pump failure

Post 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.
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