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Re:High Pressure after Online spalling

Home Forums Coking High Pressure after Online spalling Re:High Pressure after Online spalling

#4433

Mike Kimbrell
Participant

Most of my experience for pressure transmitters at the heaters has had them be steam purged. I would leave the steam on during the spall so that the instrument connection would not coke up. 
 
I think it is possible that the instrument connection is restricted and the indicated pressure is slightly higher than actual.
 
I would always purge instruments connected to the process around the heater and the coke drums with steam to prevent them from becoming plugged up.

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