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RE: Blowdown system

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Hello everyone,

I work at old Coker Unit and we are building new closed Blowdown system. We have some concerns regarding PSVs. Current PSV discharge upstream of the furnice is to our current open Blowdown system. Suggestion for the future is to discharge those PSVs to Main column bottom. We are afraid because of the pressure diference (35bar upstream of the furnice and 3 bar in the Main column).
Does anyone have any experience with that? If yes, please share. We would appreciate it.

Thank you!

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