Line List Emergency Conditions

[NPC5]

Suppose that I am looking at a water knockout drum. I have a stream coming from a tower at 225 F, going through an exchanger being cooled by cooling water down to 100 F and entering the water knockout drum. The exiting streams are the two separated process and water streams. I have set the emergency conditions for my incoming stream as the case where cooling water is lost and the incoming stream can see temperatures of 225 F. Should the exiting streams also be designed for that emergency condition?

 

[ash9144]

Yes unless you have means to prevent the higher temperature liquid from exiting the drum.

 

[dcasto]

If the water KO drum and lines are rated for 225, then no.