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Yep it does look pretty thin and yeah its open to the atmosfere via a stack., so the piping where the tails gas tube is connected to the incinerator and then distributes the tails, should be modeled as part of the piping system and then have the burner nozzles checked in the interconnection with...

@georgeverghese well from what i can see in the plans, it doesn't seem like so, would you like me to share them with you in private? EDIT: I've checked again and yes, it seems like it is anchored to refractory brick. EDIT 2: It seems like, the tail gas pipe connects into another pipe, which is...

@mk3223 you are right, the calculated stress from a FEA is to be compared with maximum allowable stress as stated in UG-23 depending on the material of the nozzle. @georgeverghese (I think i'm the ignorant in this discussion, are you talking to me directly?) - In my case i'm focusing on the...

@mk3223 yes i reviewed the procedure in the book, makes sense and its really simple. However i´m trying to validate that with a statement in the norm, like a maximum or a rule that suggest having the stress below something, because the norm obviously is not going to mention that book.

@mk3223 thanks will check it out too. Ive reading ASME SEC VIII-1, it doesnt have like a table with permisible loads for nozzles as far as i can see, is there a maximum allowable stress in the nozzles stated in the norm?. Need to get really into the norm. Edit: I guess depending on the material...

@mk3223 Thanks a lot for the input, since it is a preassure vessel, then ASME/BPVC SEC VIII-1 / ASME/BPVC SEC VIII-2 should have the information required for this, correct?

@georgeverghese thanks for the help here, i will check this. I also was thinking ASME VIII, Div I could have some information about it.

Hello to all and thanks in advance for your attention, There is a project i'm working on that requires a flexibility test to be conducted in the piping system and also in the nozzles of a incinerator, the incinerator is meant to treat tail gas (from a sulphur recovery system), which is why a...

Hello to all and thanks in advance for your attention, There is a project i'm working on that requires a flexibility test to be conducted in the piping system and also in the nozzles of a incinerator, the incinerator is meant to treat tail gas (from a sulphur recovery system), which is why a...