How is the design pressure of the initial distillation tower in atmospheric and vacuum distillation (the setting pressure of the safety valve) determined?
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I have a question: in atmospheric and vacuum distillation, the operating pressure of the initial distillation tower is at atmospheric pressure, while the design pressure is 0.35 MPag (which is also the setting pressure for the safety valve). How is this value of 0.35 determined?
3.5barg？ Is it that high? I think 0.35 barg is considered normal
According to the design specifications, when the design pressure is less than 0.35, it shall be designed based on 0.35.
Oh, may I ask which design regulation it is? I can’t find any basis for it
There’s no standard, I guess, but everyone does it this way