I would like to ask how to determine the design pressure of a heat exchanger?
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Could some expert please help verify the design pressure of the heat exchanger? Thank you. Operating pressure: 0.25/0.45 MPaG for the shell side, and 0.15/0.02 MPaG for the tube side. What should be the design pressures for the shell side and the tube side? Are there any standards for learning knowledge in this area? Please give me some advice; thanks~!
We generally multiply the maximum operating pressure by 1.1.
All are positive pressures; the design pressure should be taken as the highest value. At the same time, the maximum pressure difference must also be taken into account when designing the tube sheet. If there are negative pressures, those must also be considered. For specific design pressures, 150 can be used as a reference :)
Regarding what you mentioned, would 0.5 MPa for the shell side and 0.5 MPa for the tube side work?
Thank you so much for your answers~!
HG/T20580-2011 provides detailed instructions
It is divided into shell-side and tube-side design pressures, with the design pressure for each side generally being 1.2 times the operating pressure.