How to determine whether an expansion joint is needed on the jacket body of jacketed equipment?
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There is a significant temperature difference between the inner cylinder of the jacketed equipment and the jacket; the client is asking whether an expansion joint needs to be installed on the jacket body How do I determine whether an expansion joint is needed?
The original poster did not provide more detailed data. If both the lower head and the cylinder have jackets, it is free expansion, and there is no need to install expansion joints at all. If there is only a jacket on the cylinder, it is necessary to calculate the shear stress at the weld seam at the sealing point as well as the axial stress in the cylinder/jacket; if these values exceed the allowable limits, expansion joints must be installed.
There is a jacket only on the cylinder. Could you be more specific about what is meant by \"excessive shear stress at the seal welds and axial stress in the cylinder/jacket, which requires the installation of expansion joints\"?