How to fill in the difference in thickness between tube sheet and tube sheet flange
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Taking the above tube sheet as an example, how should I fill in the thickness difference between the tube sheet and the tube sheet flange?
Thank you, isn’t it 9? I don’t care about groove 3 on the shell side. It has already been filled in, right?
Anyway, the thickness of the tube sheet is 38, and the thickness of the tube sheet flange is 32: lol The thickness of the tube sheet includes the thickness of the shell side slotting (personal understanding)
The groove depth of the shell side structure is 3 (3 at the bottom), and the thickness difference between the tube sheet and the tube sheet flange is: (38-32)=6.
The thickness difference between the tube sheet and the tube sheet flange, the meaning of this parameter is: In addition to the thickness of the tube plate (here it is 38), we need the thickness of the end of the tube plate (i.e. the tube plate flange) to ensure that the difference between the thickness of the tube plate flange and the thickness of the pipe box flange should not be too large. If it is too large, a large bolt torque will be generated, which will affect the sealing performance.
The groove depth of the shell side structure is compared with the corrosion allowance. The thickness difference between the tube sheet and the tube sheet flange is 9mm.
:handshake agrees
It can be understood as the height of the boss and the convex surface