Calculation for double-sheet plate with stuffing box
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Currently, SW6 has a calculation module for double tube sheets, but I don’t know whether the connection type and length between the tube sheet and the heat exchange tubes in that module should be based on the inner tube sheet or the outer tube sheet Please, experts, share your opinions. Additionally, one end of this device features a stuffing box design; should it be counted twice? This is the first time I have calculated using such a structure, so I would appreciate any guidance from everyone.
The double-wall design for the stuffing box has not been used before; this design is employed in situations where mixing is not allowed. The stuffing box itself is not suitable for use in environments with highly hazardous media, so there are likely issues with its structural design. Additionally, when specifying the connection method for the double-wall components, welding should be selected (if the outer wall is welded), as the software assumes that the inner wall is connected by expansion fitting by default. However, the software sets the pulling force required for expansion fitting at 2 MPa, and this value needs to be modified manually to reflect a stronger connection.