Why must the syngas enter the shell-and-tube methanol reactor at a 45-degree angle from the upper part of the tower?
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This post was last edited by Zhenzhen Youci on 2010-12-10 22:26. Why must the syngas enter the shell-and-tube methanol reactor at a 45-degree angle from the upper part of the tower?
It is designed to ensure even distribution of the reaction as the gas enters the tower; this is due to the high gas flow rate, and also to account for pipeline stress and thermal expansion. There aren’t really many requirements for this; it might have been changed during design to avoid conflicts with other pipes. Our unit has 60°.
Entering at a 45-degree angle is a relatively safe and even method of entry, which facilitates stable and secure distribution of the medium; it also results in less impact force. Just as entering tangentially to a separator helps with separation, this approach is driven primarily by process requirements and safety considerations