Stab-in reboilers

Reboilers are sometimes inserted into the bottom of a tower. These are called stab-in reboilers. It is not a terribly good idea, because it makes it more difficult to fix a leaking or fouled reboiler, without opening the tower itself. However, the kettle reboiler, shown in Fig. 5.7, has essentially the same process performance characteristics as the stab-in reboiler, but is entirely external to the tower. 

Stab-in reboiler A reboiler tube bundle inserted directly into the base of a tower. 

Reboilers are sometimes inserted into the bottom of a tower. These are called "stab-in" reboilers. It is not a terribly good idea, because... 

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