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Please explain, expert, the principle of the reboiler in a distillation tower, as well as the functions of the top condenser and reflux

2017-10-04View Original

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Please explain, expert, the principle of the reboiler in a distillation tower, as well as the purposes of the top condenser and reflux Thank you so much!
Reply #22017-10-04
A reboiler provides heat for column distillation. The condenser is used to cool the material at the top of the tower. Reflux is used to cool the material at the top of the tower in order to maintain the pressure and purity at the tower’s top.
Reply #32017-10-04
The reboiler supplies heat to the stream in the distillation column, while the top condenser cools the vaporized stream. Reflux is used to control the temperature within the column, further separate the streams, and improve their purity.
Reply #42017-10-04
The reboiler supplies heat to the material in the distillation column; the top condenser cools the vaporized material. Reflux enhances heat and mass transfer between gas and liquid within the column, regulates the temperature at the top of the column, increases the concentration of the products at both the top and bottom of the column, and thereby improves the efficiency of distillation
Reply #52017-10-05
Poster, I’m borrowing this thread – we are working on a project related to the advanced processing of liquefied gas, and we suspect that our reboiler is leaking liquefied gas. What should we do? Are there any practical methods?
Reply #62017-10-05
Was liquefied gas detected at the steam outlet of the reboiler? The combustible gas alarm will keep sounding an alarm!
Reply #72017-10-06
The awkward thing is that our reboiler is a bit too high, while the combustible gas alarm is a bit too low; the liquid that comes out of the steam drain valve has a noticeable propane smell to it. We are having a professional construction team carry out the repairs. Thank you!
Reply #82017-10-06
That means there’s a leak; the outlet cooler of the centrifuge in my plant is also leaking – it’s a leak specific to the shutdown process, and it’s of the shell-and-tube type.
Reply #92017-10-06
That means there’s a leak; the outlet cooler of the centrifuge in my plant is also leaking – it’s a leak specific to the shutdown process, and it’s of the shell-and-tube type.
Reply #102017-10-06
Well, we are currently in the process of repairs. But the timeline might stretch a bit.

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