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Hydraulics For Kettle Type Reboiler


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#1 purvamehta_5

purvamehta_5

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Posted 24 February 2020 - 08:32 PM

Greetings everyone. Can someone help me understand how does hydraulics work around kettle type reboilers for distillation column. From reading online its necessary to perform this calculation to set the elevation of the reboiler with respect to grade and with respect to the column.

 

Any guidance will be greatly appreciated.

 

Thanks



#2 Chemitofreak

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Posted 25 February 2020 - 01:57 AM

If you are carrying out thermal design of the Reboiler in HTRI there is a tab in the same wherein one can carry out the hydraulics.

 

You can also google to get some good resources/articles



#3 Bobby Strain

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Posted 25 February 2020 - 01:08 PM

For a new design it's best to feed the kettle from a draw tray. This arrangement will make use of the column sump capacity. You set the overflow weir about 300 mm above the sump high liquid. Maintain sufficient head from the draw tray to the reboiler baffle based on the return vapor pressure drop. Sketch the arrangement and the hydraulic calculations will be obvious to you.

 

Bobby



#4 breizh

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Posted 01 March 2020 - 12:23 AM

Hi,

Consider the resource attached.

note : let you get a copy of :Process heat transfer , principle, applications and rules of thumb by Robert W. Serth

Good luck

Breizh 

Attached Files


Edited by breizh, 02 March 2020 - 01:23 AM.





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