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What is the approximate height of an propylene distillation tower?

2011-06-26View Original

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We simulated 196 plates, which results in a very large tower height. How is such a tower actually constructed in practice? If it can be divided into two parts, how should it be divided?
Reply #22011-06-26
Propylene towers are quite tall, with heights of 110 meters to 150 meters being common. Assuming a plate spacing of 500 mm, your tower would also fall within this range; each section would be around 50 meters long, and dividing it into two sections gives an approximate value. In actual construction, the tower is too tall, making lifting difficult and increasing costs significantly. Use as few segments as possible.
Reply #32011-06-26
For this newly built 200,000 tons/year atmosphere project, the propylene purification towers A/B are 59,674 MM in height
Reply #42011-06-27
I’ve seen ones with a board spacing of 400 mm and a tower height of 100 m, but they shake violently at the top
Reply #52011-06-27
Hehe, that’s interesting to know. Our tallest tower is 80 meters tall and is used for separating compounds with high boiling points. I’m asking everyone: can’t it be divided into several towers connected in series?
Reply #62011-06-27
Our company’s propylene distillation column is divided into two sections, each 59 meters high, with a total of 192 trays. The distillate from the top of tower A is fed into the bottom of tower B, while the fluid at the bottom of tower B is pumped to the top of tower A. The operation at the top of tower B follows the same principles as in a conventional distillation column.
Reply #72016-01-26
But how do you draw the CAD diagram of the main equipment of the tower?
Reply #82016-01-27
Draw the CAD diagrams of the main equipment of the tower in segments.
Reply #92016-01-27
Does that mean draw one for the distillation section and one for the stripping section? Could you please provide a more detailed explanation on how to divide the drawing into sections? Thank you!

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