Why do some bottom towers prefer to use built-in heat exchangers
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As the title suggests, I asked some owners, and they said that this approach results in lower costs. But then I thought that since it’s not a thermosiphon heat exchanger, a pump is needed for the reflux from the tower bottom; so is the cost really that low?
I saw a drawing; indeed, the tower bottom is refluxed using a pump
Thermal siphonage is difficult to design for immature processes. The operation is also certainly less stable than forced cycling.
I’ve learned it; it would be better if there was a screenshot of this structure
Having the heat exchanger built in offers many advantages: it takes up less space, reduces the need for pipes, and if the equipment is integrated, the cost should be lower~
Having worked for so long, I’ve never seen an internal heat exchanger
The one-time investment might be lower