Is it better to connect the condensers of the light-end tower in an inline configuration or in a parallel configuration for an MTBE plant?

Reply to 1# Guan Gongyu: I think parallel connection is better

This post was last edited by bestleemh on 2010-5-31 at 15:56. Our installation uses two condensers in parallel, while the actual installation uses them in series. Please discuss the advantages and disadvantages. Let me start by sharing what I know: the disadvantage of parallel operation is that it requires more space, but it puts less stress on the floor structure, which is beneficial for safety. Series is exactly the opposite. From a spatial perspective, the owner is mainly referring to this, but I think it should be discussed from the standpoint of heat transfer: parallel vs. series. First, consider the flow rate and the available pressure drop: if the flow rate is high and the available pressure drop is low, then parallel connection might be better ； Instead, in series. There’s also the temperature range for which you need condensation: a large temperature difference usually requires a series connection. If your device can meet the requirements either in parallel or in series, then choose the option that is more cost-effective, requires less space, and is easier to operate. Generally, for parallel operation a slightly larger diameter heat exchanger may be required (compared to series operation under the same process conditions); in other words, series operation is more economical and space-saving, provided that operation is convenient ； Because the flow velocity in series is high, the disturbance is strong, and the heat transfer coefficient is high.