February 2022

Heat Transfer

Case study: Challenges in the selection of a helical baffled exchanger

In a greenfield project, a proprietary heat exchangera has been found to be preferable to conventional shell-and-tube (S&T) exchangers to optimize the total lifecycle cost (i.e., capital, operating, installation and maintenance costs).

In a greenfield project, a proprietary heat exchangera has been found to be preferable to conventional shell-and-tube (S&T) exchangers to optimize the total lifecycle cost (i.e., capital, operating, installation and maintenance costs). In a crude preheat train, where the operating fluids are highly fouling and viscous, the unique geometry of the heat exchanger offers lower operating and maintenance costs, outweighing the higher capital cost and optimizing the total lifecycle costs of these exchangers. This article demonstrates that in a typical crude preheat train, a detailed comparative study between conventional S&T exchangers and the proprietary heat exchangera is required before

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