A comparative analysis of several schemes of coolant supply to reflux condenser built into a multi-stage poppet diabatic rectification column was carried out. With changes in the coolant supply scheme the thermal characteristics of the column change, which affects the separation efficiency. The conducted studies show that the most advantageous scheme for supplying coolant to the built-in reflux condenser on the stages is a parallel one, which, in addition, allows regulation of coolant flow in each stage of the diabatic rectification column. It is shown that the main resistance to heat transfer (more than 74.2% for all the studied coolant supply schemes) is concentrated in heat transfer from the liquid condensing on the outer surface of the reflux condenser pipes.
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, Vol. 58, No. 10, pp. 6−10, October, 2022.
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Madyshev, I.N., Dmitrieva, O.S., Mayasova, A.O. et al. Evaluation of Technological Parameters of Diabatic Rectification Column Operation with Various Schemes of Coolant Supply to Built-In Reflux Condensers on the Stages. Chem Petrol Eng 58, 814–821 (2023). https://doi.org/10.1007/s10556-023-01167-8
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DOI: https://doi.org/10.1007/s10556-023-01167-8