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首页> 外文期刊>Chemical Engineering & Technology: Industrial Chemistry -Plant Equipment -Process Engineering -Biotechnology >Retrofitting of the Heat Exchanger Network with Steam Generation in a Crude Oil Distillation Unit
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Retrofitting of the Heat Exchanger Network with Steam Generation in a Crude Oil Distillation Unit

机译：在原油蒸馏装置中用蒸汽对热交换器网络进行改造

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摘要

Steam generation through hot streams has an important impact on the utility consumption of a crude oil distillation unit. Retrofitting of the heat exchanger network with steam generation in a crude oil distillation unit is studied with regard to efficient energy usage. The grand composite curve is employed to provide insights into the steam generation problem, and a mixed-integer linear programming model, presented previously for heat integration through hot discharges/feeds and steam generation, is used to obtain the optimal parameters for steam generation. Three heuristic rules are then proposed to determine suitable hot streams for steam generation. Finally, the heat exchanger network is modified based on pinch technology. After the retrofit, the hot and cold utility decrease.
机译：通过热流产生的蒸汽对原油蒸馏装置的公用事业消耗有重要影响。就有效的能源利用而言，研究了在原油蒸馏装置中用蒸汽产生的热交换器网络的改造。使用大的合成曲线可提供有关蒸汽产生问题的见解，并且使用先前提出的通过热排料/进料和蒸汽产生进行热集成的混合整数线性规划模型来获得用于蒸汽产生的最佳参数。然后提出了三种启发式规则，以确定适合于产生蒸汽的热流。最后，基于夹点技术对热交换器网络进行了修改。改造后，冷热效用降低。

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