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A至D成品油长输管线投产至今已输送4000万吨成品油,其中因顺序输送而形成的混油切割关系到油品的质量及安全,本文对该管线的顺序输送情况进行了概述,对理论上的混油长度计算给出了计算公式,并对实际运行过程中调度中心对输油混油界面的确定、预报情况进行了计算,对混油段的密度计算及切割进行了分析总结,同时对减少混油的措施进行了阐述。
A to D refined oil long-distance pipeline has been put into operation 40 million tons of refined oil products, which formed by the sequential delivery of the oil cutting is related to the quality and safety of oil, the pipeline in the order of delivery of the situation are summarized, the Theoretical calculation of the mixed oil length gives the calculation formula, and in the actual operation of the scheduling center of the oil mixed oil determination of the interface, the situation was calculated, the mixed section of the density calculation and cutting were analyzed and summarized, At the same time, measures to reduce oil mixing are described.