Abstract In this paper, an energy level analysis model of oil transfer station system is established, which is divided into oil transfer station subsystem and pipeline network subsystem. From the perspective of the level of energy, the system is evaluated and optimized by virtue of using energy level analysis method and combining with the ”three box” analysis model. Moreover, the energy level evaluation indexes of import and export, energy level difference and energy level balance coefficient, are calculated in terms of the calculation results. Then the energy utilization diagrams (EUD) are drawn, it can be seen that more than 95% of the supply energy in the oil transfer station subsystem is provided by gas. The energy level difference of the heating furnace is the largest, which can be seen intuitively that the heating furnace is the weak link of energy utilization in the whole system. Based on the influencing factors, the corresponding energy saving and consumption reduction measures are preliminarily proposed.

中文翻译：

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输油站系统能源利用薄弱环节研究——能级分析方法的启示

摘要 本文建立了输油站系统能级分析模型，将其分为输油站子系统和管网子系统。从能级的角度，利用能级分析方法，结合“三箱”分析模型对系统进行评价和优化。并根据计算结果计算进出口能级评价指标、能级差值和能级平衡系数。然后绘制能源利用图（EUD），可以看出，中转站子系统95%以上的供应能源是由天然气提供的。加热炉的能级差最大，由此可以直观地看出，加热炉是整个系统中能源利用的薄弱环节。根据影响因素，初步提出了相应的节能降耗措施。