Previous works on thermo economic optimization mainly focus on directly calculating exergy input into the system.

早期热经济学优化主要着眼于直接计算输入到系统的火用。

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In this paper, the optimization relationship of Striling refrigerator on finite time exergy economic performance is dirived, and is discussed.

本文导出了斯特林致冷机有限时间经济性能优化关系，并进行了讨论。

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The problems of steam supply system of refinery and steam balance principles are studied, several energy loss cases are analyzed by exergy concept, and energy utilization optimization is discussed.

分析了炼油厂蒸汽系统存在的问题和平衡的原则。用（?）概念计算分析了几个造成能量损失的过程，探讨了优化方向并进行了实例分析。

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