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本文以理想供热网模型和两种常用供热气轮机组为基础,研究各种规模热电厂的热化系数和供回水温度的最佳范围,以及它们的最佳组合。目标函数为计算期内单位供热量的节约额现值。数学模型考虑了建设分期和负荷的动态发展,管道经济比摩阻,管网的阻力平衡,系统的安全措施以及中间加压泵等,比较接近实际。
Based on the ideal heating network model and two common heating gas turbine units, this paper studies the optimal ranges of the thermalization coefficient and the temperature of the water supply and return water for various scale thermal power plants, and their optimal combination. The objective function is the present value of the unit of heat supply savings during the calculation period. The mathematical model takes into account the dynamic development of the construction period and load, the frictional ratio of the pipeline economy, the resistance balance of the pipeline network, the safety measures of the system and the intermediate pressure pump, etc., which are relatively close to reality.