面向工业电热综合能源系统的蒸汽管存效应研究

Research on steam pipe storage effect of integrated electricity and heat energy systems for industry

为研究蒸汽系统的热惯性从而解决工业园区低碳能源系统调度难题,提出了反映蒸汽时空传输特性的蒸汽系统动态分析模型,建立包括5个存储关键参数和3个指标的蒸汽储能虚拟模型,用于量化热惯量。对163节点城市规模蒸汽系统运行过程中的热惯量进行了量化,其中该蒸汽网络在0.5 h调度周期下的净储热量可达7 440.3 kg,放能能力达到了10.16 t,平均放能利用率达到了14.59%,为工业园区蒸汽系统分析和运行优化提供了定量依据。

In order to investigate the thermal inertia of steam systems and address the scheduling challenges of lowcarbon energy systems in industrial parks,a dynamic analysis model reflecting the spatiotemporal transmission of steam is proposed.A virtual steam pipe energy storage model is established,incorporating 5 key storage parameters and 3 indicators to quantify thermal inertia.The thermal inertia of a 163-node urban-scale steam system during operation is quantified,revealing a net stored heat of 7,440.3 kilograms and a discharge capacity of 10.16 tons within a 0.5-hour scheduling cycle,and an average discharge utilization rate of 14.59%.This paper provides quantitative basis for the analysis and optimization of steam systems in industrial parks.