基于光伏+熔盐储热的园区系统研究

Research on Park System Based on Photovoltaic+Molten Salt Heat Storage

为降低企业碳排放总量和强度,提出一种基于光伏+熔盐储热的园区系统方案。首先对熔盐储热技术的应用特点、工作原理、适用场景进行分析,然后提出光伏+熔盐储热调度方法,并建立调度模型;其次对比原方法、加装光伏和加装光伏+熔盐储热的成本,验证该方法可有效降低企业能耗成本;最后对光伏装机容量、上网电价和熔盐储热罐容量进行关键因素灵敏度分析。

In order to reduce the total carbon emission and intensity of enterprises,a park system scheme based on photovoltaic+molten salt heat storage was proposed.Firstly,the application characteristics,working principle and application scenarios of molten salt heat storage technology are analyzed,and then the photovoltaic+molten salt heat storage scheduling method is proposed,and the scheduling model is established.Secondly,by comparing the cost of the original method,the photovoltaic plus the photovoltaic plus molten salt heat storage,the method can effectively reduce the energy consumption cost of enterprises.Finally,the sensitivity analysis of key factors of photovoltaic installed capacity,on-grid electricity price and molten salt heat storage tank capacity is carried out.