基于天然气分布式联供的多能互补综合能源系统在工业项目中的应用  

Application of multi-energy complementary comprehensive energy system based on distributed natural gas supply in industrial projects

作　　者：王肖祎 许波[2] 潘佳 杨爽 Wang Xiaoyi;Xu Bo;Pan Jia;Yang Shuang(Southeast University Architectural Design and Research Institute Company,Nanjing 210096,China;College of Energy and Environment,Southeast University,Nanjing 210096,China;Jiangsu Datang International Jintan Thermal Power Generation Co.,Ltd.,Changzhou 213200,China)

机构地区：[1]东南大学建筑设计研究院有限公司,江苏南京210096 [2]东南大学能源与环境学院,江苏南京210096 [3]江苏大唐国际金坛热电有限责任公司,江苏常州213200

出　　处：《新能源科技》2023年第2期32-37,共6页New energy technology

基　　金：江苏省级绿色建筑发展专项(2021ZD26)。

摘　　要：随着“双碳”目标的提出,我国电力系统低碳转型将是必经之路。多能互补综合能源系统具有清洁、低碳、绿色、高效等特点。文章以江苏某工业项目为例,对其冷、热、电、气等用能需求进行分析,并根据负荷需求,设计了适用于该工业项目的多能互补综合能源供应系统,采用内燃机+余热锅炉+溴化锂机组结合光伏、地源热泵系统的技术方案。技术经济性和节能效益评价结果显示,系统利用峰谷电价差,错峰运行,在降低成本的同时起到了“削峰填谷”的作用,具有一定的经济效益和环境效益。多能互补系统采用部分可再生能源,能耗低、碳排放量低。该系统适用于在周边有稳定的且价格合理的天然气供能场景,具有一定的推广意义。With the proposal of the“dual carbon”goal,the low-carbon transformation of China’s power system is be an inevitable direction.The multi energy complementary comprehensive energy system has the characteristics of clean,low-carbon,green,and efficient.This paper has proposed a multi-energy complementary comprehensive energy supply system using the internal combustion engine+waste heat boiler+lithium bromide unit combined with photovoltaic and ground source heat pump system with analyzing the energy demands for cold、heat、electricity and gas based on an industrial project in Jiangsu Province.The evaluation results of technical economy and energy saving efficiency show that:the system has certain economic benefits with utilizing the difference of peak-valley electricity price and off-peak operation which can reduce the cost and plays the role of“peak cutting and valley filling”,meanwhile the multi-energy complementary system has the characteristics of low energy consumption and low carbon emissions by using part of renewable energy.The system has a certain promotion significance when there is a stable and reasonable price of natural gas around.

关 键 词：多能互补 综合能源系统 天然气分布式 光伏 热泵 技术经济性 

分 类 号：TK-9[动力工程及工程热物理]