风光耦合制氢合成氨系统整体建模与特性分析  

Integral Modeling and Characteristic Analysis of Wind-solar Coupled Hydrogen Production and Ammonia Synthesis System

作　　者：孟令轩 朱学辉 周建新[1] 司风琪[1] MENG Lingxuan;ZHU Xuehui;ZHOU Jianxin;SI Fengqi(College of Energy and Environment,Southeast University,Nanjing,China,210096;Ningxia Carbon Neutral(Wuzhong)Technology Innovation Center,Wuzhong,China,751900)

机构地区：[1]东南大学能源与环境学院,江苏南京210096 [2]宁夏碳中和(吴忠)技术创新中心,宁夏吴忠751900

出　　处：《热能动力工程》2025年第1期141-149,共9页Journal of Engineering for Thermal Energy and Power

摘　　要：为了解决可再生能源波动性和氢能储运安全性的问题,以某氢氨谷风光耦合制氢合成氨系统为研究对象,建立光伏发电系统、风力发电系统、质子交换膜电解池、氢储罐系统和合成氨系统的机理模型,基于SIMULINK仿真平台实现了系统在四季典型日条件下的整体模型仿真,分析风光出力特性、氢氨产率特性、反应器温度特性和系统运行柔性对系统整体特性的影响。结果表明:风光耦合技术可大幅提高系统供能稳定性;质子交换膜电解池的负荷响应速度较快,而合成氨系统的负荷响应时间约1 h,从而制约风光耦合制氢合成氨系统整体负荷响应速度;产氢速率通过改变原料气与催化剂的接触时长影响氨合成效率,并与反应器温度呈负相关关系;风光出力的不确定性可造成系统异常停运及风光能源废弃,从而影响系统运行的可靠性和经济性,需要对其进行柔性运行优化。In order to solve the problem of the fluctuation of renewable energy and the safety of hydrogen energy storage and transformation,taking a wind-solar coupled hydrogen production and ammonia sythesis system of hydrogen and ammonia valley as the research object,the integral mechanism model of the sys-tem was established based on photovoltaic power generation system,wind power generation system,pro-ton exchange membrane electrolytic cell,hydrogen storage tank system and ammonia synthesis system.The integral model simulation of the system under typical daily conditions in four seasons was realized based on SIMULINK simulation platform,and the integral characteristics of the system were analyzed from the characteristics of solar power output,hydrogen ammonia yield,reactor temperature and system operat-ing flexibility.The results show that the wind-solar coupling technology can greatly improve the energy supply stability of the system.The load response speed of the proton exchange membrane electrolytic cell is relatively fast,while the load response time of the ammonia synthesis system is about 1 hour,which is the main factor restricting the integral load response speed of the wind-solar coupled hydrogen production and ammonia synthesis system.The hydrogen production rate affects the ammonia synthesis efficiency by changing the contact time between feedstock gas and catalyst,which makes it negatively correlated with the reactor temperature.The uncertainty of wind-solar output will cause damage to the system such as ab-normal outage and wind-solar energy waste,thereby affecting the reliability and economy of the system operation,so it is necessary to carry out flexible operation optimization.

关 键 词：风光耦合制氢合成氨 整体建模 特性分析 运行柔性 

分 类 号：TK91[动力工程及工程热物理]