二甲醚重整制氢反应器设计与优化  

Design and optimization of dimethyl ether steam reforming reactor

作　　者：徐迪 许宏阳 XU Di;XU Hongyang(Department of Mechanical and Electrical Engineering,Shandong Business Institute,Yantai 265199,Shandong,China)

机构地区：[1]山东商务职业学院智能制造学院,山东烟台265199

出　　处：《农业装备与车辆工程》2024年第6期76-80,共5页Agricultural Equipment & Vehicle Engineering

摘　　要：为提高车载二甲醚燃料电池能源转化效率,建立二甲醚重整制氢反应系统数值模型,并利用COMSOL软件求解,通过结构优化模型优化重整反应器内部结构,获得更高的二甲醚转化率,分析反应条件对二甲醚转化和制氢的影响;建立重整制氢工业系统的仿真,得到不同工况、不同内部结构重整反应装置的热效率。结果表明,通过结构优化二甲醚蒸汽重整反应系统可获得91%的二甲醚转化率、89%的产氢率,单管反应器最高可获得75%的系统热效率。In order to improve the energy conversion efficiency of on-board dimethyl ether (DME) fuel cells, a numerical model of the DME reforming-to-hydrogen reaction system was developed and solved using COMSOL. The numerical results from the simulation and experiments were consistent. The structural optimization model was used to optimize the internal structure of the reformer reactor to obtain higher DME conversion and to analyse the effect of reaction conditions on DME conversion and hydrogen production. A simulation of the reforming to hydrogen industrial system was established to obtain the thermal efficiency of the reforming reactor with different structures under different operating conditions. The results showed that, through structural optimization, the DME steam reforming reaction system could achieve 91% DME conversion, 89% hydrogen production and up to 75% system thermal efficiency for a single tube reactor.

关 键 词：重整制氢 数值模型 结构优化 热效率 

分 类 号：U469.7[机械工程—车辆工程]