槽式聚光光伏-光热化学互补系统中吸热反应管性能研究

Performance Analysis of Solar Receiver/Reactor of the Trough Concentrated Photovoltaic-thermochemical Hybrid System

本文以槽式聚光光伏-光热化学互补系统为对象,并以甲醇裂解反应为例,探究了该系统内的吸热反应管在入射光谱仅为透过的红外光谱波段时的性能。研究结果表明,当几何聚光比为21.4时,透射到吸热反应管的红外光谱能量转化为太阳能燃料化学能的效率可达54%~58%。此外,还研究了太阳直射辐射强度、甲醇进口流量、甲醇进口温度等关键运行参数对吸热反应管中反应管温度、甲醇转化率等的影响。本文的研究工作为探索聚光光伏-光热化学互补方法提供了一种可能。

In this paper,performance of solar receiver/reactor of the trough concentrated photovoltaicthermochemical hybrid system is examined.Here,the concentrated infrared radiation is used to drive methanol decomposition reaction in the solar receiver/reactor.The research results show that.while geometrical concentrating ratio is 21.4.efficiency of infrared spectra energy to chemical energy of solar fuel could reach 54%~58%.Furthermore,influence of some key running parameters,including direct normal irradiance.methanol feeding rate and methanol inlet temperature,on temperature of reaction tube and methanol conversion ratio of the solar receiver/reactor,is emphatically investigated.The research provides a possibility for the exploration of concentrated pliotovoltaic-thermochemical complementary method.