作　　者： ; ; ; ;

机构地区： 中国科学院工程热物理研究所

出　　处： 《工程热物理学报》 2005年第3期361-364,共4页

摘　　要： 本文通过太阳能分解甲醇燃料实验,来研究太阳能与化石燃料互补的能源利用系统的能量转换新机理,揭示减少燃料化学能释放过程(火用)损失和提升太阳热能品位的本质,并得到基于实验的量化依据。实验研究了反应过程能量品位关联机理和效果,并揭示了主要因素影响规律。太阳热能温度的升高,有利于分解反应的进行,但温度过高会负面影响品位提升的效果,260℃左右是较合理的;与太阳能甲醇分解反应装置规模对应的进料量条件是影响能量转换过程的关键因素,也将影响太阳热能品位提升效果。研究成果将为开拓太阳能与化石能源互补的能量系统提供理论支撑和实验数据。 The mechanism of energy conversion in the energy system integrating solar thermal energy and fossil energy, and the principle of reducing the chemical exergy loss and upgrading solar thermal energy grade in this system are studied, and quantified data are obtained. The change of energy grade and effects of main factors in the reaction are discussed. It is found that the higher temperature of the solar thermal energy favors decomposition of methanol, but over high temperature baffles upgrading solar energy, and the feasible temperature is about 260℃. In addition, feed flux is the key factor affecting the process of energy conversion, and it affects upgrading solar thermal energy. The research result will provide the useful theory and experimental data for the study of the energy system integrating solar thermal energy and fossil energy.

关 键 词： 太阳能 甲醇分解 能量转换 梯级利用机理

领　　域： [动力工程及工程热物理] [动力工程及工程热物理]