本文探索并提出控制CO2分离的低温太阳热能与清洁合成燃料甲醇-三氧化二铁化学链燃烧相结合的新颖能源动力系统.基于图象(火用)分析方法,明确地指出甲醇化学链燃烧能量释放过程燃烧(火用)损失减小和低温太阳热能品位提升的机理.从能源有效利用和环境相容出发,研究和揭示化学链燃烧与太阳能有机整合共同减小CO2分离能耗的特性规律.相比不分离常规联合循环,新系统(火用)效率提高约6.2个百分点;与分离CO2的联合循环相比,新系统(火用)效率提高约14.2个百分点.同时,低温太阳热能热转功效率可达到22.5%.
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