着眼于初温为300～600℃的中温烟气余热动力回收,以单位质量烟气的循环净输出功(循环比净功)最大为优化目标,对CO2跨临界循环(CO2-TC)以及分别引入全回热、分流回热(部分冷却)措施形成的改进型循环,进行了性能优化对比分析.结果表明,全回热CO2-TC的比净功和循环热效率明显高于CO2-TC;在烟气初温较高的情形下,分流回热CO2-TC有最高的循环热效率,但比净功输出较低.
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