开式循环吸收式热泵是用于燃气潜热及水回收的新技术.本文建立了开式循环吸收式热泵系统变工况分析模型.首先,在设计条件下,进行了系统设计及性能模拟;其次,在系统确定条件下,改变输入参数,进行了系统变工况性能的分析.结果显示,在选择参数变化范围内,系统性能变化不大,运行比较稳定,变工况性能较好.烟气温度、流量及冷却水温度、流量增加时,系统性能系数及水回收率变化相反,实际过程中可以作为互相调节的参数,简化了调节手段.输出热负荷相同条件下,烟气湿度增加时系统性能变化较小,系统变工况性能最稳定,最利于系统的稳定运行.
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