提出一种新型分布式功冷联产系统,有机整合了小型燃气轮机、氨水蒸汽动力装置和吸收式制冷装置.燃机排烟的高温热量用于驱动氨水蒸汽动力装置做功,烟气低温热量和氨水透平排汽热量用于驱动吸收式制冷装置,实现了烟气余热的梯级利用.模拟结果表明,新系统的等效发电效率和(火用)效率分别为45.3％和35.5％,比参比系统分别高出7.5和8.6个百分点.系统(火用)分析和参数敏感性分析表明,燃机排烟余热的梯级利用是系统性能提高的主要原因.新系统为提高分布式供能系统的总体性能提供了一种新方法.
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