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OALib Journal期刊
ISSN: 2333-9721
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综合利用低品位余热与lng冷能的复合循环系统
, PP. 49-55
Keywords: 低品味余热,超临界,co2循环,液化天然气,lng冷能,有机朗肯循环,热力学分析,回收利用
Abstract:
提出了一种可以实现低品位热能与液化天然气(lng)冷能综合利用的复合式循环系统,以实现不同温度区间的循环匹配及热能梯级利用，并运用热力学定律对循环系统各部分性能进行热力性能分析,研究了复合循环系统各部分关键参数对系统性能的影响。结果表明:在给定工作条件下,系统的净发电效率和可用能效率分别达到了39.4%和47.33%；系统性能受循环工质状态参数和质量流量变化的共同影响,两者的综合作用效果决定了系统的优化方向。
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