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首页> 外文期刊>Proceedings of the Institution of Civil Engineers >Analysis of a supercritical organic Rankine cycle for low-grade waste heat recovery
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Analysis of a supercritical organic Rankine cycle for low-grade waste heat recovery

机译:用于低品位余热回收的超临界有机朗肯循环分析

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摘要

The organic Rankine cycle (ORC) is an important method of producing electricity from industrial waste heat and renewable energy resources. This paper presents a thermo-economic analysis of a supercritical ORC for low-grade waste heat recovery using four working fluids. Based on the first law of thermodynamics, R152a was found to be the best performing fluid, producing the highest values for net power production and thermal efficiency. When the mass flow of waste heat is about 1 t/h and at an evaporation temperature of 136 degrees C, the petroleum saved is 12.3 m(3)/year and carbon dioxide emissions are reduced by 41.2 t/year.
机译:有机朗肯循环(ORC)是一种利用工业废热和可再生能源发电的重要方法。本文介绍了使用四种工作流体进行低品位废热回收的超临界ORC的热经济分析。根据热力学第一定律,R152a被认为是性能最好的流体,其净发电量和热效率最高。当废热的质量流量约为1 t / h且蒸发温度为136°C时,节省的石油量为12.3 m(3)/年,二氧化碳排放量减少41.2 t /年。

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