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首页> 外文期刊>Energy Conversion & Management >Recovering waste heat of a solar hybrid power plant using a Kalina cycle and desalination unit: A sustainability (emergo-economic and emergo-environmenal) approach
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Recovering waste heat of a solar hybrid power plant using a Kalina cycle and desalination unit: A sustainability (emergo-economic and emergo-environmenal) approach

机译：使用Kalina循环和海水淡化单位回收太阳能混合动力厂的废热：可持续性（emergo-经济和emergo-envirmenal）方法

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摘要

One of the most critical issues in configuration selection, design, and optimization of energy systems is access to an efficient system considering all the sustainability limitations. Therefore, in this paper, three scenarios for utilizing the waste heat from a solar gas turbine power plant with a sustainability approach have been investigated. In these scenarios, the waste heat is used as a heat source of a Kalina cycle, a multi-effect water desalination (MED) unit, and combined Kalina/MED, respectively. For the analysis of these scenarios, the thermodynamic modeling is performed, and in the next step, emergo-economic and emergo-environmenal analysis is performed. To evaluate the modeling, the results have been verified using other researches. Based on the mentioned modeling methods, the considered scenarios have been compared with each other from different aspects, and the best configuration has been selected. In the final step, the multi-objective optimizations were performed to maximize energy efficiency, monetary performance, and ecological performance of the proposed cycles. For optimization, a robust optimization algorithm, particle swarm optimization (PSO), is implemented. The results show that using both the Kalina cycle and desalination unit can improve the energy and exergy efficiency of the plant by 11.4 and 6.02. However, the case where only the desalination unit was employed had the highest monetary and ecological performance by 87.25 and 88.11%, which were increased to 90.3 and 97.8% after the optimization, showing a significant improvement compared to the base cycle.
机译：能量系统的配置选择，设计和优化中最关键的问题之一是考虑所有可持续性限制的有效系统。因此，在本文中，已经研究了利用具有可持续性方法的太阳能燃气轮机发电厂的废热的三种场景。在这些场景中，废热分别用作Kalina循环的热源，多效水脱盐（MED）单元和Kalina / Med组合。为了分析这些情景，进行热力学建模，并且在下一步中，进行了emergo-经济和emergo-envirmenal分析。为了评估建模，结果已经使用其他研究进行了验证。基于提到的建模方法，所考虑的方案已经与不同方面相互比较，并且已经选择了最佳配置。在最后一步中，进行多目标优化以最大限度地提高所提出的循环的能效，货币性能和生态性能。为了优化，实现了一种鲁棒优化算法，粒子群优化（PSO）。结果表明，使用Kalina循环和海水淡化单元可以通过11.4和6.02提高植物的能量和漏极效率。然而，仅采用脱盐单元的情况具有87.25和88.11％的最高货币和生态性能，优化后的90.3％和97.8％，显示出与基本循环相比显着改善。

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