采用不同工质的新型菲涅耳反射镜太阳能orc驱动制氢系统的设计与比较研究

IF 6.4 2区工程技术 Q1 THERMODYNAMICS

Case Studies in Thermal Engineering Pub Date : 2025-04-22 DOI:10.1016/j.csite.2025.106187

Gang Wang , Shaoxuan Zhang , Tianlin Zou

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引用次数: 0

摘要

本文提出了一种新型的线性菲涅耳反射式太阳能有机朗肯循环驱动制氢系统，该系统由热能储存系统、有机朗肯循环和质子交换膜制氢装置组成。利用Ebsilon软件，对采用环己烷、丙烷、甲苯、己烷、R123、R11和R143A等7种不同有机工质的制氢系统的运行、火用和经济性能进行了评价和比较。分析结果表明，以己烷为有机工质时，系统净输出功率最大，循环效率最高，产氢率最高（2325.3 kW, 20.8%, 36.0 kg·h-1），运行性能最佳。此外，使用己烷的系统总体火用损失最小（19.58 MW），总体火用效率最高（18.4%），而使用R11的系统总体火用损失最大（21.78 MW），总体火用效率最低（9.24%）。此外，采用己烷的系统具有最低的氢气平准化成本，最短的投资回收期和最大的净现值（4.97美元·kg-1, 4.7年和4780万美元），具有最佳的经济效益。总的来说，与其他六种有机工质相比，采用己烷的制氢系统具有最佳的操作性能、动力性和经济性。

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Design and comparison study of a novel linear Fresnel reflector solar ORC-driven hydrogen production system using different working fluids

This paper presents a novel linear Fresnel reflector solar organic Rankine cycle-driven hydrogen production system consisting of thermal energy storage system, organic Rankine cycle and proton exchange membrane hydrogen production device. By using Ebsilon software, operation, exergy and economic performances of the proposed hydrogen production system using seven different organic working fluids are evaluated and compared, including cyclohexane, propane, toluene, hexane, R123, R11 and R143A. The analysis results show that when hexane is used as the organic working fluid, the proposed system has the largest net output power, highest cycle efficiency and largest hydrogen production rate (2325.3 kW, 20.8 % and 36.0 kg·h^-1), showing the best operation performance. In addition, the proposed system using hexane has the smallest overall exergy loss (19.58 MW) and highest overall exergy efficiency (18.4 %), while the system using R11 has the largest overall exergy loss (21.78 MW) and lowest overall exergy efficiency (9.24 %). Furthermore, the proposed system using hexane has the lowest levelized cost of hydrogen, smallest payback period and largest net present value (4.97 $·kg^-1, 4.7 years and 47.8 million USD), showing the best economic performance. In general, compared with other six organic working fluids, the proposed hydrogen production system using hexane has the best operation, exergy and economic performances.

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来源期刊

Case Studies in Thermal Engineering Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

8.60

自引率

11.80%

发文量

812

审稿时长

76 days

期刊介绍： Case Studies in Thermal Engineering provides a forum for the rapid publication of short, structured Case Studies in Thermal Engineering and related Short Communications. It provides an essential compendium of case studies for researchers and practitioners in the field of thermal engineering and others who are interested in aspects of thermal engineering cases that could affect other engineering processes. The journal not only publishes new and novel case studies, but also provides a forum for the publication of high quality descriptions of classic thermal engineering problems. The scope of the journal includes case studies of thermal engineering problems in components, devices and systems using existing experimental and numerical techniques in the areas of mechanical, aerospace, chemical, medical, thermal management for electronics, heat exchangers, regeneration, solar thermal energy, thermal storage, building energy conservation, and power generation. Case studies of thermal problems in other areas will also be considered.