联合循环发电厂脱碳热力学研究

IF 0.9 Q3 ENGINEERING, MULTIDISCIPLINARY
Azaria Haykal Ahmad, P. Darmanto, F. B. Juangsa
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引用次数: 0

摘要

在天然气联合循环 (NGCC) 发电厂中集成氢气燃烧和碳捕集设备 (CCP),是一种很有前途的减少二氧化碳排放的策略。在本研究中,使用 Aspen PLUS 对 40 兆瓦涡轮燃气联合循环发电厂的氢气联合燃烧进行了过程模拟,在相同的燃气轮机入口温度(0%.cal 至 30%.cal)下进行。评估的情况是氢气联合燃烧与 CCP(氢气联合燃烧 + CCP)和氢气联合燃烧不与 CCP(氢气联合燃烧)。结果显示,氢气每增加 5%,二氧化碳排放量减少 6%,但氮氧化物排放量增加。随着氢气联合燃烧量的增加,氢气联合燃烧的净功率有所下降,而氢气联合燃烧 + CCP 的净功率有所上升,但由于碳捕集装置的能量损失,仍低于方案 2。由于 CCP 的使用,H2 协同燃烧 + CCP 的资本成本超过了 H2 协同燃烧的资本成本,从而影响了总收入。敏感性分析表明,与 CCP 成本相比,氢气成本的敏感性更高。建议降低氢气价格,以有效减少 NGCC 的 CO2 排放。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermodynamic Study on Decarbonization of Combined Cycle Power Plant
Integrating hydrogen firing and a carbon capture plant (CCP) into a natural gas combined cycle (NGCC) power plant is a promising strategy for reducing CO2. In this study, process simulation in Aspen PLUS of hydrogen co-firing in a 40 MW turbine gas combined cycle power plant was done at an identical gas turbine inlet temperature from 0%.cal to 30%.cal. The evaluated cases were hydrogen co-firing with CCP (H2 Co-firing + CCP) and hydrogen co-firing without CCP (H2 Co-firing). The results showed a 6% CO2 emission reduction per 5% increase in hydrogen, albeit with increased NOx emissions. H2 Co-firing experienced a decrease in net power with rising hydrogen co-firing, while H2 Co-firing + CCP saw an increase but remained below Case 2 due to the energy penalty from the carbon capture plant. The capital cost of H2 Co-firing + CCP exceeds that of H2 Co-firing due to CCP usage, impacting gross revenue. The sensitivity analysis indicated that the cost of hydrogen has higher sensitivity compared to the cost of CCP. Lowering hydrogen prices is recommended to effectively reduce CO2 emissions in NGCC.
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来源期刊
Journal of Engineering and Technological Sciences
Journal of Engineering and Technological Sciences ENGINEERING, MULTIDISCIPLINARY-
CiteScore
2.30
自引率
11.10%
发文量
77
审稿时长
24 weeks
期刊介绍: Journal of Engineering and Technological Sciences welcomes full research articles in the area of Engineering Sciences from the following subject areas: Aerospace Engineering, Biotechnology, Chemical Engineering, Civil Engineering, Electrical Engineering, Engineering Physics, Environmental Engineering, Industrial Engineering, Information Engineering, Mechanical Engineering, Material Science and Engineering, Manufacturing Processes, Microelectronics, Mining Engineering, Petroleum Engineering, and other application of physical, biological, chemical and mathematical sciences in engineering. Authors are invited to submit articles that have not been published previously and are not under consideration elsewhere.
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