基于二氧化碳的工业用热电联产系统的技术经济评价

IF 1.4 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Silvia Trevisan, Syed Safeer Mehdi Shamsi, Simone Maccarini, Stefano Barberis, Rafael Guédez
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引用次数: 0

摘要

工业部门是财富的主要来源,约占全球生产总值的四分之一。然而,工业也是二氧化碳的主要排放源,它是实现全球二氧化碳减排目标的关键挑战。如今,工业供热占总能源需求的22%,产生了全球约40%的二氧化碳排放量。此外,工业部门最终能源需求的30%是电力。需要工业部门脱碳的解决方案。这项工作介绍了四种不同的基于熔盐的电力-供热-供热和电力解决方案的技术经济评估,旨在使工业部门脱碳,需要中温热量。在不同的电力市场条件下对该系统进行了研究。确定调度策略和系统规模以确保最佳的技术经济性能。调查的主要性能指标是热能和电力的平均成本(LCoH和LCoE)、运营支出以及相对于替代业务的常规解决方案可实现的节省。结果突出表明,拟议的系统具有成本竞争力,特别是在芬兰等电价低、每日价格波动大的市场。在这些地方,LCoE低至100欧元/兆瓦时,LCoH低于55欧元/兆瓦时,可以通过基本系统配置实现。高温热泵的引入可以进一步降低约50%的LCoH。本研究为进一步开展针对不同工业部门的电-热-热和电力技术经济研究奠定了基础,并确定了主要的系统设计策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Techno-Economic Assessment of CO2-Based Power to Heat to Power Systems for Industrial Applications
Abstract The industrial sector is a major source of wealth, producing about one-quarter of the global gross product. However, industry is also a major emitter of CO2 and it represents a key challenge toward achieving the worldwide CO2 emission reduction targets. Nowadays, about 22% of the overall energy demand is heating for the industrial sector, generating about 40% of the global CO2 emissions. Additionally, 30% of the final energy demand of the industrial sector is electricity. Solutions to decarbonize the industrial sector are needed. This work presents the techno-economic assessment of four different molten salts-based power-to-heat-to-heat and power solutions aiming at decarbonizing the industrial sector, requiring medium temperature heat. The systems are studied under different electric markets. Dispatch strategies and system sizing are identified to ensure optimal techno-economic performance. The main performance indicators investigated are the levelized cost of heat and electricity (LCoH and LCoE), the operational expenditure, and the attainable savings with respect to alternative business as usual solutions. The results highlight that the proposed system can be cost-competitive, particularly in markets characterized by low electricity prices and high daily price fluctuations, such as Finland. In these locations, LCoE as low as 100 €/MWh and LCoH lower than 55 €/MWh can be attained by the base system configuration. The introduction of high temperature heat pumps can provide further LCoH reduction of about 50%. This study sets the ground for further power-to-heat-to-heat and power techno-economic investigations addressing different industrial sectors and identifies main system design strategies.
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来源期刊
CiteScore
3.80
自引率
20.00%
发文量
292
审稿时长
2.0 months
期刊介绍: The ASME Journal of Engineering for Gas Turbines and Power publishes archival-quality papers in the areas of gas and steam turbine technology, nuclear engineering, internal combustion engines, and fossil power generation. It covers a broad spectrum of practical topics of interest to industry. Subject areas covered include: thermodynamics; fluid mechanics; heat transfer; and modeling; propulsion and power generation components and systems; combustion, fuels, and emissions; nuclear reactor systems and components; thermal hydraulics; heat exchangers; nuclear fuel technology and waste management; I. C. engines for marine, rail, and power generation; steam and hydro power generation; advanced cycles for fossil energy generation; pollution control and environmental effects.
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