异丙醇-丙酮-氢化学热泵用于改善地热资源的热回收，中国案例研究

IF 9 1区工程技术 Q1 ENERGY & FUELS

Renewable Energy Pub Date : 2024-11-05 DOI:10.1016/j.renene.2024.121730

Zhengguang Liu , Lili Wang , Xiaohu Yang , Masoud Babaei

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引用次数: 0

摘要

本研究通过对异丙醇-丙酮-氢化学热泵（IAH-CHP）进行多目标优化，重点关注地热能的利用。本文构建了 IAH-CHP 与中低温地热热源的耦合模拟。中国是世界上最大的碳排放国，本文以中国为案例，突出环境效益。对比分析了化学热泵与其他常见供热设备在不同建筑中的碳排放量和投资。结果显示，IAH-CHP 系统的初始投资成本较高，但其二氧化碳排放量却明显较低。多目标分析结果表明，该系统可在帕累托（多目标）最优方案下运行。在该方案下，热量平准化成本（LCOH）仅为 0.12 美元/千焦，碳排放量低至 4.97 吨/年，性能系数（COP）为 7.4。与单目标最优解相比，可实现 8.12 吨的碳排放量和 0.15 美元/千焦的 LCOH。在中国应用 IAH-CHP 系统取代原有的燃煤供热方案，可在中低温热源地区实现年碳减排量超过 500 万吨。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Isopropanol-Acetone-Hydrogen chemical heat pumps for improved heat recovery from geothermal resources, A case study in China

This study focuses on geothermal energy utilization through multi-objective optimization of Isopropanol-Acetone-Hydrogen chemical heat pump (IAH-CHP). In this paper, IAH-CHP coupled with medium-low temperature geothermal heat source simulation was constructed. China, the world’s largest carbon emitter, was used as a case study to highlight environmental benefits. Comparative analysis was conducted between carbon emissions and investment of chemical heat pumps with other common heating equipment in different buildings. The results show IAH-CHP system has higher initial investment costs, however, their CO

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emissions are significantly lower. The results of multi-objective analysis demonstrate the system can operate under a Pareto (multi-objective) optimal scheme. Under this plan, the levelized cost of heat (LCOH) is only 0.12 USD/kJ, and the carbon emissions are as low as 4.97 tons/year with a coefficient of performance (COP) of 7.4. Compared with a single-objective optimal solution, 8.12 tons of carbon emissions and LCOH of 0.15 USD/kJ could be achieved. Applying IAH-CHP system to China to replace original coal-fired heating solution can achieve annual carbon emission reduction of more than 5 million tons in areas with medium and low temperature heat sources.

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来源期刊

Renewable Energy 工程技术-能源与燃料

CiteScore

18.40

自引率

9.20%

发文量

1955

审稿时长

6.6 months

期刊介绍： Renewable Energy journal is dedicated to advancing knowledge and disseminating insights on various topics and technologies within renewable energy systems and components. Our mission is to support researchers, engineers, economists, manufacturers, NGOs, associations, and societies in staying updated on new developments in their respective fields and applying alternative energy solutions to current practices. As an international, multidisciplinary journal in renewable energy engineering and research, we strive to be a premier peer-reviewed platform and a trusted source of original research and reviews in the field of renewable energy. Join us in our endeavor to drive innovation and progress in sustainable energy solutions.