Optimizing kitchen ventilation with integrated stove air supply and fume exhaust: enhancing PM2.5 capture efficiency and energy-saving effect.

IF 2 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Environmental Technology Pub Date : 2025-09-01 Epub Date: 2025-05-12 DOI:10.1080/09593330.2025.2500783
Chong Li, Yu Liu, Hongqiang Ma, Xinmei Luo
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引用次数: 0

Abstract

Fume exhaust devices play an important role in creating healthy kitchen environment. Integrated stove is an emerging side suction fume exhaust device with an exhaust outlet closer to the emission source. In capturing fumes, the integrated stove is a great improvement over the previous top suction fume exhaust device. For further optimizing the control effect of integrated stove on fumes and reducing the pollution of kitchen environment by cooking, this study proposed a new kitchen ventilation approach with integrated stove air supply and fume exhaust (ISASFE). Its performance of capturing fine particulate matter (PM2.5), a typical pollutant in fumes, and its energy-saving effects were investigated. Employing a blend of orthogonal design and CFD simulations, five key factors affecting its operational effectiveness were analyzed deeply. The fume exhaust effectiveness of ISASFE was assessed utilizing capture efficiency. The energy-saving effect of ISASFE under different emission rates was analyzed by using polynomial fitting and actual measurement methods. Results demonstrate downward air supply speed and exhaust rate as the most crucial factors, with upward air supply speed, downward air angle, and emission rate following in importance. Compared to the conventional stove without air supply, ISASFE exhibited enhanced capture efficiency by 1.8% at low, 13.9% at medium, and 14.5% at high emission rates, respectively. The energy saving rate of ISASFE was 23%-42%. The new ventilation strategy proposed in this study not only enhanced the PM2.5 capture efficiency of the side suction integrated stove, but also helped to reduce the kitchen ventilation energy consumption.

炉具送风排烟一体化优化厨房通风:提高PM2.5捕获效率和节能效果。
排烟装置在创造健康的厨房环境中起着重要的作用。集成炉是一种新兴的侧吸式排烟装置,排烟口靠近排放源。在捕获烟雾方面,集成炉比以前的顶吸排烟装置有了很大的改进。为进一步优化一体化灶具对油烟的控制效果,减少烹饪对厨房环境的污染,本研究提出了一种新型灶具送风排烟一体化厨房通风方式(ISASFE)。对其捕集烟气中典型污染物细颗粒物(PM2.5)的性能和节能效果进行了研究。采用正交设计和CFD模拟相结合的方法,对影响其作战效能的五个关键因素进行了深入分析。利用捕集效率评估了ISASFE的排烟效果。采用多项式拟合和实测相结合的方法,分析了不同排放速率下ISASFE的节能效果。结果表明,下送风速度和排风量是最重要的影响因素,其次是上送风速度、下送风角度和排风量。与无送风的传统炉相比,ISASFE在低排放率、中排放率和高排放率下的捕获效率分别提高了1.8%、13.9%和14.5%。ISASFE的节能率为23% ~ 42%。本研究提出的新型通风策略不仅提高了侧吸式一体化炉灶的PM2.5捕集效率,还有助于降低厨房通风能耗。
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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来源期刊
Environmental Technology
Environmental Technology 环境科学-环境科学
CiteScore
6.50
自引率
3.60%
发文量
0
审稿时长
4 months
期刊介绍: Environmental Technology is a leading journal for the rapid publication of science and technology papers on a wide range of topics in applied environmental studies, from environmental engineering to environmental biotechnology, the circular economy, municipal and industrial wastewater management, drinking-water treatment, air- and water-pollution control, solid-waste management, industrial hygiene and associated technologies. Environmental Technology is intended to provide rapid publication of new developments in environmental technology. The journal has an international readership with a broad scientific base. Contributions will be accepted from scientists and engineers in industry, government and universities. Accepted manuscripts are generally published within four months. Please note that Environmental Technology does not publish any review papers unless for a specified special issue which is decided by the Editor. Please do submit your review papers to our sister journal Environmental Technology Reviews at http://www.tandfonline.com/toc/tetr20/current
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