摘要
为了应对日益严峻的气候变化问题,在全球碳减排的大背景下,无碳燃料的发展面临着巨大的机遇。氨能源的开发是实现“双碳”目标的有效措施,在10 kW(输入功率)甲烷掺氨实验台上,进行了甲烷和氨气掺混扩散燃烧实验研究,并且结合化学反应器网络(CRN)分析了不同输入功率、当量比和掺氨比例等条件下的氨气/甲烷燃烧和排放特性。结果表明:甲烷对氨气的燃烧起到了明显的促进和稳定作用,然而仅掺入热值分数为9.1%的氨气即可使NO排放量急剧增加;采用轴向空气分级策略可显著降低NO_(x)排放和未燃氨气的逃逸,并且随着氨气比例的提高,燃烧室出口温度升高。
In order to solve the increasingly serious problem of climate change,the development of carbon-free fuels is exposed to a huge opportunity on the background of global carbon emission reduction.Meanwhile,the development of ammonia energy is an effective measure to achieve carbon peak and carbon neutrality.On a 10 kW(input power)laboratory bench with ammonia-blended methane,experimental researches were conducted on the diffusive combustion of mixed methane and ammonia,while combined with chemical reactor network(CRN),analyses were carried out for the combustion and emission characteristics of ammonia/methane under different input powers,equivalence ratios and blending ratios.Results show that methane has a significant effect on promoting and stabilizing the ammonia combustion,but the NO emission would be dramatically increased with the ammonia heat value fraction of only 9.1%.The strategy of axial air staging can be applied to reduce the NO_(x)and unburned NH 3 emissions,and the combustion chamber outlet temperature can be increased with a increase of ammonia-blended proportion.
作者
王健
尚天坤
王文欢
姚宁宁
亢连伟
韦立明
许奇宇
潘卫国
WANG Jian;SHANG Tiankun;WANG Wenhuan;YAO Ningning;KANG Lianwei;WEI Liming;XU Qiyu;PAN Weiguo(Shanghai Minghua Electric Power Technology Co.,Ltd.,Shanghai 200090,China;College of Energy and Mechanical Engineering,Shanghai University of Electric Power,Shanghai 201306,China;Shanghai Environmental Protection Engineering Technology Research Center,Shanghai 201306,China)
出处
《动力工程学报》
北大核心
2025年第9期1396-1402,共7页
Journal of Chinese Society of Power Engineering
基金
上海市科委项目-部分地方院校能力建设资助项目(19020500900)。
作者简介
王健(1971-),男,江苏盐城人,高级工程师,硕士研究生,研究方向为锅炉燃烧优化和烟气排放控制;通信作者:王文欢,女,满族,工程师,硕士研究生,E-mail:huan0618@126.com。
