O2/CO2气氛中水蒸气预混CH4燃烧特性与烟气余热梯级利用方案

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任昕¹，张引弟^1,2*，刘畅¹，王珂¹

1. 长江大学石油工程学院，湖北武汉 430100 2. 加拿大国家研究院测量科学与标准研究中心，加拿大渥太华

收稿日期:2018-12-27修回日期:2019-03-11出版日期:2019-10-22发布日期:2019-10-22
通讯作者:张引弟

基金资助:国家留学基金资助项目;中国石油科技创新基金资助项目;国家自然科学基金资助项目 (U1302274);长江青年科技创新团队基金资助项目

Combustion characteristics of steam premixed CH₄ in O₂/CO₂ atmosphere and cascade utilization process of flue gas waste heat

Xin REN¹, Yindi ZHANG^1,2*, Chang LIU¹, Ke WANG¹

1. College of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China 2. Measurement Science and Standards, National Research Council Canada, Ottawa, Canada

Received:2018-12-27Revised:2019-03-11Online:2019-10-22Published:2019-10-22

Supported by:;Projects (U1302274) supported by the National Science Foundation of China

摘要/Abstract

摘要： 对O2/CO2气氛中甲烷预混水蒸气燃烧特性及主要污染物生成进行了数值模拟研究，在加湿燃烧的基础上提出一种全新的清洁燃烧方式，即在保证甲烷流量一定时，通过改变入口处水蒸气的质量分数，研究水蒸气预混比Rf(0, 0.1, 0.2, 0.3, 0.4和0.5)对燃烧流场、燃烧组分和污染物浓度的影响。结果表明，随Rf增大，燃烧反应速率上升、燃烧效率提高且污染物排放量降低。模拟所得甲烷预混水蒸气的最优气氛为81%CH4/19%H2O，提出了一种高效节能的O2/CO2气氛下水蒸气预混CH4燃烧与烟气余热梯级利用方案。

引用本文

任昕张引弟刘畅王珂. O₂/CO₂气氛中水蒸气预混CH₄燃烧特性与烟气余热梯级利用方案[J]. 过程工程学报, 2019, 19(5): 1047-1056.
Xin REN Yindi ZHANG Chang LIU Ke WANG. Combustion characteristics of steam premixed CH₄ in O₂/CO₂ atmosphere and cascade utilization process of flue gas waste heat[J]. Chin. J. Process Eng., 2019, 19(5): 1047-1056.

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