Angle Scattering Method for Soot Concentration Measurement under Ultra-Low Emissions Condition

被引：0
|
作者：
Yang B. [1 ]
Zhu X. [1 ]
Deng J. [1 ]
Guo X. [1 ]
Han J. [2 ]
Liu X. [2 ]
机构：
[1] School of Energy and Power Engineering, Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, University of Shanghai for Science and Technology, Shanghai
[2] State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan
来源：
Energy Engineering: Journal of the Association of Energy Engineering | 2022年 / 119卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Angular scattering; Emission monitoring; Soot concentration; Ultra-low emission;
D O I：
10.32604/ee.2022.016079
中图分类号：
学科分类号：
摘要：
Aiming at the problem of soot concentration measurement under ultra-low emission conditions, a forward small angle soot concentration measurement method is proposed. Taking a typical boiler emission of 0.1 μm–3.0 μm bimodal distribution soot as an object, the particle scatter simulation calculation under different parameters is carried out, and the influence of detection angle and particle size on the angular scattering measurement of ultra-low emission soot is analyzed. The influence of detection angle and particle size on the angular scattering measurement of ultra-low emission soot is analyzed. Preferably, the wavelength of incident light is 650 nm, and the forward detection angle parameter is 15◦ for the design of forward small angle soot concentration measurement system. An experimental system for measuring soot with standard concentration is built. Experiments of particle concentration measurement of 1.0 μm and 3.0 μm under ultra-low emission conditions are carried out. The results show that the average deviation of soot concentration measurement is less than 0.10 mg/m3 under the condition of ultra-low emission by using 15◦ of forward detection, which provides an effective way for monitoring ultra-low emission soot concentration in coal-fired power plants. © 2022, Tech Science Press. All rights reserved.
引用
收藏
页码：511 / 522
页数：11
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