油焦浆发动机排气中的颗粒物特性分析

向立明; 李兴虎

油焦浆发动机排气中的颗粒物特性分析

北京航空航天大学交通科学与工程学院, 北京 100191

基金项目: 国家科技支撑计划资助项目(2007BAA09B05)

详细信息

作者简介:
向立明(1975-),男,湖南邵阳人,博士生,xlm106@ae.buaa.edu.cn.

中图分类号: TK421.5
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出版历程
- 收稿日期: 2011-01-13
- 网络出版日期: 2011-11-30

Analysis of features of particulate matters emitted from engine fueled with petroleum coke slurry

School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 运用扫描电子显微镜、X射线能谱仪和热重分析仪对油焦浆和0^#柴油燃烧产生的颗粒物样品以及制备油焦浆用的石油焦颗粒样品进行了检测和分析.研究结果表明:油焦浆燃烧产生的颗粒物排列稀疏,柴油燃烧产生的颗粒物互相粘结,排列紧密.油焦浆燃烧产生的颗粒物尺寸比石油焦颗粒稍大,比柴油燃烧产生的颗粒物稍小.油焦浆燃烧产生的颗粒物表面C,O和S 3种主要元素含量与柴油燃烧产生的颗粒物表面3种主要元素含量比较接近,但C和S元素含量比石油焦颗粒低,O元素含量比石油焦颗粒高.油焦浆燃烧产生的颗粒物挥发分含量比石油焦颗粒多,但比柴油燃烧产生的颗粒物少;固定碳含量比石油焦颗粒少,比柴油燃烧产生的颗粒物多.最后,油焦浆燃烧产生的颗粒物与柴油燃烧产生的颗粒物中固定碳着火和燃尽温度比较接近,但都比石油焦颗粒中固定碳着火和燃尽温度高.
- 柴油 /
- 石油焦 /
- 发动机 /
- 颗粒物排放
Abstract: Scanning electron microscope, X-ray energy dispersive spectroscopy and thermal gravimetric analyzer were used to detect the surface structure, chemical component and combustion characteristics of petroleum coke particulate matter (PM) samples and PM samples from the exhausts of engine fueled with petroleum coke slurry (PCS) and No. 0 diesel fuel respectively. The results show that PM samples from PCS array sparsely, but PM samples from diesel array closely, cohering mutually. The diameter of PM from PCS is somewhat bigger than that of petroleum coke PM, but in some sort smaller than that of PM from diesel. The superficial major element contents of PM from PCS, such as C, O and S element, are close to those of PM from diesel. But the C and S element contents of PM from PCS are lower than those of petroleum coke, and O element content is higher than that of petroleum coke. The volatile component concentration of PM from PCS is higher than that of petroleum coke, but lower than that of PM from diesel. The fixed carbon content of PM from PCS is lower than that of petroleum coke, but higher than that of PM from diesel. The ignition temperature and burnout temperature of fixed carbon content of PM from PCS and diesel are similar, but both are higher than those of petroleum coke.
- diesel fuels /
- petroleum coke /
- engines /
- particulate emissions

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参考文献(1)

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