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Effects of Metallic Heating Plates on Coal Pyrolysis Behavior in a Fixed-Bed Reactor Enhanced with Internals
Hu, Erfeng1,2,3; Zeng, Xi2; Wang, Fang2; Li, Yuan3; Yi, Xiaojian4; Fu, Xiaoheng1
2017-03-01
发表期刊ENERGY & FUELS
ISSN0887-0624
卷号31期号:3页码:2716-2721
摘要A newly configured fixed-bed reactor with internals has been proposed to enhance the coal pyrolysis performance. In this study, the effects of metallic plates on coal pyrolysis behavior were investigated in this reactor. The results show that the increased quantity of the metallic plates enhanced the heat transfer and shortened the residence time of volatiles within the coal particles. In addition, the pressure drop results suggest that the increased quantity of plates caused short circuiting of gas and raised the particle interstices, which reduced the gas diffusion resistance of pyrolysis products. Therefore, more gaseous pyrolysis products flowed into central low-temperature coal bed and escaped from the gas collection pipe, suppressing the secondary reaction of pyrolysis products and increasing the tar yield and quality. At a furnace temperature of 900 degrees C, the increase in metallic plates from 0 to 8 raised the tar yield and light tar fraction from 5.20 and 69.5 wt % to 7.86 and 77.0 wt %, respectively. Meanwhile, the <= C-14 hydrocarbons were elevated from 42.11 to 50.44 wt %, but the >= C-20 hydrocarbons were lowered from 29.95 to 19.74 wt %. However, an excessive increase in plates raised the heating rate of coal, cracking more pyrolysis products and decreasing the tar yield and quality.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.energyfuels.6b02975
收录类别SCI
语种英语
关键词[WOS]OIL-SHALE PYROLYSIS ; HIGH-QUALITY TAR ; IN-SITU ; GASIFICATION ; CONVERSION ; OXIDATION ; PRESSURE ; MOISTURE ; REMOVAL ; CHARS
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
项目资助者National High-Tech Research and Development Projects(2015AA050505-02) ; Major Program of the National Natural Science Foundation of China(U1302273)
WOS记录号WOS:000396970400063
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22090
专题多相复杂系统国家重点实验室
作者单位1.China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Univ New Brunswick, Dept Chem Engn, Fredericton, NB E3B 5A3, Canada
4.China North Ind Grp Corp, Res Inst 1, Dept Overall Technol, Beijing 100072, Peoples R China
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GB/T 7714
Hu, Erfeng,Zeng, Xi,Wang, Fang,et al. Effects of Metallic Heating Plates on Coal Pyrolysis Behavior in a Fixed-Bed Reactor Enhanced with Internals[J]. ENERGY & FUELS,2017,31(3):2716-2721.
APA Hu, Erfeng,Zeng, Xi,Wang, Fang,Li, Yuan,Yi, Xiaojian,&Fu, Xiaoheng.(2017).Effects of Metallic Heating Plates on Coal Pyrolysis Behavior in a Fixed-Bed Reactor Enhanced with Internals.ENERGY & FUELS,31(3),2716-2721.
MLA Hu, Erfeng,et al."Effects of Metallic Heating Plates on Coal Pyrolysis Behavior in a Fixed-Bed Reactor Enhanced with Internals".ENERGY & FUELS 31.3(2017):2716-2721.
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