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油页岩热解挥发分产物二次反应对油气收率与组成的影响

张玉明 管俊涛 乔沛 李家州 张炜

张玉明, 管俊涛, 乔沛, 李家州, 张炜. 油页岩热解挥发分产物二次反应对油气收率与组成的影响[J]. 燃料化学学报. doi: 10.1016/S1872-5813(21)60046-4
引用本文: 张玉明, 管俊涛, 乔沛, 李家州, 张炜. 油页岩热解挥发分产物二次反应对油气收率与组成的影响[J]. 燃料化学学报. doi: 10.1016/S1872-5813(21)60046-4
ZHANG Yu-ming, GUAN Jun-tao, QIAO Pei, LI Jia-zhou, ZHANG Wei. Effects of secondary reaction of primary volatiles on oil/gas yield and quality in oil shale pyrolysis[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(21)60046-4
Citation: ZHANG Yu-ming, GUAN Jun-tao, QIAO Pei, LI Jia-zhou, ZHANG Wei. Effects of secondary reaction of primary volatiles on oil/gas yield and quality in oil shale pyrolysis[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(21)60046-4

油页岩热解挥发分产物二次反应对油气收率与组成的影响

doi: 10.1016/S1872-5813(21)60046-4
基金项目: 国家自然科学基金(U1862107),国家重点研发计划(2018YFE0183600)和中国石油大学(北京)科研基金(20200127)资助
详细信息
    通讯作者:

    E-mail: ymzhcup@163.com

  • 中图分类号: TE662

Effects of secondary reaction of primary volatiles on oil/gas yield and quality in oil shale pyrolysis

Funds: The project was supported by the National Natural Science Foundation (U1862107), National Key R&D Program of China (2018YFE0183600) and Science Foundation of China University of Petroleum, Beijing (20200127)
More Information
  • 摘要: 采用两段反应器对油页岩热解释放的一次挥发分产物进行不同热态条件下的二次反应特性研究,考察第二段温度、气氛与停留时间对油气收率及品质的影响。研究结果表明,转化温度对油气产率的影响最明显,在优化第一段热解反应条件的基础上,当反应器第二段温度由600 ℃提高到650 ℃时,油页岩热解油产率下降15%(质量分数,下同),气体产率增加约20%。与氮气气氛相比,水蒸气作为第二段反应气氛能够提高液体油品收率约5%,并且热解油主要集中在馏程 < 350 ℃的汽柴油馏分。结合GC-MS分析表明,停留时间0~3 s二次反应主要为裂解过程,水蒸气能够提高油品中芳烃含量,同时抑制芳烃缩聚;3~5 s二次反应主要为缩聚过程,焦炭生成量增加,汽柴油馏分收率保持稳定,VGO馏分油收率下降约30%。
  • 图  1  实验装置流程示意图

    Figure  1.  Schematic diagram of experimental apparatus

    图  2  不同温度与停留时间下水蒸气添加对热解油气产量变化的影响

    Figure  2.  Pyrolysis oil and gas yield varying with volatile residence time, temperature and steam addition

    图  3  油页岩热解气体组成随停留时间的变化

    Figure  3.  Gas yield per kilogram oil shale varying with residence time

    图  4  不同停留时间下热解油减少量和气体增加量的相对变化关系

    Figure  4.  The relative change of pyrolysis oil decrease and gas increase under different volatile residence time

    图  5  油页岩热解油模拟蒸馏所得的馏程组分变化

    Figure  5.  Shale oil composition and shale oil yield at different residence time

    图  6  不同停留时间和二段反应气氛下油页岩热解烃类组分含量

    Figure  6.  The hydrocarbon contents of oil shale pyrolysis under different residence time and second-stage reaction atmosphere

    (PAH: Poly-aromatic hydrocarbon; SAH: Single-aromatic hydrocarbon; CH: Cyclo-paraffin hydrocarbon; AH: Alkane hydrocarbon)

    图  7  添加水蒸气以及不同停留时间油页岩热解油脂肪烃产量的对比

    Figure  7.  Comparison of aliphatic hydrocarbon with different carbon numbers at residence time of 1, 3, and 5 s

    (S-600 1 s—N-600 1 s: The difference value between S-600 and N-600 at the residence time of 1 s)

    表  1  桦甸油页岩工业分析、元素分析和铝甑分析

    Table  1.   Proximate, ultimate and Fischer assay analysis of Huadian oil shale

    Proximate analysis wd/%Ultimate analysis wad/%Fischer assay wad/%
    AVFCCHO*NSOilGasWaterCoke
    49.9433.1416.9234.323.5611.020.890.7811.309.623.9275.16
    d: dry basis; ad: air-dried basis; *: calculated by difference
    下载: 导出CSV
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  • 网络出版日期:  2021-03-30

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