瞬时弹射式蒸汽爆破处理生物质的能量模型及能耗理论分析

任天宝 高卫锴 苏同福 于正道 袁杭州 徐桂转 宋安东 张百良

任天宝, 高卫锴, 苏同福, 于正道, 袁杭州, 徐桂转, 宋安东, 张百良. 瞬时弹射式蒸汽爆破处理生物质的能量模型及能耗理论分析[J]. 高压物理学报, 2020, 34(5): 055901. doi: 10.11858/gywlxb.20200532
引用本文: 任天宝, 高卫锴, 苏同福, 于正道, 袁杭州, 徐桂转, 宋安东, 张百良. 瞬时弹射式蒸汽爆破处理生物质的能量模型及能耗理论分析[J]. 高压物理学报, 2020, 34(5): 055901. doi: 10.11858/gywlxb.20200532
REN Tianbao, GAO Weikai, SU Tongfu, YU Zhengdao, YUAN Hangzhou, XU Guizhuan, SONG Andong, ZHANG Bailiang. Energy Model and Energy Consumption Analysis of Biomass Pretreatment by Instant Catapult Steam Explosion[J]. Chinese Journal of High Pressure Physics, 2020, 34(5): 055901. doi: 10.11858/gywlxb.20200532
Citation: REN Tianbao, GAO Weikai, SU Tongfu, YU Zhengdao, YUAN Hangzhou, XU Guizhuan, SONG Andong, ZHANG Bailiang. Energy Model and Energy Consumption Analysis of Biomass Pretreatment by Instant Catapult Steam Explosion[J]. Chinese Journal of High Pressure Physics, 2020, 34(5): 055901. doi: 10.11858/gywlxb.20200532

瞬时弹射式蒸汽爆破处理生物质的能量模型及能耗理论分析

doi: 10.11858/gywlxb.20200532
基金项目: 国家自然科学基金(21406055);河南省青年骨干教师资助项目 (2020GGJS047);河南省高层次人才特殊支持项目(204200510018)
详细信息
    作者简介:

    任天宝(1981-),男,博士,副教授,主要从事生物质资源转化技术研究. E-mail:tianbao1016@126.com

    通讯作者:

    徐桂转(1972-),女,博士,教授,主要从事生物质能源转换及利用技术研究. E-mail:xuguizhuan@126.com

    宋安东(1972-),男,博士,教授,主要从事农业生物质转化和生物能源技术研究. E-mail:song1666@126.com

  • 中图分类号: O521.9; S216.2

Energy Model and Energy Consumption Analysis of Biomass Pretreatment by Instant Catapult Steam Explosion

  • 摘要: 在生物质资源化利用领域,蒸汽爆破技术是打破生物质抗降解屏障、实现生物炼制的关键技术途径,具有清洁、短时和高效的显著特点。针对生物质蒸汽爆破过程中能量消耗和能量平衡问题,基于传热学基本原理,对生物质蒸汽爆破过程中的能量组成和转化进行了分析,建立了生物质蒸汽爆破能耗模型,阐明了蒸汽爆破过程中蒸汽热能转换机械功,并利用能量模型对影响生物质蒸汽爆破预处理能耗因素进行能耗分析。结果表明:该模型可以较为准确地反映物质蒸汽爆破过程中的热能利用和转化过程,能够定量分析生物质蒸汽爆破过程中物料含水率、蒸汽爆破强度和装料量的能耗变化规律。研究结果为蒸汽爆破技术的生物液体燃料或生物炼制产业化应用提供了理论参考。

     

  • 图  蒸汽爆破反应器模型(a)和蒸汽爆破腔横截面(b)

    Figure  1.  Model of steam explosion reactor (a) and cross section of steam explosion chamber (b)

    图  不同蒸汽压力对单位物料能耗的影响

    Figure  2.  Effect of steam pressure on energy consumption

    图  不同含水率对能耗的影响

    Figure  3.  Effect of water content on energy consumption

    图  不同物料填装量对蒸汽耗能的影响

    Figure  4.  Effect of material filling ratio on energy consumption

    图  蒸汽保压时间对散热量的影响

    Figure  5.  Effect of holding time on heat dissipation

    图  爆破腔容积对散热的影响

    Figure  6.  Effect of explosion reactor volume on heat dissipation

    表  1  蒸汽爆破预处理过程中的能量流向组成

    Table  1.   Energy distribution of steam explosion unit

    Energy distributionEnergy/kJProportion/%
    Heat dissipation19.860.24
    Material internal energy change4.350.05
    Water increases internal energy187.062.27
    Exhausted steam energy200.562.43
    Mechanical work7836.4595.01
    Total energy8248.28100.00
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  • 收稿日期:  2020-03-30
  • 修回日期:  2020-07-05
  • 发布日期:  2020-09-25

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