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利用压力损失补偿方法提高气力提升装置性能研究

汪朝晖 杨霄 高全杰

汪朝晖, 杨霄, 高全杰. 利用压力损失补偿方法提高气力提升装置性能研究[J]. 机械科学与技术, 2018, 37(2): 193-198. doi: 10.13433/j.cnki.1003-8728.2018.0205
引用本文: 汪朝晖, 杨霄, 高全杰. 利用压力损失补偿方法提高气力提升装置性能研究[J]. 机械科学与技术, 2018, 37(2): 193-198. doi: 10.13433/j.cnki.1003-8728.2018.0205
Wang Zhaohui, Yang Xiao, Gao Quanjie. Study on Improving the Performance of Air Lift Device by Pressure Loss Compensation Method[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(2): 193-198. doi: 10.13433/j.cnki.1003-8728.2018.0205
Citation: Wang Zhaohui, Yang Xiao, Gao Quanjie. Study on Improving the Performance of Air Lift Device by Pressure Loss Compensation Method[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(2): 193-198. doi: 10.13433/j.cnki.1003-8728.2018.0205

利用压力损失补偿方法提高气力提升装置性能研究

doi: 10.13433/j.cnki.1003-8728.2018.0205
基金项目: 

国家自然科学基金项目(51405352)资助

详细信息
    作者简介:

    汪朝晖(1981-),教授,博士,研究方向为机械装备设计理论与方法,zhwang@wust.edu.cn

Study on Improving the Performance of Air Lift Device by Pressure Loss Compensation Method

  • 摘要: 基于多相流流型及垂直管道提升沿程压力损失机理,依据压力损失补偿方法,提出了管径"压力损失补偿系数"。结合模拟气力提升实验理论,建立了气力提升装置物理模型,设计了气力提升新型管道结构。计算了不同进气量和浸入率下压力损失补偿系数对气力提升排水量的影响,分析了不同压力损失补偿系数下的气力提升装置排水量及提升效率。研究结果表明:管径影响气力提升沿程压力损失,在一定范围内管径越大,管道沿程压力损失越小。合理的压力损失补偿系数能改变管道结构形状,减小管道摩擦阻力,进而降低气力提升过程中的管道压力损失并改变多相流流型相变点位置,提高气力提升装置效率。以排水量表征气力提升装置性能,不同进气量和浸入率下,压力损失补偿系数为正时,多相流流型受提升管道内压力损失影响降低,沿程气力提升装置排水量提高;压力损失补偿系数在0~4°逐渐增大,气力提升装置排水量先上升后趋于平稳;进气量为4.2 kg/h和2.5 kg/h时,排水量在压力损失补偿系数为2.5°~3°和0.7°~1°时达到较高值,其气力提升装置效率提高最大值分别为14.6%与9.5%。
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出版历程
  • 收稿日期:  2016-12-07
  • 刊出日期:  2018-02-25

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