冷态工况下变截面管气泡泵提升特性试验研究  

Experimental Study on the Lifting Performance of Variable Cross-sectional Tube Bubble Pump under a Cold Condition

作　　者：陈永军[1] 刘道平[1] 眭阳 陆引哲[1] 赵荣祥[1] 

机构地区：[1]上海理工大学,上海200093 [2]湖州市人防(民防)指挥信息保障中心,浙江湖州313000

出　　处：《流体机械》2015年第3期47-51,82,共6页Fluid Machinery

基　　金：上海市研究生创新基金项目(JWCXSL1302);上海市教育委员会科研创新项目资助项目(13ZZ117)

摘　　要：目前气泡泵的驱动方式主要采用电加热,此过程运行周期长、操作复杂、数据误差较大、不利于探究气泡泵运行特性,针对这些问题本文采用气体输入法对变截面提升管气泡泵提升性能进行冷态模拟,探究不同截面形式下气泡泵提升性能。试验表明：在气体流量为5~10L/min时变截面管提升性能较佳,且冷态试验曲线的拐点进一步验证了弹状流趋势下液体提升量最高的论点;冷态对比分析中,气体流量在5~15L/min时变截面提升管提升效率高出19%,为气泡泵进一步优化设计提供方向,拓宽了气泡泵研究范围。Electrical heating is mainly used as heat source in experimental research on bubble pump. Operational cycle is long,operation is complicated,deviation is distinct,which is not conducive to study the bubble pump operating characteristics. In view of the above question the mass-lifted performance of the bubble pump with variable cross-sectional lifting tube is simulated under a cold condition using a device injecting air. The bubble pump lifting performance with different section form is experimentally investigated. The results show the variable cross-section tube bubble pump has a better lifting performance when the gas volume flow is 5 ~ 10 L / min. The cold experimental curve inflection point further validates the highest amount of lifting-mass under liquid slug flow trends. The variable cross-section bubble pump lifting efficiency is higher than 19% by the straight bubble pump when the gas volume flow is 5 ~ 15 L / min in cold experimental comparative analysis,which provides a theoretical guidance for the optimal design of bubble pump and broadens the study scope of bubble pump.

关 键 词：热工学 气泡泵 变截面提升管 气体输入 冷态试验 

分 类 号：TH3[机械工程—机械制造及自动化] TU831.4[建筑科学—供热、供燃气、通风及空调工程]