【作者】 王娜娜； 易维明； 张波涛； 李志合；

【Author】 WangNana, Yi Weiming, Zhang Botao, li Zhihe (School of Light Industrial and Agricultural Engineering,Shandong University of Technology, Zibo 255012,China)

【机构】 山东理工大学轻工与农业工程学院；

【摘要】 为了研究生物质颗粒在等离子体快速热解液化设备水平携带床热解管中的运动,设计制造了水平携带床冷态模拟装置。利用PIV无接触测量技术,对玉米秸秆颗粒在管内的速度分布进行了研究,求出了颗粒和氩气通过管道所需的平均速度、平均时间。研究结果表明,颗粒在管道内的运动速度沿轴向不断增大,管道中心附近的颗粒速度增大最为明显,靠近管壁附近速度变化相对较慢;颗粒在管内的速度分布沿径向近似呈抛物线状分布;颗粒的平均运动速度比氩气的低,颗粒通过该段距离的平均时间要略大于氩气的平均时间。更多还原

【Abstract】 In Order to study the movements of biomass particulate in horizontal entrained bed of the plasma heated biomass fast pyrolysis liquefaction prototype, a set of transparent cold model is designed. The velocity of corn stalk particulate is studied by particle image velocimetry(PIV).Average velocity and time of corn stalk particulate and argon passing through the pipe are calculated. The results indicate that the velocity of corn stalk particulate in the pipe increased along the direction of X and in the areas round the center of the pipe, this trend is very obvious.Velocity distribution of corn stalk particulate along radial direction is like a parabola; Average velocity of corn stalk particulate is smaller than that of argon, so the average time of corn stalk particulate passing through the pipe is larger than that of argon.更多还原