To cope with the problem of “the re-entrainment into the hopper of fine dust particles in an inner vortex flow due to the agitation of separated particles" occurring in conventional cyclone separators, some researchers have proposed the adding of a straight pipe at the bottom of the separator, thereby allowing dust-laden air to enter the pipe for further separation.
针对常规旋风分离器中的“灰斗返混”问题 ,有研究者提出在旋风分离器底部增设一直管 ,使含尘气流进入其中进一步分离。
This paper introduces briefly the manufacture technique and method of penstock s welding, examination and hydrolic test, in view of several major parts of open pipe of the Tianhu hydropower station, such as straight pipe, bifurcated pipe and expansion joint.
针对天湖水电站压力管道露天明管的直管、岔管、伸缩节等几个典型部件从管道的加工、焊接、检验及压力试验等全过程的制造工艺和方法进行简要介绍,为国内设计和制造更高水位压力管道提供一些制造资料。
Based on the research results of experts,sets out from momentum,and analyses the momentum change of liquid and solids,and puts forward calculation models of settling slurry velocity distribution and friction loss in vertical pipeline.
在前人研究的基础上,从动量角度出发,研究液体及固体颗粒速度的变化,推导出浆体垂直管道速度分布和摩阻损失的求解模型。
The computation results show that the effect of density to laminar bottom layer in vertical pipeline is obvious and is bigger than that of viscosity, which can not be ignored.
研究结果表明,密度对竖直管道顺序输送过程中层流底层的影响比较明显,并且大于粘度影响,不可忽略。
The correlation of various parameters of soilds on pneumatic coveying in vertical pipeline and the reason of solids choking were presented.
介绍了竖直管道中气力输送物料过程各种不同参数的关系以及物料在管道中发生堵塞的原因,给出了预测堵塞发生的计算方法,为物料气力输送系统的设计提供了一些借鉴。
Taking the object of transporting carbon black,analyzed the transportation pressure losing of level pipe、vertical pipe and bend pipe of the pneumatic transportation pipe line,gained the pres-sure losing formula of the three sorts of pipe line.
对以炭黑为输送对象的气力输送管道中水平管、垂直管和弯管的输送压力损失分别进行了分析,得到了炭黑在这3种输送管道中的压力损失计算公式。
Hydraulic hoist of solid coarse particles in the vertical pipe is used in oil extraction, chemical engineering, ocean mining, coal mining and silt cleanup and so on.
固体粗颗粒物料的垂直管水力提升常见于石油开采、化工反应、深海采矿、水力采煤、河湖清淤等工程场合。