Testing new centrifugal trays with liquid recirculation

The results of hydraulic tests of new centrifugal trays with repeated recirculation of liquid in the centrifugal elements in the water–air system. Curves were obtained for calculating the amount of liquid circulating in the centrifugal elements and the pressure drop in dry and reflux trays.     

Calculation of straight-flow plates with liquid recirculation for rectification columns

Conclusions We obtained an expression which links plate efficiency, when the liquid is circulated in the contact devices, with the degree of approaching equilibrium, number of sections, and circulation ratio of the liquid. This equation also enables us to determine the number of rows of contact devices (sections) on the plate that are needed to obtain a given separating efficiency.Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 2, pp. 44–46, February, 1970.     

新型板式填料旋转床压降性能研究

为了考察自主设计的新型板式旋转填料床压降特性,以空气-水为实验体系,考察了转速、液量、气量、径向板数和周向板数对新型板式填料床压降性能的影响。研究结果发现,气量是影响填料床压降的重要因素,转速和液量对压降的影响较小;板填料通过作用于流体流动方式影响了压降性能;新型板式填料床可实现较低压降,常规操作条件下小于300Pa;对实验数据回归得出压降的关联式,计算值与实验值平均误差小于15%。本文的研究结果为超重力填料床结构设计与改进提供一定依据。     

气井涡流排液采气工具有效作用长度

针对目前对涡流工具适用条件和工具有效作用长度认识不清,现场应用与分析主要依据经验,进而影响使用效果等问题,运用Auto CAD和Fluent流体模拟软件,建立涡流工具气液两相流场模型,研究流体旋转强度的衰减规律,预测涡流工具有效作用长度,并分析井筒气液状况和工具结构参数对有效作用长度的影响。研究结果表明:流体旋转强度的衰减规律符合对数递减,以对数递减公式预测的涡流工具有效作用长度介于10~100 m;流体入口速度和井筒气液比是影响工具有效作用长度的主要因素,入口速度和气液比增大,有效作用长度增大;槽宽为60 mm时,工具有效作用长度较大,排液效果较好;减小槽深和工具与油管之间的间隙,流体速度增大,有效作用长度增大。研究结果可为现场涡流工具结构参数优选和排液效果的提高提供理论依据。     

Optimization of a convection dryer with recirculation of the drying agent

Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 12, pp. 6–8, December, 1994.     

各向异性储层地层测试椭球形流动压降解释模型

根据电缆地层测试的压降数据得到大体可靠的储层渗透率参数,为仪器进一步精确测试提供可靠的测试参数,提高测试参数解释精度.基于水平渗透率大于垂向渗透率的基本假设,分析了各向异性储层中地层测试的渗流形态,在此基础上,应用渗流力学理论和坐标变换方法,建立了用于各向异性地层的单探头电缆地层测试椭球形流动压降解释模型.该模型考虑了...     

Mass transfer in a low-pressure vortex tube

It is shown that a comparatively low efficiency of a vortex tube can be compensated for by giving it additional functions such as air dryer. Experiment shows that the adiabatic efficiency of a vortex tube falls somewhat with increase in the humidity of the input flow. Formulas are proposed for quantitative evaluation of that process.     

纤维液膜脱硫技术在液化气精制单元的应用

介绍了中石油长庆油田分公司第一助剂厂 4万t a液化石油气脱硫装置精制单元使用纤维液膜脱硫技术的概况。纤维液膜脱硫技术的核心设备是纤维液膜接触器 ,经 3个月的运转表明 ,该技术具有操作简便 ,产品质量稳定 ,单位加工费用低等特点。     

Hydrodynamics of a multicyclone separator with helical static vortex generators

Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 6, pp. 1–4, June, 1993.