这可作为确定塔板效率的依据。
蒸气上升并直接通过塔板上的液层。
Vapour passes straight upward through the liquid on the plate.
开发了一种宝塔罩型塔板。
讨论雾沫夹带及沟流对塔板效率的影响。
The effects on plate efficiency with entrainment and channeling are discussed.
开两个孔的塔板显示出最好的流体力学和传质性能。
JCPT tray with two holes on the tray deck showed best hydrodynamic and mass transfer performances.
介绍了3D圆阀塔板的结构特点和实验研究情况。
The structural features and experimental studies of 3d round valve tray are presented.
并且在低流速液体意志通过孔啜泣，减少塔板效率。
And at low flow-rates liquid will weep through the hole, reducing the plate efficiency.
塔板气泡大小或者采用实验测定，或者采用模拟计算。
The size of bubbles on the trays are determined either by experiment or by analog calculation.
用金属探针法测量塔板上气液两相流中某些点的含气率。
A method of using metal probe for measuring the void fraction at any point in gas-liquid two-phase flow on Sieve tray is described.
应用派基曲线图计算常压塔塔板数，并介绍了计算程序。
The Packie curve diagram is used for plate calculating of atmospheric distillation.
在此基础上利用塔板设计软件对新工艺精馏塔板进行设计。
The distillation columns are designed based on the trays by column design software.
在导向浮阀塔板的基础上，开发研究了组合导向浮阀塔板。
The combination directed valve trays have been developed and studied on the basis of directed valve trays.
塔板数和塔盘开孔率偏低，使乙腈回收率低、处理能力小。
Moreover, fewer plate number and low perforation area lead to low acetonitrile recovery rate and treatment capacity.
介绍了导向浮阀塔板的结构特点、实验研究和工业应用情况。
The structural features, experimental studies and industrial USES of directed valve trays are presented.
试验结果表明：浮阀筛孔复合塔板操作弹性小、气液处理量小；
The results show that valve-sieve compound trays have smaller turndown ratio and smaller capacity.
为了通过高液量，塔板设计的关键是降液管结构、尺寸和布置。
The key factors for designing the tray with high liquid capacity are downcomer configuration, specifications and layout.
提出由负荷性能图中各性能曲线计算式确定塔板主要结构尺寸。
Each major structural size of the trays is determined directly from the formulas of performance curve in the capacity graph.
结合板式塔基础研究和技术进步，扼要讨论了塔板的操作限制。
Tray operation restrictions have been discussed based on the basic research and technical progress of tray column.
化学工程中精馏塔的理论塔板数n是塔器设计的一个重要数据。
The theoretical plate number "n" of distillation towers is an important data for distil - lation tower design.
实验研究了层析的洗脱条件，计算了层析柱的分离度及理论塔板数。
The desorption condition of chromatography is studied, the resolution and the theoretical stage number are calculated.
此外，由于获得来自蒸气的热量，塔板上的液体沸腾，生成更多蒸气。
Additionally, because of the heat input from the vapour, the liquid on the tray boils, generating more vapour.
至今，还未见液相粘度对塔板各项流体力学性能影响的系统研究报道。
Up to date, there isn't systematically report on effect of liquid viscosity on the tray hydraulic performance.
同时，针对不同的产品，通过试验确定投入的分馏辅料及分馏塔板数。
In addition, the auxiliary materials for fractionation is decided for different products by test.
本文分析了液相流动形态及液相横向扩散对鼓泡型塔板板效率的影响。
It has been analysed that liquid flow pattern and liquid crosswise eddy diffusion influence on efficiency of bubble tray.
进行塔板流体力学和塔板效率的实验时，涉及变量多，计算公式复杂。
In the experiment of tray hydrodynamics and tray efficiency, the variants involved are generally many and the calculating expressions are complicated.
本文根据灰色系统理论，提出了一种用于塔板评价与选择的关联分析法。
Based on the grey system theory, a method for evaluating and selecting trays is proposed.
以一个理想二元精馏塔为对象，讨论基于塔板温度的产品组分估计问题。
To estimate the product composition for an ideal binary distillation tower based on tray temperatures is discussed.
利用马尔可夫过程的理论和方法，模拟多级塔板上的液体随机流动现象。
The phenomenon of random fluid flow on multistage column trays is simulated by applying theory and method of Markov process.
通过实验，成功地找到了在塔板上设置机械构件来实现消泡的有效方法。
An effective method of putting mechanical components to implement bubble-removing in the sieve tray is found by experiments.
上升气流穿过塔板上液层时，将板上液体带入上层塔板的现象称雾沫夹带。
The liquid drops on the tray is brought into the upper plate and the plate enrichment is decreased.
应用推荐