Revamping of FCC Main Fractionating Tower by Using Highly Effective Tray and Regular Packing

采用高效 塔盘和填料综合成组技术改造催化主分馏 塔

The original third poly tower is technologic transformed by use of lead sieve tray which has larger flux higher efficiency and lower pressure drop .

提出采用大通量、高效率、低压降的导向 筛板，对原聚合 三塔进行技术改造。

As one of the important mass transfer equipments plate tower is widely used in various separation processes . The fixed tray has the advantages of anti-clogging and low pressure drop and is particularly suited to splodgy systems and susceptible to plugging mass transfer occasions .

板式 塔作为重要的传质设备之一，在各种分离过程中广泛应用，其中的固定 阀 塔 板因具有压降低、抗堵塞能力强的特点，特别适合于有污垢、易堵塞的物系。

In on-site conditions some performance parameters of the device will change along with the operation time such as heat-transfer coefficient of exchanger tower tray efficiency catalyst activity coefficient coking coefficient and so on .

当现场工况中，一些装置的性能参数会随着操作时间的变化而发生改变，如换热器传热系数、 塔 板效率、反应器中催化剂活性系数、结焦系数等。

Evaluation and choice on chemical tower tray with analytic hierarchy process

用层次分析法进行化工 塔 板的评价与选择

Application of Guiding Floating Tray in Combination in the 5th Carbon Removal Tower Glitsch combined valve and sieve tray

组合导向浮阀塔板在脱碳 五塔的应用格利奇浮阀-筛孔混合 塔盘

In revamping the diameter of tower tray the tower height and the number of tower trays were fixed while the F_1 floating valve trays were replaced by ADV differential tower tray the throughput of each fractionation tower was increased by over 40 % .

改造中在 塔径、塔高、塔盘数不变即塔体利旧的情况下，用ADV微分浮阀塔盘替换原F1型浮阀塔盘，使各个分馏塔的生产能力提高40%以上；

On the basis of results simulation calculation on extraction distillation of propane-propene is performed and the optimal operation conditions are determined the process parameters of tower tray are designed .

在此基础上，对该体系的萃取精馏过程进行了模拟计算，确定了萃取精馏过程的最佳工艺操作条件，设计计算了萃取 精馏 板式 塔的工艺参数，为丙烷？

To estimate the product composition for an ideal binary distillation tower based on tray temperatures is discussed .

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。

This article introduces the performance of new DJ-3 tray and characteristic of distillation dehydration . Emphasizes the enlarge alteration of distillation dehydration tower . Summarizes the industrial application and demarcate analysis of DJ-3 tray .

对新型DJ-3复合塔盘的性能进行了简介，简述了重整蒸馏脱水过程及特点，重点突出蒸馏脱 水塔的扩能改造，总结了DJ-3复合 塔盘的工业应用及生产标定情况。

The rank of comprehensive performance of chemical tower tray is gained by setting up the hierarchy model and calculating the rank weighting of decision factors on the final object which provides a scientific alternatives for the evaluation and choice of the chemical tower tray .

通过建立递阶层次模型，计算决策因素对总目标的排序权重，得到各类化工 塔 板综合性能排列顺序，为评价、选择化工塔板提出了一种科学决策方法。

First Absorption Tower Modification with DL Tray

浅析用DL型 塔盘改造一吸 塔

The successful application of DJ type tug efficient tower tray made at home is introduced in article .

阐述国内自主开发研制的DJ型高效 塔盘技术在乙烯装置应用中的成功做法。

Then efficiency of the mass transfer were gained by using the air-water-CO2 system in the tower . Experimental results showed that the B-type directed fixed valve tray had excellent characteristics on the hydrodynamics and mass transfer . It was an innovative tray with good prospects for industrial applications .

实验结果表明，B型导向固阀 塔 板具有良好的流体力学性能和较高的传质效率的特点，是一种综合性能良好的新型塔板，拥有很好的工业应用前景。

DJ type high efficient tower tray used in ethylene plant

DJ型高效 塔盘在乙烯装置中的应用

From the crude heater the hot crude oil is delivered to the crude tower above the fourth tray .

经过原油换热器，热的原油被送至初 馏 塔第四 层 塔盘。

In this tower reactor the liquid / gas flow residence time and pressure drop could be manipulated using special tray structure with liquid downflow and gas upflow pipes .

通过特殊设计的 塔盘结构，实现反应器内气液流动、停留时间、压降等可控。

A patent technology about rectifying tower tray was introduced .

介绍了一项关于精馏 塔 板的最新发明专利。

Design Calculation for Overflow Cone with Flat Blade of Swirling Tower Tray

旋流 塔 板平叶片型溢流锥的设计计算

Die-casting . The method by Fair was used in calculating the diameter of tower when the factor of foam was considered and the method by Klein used in calculating the pressure drop of floating valve tray .

在计算浮阀 塔 板的干板压降方面以Klein的方法为主。

Controlling of the vertical alignment of tower and the level of tray

塔 体直线度和 塔盘水平度控制方法

Corrosion of Tower Tray in Atmospheric Distillation Unit Processing High Acidic Crudes

加工高酸原油常压 塔 塔盘的腐蚀

The column of reactive distillation was improved from compound tower to sieve tray tower which is famous for its lower cost of equipment and simpler operation and cleaning .

反应精馏塔由原来的复合型 塔改为单纯 筛板塔，操作清洗简单、设备费用低。

Double function of CO 2 regeneration tower is introduced when it is used to treat waste urea solution . Applications of High Efficiency Flow-guided Sieve Tray in the First Tower of Reclaiming Processing PVA Plant

阐明了CO2再生 塔一 塔两用处理尿素废液的原理、流程，进行了经济效益和社会效益评价。高效导向 筛板在PVA装置回收一塔的应用