perforated plate column

Study on pressure drop characteristics of multi-downcomer sieve tray

多降液管筛孔塔板的压力降性能研究

Dry plate pressure drop of conventional sieve tray and tapered sieve tray were measured with air in a φ500 mm transparent tower made of polymethacrylate.

在直径500 mm的有机玻璃塔内,以空气为物系,对普通筛孔塔板和锥形筛孔塔板的干板压降进行测定,根据Hughmark-O'Connell关联式计算得到孔流系数。

Two different types of orifices were opened on wall of exit weir of both sieve tray and fixed valve tray for comparison.

针对固定阀塔板和筛孔塔板,在出口堰上开倒梯形和条形两种型式的分流孔,对从堰上分流孔分流出去的液量作了实验研究,得到了分流液量随气、液流量变化的规律。

Possibility of the unit expansion to 56 000 b/d has been discussed together with the optimum design criterion of sieve tray.

深入探讨了对筛孔塔板的优化设计判据,指出应根据塔板的作用来区别考虑塔板的适宜操作范围。

Application of oblique hole tray in the treatment of sewage containing methanol in YULIN gas field;

斜孔塔板在榆林气田含醇污水处理中的应用

On the base of traditional ammonia still process, the course of ammonia distillation is simulated and optimized by PRO/II software, and the new multiple overflow and composite oblique hole tray is applied to correct the old process, then the new distillation unit is established.

在传统蒸氨工艺基础上,将氨蒸馏分离采用PRO/II软件化工过程模拟优化,并采用新型多溢流复合斜孔塔板,修正原工艺中的不足,建了新的化工蒸馏单元。

The text introduced our company present situation and reforming program of the oblique hole tray.

介绍了公司粗苯系统脱苯塔的现状及脱苯塔的改造方案,通过采用斜孔塔板后,脱苯效率明显提高,生产运行顺利,投资少见效快。

Study on pressure drop characteristics of multi-downcomer sieve tray

多降液管筛孔塔板的压力降性能研究

The Comparison of Downcomer Operating Capacities between CTST and Valve Plates and the Optimization of Downcomer Structure;

CTST和浮阀塔板降液管操作能力比较及降液管结构优化

Anti-fouling characteristics research and application of suspended rectangular downcomer trays

悬挂式降液管塔板的抗堵功能研究及应用

Gas-Liquid Biphase of Breakdown Vapor-Rise-Up through Hanging Downcomer with High-Capacity Tray

高通量塔板悬挂式降液管击穿漏气的气液相研究

SYNTHESIS OF MULTI-WALL CARBON NANOTUBES USING Fe-LOADED MESOPOROUS MOLECULAR SIEVE AS CATALYTIC TEMPLATE

采用负载铁的介孔分子筛催化模板剂合成多壁碳纳米管

Effect of Liquid Viscosity on Sieve Tray Hydraulic Performance;

液相粘度对筛板塔流体力学性能的影响

aperture mask tricolor kinescope

多孔障板式三色显像管

Synthesis and Characterization of Mesoporous Molecular Sieves Templated by Ionic Liquid;

以离子液体为模板剂介孔分子筛的合成和表征

Study on the Gas-liquid Dual-flowing the hole and Oscillating Regulation of the Compound Tray;

复合塔板上气液穿孔流动及波动规律的研究

The CFD Simulation of Liquid-Liquid Flow Field of Sieve Tray Extraction Column for Production of Hydrogen Peroxide by Anthraquinone Process;

蒽醌法双氧水生产中筛板萃取塔液液流场CFD模拟

A perforated platelike structure in most echinoderms that forms the intake for their water-vascular systems.

筛在大多数棘皮动物身上的一个多孔板状的结构，构成它们水管系的进口

Round and square perforation plate screens-Thickness of 3 mm and above

GB/T10613-1989板厚≥3mm的圆孔和方孔筛板

Study on the Preparation of Mesoporous Molecular Sieves with Ionic Liquid as Template and the Evaluation of Catalytic Activity;

以离子液体为模板剂合成介孔分子筛催化剂及活性评价

Pressure-fall formula of hole-board and it s appliance in the technology of pipeline damping;

管道减振技术中的孔板压力降公式及其应用

Screen plants--Codification for designating perforations

GB/T10061-1988筛板筛孔的标记方法

Study on Two-Phase Fluid and Characteristics of Degradation of Organic Waste Gases in Biotrickling Filters with Porosity Packed-Materials;

多孔介质生物膜滴滤塔降解有机废气的性能及两相流动特性研究

Study on the Preparation of Porous Calcium Alginate Microspherers Via Emulsion Templating Method;

乳液模板法多孔海藻酸钙凝胶微球的制备研究

Slots with round end and slots with square end plate screens

GB/T12620-1990长圆孔和长方孔筛板