查询词典 downcomer

By transformation of the downcomer of the Claus gas separator,methanol entrainment by Claus gas is eliminated,the oil content in the methanol in the system reduced,and good economic benefit obtained.

对克劳斯气分离器降液管改造后，消除了克劳斯气夹带甲醇的现象，降低了系统甲醇中的油含量，取得了较好的经济效益。

Four kinds of arrangement of catalyst support in catalytic distillation column are introduced, they are catalyst in the downcomer of plate column,catalyst on the tray and catalyst combined with random packing or structured packing respectively, and their advantages and disadvantages are also analyse

介绍了催化蒸馏塔中催化剂的装填结构，即催化剂装在板式蒸馏塔降液管中、装在板式塔塔板上、与散装填料相结合及与规整填料相结合，并对这些装填方式的优缺点进行了分

The experimental apparatus consist of the downcomer and L-valve made by the transparent Plexiglas column, 80mm i.d.

本实验装置采用内径为 80mm 的压克力管所制成之下降管和 L-阀。

Based on the analysis of the fluid flow in the downcomer of an airlift internal loop bioreactor , a turbulent two-fluid model for airlift internal loop was proposed.

在对气升式内环流生物反应器内部流动分析基础上，全面考虑反应器下降管中气泡的并聚破碎、气液两相间相互作用和滑移等，建立了能描述反应器下降管中复杂流动的CFD数学模型。

In the organic glass tower of 600mm in diameter, the pressure drop, leakage and mist carrying of the high efficient flow-guided sieve tray were measured in the experiment and we found that there was no flooding phenomenon when the resident time of liquid in the downcomer was less to 2. 5 second. It shows that the structure of the tray is reasonable and it can increase the column capacity greatly.

在自建的φ600mm有机玻璃塔内对高效导向筛板的各项流体力学性能进行有关实验研究，其中发现在高气速下当液体在降液管中的停留时间低至2.5秒时，仍没有观察到液泛现象，说明高效导向筛板可在不改动降液管的情况下大规模地提高塔设备的液相通量和生产能力。

Said downcomer comprises two inside and outside pipes with different diameters, wherein between the two pipes is arranged cyclonic guide blade.

该降液管包括内外两个直径不同的圆管构成，在两个圆管间隙之间设置旋流导流叶片。

In DCS, configuration is used to accomplish the on-line calculation of main stress of the orifice of the drums central downcomer. In MIS, the client/server structure based on the database is adopted. The program in server pretreats the data from DCS and sends them to the database, while the programs in client accomplished the final treatment and displays the result

在DCS侧，通过组态的方法，在不增加新测点的前提下实现了汽包集中下降管管孔处主应力的在线计算；在MIS侧，采用基于数据库的客户机/服务器结构，服务器端程序对从DCS系统来的数据进行初步的处理并存储在ORACLE数据库中，客户机端程序完成数据的最终处理及结果的显示

The flow regime in downcomer can be divided into two kinds: cross flow injection and impingement. Cross flow injection only takes place under low injection flow rate in dowcomer flow. The investigation on flow regime and heat transfer in RPV under PTS is for the first time in China.

在国内本实验是第一个研究下降环腔内的流动与传热，在国际上，象这样同时进行了流动可视化，常温常压下传热和高温高压下传热的实验也不多，特别是针对下降环腔内对流换热系数的研究，在公开文献中还没有相类似的实验。

Multiphase loop reactors, in which the liquid is circulated mainly by the difference of the density between the riser and downcomer but not driven by the expensive and complex pump, present a lot of advantages for the coal direct liquefaction technology.

本文研究三相连续环流反应器的传质及混合特性，以期为这类反应器的放大、设计和操作提供基础依据，这对于煤直接液化工艺的应用也具有重要的指导意义。

The experimental apparatus consist of L-valve and downcomer made by the transparent Plexiglas columns, 80 mm i.d.

本实验采用循环式流体化床，使用内径 80mm 之压克力圆管，制成水平长度为 380 mm 之 L-valve 和长度为 1120mm 之下降管。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。