控制精馏塔回流比，保持流量稳定。
本文推导出二元系复杂塔最小回流比的计算式。
Equations for calculation the minimum reflux is derived for binary systems in complex columns.
考察了分离温度、时间和回流比等因素对分离效果的影响。
The effects of separation temperature, time and reflux ratio on separation efficiency were investigated.
考察了酸醇比、回流比、进料流量、进料位置等因素对反应过程的影响。
The effects of acid-alcohol ratio, reflux ratio, feeding flux, and feeding location on the process are investigated.
气浮池采用硫酸铝为混凝剂和30%的回流比，有效地提高了处理效率。
The air floatation treatment was improved effectively by use aluminum sulfate as coagulant with a recycling ratio of 30%.
给出了回流比与倍率系数的关系曲线，并对曲线的生产应用进行了介绍。
Give out the return ratio relationship curver that contrasts and the multiplying power factor, Moreover to the curve manufacture application has been underway the introduction.
回流比、进料浓度、周期循环时间均对半连续热参数泵分离效果产生影响。
Reflux ratio, feed concentration and cycling time have effect on the separation.
适当提高回流比，可提高去除效率，一般最佳回流比为60% ~ 80%。
Increase of the reflux ratio can improve the removal efficiency, with optimum reflux ratio is 60%-80%.
结果考察工艺的启动挂膜性能以及硝化液回流比和进水负荷对脱氮效果的影响。
The influence of internal recycle ratio and influent loads on biological nitrogen removal was discussed.
讨论和分析了脂肪酸甲酯间歇精馏过程中回流比、操作压力、釜温对精馏效果的影响。
Effect of reflux ratio, operation pressure and bottom temperature on fractionation results were discussed.
以回流比、回收率为决策变量，总费用最小为目标函数，编制计算机程序进行优化计算。
Using reflux ratio and recovery as decision variables and total cost as objective function, the computer programs were programmed and optimized calculation was carried out.
根据回流比的变化，对顺流双效HGL精馏实验装置中两精馏塔的进料位置进行了优化。
By analyzing the changes of reflux ratio, the optimum feed positions within the two distillation columns in the experimental device for double-effects distillation HGL of forward feed was determined.
本文提出寻求精馏系统最小回流比的新思路，并将它用于对二元精馏最小回流比的计算。
A new train of thought for finding minimum reflux ratio in distillation has been proposed in this paper.
试验得出随着回流比的增加，塔顶1-己烯浓度增大，而1-己烯的收率有缓慢下降的趋势。
The results show that the top concentration of 1-hexene increases and the reflux ratio of 1-hexene slowly decreases with the increase of the reflux rate.
本文还研究了精馏的一些操作条件对1，2-丙二醇精制过程的影响（塔顶压力、回流比等）。
The distillation conditions including overhead pressure, reflux ratio for the recovery of 1,2- propylene glycol were studied.
本文介绍一种精馏塔中适宜回流比的优化方法。给出了精馏塔的经济模型及相应的求解方法和求解过程。
In this paper, a method of optimizing reflux ratio in rectifying tower is introduced. An economical model of the rectifying tower and its solving approaches are also presented.
为了确定运行条件的影响，采用搭建CAST小试试验台对曝气时间、DO、回流比、排水比进行了研究。
In order to determine the influence on account of operating conditions, aeration time, DO, reflux ratio, water drainage ratio were studied by using small CAST test-bed.
同时探讨了塔顶压强、塔顶和塔釜温度、回流比变化对产品纯度的影响，获得了试验条件下的最佳操作条件。
Furthermore the effects of tower top pressure, temperatures of tower top and bottom, reflux ratio on product purity were analyzed.
对乙酸与乙醇酯化反应体系，考察了催化剂用量、酸醇比、进料位置、回流比、回流组成等因素对过程的影响。
The effects of catalyst quantity, acetic alcohol mole ratio, acetic acid and ethyl alcohol feed site, reflux ratio and reflux composition on the process are investigated.
本文以某气体分馏装置为例，通过严格的流程模拟，分析了产品质量、回流比和塔压等操作参数对总经济效益的影响。
A case study of gas separation system is given to illustrate the effects of product quality, reflux ratio and tower pressure to total economic benefit through flow simulation.
通过模拟计算，研究了回流比、预热冷却器面积、塔釜冷却量、蒸发器加热量以及泵循环流量对热敏精馏过程的影响。
By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...
应用严格的热力学模型研究了氢同位素低温精馏塔在不同进料扰动、回流比扰动以及馏出量扰动情况下的动态响应情况。
The study of different processes and operations in dynamic behavior of a column has been done in detail using a rigorous thermodynamic model.
获得了该塔在全回流及部分回流条件下的全塔效率，固定回流比间歇精馏下的塔顶、塔釜温度及浓度随时间的变化曲线等。
The changing curve of temperature and concentration in top and bottom with time in fixed reflux ratio and batch distillation, were also obtained.
当回流比、溢流率和絮体沉降特性处于变化中时，可用“状态点”的概念对活性污泥— 沉淀系统进行设计工作和系统分析。
The state point analysis can be used in the design and operation analysis of the activated sludge system as the RAS ratio, overflow rate and settling characteristics of flocci are varying.
用包含水解酸化、硝化和反硝化三个反应器的组合式生物脱氮除碳系统处理尼龙6废水，着重分析了该系统的回流比，溶解氧。
A combined system consisting of hydrolysis acidification, denitrification and nitrification reactors was used to removal carbon and nitrogen from the nylon-6 production wastewater.
利用ChemsepL软件对天然气为原料的甲醇精制过程预精馏塔进行了模拟计算，分析了预精馏塔内组分浓度的变化情况以及回流比的影响。
When natural gas was used as feed gas to make methanol simulated calculation of pre-rectifying tower was done by ChemsepL software.
在阿拉伯湾的一些区域，因为滤出盐分的回流，海水的含盐量比通常情况高了八倍的八倍。
Salt levels in the Arabian Gulf are eight times higher in some places than they should be, as power-hungry water plants return salt to an already saline sea.
分别在不同进料比、进料位置、加热/冷却温度的条件下，对TCAP工艺的全回流模式进行了实验。
Thermal cycling absorption process(TCAP) in a full reflux mode was studied at different feeding ratios, feeding places and heating/cooling temperatures.
采用正交实验，考察了原料投料比、回流反应时间、催化剂等因素对合成的影响。
The effects of feed composition, reflux reaction time and catalyst concentration on PPTD yield were investigated.
不设挡板的流场明显比带挡板的流场存在更大的回流区域。
And when there was no baffle, much more circumfluence areas existed than it when baffles were set.
应用推荐