reflux column
英 [ˈriːflʌks ˈkɒləm]
美 [ˌriˈflʌks ˈkɑːləm]
网络 回流柱; 回流管柱,回流塔
双语例句
- The influences of the mole proportion of water and ethylene oxide, reflux ratio and operation pressure of the column were investigated.
研究了水与环氧乙烷摩尔比、回流比、塔压等对生产结果的影响。 - The main design parameters, such as NTS, reflux ratio and feed location are analyzed in detail to get the optimized design of the ethyl acetate concentration column.
对提浓塔的理论塔板数、回流量和进料位置等参数进行分析，得到了最优化的设计参数。 - The influence of argon fraction drawn by using such a great reflux ratio of R on the performance of upper and lower columns of a rectification column and the feasibility are examined simultaneously.
同时研究了用这样大的R抽出氩馏分对空分主塔上下塔的影响及可行性。 - Determination of optimum reflux ratio of distillation column using PRO/ ⅱ and Excel
利用PRO/Ⅱ和Excel求解精馏塔最优回流比 - Batch distillation experiments made to separate the ethanol& water mixture system in a C-02 type metal gauze packing column variable reflux ratio policies have shown that the optimal operation of this column is the constant reflux ratio policy.
在C&02型金属网波填料塔进行乙醇-水系统间歇精馏实验表明：恒回流操作是该塔的优化操作方式。 - Reformation and Application of Dry Gas Seal of Reflux Pump for Circulating Propylene Scrubbing Column
循环丙烯洗涤塔回流泵干气密封的改造与应用 - If residue liquid is used in the reflux in the distillate column, the operation times of the distillation tower will reduce 8.7 percent, at the same time the yield of crude product will increase to 91.8 percent.
母液作为蒸馏塔塔顶循环回流可使蒸馏操作时间减少8.7%，同时粗产品的收率也增加到91.8%。 - Studies on Reflux Liquid Column Chromatography for Analysis of Natural Products
回流液体柱色谱用于天然产物分析的研究 - A numeric method for computing limiting concentration of light component in the distillate of binary batch distillation under constant reflux ratio and hold-up in the column is introduced.
介绍了采用恒回流比操作方法，在塔顶、塔板持液时，间歇精馏二元理想混合物，馏出液中轻组分极限浓度的数值计算方法。 - Comments on methods for calculating minimum reflux ratio of multicomponent-fractionation column
多元精馏塔最小回流比的计算方法探讨 - That reflux play a role in distillation operation and process analysis and calculation was described, the calculation formula of the smallest reflux ratio in multistream feed column was derived.
论述了回流在精馏操作和精馏过程分析和计算中的作用，推导了多股进料塔最小回流比的计算公式。 - Determination of optimum reflux ratio of a rectification column
精馏塔适宜回流比的确定 - The principle, performance parameter and control system of dry gas seal are recommended, the reformation and applied conditions of dry gas seal of reflux pump for circulating propylene scrubbing column in the plastic plant of DAQING petro-chemical are mentioned.
本文介绍了干气密封的原理、性能参数和控制系统，阐述了大庆石化公司塑料厂循环丙烯洗涤塔回流泵P-302干气密封的改造和应用情况。 - The sample was extracted with 80% ethanol by continuous thermal reflux from Exopleura of Ginkgo biloba at 80 ℃ for 8 hours and the extract was purified by silica gel column chromatography.
以80%乙醇80℃回流8h提取银杏外种皮，提取液经硅胶柱层析后得酚酸样品。 - Reflux ratio of distillation column without stripping section
不设提馏段的精馏回流比 - Discussion on reflux ratio in the crude argon column II
有关粗氩塔Ⅱ回流比的讨论 - After appraising the drawbacks of the routine design procedures of reflux ratio in plate distillation column, this paper analyzes some details of important parameters which should be considered in order to design reflux ratio in sieve-plate distillation column and puts forward further questions on optimized design.
本文在评价板式精馏塔回流比常规设计方法的不足之后，对设计筛板精馏塔回流比时应考虑的几个重要参数进行了较详细的分析； - Optimized Design of Reflux Ratio in Sieve-plate Distillation Column
筛板精馏塔回流比的优化设计 - A Novel Level Control System for Reflux Tank of Distillation Column
一种全新的精馏塔回流罐液位控制系统 - It has a great benefits such as reflux ratio automatic regulation, quickly response of controlling, lower energy consumption etc. the operation elasticity of azeotropic distillation column can obviously be improved.
部分冷凝段由于具有回流量内部自动调节、控制响应速度快、操作能耗低等优点，可使共沸精馏塔的操作弹性明显提高。 - A novel level control system structure for reflux tank of a butene-1 distillation column is presented.
针对某厂丁烯-1精馏装置运行中存在的问题，设计了一套全新的回流罐液位控制器结构。 - A Multistage Model with Reflux for Bubble Column
鼓泡塔反应器的多级回流模型 - Selectivity of Monochlorination of Pivaloyl Chloride Utilizing Total Reflux Packed Column
特戊酰氯在全回流填料塔内一氯化反应选择性的研究 - Accompanying with the salt deposition, there were inflexible adjustment of fractionator top temperatures, cavitation in top circulating reflux pump, production of light gas oil with substandard flash point as well as difficult drawing out from the column, etc.
结盐时伴随有塔顶温度调整不灵活，塔顶循环回流泵抽空和轻柴油闪点不合格和抽出困难等现象。 - The models for cyclic total reflux operation were established in this paper. A controlling method of batch distillation by introducing temperatures of middle and top part in batch distillation column is proposed.
本文建立了双温度控制循环全回流操作的实验装置，提出了用塔中和塔顶温度联合控制间歇精馏操作的方法。 - Three advanced control strategies were designed and compared with each other, according to the different requests of distillation control and the strong coupling of multivariable system: ① Internal reflux control on the top of column and neural network based single-variable predictive control on the bottom.
针对不同的精馏控制要求以及多变量系统的强耦合特性，设计了三套先进控制策略进行比较，并确定了最佳方案：①塔顶内回流控制与塔底单变量神经网络预测控制。