精餾作用 的英文怎麼說
中文拼音 [jīngliùzuòyòng]
精餾作用
英文
rectifying action-
But the temperature difference at the vertical direction in combustion chamber in lead column, that is said by operator, is over 60 ?. ( 2 ) according to the experiences in the practice, the second layer air and the second layer gas had a little effect of support burning, and the third air has little effect for combustion, and the power to drawing exhaust gas can only be adjusted in limited range. the problems, it is said above, restricted more advance of some kinds of technology and economy target in spelter refining in new jersey furnace
由於鋅精餾爐產量提高,一些問題開始暴露出來: ( 1 )燃燒室?舶要求溫度差不超過10 ,而從現場反映的情況來看,燃燒室上、中、下部溫度差已超過60 ; ( 2 )在生產實踐中,發現燃燒室第二層空氣、第二層煤氣作用甚小,第三層空氣失去助燃作用,廢氣出口的抽力可調范圍有限;以上這些問題在客觀上制約了精餾塔在鋅精煉中各項技術經濟指標的進一步提高。The first part comprises industrial pta oxidation process modeling, residual fluid catalytic cracking process modeling, complex distillation modeling and analysis, the application of pta oxidation process soft - sensor technology. in the second one, the infeasibility degree based genetic algorithm is proposed to handle constrained optimization problem in engineering cases and the neighborhood and archive based genetic algorithm and its variant are proposed to treat the multi - objective optimization problem. with that, the pta oxidation process is regarded as a benchmark for the application of the proposed multi - objective optimization genetic algorithm
論文內容分為兩部分,第一部分對包括三個典型的工業過程, pta氧化反應器、渣油催化裂化反應系統和復合式精餾塔進行分析、建模以及pta氧化過程的軟測量工程實施;第二部分分別提出了基於進化演算法解決工業過程中普遍存在的約束優化問題和多目標優化問題的過程優化演算法? ?基於不可行度選擇遺傳演算法和基於鄰域和存檔操作遺傳演算法,並利用該演算法對工業pta氧化過程操作進行多目標優化研究。In industrial processes, liquid mixtures are often separated into their pure components by distillation.
在工業過程中,常用精餾作用把液體混合物分離為純組分。In this way it can prevent from the phenomenon of filler block caused by scrap iron and its life is prolonged. all parts that will contact ethanol in the device such as condensor. buffer tank, cooling snake pipe are made of stainless steel in order to guaran - tee that the finished product, ethanol, is not polluted
蒸餾塔體採用不銹鋼製作,從而防止了鐵屑堵塞填料的現象,延長了裝置的使用期限。本裝置中凡接觸酒精的設備部份如冷凝器、穩壓罐、冷去口蛇管等均採用不銹鋼,以確保成品酒精不被污染。The apparatus of drop volume method was made in this paper, accuracy of which was verified according to the literature value
採用自製的滴體積法實驗裝置,以蒸餾水的表面張力作為標準,檢驗了其精確性。Without the reflux, no rectification would occur in the rectifying section, and the concentration of the overhead product would be no greater than that of the vapor rising from the feed plate
假如沒有迴流,精餾段就無精餾作用,塔頂產品的濃度就不可能高於來自加料板的上升蒸汽的濃度。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
摘要介紹了採用恆迴流比操作方法,在塔頂、塔板持液時,間歇精餾二元理想混合物,餾出液中輕組分極限濃度的數值計算方法。A controlling method of total reflux by introducing temperatures of middle part and top part in batch distillation column was set up, and isopropanol and n - propanol were used to conduct the experimental study of this operation
摘要提出了採用塔頂和塔中溫度進行控制操作狀態轉換的全迴流間歇精餾控制方法,並以異丙醇正丙醇為實驗物系進行了實驗研究。It is shown from the recent research, the random packing has better performance than other column internals for liquid - liquid extraction, absorption with high liquid loading and high pressure distillation
摘要國內外最新的研究工作表明,在液液萃取、液氣比很大的吸收和高壓精餾的情況下,應用散裝填料的操作性能優于規整填料和塔盤。In tincture form ( distilled in alcohol ), the natural substance originally obtained from the fawn has been replaced today with synthetic products
作染料用(酒精中蒸餾) ,原先從鹿中獲取的自然物質如今已被合成產品替代。Application background and significance of hydrogen chloride preparation from byproduct hydrochloric acid desorption are intruduced ; basic rationale and technology process for preparation of gas hydrogen chloride by conventional resolution, variable pressure rectification and extraction rectification from hydrochloric acid are reviewed ; various methods are compared, explaining the suitable conditions, suggestions are made on the production process, equipments and materials ; improvement suggestions are put forward on hydrogen chloride preparation by byproduct hydrochloric acid desorption
摘要介紹了副產鹽酸解吸制取氯化氫技術的應用背景及意義;敘述了鹽酸常規解析、變壓精餾和萃取精餾制取氣態氯化氫的基本原理和工藝流程;對各種方法作了比較並說明了適用條件,對生產工藝、設備及材料的選擇提出了建議;提出了副產鹽酸解吸制取氯化氫應用的注意事項及改進建議。Application of distillation consciousness to the operation of air separation systems
精餾意識在空分系統操作中的運用Taking water as the extractant, the purified cyclohexane with the purity of 99. 91 % can be obtained by the method of extractive distillation
用水作萃取劑,採用萃取精餾方法、得到相對含量為99 . 91 %的產品。Environment - friendly non - azeotropic refrigerant mixture ( narm ) is used as working fluid. the rectifying column is employed to separate high boiling component, low boiling component and lubricant
本文的循環採用環保型非共沸混合工質作製冷劑,利用精餾裝置分離高沸點、潤滑油與低沸點組分。Abstract : this paper reviewed the advances in the research of new mode of batch distillation in recent years. accumulative batch distillation 、 reverse batch distillation 、 middle vessel batch distillation and multi - effect batch distillation were mainly introduced. the characteristics and the future applications of these new modes of operation were also discussed
文摘:本文綜述了國內外近年來間歇精餾新型操作方式的研究進展和發展方向,重點介紹了塔頂累積全迴流操作、反向間歇精餾塔操作、中間貯罐以及多罐間歇精餾塔操作,闡述了這些新型操作方式的特點及應用前景。分享友人