精餾計 的英文怎麼說
中文拼音 [jīngliùjì]
精餾計
英文
rectometer-
The chlorination reaction and distillation principles are discussed and the factors of affecting reaction speed and distillation outturn are analysed. the control methods were also designed
論述了氯化反應原理和精餾原理，分析了影響反應速度和影響精餾產品質量的因素，並進行了控制方案的設計。In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant
其次，本文以荷蘭buggenum電站的空分系統為原型，基於matlab建立了空分系統精餾塔的半圖形化動、靜態數學模型，並通過模擬，得出了一些有價值的結論：當空分系統的壓力變化時，氧氣產品濃度的響應時間常數為兩小時左右，說明空分系統是igcc電站最大延遲環節；而且雖然氧氣濃度最後會穩定在igcc電站所要求的范圍之內，但在過渡過程中會超出限制，這些都為igcc電站的安全運行及控制系統設計提供了有價值的信息。Abstract : the safety of extended service for butadiene extraction and rectification tower ， after design life and with corrosion in rubber plant, qilu petro - chemical industry company is evaluated according to the safety assessment rules of pressure vessels containing defects in service
文摘:根據在役含缺陷壓力容器安全評估規程，對運行已達到設計壽命並存在一定腐蝕的齊魯石化公司橡膠廠丁二烯萃取精餾塔的超期股役安全性進行了分析與評定。Glycol was the fit solvent. one set of extractive experiment equipment with continuously feed was designed and established to validate the extractive distillation and extractive distillation with salt. good results of the two technology processes and the extractive solvent recycling experiment were gained respectively
本文還設計安裝了一套實驗室連續進料萃取裝置進行工藝的驗證實驗，對萃取精餾和加鹽萃取精餾工藝流程分別進行了驗證，並對萃取劑的回收利用進行了實驗，取得了良好的效果。Therefore, a novel optimization method for calculating the effective interfacial area is developed for two and three - phase distillations
由此，本文提出了一種兩相和三相精餾過程有效相接觸面積優化計算方法。The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible
該體系具有高度非理想性，氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型，採用切平面判據法對進入分層器中的液相進行液相穩定性測試，提供液液相分離計算的初值，再結合牛頓拉夫森迭代法運算求得相分割系數，根據物料衡算求出各相組成，循環迭代可求得分層各組分數據，共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。The simulation of air distillation tower by using improved model of distillation tower
改進精餾塔模型用於空分塔模擬計算The results indicate that the position of sensitive plates is located at the section of middle or upper in tower but not near by feeding plate, and the smaller reflux ratio, the closer overhead of distillation tower. accurate calculation for flash is solved using matlab, and the result is correct and reasonable. complicated multi - components distillation and crude distillation are simulated using chemcad, and results are reasonable about profiles of flow for vapor and liquid as well as temperature in the tower
數值分析的結果表明精餾塔靈敏板位置並不在進料板附近，而是位於精餾段的中上部，且迴流比愈小，愈靠近塔頂;利用matlab實現了蒸餾過程的嚴格計算，與參考值比較，結果正確、合理;藉助于chemcad進行常減壓塔的穩態模擬計算，得出了流量和溫度在塔內的分佈，經過理論分析，結果合理，可為實際生產提供參考。In order to solve the problems effectively, under the auspices of 863 plan in china, the synthesis diagnosis has been carried by means of measuring and numerical imitating the combustion chamber of refining column, and some conclusions is such as : ( 1 ) through measuring the temperature and combustion in the burning chamber of the refining column, the result shows the temperature difference on the same level is more than that in height direction, and there is a few of co in bottom of burning chamber. ( 2 ) in order to ensure normal work of flue system in lead column in the course of zinc refining, theoretic calculation and measure about the flow resistance of exhaust gas are carried through. the results of study reveal that drawing out force of chimney is inadequate, which is mainly caused by illogicality of flue construction
在研究過程中，採取了現場實測和數值模擬手段對韶關冶煉廠鋅精餾鉛塔燃燒室及排煙系統進行了綜合診斷，具體結果包括如下： （ 1 ）完成鋅精餾鉛塔燃燒室內溫度測試以及燃燒狀況的測試，結果發現：鉛塔燃燒室內水平方向的煙氣溫度並非均勻，而且其溫差比上下方向的溫差更大，以及鉛塔燃燒室尾部存在co未燃燼問題； （ 2 ）為了保證鉛塔煙氣系統的正常工作，對煙道系統的阻力進行了理論計算及測試分析，結果發現：鋅精餾鉛塔煙氣系統中煙囪抽力不夠，這主要是煙道結構不合理所造成的。The equilibrium model is characterized by the murphree efficiency or height of equivalent to a theoretical plate ( hetp ) value since a tray is generally not working like an equilibrium stage
實際精餾過程往往很難真正達到汽液平衡狀態，因此murphree板效率和等板高度概念常用於修正平衡模型計算中的非理想特性。Some of problems in distillation technology process are studied using excel, matlab and chemcad. they are distillation with simple balance, determining accurately the position of sensitive plates in distillation tower, distillation of multi - components, and crude distillation at steady state. this paper shows how to solve bubble & dew points for binary ideal system and five cases of flash by means of excel and analizes reducing pressure affects on phase equilibrium as an example of distillation and separation ethyl benzene & phenyl ethylene below atmosphere
基於excel 、 matlab和chemcad軟體，對蒸餾過程中的簡單平衡蒸餾、精餾塔靈敏板位置確定方法、多組分精餾等進行了數值計算與定量研究，對原油煉制常減壓塔進行了初步的穩態模擬，實現了用excel求解雙組分理想體系的泡、露點問題和閃蒸計算的五種情況，並分析了減壓對其相平衡的影響。Results of calculation indicate that the bubble & dew points may be reduced extremely, but the relative volatility rises slightly and the separation of them is affected hardly by decreasing pressure. and this article puts forward more reasonable modifying suggestions after analyzing numerically in detail the common method of determining the position of sensitive plate in distillation tower and finds out something unsatisfactory about it
計算結果表明，減壓可大大降低乙苯?苯乙烯物系的泡、露點，但相對揮發度增加甚微，對其分離的難易程度幾乎無影響;對常用求取精餾塔靈敏板位置的方法進行了詳盡的數值分析，對其不合理性提出了改進措施。Application of the combined experiment design method to ethanol - water system has shown it ' s able to use for determination of the appropriate conditions for salt effect in extractive distillation with salt of binary close boiling or azeotropic mixtures
聯合試驗設計法在乙醇-水體系的應用表明：該法可用於二元共沸、近沸體系的加鹽萃取精餾過程中鹽效應適宜條件的確定。Meanwhile, the most difficult task for simulation and optimization of heterogeneous distillations is to determine whether the liquid phase is stable in column stages or packing sections, which is also one of the focuses of this dissertation. in this dissertation, a three - phase nonequilibrium model for packed column distillations is developed
在三相共沸精餾過程建模模擬和優化計算中，由於兩個液相可能同時出現，判斷液相穩定性問題已成為了一個三相精餾過程計算的瓶頸問題，這也是本文的研究重點之一。The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower
摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況，討論了氣速、液氣比等操作條件，表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響，探討了第二液相的存在對傳質的影響，文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。Application of unifac method to the mathematic simulatio n distillation of methanol
法在甲醇精餾過程模擬計算中的應用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 rig was designed on the basis of thermodynamic analysis. some factors, including mixture composition, cycle compression ratio and suction ratio of circumfluence fluid of the rectifying column, are analyzed of their impacts on coefficient of performance
在對新循環進行了熱力學分析的基礎上，設計了自動復疊製冷循環實驗臺，分析了循環工質配比、循環壓比及精餾柱迴流液的抽取率對循環系統cop的影響。Abstract : the nr - bp methed was wsed for the si mulated calculation of cryogenic purifier distillation. the results of calculatio n showed that this method possessed the advantages of low initial estimate value s ， rapid and steady convergence and so on, and were in good agreement with the d es ign values of referance
文摘:採用新鬆弛法（ nr ）與泡點法（ bp ）結合對深冷凈化精餾塔進行了模擬計算.計算結果表明，該法具有初值要求不高、收斂穩定、收斂速度快等優點，並與文獻設計值吻合很好A continuous distillation technique is exploited for production of p - tert - butylphenol by means of simulation and design of process by which the mixture of tert - butylphenol can be separated
摘要通過對混合叔丁基苯酚分離過程的模擬計算與設計，開發出了對叔丁基苯酚的連續精餾技術。分享友人