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- Control reflux rate of rectification column. 控制精餾塔回流比,保持流量穩定。
- The results of simulating calculation showed that using middle reboiler in propylene rectification column could reduce project investment and operation cost. 通過(guò)模擬計算,對丙烯精餾塔增設中間重沸器可以降低工程投資,減少操作費用進(jìn)行了探討。
- By means of analog calculation on wash oil distillation system, the main process design parameters of primary distillation column and rectification column are defined. 通過(guò)對洗油蒸餾裝置的模擬計算,確定了初餾塔和精餾塔的主要工藝設計參數。
- This paper introduced briefly developing trend of propylene rectification technology in gas separating unit and analyzed theoretically the middle reboiler used in propylene rectification column. 簡(jiǎn)述了氣分裝置丙烯精餾技術(shù)的發(fā)展趨勢,對丙烯精餾塔增設中間重沸器進(jìn)行了理論分析。
- Keywords finery;liquation fine;rectification column; 精煉爐;熔析精煉;精餾塔;
- Accumulation and Vent of Non-condensible Gases in Rectification Column 精餾塔中不凝氣積聚與放空
- Seeking for sensitive tray of the rectification column with steady simulation 穩態(tài)模擬確定精餾塔的靈敏板
- The letter was written on a single sheet of paper. 這封信只用一張紙寫(xiě)成。
- Purification process of propane distillate oil, the bottom product of propylene rectifying column in the Ethylene Works of PetroChina Liaoyang Petrochemical Company, is introduced. 介紹了中國石油遼陽(yáng)石化分公司乙烯廠(chǎng)丙烯精餾塔塔底油-丙烷餾分油的精制工藝。
- One single, second class, to winchester, please. 買(mǎi)一張去溫撤斯特單程二等票。
- He got over the stream with a single leap. 他一躍就跳過(guò)了小溪。
- The bridge crosses the river in a single span. 河上那座橋是單跨橋。
- Do you want a single or a return ticket? 你要單程票還是往返票?
- Is the material single width or double width? 這幅料子是單幅的還是雙幅的？
- I have had to work for every single penny I earned. 我掙的每一便士都是辛苦工作得來(lái)的。
- The huntsman fired a single shot at the lion and settled its hash. 獵人朝那只獅子開(kāi)了一槍?zhuān)阉蛩懒恕?/li>
- Five twenties and ten single, please. 請給我5張20元的和10張1元的。
- She wore a single orchid on her evening dress. 她在晚禮服上綴著(zhù)一朵蘭花。
- The Discussion of Rectifying Column Optimal Control 精餾塔分級最優(yōu)控制的探討
- Welding of deoxidised copper rectifying column 脫氧銅精餾塔焊接
