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化工原理課程設(shè)計心得[大全]-資料下載頁

2024-10-21 23:54本頁面
  

【正文】 質(zhì)量分數(shù)為 20%的苯甲苯溶液,使塔頂產(chǎn)品苯的質(zhì)量分數(shù)達到 95%,塔 底釜液質(zhì)量分數(shù)為 2%。綜合工藝操作方便、經(jīng)濟及安全等多方面考慮,本設(shè)計采用了篩板塔對苯甲苯進行分 離提純,塔板為碳鋼材料,按照逐板計算求得理論板數(shù)為 12。根據(jù)經(jīng)驗式算得全塔效率為 。塔頂使用全凝器,部分回流。精餾段實際板數(shù)為 10,提餾段實際板數(shù)為 13。實際 加料位置在第 11 塊板。精餾段彈性操作為 ,提餾段彈性操作為 。塔徑為 。通過板壓降、漏液、液泛、液沫夾帶的流體力學驗算,均在安全操作范圍內(nèi)。確定了操作 點符合操作要求。關(guān)鍵詞:苯甲苯;精餾;負荷性能圖;精餾塔設(shè)備結(jié)構(gòu)I化工原理課程設(shè)計Abstract This design is in two yuan of the distillation analysis, selection, calculation, calculation and drawing, is a plete distillation design tower was process design, including its auxiliary equipment and import and export pipeline calculation, draw plate load performance diagram, and the design results are design of the sieve plate tower is the chemical industry in the production of gasliquid mass transfer design of rectifying device prises a distillation column reboiler, condenser and other equipment, heat from the reactor input, material in the column after repeated partial gasification and partial condensation distillation separation by top product condenser cooling medium to heat design of distillation column and its feed preheating design, separation and mass fraction of 20% benzeneII化工原理課程設(shè)計 前 言 課程設(shè)計是化工原理課程的一個非
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