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首頁 > 技術與支持 > 汽提精餾塔的結構特點及應用

汽提精餾塔的結構特點及應用

點擊次數:1791 發布時間:2019-01-16

        汽提塔·是采用往塔內噴少量過熱水蒸汽,來降低油晶的沸點的方法。因水和油是互不相溶的,塔內的壓力等于水蒸汽的分壓加油氣的分壓之和。在塔內總壓力保持一定的情況下,向塔內吹;入過熱水蒸汽就降低了油氣的分壓,油晶就可在較低溫度下汽化。通水蒸汽的另一個作用是加強攪拌,使水蒸汽和油氣充分接觸,增大氣化表面,以便低沸點油晶很好氣化出來。汽提塔將主塔側線餾分中夾帶的低沸點油晶氣化出來,返.回主塔內。

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