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    • 1. 发明申请
    • CONTINUOUS SLURRY POLYMERIZATION VOLATILE REMOVAL
    • 连续浆液聚合挥发性去除
    • WO2003040197A1
    • 2003-05-15
    • PCT/US2001/043971
    • 2001-11-06
    • EXXONMOBIL CHEMICAL PATENTS INC.KENDRICK, James, A.TOWLES, Thomas, W.ROGER, Scott, T.
    • KENDRICK, James, A.TOWLES, Thomas, W.ROGER, Scott, T.
    • C08F6/00
    • B01J19/1837B01J8/0015B01J8/005B01J2208/00761B01J2219/00006B01J2219/00033B01J2219/00114C08F6/003
    • A process/apparatus is disclosed for continuously separating a liquid medium comprising diluent and unreacted monomers from a polymerization effluent comprising diluent, unreacted monomers and polymer solids, comprising a continuous discharge of the polymerization effluent from a slurry reactor through a discharge valve and transfer conduit into a first intermediate pressure flash tank with a conical bottom defined by substantially straight sides inclined at an angle to that of horizontal equal to or greater than the angle of slide of the slurry/polymer solids and an exit seal chamber of such diameter (d) and length (1) as to maintain a desired volume of concentrated polymer solids/slurry in the exit seal chamber such as to form a pressure seal while continuously discharging a plug flow of concentrated polymer solids/slurry bottom product of the first flash tank from the exit seal chamber through a seal chamber exit reducer with inclined sides defined by substantially straight sides inclined at an angle to that of horizontal equal to or greater than the angle of slide of the polymer solids which remain after removal of about 50 to 100 % of the inert diluent therefrom to a second flash tank at a lower pressure.
    • 公开了一种用于从包含稀释剂,未反应单体和聚合物固体的聚合流出物连续分离包含稀释剂和未反应单体的液体介质的方法/装置,其包括通过排放阀将淤浆反应器的聚合流出物连续排出并将传输导管 具有锥形底部的第一中间压力闪蒸罐,该锥形底部由基本上直的侧面倾斜的水平面倾斜,该水平面等于或大于浆料/聚合物固体的滑动角度以及直径(d)的出口密封室, 长度(1)以便在出口密封室中保持所需体积的浓缩聚合物固体/浆料,以便形成压力密封,同时连续地将第一闪蒸罐的浓缩聚合物固体/浆料底部产物的塞流从出口 密封室通过密封室出口减速器,斜面大致直线形成 以等于或大于在较低压力下将约50至100%的惰性稀释剂从其中除去至第二闪蒸罐后残留的聚合物固体的滑动角度等于或大于水平的角度。
    • 3. 发明申请
    • CONTINUOUS SLURRY POLYMERIZATION PROCESS USING A LOOP REACTOR
    • 使用循环反应器的连续浆液聚合方法
    • WO2003070365A1
    • 2003-08-28
    • PCT/US2002/004519
    • 2002-02-19
    • EXXONMOBIL CHEMICAL PATENTS INC.KENDRICK, James, A.TOWLES, Thomas, W.ROGER, Scott, T.
    • KENDRICK, James, A.TOWLES, Thomas, W.ROGER, Scott, T.
    • B01J19/18
    • C08F6/003B01B1/005B01D3/06B01J4/001B01J19/1837B01J2219/00006B01J2219/002B01J2219/00213B01J2219/00231C08F110/02C08F210/16C08F210/14
    • A process/apparatus is disclosed for continuously separating a liquid medium comprising diluent and unreacted monomers from a polymerization effluent comprising diluent, unreacted monomers and polymer solids, comprising a continuous discharge of the polymerization effluent from a slurry reactor through a discharge valve and transfer conduit into a first intermediate pressure flash tank with a conical bottom defined by substantially straight sides inclined at an angle to that of horizontal equal to or greater than the angle of slide of the slurry/polymer solids and an exit seal chamber of such diameter (d) and length (1) as to maintain a desired volume of concentrated polymer solids/slurry in the exit seal chamber such as to form a pressure seal while continuously discharging a plug flow of concentrated polymer solids/slurry bottom product of the first flash tank from the exit seal chamber through a seal chamber exit reducer with inclined sides defined by substantially straight sides inclined at angle to that of horizontal equal to or greater than the angle of slide of the polymer solids which remain after removal of about 50 to 100 % of the inert diluent therefrom to a second flash tank at a lower pressure.
    • 公开了一种用于从包含稀释剂,未反应单体和聚合物固体的聚合流出物连续分离包含稀释剂和未反应单体的液体介质的方法/装置,其包括通过排放阀将淤浆反应器的聚合流出物连续排出并将传输导管 具有锥形底部的第一中间压力闪蒸罐,该锥形底部由基本上直的侧面倾斜的水平面倾斜,该水平面等于或大于浆料/聚合物固体的滑动角度以及直径(d)的出口密封室, 长度(1)以便在出口密封室中保持所需体积的浓缩聚合物固体/浆料,以便形成压力密封,同时连续地将第一闪蒸罐的浓缩聚合物固体/浆料底部产物的塞流从出口 密封室通过密封室出口减速器,斜面大致直线形成 以等于或大于在较低压力下将约50至100%的惰性稀释剂从其移除到第二闪蒸罐后剩余的聚合物固体的滑动角度等于或大于水平的角度。