-
公开(公告)号：US06858682B2
公开(公告)日：2005-02-22
申请号：US10260010
申请日：2003-03-11
IPC分类号： B01D3/06 , B01J8/00 , B01J8/20 , B01J8/38 , B01J19/00 , B01J19/18 , B01J19/24 , C08F2/00 , C08F6/00 , C08F10/00 , C08F210/16
CPC分类号： B01D3/06 , B01J8/003 , B01J8/005 , B01J8/0055 , B01J8/007 , B01J8/382 , B01J19/0053 , B01J19/1837 , B01J2208/0007 , B01J2208/00539 , B01J2208/00761 , B01J2208/00769 , B01J2208/00867 , B01J2219/00006 , B01J2219/00033 , B01J2219/00103 , B01J2219/00114 , B01J2219/00162 , B01J2219/00164 , B01J2219/00191 , B01J2219/002 , B01J2219/00213 , B01J2219/00231 , B01J2219/00236 , B01J2219/0024 , C08F2/00 , C08F6/003 , C08F10/00 , C08F210/16 , C08F2/14 , C08F210/14
摘要： 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 (l) 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 said 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.
摘要翻译： 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（l），以便在出口密封室中保持所需体积的浓缩的聚合物固体/浆料，以便形成压力密封，同时连续地将所述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，斜面由基本上直的侧面i定义 以等于或大于在约50至100％的惰性稀释剂从其中移除至较低压力的第二闪蒸罐后保留的聚合物固体的滑动角度等于或大于水平角的角度倾斜。
-
公开(公告)号：US06833415B2
公开(公告)日：2004-12-21
申请号：US10079226
申请日：2002-02-19
IPC分类号： C08F200
CPC分类号： B01D3/06 , B01J8/003 , B01J8/005 , B01J8/0055 , B01J8/007 , B01J8/382 , B01J19/0053 , B01J19/1837 , B01J2208/0007 , B01J2208/00539 , B01J2208/00761 , B01J2208/00769 , B01J2208/00867 , B01J2219/00006 , B01J2219/00033 , B01J2219/00103 , B01J2219/00114 , B01J2219/00162 , B01J2219/00164 , B01J2219/00191 , B01J2219/002 , B01J2219/00213 , B01J2219/00231 , B01J2219/00236 , B01J2219/0024 , C08F2/00 , C08F6/003 , C08F10/00 , C08F210/16 , C08F2/14 , C08F210/14
摘要： 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 (l) 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.
摘要翻译： 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（l）以在出口密封室中保持所需体积的浓缩聚合物固体/浆料，以形成压力密封，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。
-
公开(公告)号：US06319997B1
公开(公告)日：2001-11-20
申请号：US09679959
申请日：2000-10-05
IPC分类号： C08F200
CPC分类号： B01J19/1837 , B01D3/06 , B01J8/003 , B01J8/0055 , B01J8/007 , B01J8/382 , B01J19/0053 , B01J2208/0007 , B01J2208/00539 , B01J2208/00761 , B01J2208/00769 , B01J2208/00867 , B01J2219/00006 , B01J2219/00033 , B01J2219/00103 , B01J2219/00114 , B01J2219/00162 , B01J2219/00164 , B01J2219/00191 , B01J2219/002 , B01J2219/00213 , B01J2219/00231 , B01J2219/00236 , B01J2219/0024 , C08F2/00 , C08F6/003 , C08F10/00 , C08F210/16 , C08F2/14 , C08F210/14
摘要： 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 (l) 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 said 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(公告)号：US06204344B1
公开(公告)日：2001-03-20
申请号：US09313818
申请日：1999-05-18
IPC分类号： C08F200
CPC分类号： B01J19/1837 , B01D3/06 , B01J8/003 , B01J8/0055 , B01J8/007 , B01J8/382 , B01J19/0053 , B01J2208/0007 , B01J2208/00539 , B01J2208/00761 , B01J2208/00769 , B01J2208/00867 , B01J2219/00006 , B01J2219/00033 , B01J2219/00103 , B01J2219/00114 , B01J2219/00162 , B01J2219/00164 , B01J2219/00191 , B01J2219/002 , B01J2219/00213 , B01J2219/00231 , B01J2219/00236 , B01J2219/0024 , C08F2/00 , C08F6/003 , C08F10/00 , C08F210/16 , C08F2/14 , C08F210/14
摘要： 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 (l) 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 said 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.
摘要翻译： 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（l），以便在出口密封室中保持所需体积的浓缩的聚合物固体/浆料，以便形成压力密封，同时连续地将所述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，斜面由基本上直的侧面i定义 以等于或大于在约50至100％的惰性稀释剂从其中移除至较低压力的第二闪蒸罐后保留的聚合物固体的滑动角度等于或大于水平角的角度倾斜。
-
公开(公告)号：US20100317812A1
公开(公告)日：2010-12-16
申请号：US12483057
申请日：2009-06-11
申请人： Thomas W. Towles
发明人： Thomas W. Towles
CPC分类号： C08F10/00 , B01J19/002 , B01J19/1837 , B01J2219/00247 , C08F6/02 , C08F110/02 , C08L23/00 , C08F2/002 , C08F2/42 , C08F2500/07 , C08F2500/12
摘要： Provided herein is a method for operating a slurry polymerization reaction system to reduce, inhibit, and/or prevent fouling in the polymer recovery and separation apparatus, including one or more portions of a high pressure flash tank. The method generally comprises polymerizing a monomer feed in a slurry polymerization reactor in the presence of catalyst and diluent to produce a polymerization effluent; continuously discharging at least a portion of said polymerization effluent from the reactor through a discharge valve; combining a catalyst poison stream with the polymerization effluent downstream of said discharge valve, wherein the catalyst poison stream comprises a catalyst poison that is a gas at standard conditions; and flashing the combination of polymerization effluent and catalyst poison stream in a first flash tank.
摘要翻译： 本文提供了一种操作淤浆聚合反应系统以减少，抑制和/或防止聚合物回收和分离设备（包括高压闪蒸罐的一个或多个部分）中的结垢的方法。 该方法通常包括在催化剂和稀释剂的存在下在淤浆聚合反应器中聚合单体进料以产生聚合流出物; 连续地将来自反应器的至少一部分聚合流出物排出排出阀; 将催化剂毒物流与所述排放阀下游的聚合流出物混合，其中所述催化剂毒物流包含在标准条件下为气体的催化剂毒物; 并在第一个闪蒸罐中闪烁聚合流出物和催化剂毒物流的组合。
-
公开(公告)号：US06926868B2
公开(公告)日：2005-08-09
申请号：US09992590
申请日：2001-11-06
IPC分类号： B01D3/06 , B01J8/00 , B01J8/20 , B01J8/38 , B01J19/00 , B01J19/18 , B01J19/24 , C08F2/00 , C08F6/00 , C08F10/00 , C08F210/16 , B01J8/08
CPC分类号： B01D3/06 , B01J8/003 , B01J8/005 , B01J8/0055 , B01J8/007 , B01J8/382 , B01J19/0053 , B01J19/1837 , B01J2208/0007 , B01J2208/00539 , B01J2208/00761 , B01J2208/00769 , B01J2208/00867 , B01J2219/00006 , B01J2219/00033 , B01J2219/00103 , B01J2219/00114 , B01J2219/00162 , B01J2219/00164 , B01J2219/00191 , B01J2219/002 , B01J2219/00213 , B01J2219/00231 , B01J2219/00236 , B01J2219/0024 , C08F2/00 , C08F6/003 , C08F10/00 , C08F210/16 , C08F2/14 , C08F210/14
摘要： A process/apparatus is disclosed for continuously separating a liquid medium comprising diluent and unreacted monomers from a polymerization effluent of a slurry loop reactor containing a flow of slurry therein, comprising a discharge conduit extending a distance into the loop reactor; the conduit having a longitudinal axis and an opening inside the loop reactor; at least a portion of the conduit being curved along its longitudinal axis inside the loop reactor; and the opening substantially facing the flow of the slurry, wherein the discharge conduit is located within a lower leg of the loop reactor such that 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 wherein volatile inert diluent and unreacted monomers are removed and 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.
摘要翻译： 公开了一种用于连续分离包含稀释剂和未反应单体的液体介质的流体/设备，所述液体介质包含其中含有浆料流的淤浆环流反应器的聚合流出物，所述淤浆环流反应器包括延伸一段距离进入环管反应器的排放管道; 导管具有纵向轴线和环形反应器内部的开口; 导管的至少一部分沿其纵向轴线在环形反应器内弯曲; 并且所述开口基本上面向所述浆料的流动，其中所述排出导管位于所述环管反应器的小腿内，使得将来自浆料反应器的聚合流出物通过排出阀和输送管道连续排放到第一中间压力 闪蒸罐，其中挥发性惰性稀释剂和未反应单体被除去，而在将约50至100％的惰性稀释剂从其中移除到第二闪蒸罐中的较低压力下保留的聚合物固体。
-
公开(公告)号：US06800698B2
公开(公告)日：2004-10-05
申请号：US10260011
申请日：2003-03-11
IPC分类号： C08F200
CPC分类号： B01D3/06 , B01J8/003 , B01J8/005 , B01J8/0055 , B01J8/007 , B01J8/20 , B01J8/382 , B01J19/0053 , B01J19/1837 , B01J2208/0007 , B01J2208/00539 , B01J2208/00761 , B01J2208/00769 , B01J2208/00867 , B01J2219/00006 , B01J2219/00033 , B01J2219/00103 , B01J2219/00114 , B01J2219/00162 , B01J2219/00164 , B01J2219/00191 , B01J2219/002 , B01J2219/00213 , B01J2219/00231 , B01J2219/00236 , B01J2219/0024 , C08F2/00 , C08F6/003 , C08F10/00 , C08F210/16 , C08F2/14 , C08F210/14
摘要： 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 (l) 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.
摘要翻译： 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（l）以在出口密封室中保持所需体积的浓缩聚合物固体/浆料，以形成压力密封，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。
-
公开(公告)号：US20080234449A1
公开(公告)日：2008-09-25
申请号：US12113689
申请日：2008-05-01
IPC分类号： C08F4/22
CPC分类号： B01J38/30 , B01J21/063 , B01J23/26 , B01J23/92 , B01J38/02 , C08F210/16 , Y02P20/584 , C08F4/16 , C08F4/24 , C08F210/14 , C08F2500/07 , C08F2500/12 , C08F2500/13 , C08F2500/01 , C08F2500/26
摘要： The present invention relates to the removal of hydrocarbon residues from a catalyst and more specifically the air activation of a catalyst containing hydrocarbon residues. It also relates to extruded pipe and utility conduit resins comprising polyethylene, household/industrial chemicals container resins, and to a polyethylene resin particularly suitable for large parts by blow molding and sheet extrusion procedures, wherein the resin is made by a process using an activated chromium and titanium-based catalyst.
摘要翻译： 本发明涉及从催化剂中除去烃残余物，更具体地说，涉及含有烃残基的催化剂的空气活化。 它还涉及包括聚乙烯，家用/工业化学品容器树脂的挤出管和实用导管树脂，以及特别适用于通过吹塑和片材挤出方法的大型部件的聚乙烯树脂，其中所述树脂通过使用活化铬 和钛基催化剂。
-
公开(公告)号：US07381777B1
公开(公告)日：2008-06-03
申请号：US11711453
申请日：2007-02-26
CPC分类号： C08F10/02 , C08F210/16 , C08F2400/02 , C08F2/40 , C08F2/005 , C08F2/14 , C08F210/14 , C08F2500/12
摘要： The present invention relates to methods for controlling fouling in the reaction zone of slurry-type olefin polymerization reactors by measuring a process operating parameter and by responding to said process operating parameter, e.g., by introducing a gaseous poison for the polymerization catalyst in response to a comparison between said measured parameter and a fouling parameter limit for said measured parameter.
摘要翻译： 本发明涉及通过测量工艺操作参数和响应所述工艺操作参数来控制浆料型烯烃聚合反应器的反应区域中的结垢的方法，例如通过引入用于聚合催化剂的气体毒物以响应于 所述测量参数与所述测量参数的污垢参数极限之间的比较。
-
公开(公告)号：US07691955B2
公开(公告)日：2010-04-06
申请号：US12113689
申请日：2008-05-01
CPC分类号： B01J38/30 , B01J21/063 , B01J23/26 , B01J23/92 , B01J38/02 , C08F210/16 , Y02P20/584 , C08F4/16 , C08F4/24 , C08F210/14 , C08F2500/07 , C08F2500/12 , C08F2500/13 , C08F2500/01 , C08F2500/26
摘要： The present invention relates to the removal of hydrocarbon residues from a catalyst and more specifically the air activation of a catalyst containing hydrocarbon residues. It also relates to extruded pipe and utility conduit resins comprising polyethylene, household/industrial chemicals container resins, and to a polyethylene resin particularly suitable for large parts by blow molding and sheet extrusion procedures, wherein the resin is made by a process using an activated chromium and titanium-based catalyst.
摘要翻译： 本发明涉及从催化剂中除去烃残余物，更具体地说，涉及含有烃残基的催化剂的空气活化。 它还涉及包括聚乙烯，家用/工业化学品容器树脂的挤出管和实用导管树脂，以及特别适用于通过吹塑和片材挤出方法的大型部件的聚乙烯树脂，其中所述树脂通过使用活化铬 和钛基催化剂。
-
-
-
-
-
-
-
-
-
搜索结果
16 条记录 (耗时 0.029 秒)