Process and apparatus for the polymerisation of olefins
    3.
    发明授权
    Process and apparatus for the polymerisation of olefins 有权
    用于烯烃聚合的方法和设备

    公开(公告)号:US09394382B2

    公开(公告)日:2016-07-19

    申请号:US13988794

    申请日:2011-12-14

    摘要: Process for gas phase polymerization of olefins in a fluidized bed reactor by (a) passing a fluidizing gas containing at least one olefin monomer through a fluidized bed of polymer particles in the presence of a polymerization catalyst to produce polymer at a polymer production rate of C Tonnes/hour, (b) withdrawing a first gaseous stream containing solid particles from the top of the reactor, (c) passing the first gaseous stream to a gas/solids separator, separating solid particles therefrom, and forming a second gaseous stream containing residual solid particles, (d) passing a portion of the second gaseous stream to at least one heat exchanger to remove heat of reaction whereby residual solid particles contact the heat exchanger, and (e) recycling a portion of the cooled stream from step (d) as the fluidizing gas in step (a). The heat exchangers have a heat exchange surface area which totals less than 120×C m2.

    摘要翻译: 在流化床反应器中通过(a)在聚合催化剂存在下使包含至少一种烯烃单体的流化气体通过聚合物颗粒的流化床将烯烃气相聚合的方法以聚合物生产速率C 吨/小时,(b)从反应器顶部排出含有固体颗粒的第一气态流,(c)将第一气流送至气体/固体分离器,从其中分离固体颗粒,并形成含有残留物的第二气流 固体颗粒,(d)将第二气流的一部分通入至少一个热交换器以除去反应热,由此残留的固体颗粒接触热交换器,和(e)将来自步骤(d)的冷却流的一部分再循环, 作为步骤(a)中的流化气体。 热交换器的热交换面积总计小于120×Cm2。

    Polymer powder storage and/or transport and/or degassing vessels
    4.
    发明授权
    Polymer powder storage and/or transport and/or degassing vessels 有权
    聚合物粉末储存和/或运输和/或脱气容器

    公开(公告)号:US08497346B2

    公开(公告)日:2013-07-30

    申请号:US13518545

    申请日:2010-12-24

    IPC分类号: C08G64/00 C08G63/02

    摘要: Polymer powder vessel having a silo including a main vertical cylinder and a hopper at the bottom of the cylinder, a polymer powder which occupies the full volume of the hopper and at least a part of the volume of the cylinder, a polymer powder silo inlet pipe connected to the silo at a height located above the polymer powder, and a polymer hopper withdrawal pipe is also connected to the hopper. The polymer powder hopper withdrawal pipe is also connected to the silo at a location above the polymer powder for recirculating a part of the polymer powder within the silo.

    摘要翻译: 聚合物粉末容器,其具有筒体底部包括主垂直圆筒和料斗的料仓,占据料斗全部容积和圆筒体积的至少一部分的聚合物粉末,聚合物粉仓料入口管 在位于聚合物粉末上方的高度处连接到料仓,并且聚合物料斗取出管也连接到料斗。 聚合物粉末料斗取出管也在聚合物粉末上方的一个位置连接到料仓,用于将一部分聚合物粉末再循环到料仓内。

    PROCESS AND APPARATUS FOR THE POLYMERISATION OF OLEFINS
    5.
    发明申请
    PROCESS AND APPARATUS FOR THE POLYMERISATION OF OLEFINS 有权
    烯烃聚合的方法和装置

    公开(公告)号:US20130253148A1

    公开(公告)日:2013-09-26

    申请号:US13988794

    申请日:2011-12-14

    IPC分类号: C08F2/34

    摘要: The present invention relates to a process for the gas-phase polymerisation of olefins in a fluidised bed reactor, which process comprises: a) passing a fluidising gas comprising one or more olefin monomers through a fluidised bed of polymer particles in the presence of a polymerisation catalyst, b) withdrawing a first gaseous stream comprising solid particles from the top of the reactor, c) passing the first gaseous stream to a gas/solids separator, separating solid particles therefrom, and forming a second gaseous stream comprising residual solid particles, d) passing at least a portion of the second gaseous stream to one or more heat exchangers to remove the heat of reaction, and e) recycling at least a portion of the cooled stream from step (d) as the fluidising gas in step (a), characterised in that the rate of fouling of the one or more heat exchangers is such that i) the increase in pressure drop across the heat exchangers is equivalent to less than 5% per year, and/or ii) the decrease in heat transfer of the heat exchangers is equivalent to less than 5% per year.

    摘要翻译: 本发明涉及在流化床反应器中烯烃气相聚合的方法,该方法包括:a)在聚合反应存在下使包含一种或多种烯烃单体的流化气体通过聚合物颗粒的流化床 催化剂,b)从反应器顶部排出包含固体颗粒的第一气流,c)将第一气流送至气/固分离器,从其中分离固体颗粒,形成包含残留固体颗粒的第二气流 )将至少一部分第二气流引导至一个或多个热交换器以除去反应热,以及e)将步骤(d)中的冷却流的至少一部分循环为步骤(a)中的流化气体, 其特征在于,所述一个或多个热交换器的结垢速率使得i)所述热交换器上的压降的增加等于每年小于5%,和/或ii)所述d 热交换器的热传递相当于每年少于5%。

    Apparatus and process for gas phase fluidised bed polymerisation reaction
    7.
    发明授权
    Apparatus and process for gas phase fluidised bed polymerisation reaction 有权
    气相流化床聚合反应的装置和方法

    公开(公告)号:US08314198B2

    公开(公告)日:2012-11-20

    申请号:US12737911

    申请日:2009-09-21

    IPC分类号: C08F2/01 B01J19/00

    摘要: The present invention relates to an apparatus and a process for polymerization, and, in particular, provides an apparatus for gas phase fluidised bed polymerization of olefins, which apparatus comprises: A) a first section which is an upright cylindrical section having a diameter, D1, and cross-sectional area, A1, and B) a second section, provided vertically above the first section and centered about a common vertical axis to the upright cylindrical first section, the base of the second section having a cylindrical cross-section of diameter D1 and being joined to the top of the first section, and the horizontal cross-sectional area of the second section above its base being greater than the cross-sectional area of the first section, characterized in that: i) D1 is greater than 4.5 meters, and ii) the second section has a maximum horizontal cross-sectional area, A2, which is between 3.2 and 6 times the cross-sectional area, A1, of the first section.

    摘要翻译: 本发明涉及一种用于聚合的装置和方法,并且特别地提供了一种用于烯烃气相流化床聚合的装置,该装置包括:A)第一部分,其是直径为D1 和横截面积A1和B)第二部分,其垂直设置在第一部分上方并且围绕垂直圆柱形第一部分的共同垂直轴线居中,第二部分的基部具有圆柱形截面的直径 D1并且连接到第一部分的顶部,并且第二部分在其基部之上的水平横截面面积大于第一部分的横截面面积,其特征在于:i)D1大于4.5 米,并且ii)第二部分具有最大横截面积A2,其在第一部分的横截面积A1的3.2和6倍之间。

    APPARATUS AND PROCESS FOR GAS PHASE FLUIDISED BED POLYMERISATION REACTION
    8.
    发明申请
    APPARATUS AND PROCESS FOR GAS PHASE FLUIDISED BED POLYMERISATION REACTION 有权
    气相流化床聚合反应的装置和方法

    公开(公告)号:US20110152489A1

    公开(公告)日:2011-06-23

    申请号:US12737911

    申请日:2009-09-21

    IPC分类号: C08F2/01 B01J19/00

    摘要: The present invention relates to an apparatus and a process for polymerisation, and, in particular, provides an apparatus for gas phase fluidised bed polymerisation of olefins, which apparatus comprises: A) a first section which is an upright cylindrical section having a diameter, D1, and cross-sectional area, A1, and B) a second section, provided vertically above the first section and centred about a common vertical axis to the upright cylindrical first section, the base of the second section having a cylindrical cross-section of diameter D1 and being joined to the top of the first section, and the horizontal cross-sectional area of the second section above its base being greater than the cross-sectional area of the first section, characterised in that: i) D1 is greater than 4.5 metres, and ii) the second section has a maximum horizontal cross-sectional area, A2, which is between 3.2 and 6 times the cross-sectional area, A1, of the first section.

    摘要翻译: 本发明涉及一种用于聚合的装置和方法,并且特别地提供了一种用于烯烃的气相流化床聚合的装置,该装置包括:A)第一部分,其是具有直径D1的直立圆柱形部分 和横截面积A1和B)第二部分,其垂直设置在第一部分上方并且围绕垂直圆柱形第一部分的共同垂直轴线居中,第二部分的基部具有圆柱形截面的直径 D1并且连接到第一部分的顶部,并且第二部分在其基部之上的水平横截面面积大于第一部分的横截面面积,其特征在于:i)D1大于4.5 米,并且ii)第二部分具有最大横截面积A2,其在第一部分的横截面积A1的3.2和6倍之间。

    Apparatus and process for the polymerisation of olefins
    9.
    发明授权
    Apparatus and process for the polymerisation of olefins 有权
    用于烯烃聚合的装置和方法

    公开(公告)号:US08765885B2

    公开(公告)日:2014-07-01

    申请号:US13885574

    申请日:2011-11-29

    摘要: Apparatus and process for gas phase polymerisation of olefins. The apparatus includes (a) a reaction zone having a grid at its base, (b) an inlet located in the lower half of the reaction zone for introducing a reaction gas to the reaction zone, (c) an outlet located in the upper half of the reaction zone for removing the reaction gas from the reaction zone, and (d) a solids separation unit having an inlet fluidly connected to the outlet for removing the reaction gas from the reaction zone. The inlet of the solids separation unit is located at a vertical height lower than the outlet for removal of reaction gas from the reaction zone and such that the angle to the horizontal of a straight line drawn between the inlet of the solids separation unit and the outlet for removal of reaction gas from the reaction zone is greater than 20°.

    摘要翻译: 用于烯烃气相聚合的装置和方法。 该装置包括(a)在其底部具有栅格的反应区,(b)位于反应区下半部的入口,用于将反应气体引入反应区,(c)位于上半部的出口 用于从反应区除去反应气体的反应区,和(d)具有与出口流体连接的入口的固体分离单元,用于从反应区除去反应气体。 固体分离单元的入口位于比出口低的垂直高度,用于从反应区除去反应气体,并且使得在固体分离单元的入口与出口之间的直线的水平角度 从反应区除去反应气体大于20°。

    APPARATUS AND PROCESS FOR THE POLYMERISATION OF OLEFINS
    10.
    发明申请
    APPARATUS AND PROCESS FOR THE POLYMERISATION OF OLEFINS 有权
    用于聚合烯烃的装置和方法

    公开(公告)号:US20130331535A1

    公开(公告)日:2013-12-12

    申请号:US13885574

    申请日:2011-11-29

    IPC分类号: B01J8/00

    摘要: The present invention relates to an apparatus and process for the gas phase polymerisation of olefins, the apparatus comprising: a) a reaction zone comprising a grid at its base, b) an inlet located in the lower half of the reaction zone for introduction of a reaction gas to the reaction zone, c) an outlet located in the upper half of the reaction zone for removal of the reaction gas from the reaction zone, and d) a solids separation unit having an inlet fluidly connected to the outlet for removal of the reaction gas from the reaction zone, characterised in that the inlet of the solids separation unit is located at a vertical height lower than the outlet for removal of reaction gas from the reaction zone and such that the angle to the horizontal of a straight line drawn between the inlet of the solids separation unit and the outlet for removal of reaction gas from the reaction zone is greater than 20°.

    摘要翻译: 本发明涉及一种用于烯烃气相聚合的装置和方法,该装置包括:a)在其底部包括格栅的反应区,b)位于反应区下半部的入口,用于引入 反应区域的反应气体,c)位于反应区上半部分以从反应区除去反应气体的出口,以及d)固体分离单元,其具有流体连接到出口的入口,用于除去 来自反应区的反应气体,其特征在于,固体分离单元的入口位于比出口低的垂直高度,用于从反应区除去反应气体,并且使得与第一和第 固体分离单元的入口和用于从反应区除去反应气体的出口大于20°。