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    Method, an arrangement and use of an arrangement of preparing polymer
    22.
    发明授权
    Method, an arrangement and use of an arrangement of preparing polymer 有权

    公开(公告)号：US11220558B2

    公开(公告)日：2022-01-11

    申请号：US16605526

    申请日：2018-06-15

    Applicant: Borealis AG

    Inventor： Vasileios Kanellopoulos ,  Apostolos Krallis ,  Klaus Nyfors ,  Erno Elovainio

    IPC: C08F2/01 ,  B01J8/00 ,  B01J8/38 ,  C08F2/00 ,  C08F2/34 ,  C08F210/16

    Abstract: A method and arrangement of producing polymer comprising polymerizing in reactor having a top zone having a generally conical shape, a middle zone in direct contact with and below said top zone having a generally cylindrical shape, a bottom zone having a generally conical shape thereby polymerizing at least one olefin, in the presence of a polymerization catalyst and fluidization gas to obtain (i) a first stream comprising fluidization gas and particles of olefin polymer, (ii) a second stream comprising fluidization gas and agglomerates of olefin polymer, (iii) a third olefin polymer product stream, —directing the first stream comprising fluidization gas and olefin polymer particles to a series of at least three cyclones connected to the fluidized bed reactor, —separating agglomerates of olefin polymer from the second stream, withdrawing from the fluidized bed polymerization reactor the third olefin polymer product stream.

    Loop reactor providing an advanced production split control
    24.
    发明授权
    Loop reactor providing an advanced production split control 有权
    循环反应器提供先进的生产分流控制

    公开(公告)号：US09475896B2

    公开(公告)日：2016-10-25

    申请号：US14365318

    申请日：2012-12-12

    Applicant: Borealis AG

    Inventor： Pauli Leskinen ,  Sameli Hakola ,  Kauno Alastalo ,  Klaus Nyfors

    IPC: C08F110/06 ,  C08F2/01 ,  C08F2/14 ,  B01J19/00 ,  B01J19/24 ,  C08F10/00 ,  C08F2/38 ,  C08F210/06

    CPC classification number: C08F110/06 ,  B01J19/0033 ,  B01J19/0053 ,  B01J19/2435 ,  B01J19/245 ,  B01J19/2455 ,  B01J2219/0004 ,  B01J2219/00049 ,  C08F10/00 ,  C08F210/06 ,  C08F2/14 ,  C08F2500/12 ,  C08F210/16

    Abstract: Method for preparing olefin polymer in a loop reactor, said loop reactor comprises a first outlet for withdrawing polymer slurry from the loop reactor, and a second outlet for withdrawing a polymer slurry from the loop reactor, wherein the first outlet is located such that polymer slurry is withdrawn having a concentration of polymer which is equal or higher than the average concentration of polymer in the loop reactor, and the second outlet is located such that polymer slurry is withdrawn having a concentration of polymer which is lower than the average concentration of polymer in the loop reactor, the method comprises the steps of supplying olefin monomers and a catalytic system to the loop reactor to form a polymer slurry in the loop reactor, and controlling the total amount of polymer and/or the total amount of polymer slurry withdrawn from the loop reactor by adjusting the ratio of polymer slurry withdrawn through the first outlet and polymer slurry withdrawn through the second outlet.

    Abstract translation: 在环管反应器中制备烯烃聚合物的方法，所述环管反应器包括用于从环管反应器中抽出聚合物浆料的第一出口和用于从环管反应器中抽出聚合物浆料的第二出口，其中第一出口定位成使得聚合物浆料 被取出，其聚合物的浓度等于或高于环管反应器中的聚合物的平均浓度，并且第二出口被定位成使得聚合物浆料被取出，其聚合物的浓度低于聚合物的平均浓度 环路反应器，该方法包括以下步骤：将烯烃单体和催化体系供应到环管反应器中以在环管反应器中形成聚合物浆料，并控制聚合物浆料的总量和/或从 通过调节通过第一出口排出的聚合物浆料与通过第二个出口排出的聚合物浆料的比例 小馅饼

    FLEXIBLE REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS
    25.
    发明申请
    FLEXIBLE REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS 有权
    柔性反应器组件用于烯烃的聚合

    公开(公告)号：US20140080991A1

    公开(公告)日：2014-03-20

    申请号：US14002516

    申请日：2012-03-02

    Applicant: BOREALIS AG

    Inventor： Erik Eriksson ,  Michiel Bergstra ,  Klaus Nyfors ,  Günter Weickert

    IPC: B01J8/38

    CPC classification number: B01J8/388 ,  B01J8/1827 ,  B01J8/1872 ,  B01J19/2465 ,  B01J2208/00274 ,  B01J2219/0004 ,  B01J2219/00254 ,  C08F10/00 ,  C08F110/06 ,  C08F2500/12 ,  C08F2/34 ,  C08F2/01

    Abstract: The invention relates to a reactor assembly for the production of polymers including a fluidized bed reactor (1) comprising a bottom zone (5), a middle zone (6) and an upper zone (7), an inlet (8) for the fluidization gas located in the bottom zone (5), an outlet (9) for the fluidization gas located in the upper zone (7); the outlet (9) for the fluidization gas being coupled with the fluidized bed reactor (1) via inlet (8); the equivalent cross-sectional diameter of the bottom zone (5) being monotonically increasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the middle zone (6) having an essentially constant equivalent cross-sectional diameter with respect to the flow direction of the fluidization gas through the fluidized bed reactor; the equivalent cross-sectional diameter of the upper zone (7) being monotonically decreasing with respect to the flow direction of the fluidization gas through the fluidized bed reactor; wherein that the ratio of the height of the fluidized bed reactor to the equivalent cross-sectional diameter of the middle zone of the fluidized bed reactor is from 2 to 10; and wherein there is an unobstructed passageway in the direction of flow of the fluidization gas through the fluidized bed reactor from the bottom zone (5) to the upper zone (7).

    Abstract translation: 本发明涉及一种用于生产聚合物的反应器组件，包括流化床反应器（1），其包括底部区域（5），中间区域（6）和上部区域（7），用于流化的入口（8） 位于底部区域（5）中的气体，位于上部区域（7）中的用于流化气体的出口（9）; 用于流化气体的出口（9）通过入口（8）与流化床反应器（1）联接; 底部区域（5）的等效横截面直径相对于通过流化床反应器的流化气体的流动方向单调增加; 所述中间区域（6）具有相对于通过所述流化床反应器的流化气体的流动方向具有基本恒定的等效横截面直径; 上部区域（7）的等效横截面直径相对于通过流化床反应器的流化气体的流动方向单调减小; 其中流化床反应器的高度与流化床反应器的中间区域的等效横截面直径之比为2至10; 并且其中在从底部区域（5）到上部区域（7）的流化床反应器的流化气体的流动方向上存在无障碍通道。

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