CATALYST SLURRY PREPARATION SYSTEM AND USE THEREOF
    15.
    发明申请
    CATALYST SLURRY PREPARATION SYSTEM AND USE THEREOF 有权
    催化剂浆料制备系统及其用途

    公开(公告)号:US20130130890A1

    公开(公告)日:2013-05-23

    申请号:US13812702

    申请日:2011-07-29

    Abstract: The present invention relates to the use of a catalyst preparation system for the preparation of a diluted catalyst slurry. In particular, the invention relates to a catalyst preparation system comprising a mixing vessel for mixing a particulate catalyst and a liquid hydrocarbon diluent. According to the invention, diluted catalyst slurry is prepared in a mixing vessel comprising a rotatable axial impeller system comprising at least two double-bladed hubs. The invention also relates to a process for preparing diluted catalyst slurry for use in the preparation of a particulate polyethylene product in a loop reactor with the catalyst preparation system as described herein.

    Abstract translation: 本发明涉及催化剂制备系统用于制备稀释催化剂浆料的用途。 特别地,本发明涉及一种催化剂制备系统,其包括用于混合颗粒催化剂和液体烃稀释剂的混合容器。 根据本发明,稀释的催化剂浆料在混合容器中制备,该混合容器包括可旋转的轴流式叶轮系统,其包括至少两个双叶片轮毂。 本发明还涉及一种用于制备稀释的催化剂浆料的方法,所述稀释的催化剂浆料用于在具有如本文所述的催化剂制备系统的环管反应器中制备颗粒状聚乙烯产品。

    Slurry loop reactors
    16.
    发明授权
    Slurry loop reactors 失效
    泥浆回路反应器

    公开(公告)号:US08324328B2

    公开(公告)日:2012-12-04

    申请号:US13214879

    申请日:2011-08-22

    Abstract: An apparatus defined as a set of loop reactors suitable for the polymerization process of a monomer, preferably ethylene and optionally an olefin co-monomer, comprising for each of said reactors: a plurality of interconnected pipes P defining a flow path for a polymer slurry, said slurry consisting essentially of ethylene, optionally a co-monomer, a polymerization catalyst, liquid diluent and solid olefin polymer particles, means for feeding monomer, optionally a co-monomer, diluent and optionally hydrogen in the reactor, means for feeding a polymerization catalyst in the reactor, a pump suitable for maintaining the polymer slurry in circulation in such reactor, one or more settling legs connected to the pipes P of such reactor for settling of polymer slurry, one or more control valves connected to the outlet of such settling legs, and one or more flash lines for discharging settled polymer slurry out of the reactor characterized in that each of said loop reactors comprises a three-or-more-way valve defining three-or-more ends, one end A being positioned at the outlet of said one or more control valves.

    Abstract translation: 定义为适用于单体,优选乙烯和任选的烯烃共聚单体的聚合方法的一组环流反应器的装置,其包含用于每个所述反应器的多个互连管P,其限定聚合物浆料的流动路径, 所述浆料基本上由乙烯,任选的共聚单体,聚合催化剂,液体稀释剂和固体烯烃聚合物颗粒组成,用于在反应器中进料单体,任选的共聚单体,稀释剂和任选的氢的装置,用于进料聚合催化剂 在反应器中,适用于将聚合物淤浆保持在该反应器中循环的泵,一个或多个连接到这种反应器的管道P的沉降腿,用于沉淀聚合物浆料,一个或多个连接到这种沉降腿的出口的控制阀 以及用于将沉降的聚合物浆料排出反应器的一条或多条闪光线,其特征在于,每个所述环形反应器包括三维 限定三个或更多个端部的多通阀,一个端部A定位在所述一个或多个控制阀的出口处。

    Loop reactor suitable for olefin polymerization with improved product removal means
    17.
    发明授权
    Loop reactor suitable for olefin polymerization with improved product removal means 失效
    适用于烯烃聚合的循环反应器具有改进的产物去除手段

    公开(公告)号:US08138282B2

    公开(公告)日:2012-03-20

    申请号:US12675005

    申请日:2008-08-29

    Applicant: Louis Fouarge

    Inventor: Louis Fouarge

    Abstract: The present invention relates to a loop reactor suitable for olefin polymerization process comprising: a plurality of interconnected pipes defining a flow path for a polymer slurry, said slurry consisting essentially of an olefin reactant, a polymerization catalyst, liquid diluent and solid olefin polymer particles, means for introducing olefin reactant, polymerization catalyst and diluent into said reactor, a pump suitable for maintaining the polymer slurry in circulation in said reactor, and single settling leg connected to said loop reactor through (a) a take off line extending from said reactor to said settling leg and configured to remove said polymer slurry from said reactor, and (b) a return line extending from said settling leg to said reactor, characterized in that said take off line is radially connected to said single settling leg.

    Abstract translation: 本发明涉及一种适用于烯烃聚合方法的环流反应器,包括:多个互连的管,其限定聚合物浆料的流动路径,所述淤浆基本上由烯烃反应物,聚合催化剂,液体稀释剂和固体烯烃聚合物颗粒组成, 用于将烯烃反应物,聚合催化剂和稀释剂引入所述​​反应器的装置,适合于将所述聚合物浆料保持在所述反应器中循环的泵,以及通过(a)从所述反应器延伸到所述反应器的脱水管连接到所述环管反应器的单个沉降腿 所述沉降腿并且构造成从所述反应器中除去所述聚合物浆料,和(b)从所述沉降腿延伸到所述反应器的返回管线,其特征在于,所述脱出线径向连接到所述单个沉降腿。

    Slurry Loop Reactors
    18.
    发明申请
    Slurry Loop Reactors 失效
    泥浆回路反应堆

    公开(公告)号:US20110306736A1

    公开(公告)日:2011-12-15

    申请号:US13214879

    申请日:2011-08-22

    Abstract: An apparatus defined as a set of loop reactors suitable for the polymerization process of a monomer, preferably ethylene and optionally an olefin co-monomer, comprising for each of said reactors:a plurality of interconnected pipes P defining a flow path for a polymer slurry, said slurry consisting essentially of ethylene, optionally a co-monomer, a polymerization catalyst, liquid diluent and solid olefin polymer particles,means for feeding monomer, optionally a co-monomer, diluent and optionally hydrogen in the reactor,means for feeding a polymerization catalyst in the reactor,a pump suitable for maintaining the polymer slurry in circulation in such reactor,one or more settling legs connected to the pipes P of such reactor for settling of polymer slurry,one or more control valves connected to the outlet of such settling legs, andone or more flash lines for discharging settled polymer slurry out of the reactor characterized in that each of said loop reactors comprises a three-or-more-way valve defining three-or-more ends, one end A being positioned at the outlet of said one or more control valves.A method to switch from series to parallel configuration a set of loop reactors.The use of the apparatus to switch polymerization reactors from parallel to series configuration and vice-versa.

    Abstract translation: 定义为适用于单体,优选乙烯和任选的烯烃共聚单体的聚合方法的一组环流反应器的装置,其包含用于每个所述反应器的多个互连管P,其限定聚合物浆料的流动路径, 所述浆料基本上由乙烯,任选的共聚单体,聚合催化剂,液体稀释剂和固体烯烃聚合物颗粒组成,用于在反应器中进料单体,任选的共聚单体,稀释剂和任选的氢的装置,用于进料聚合催化剂 在反应器中,适用于将聚合物淤浆保持在该反应器中循环的泵,一个或多个连接到这种反应器的管道P的沉降腿,用于沉淀聚合物浆料,一个或多个连接到这种沉降腿的出口的控制阀 以及用于将沉降的聚合物浆料排出反应器的一条或多条闪光线,其特征在于,每个所述环形反应器包括三维 限定三个或更多个端部的多通阀,一个端部A定位在所述一个或多个控制阀的出口处。 一种从串联到并联配置一套环流反应器的方法。 使用该装置将聚合反应器从并联转换为串联配置,反之亦然。

    Slurry Loop Reactors
    19.
    发明申请
    Slurry Loop Reactors 失效
    泥浆回路反应堆

    公开(公告)号:US20100273961A1

    公开(公告)日:2010-10-28

    申请号:US12777333

    申请日:2010-05-11

    Abstract: Reactor systems suitable for the polymerization of an olefin monomer including first and second loop reactors effective for the polymerization of an olefin monomer and polymers formed therefrom are described herein. Each of said reactors generally include at least one settling leg connected to said reactor for receiving polymer slurry from said reactor and sequentially discharging settled polymer from said at least one settling leg to withdraw said polymer slurry from said reactor; a transfer line extending from the outlet at least one first reactor settling leg to an inlet for said second loop reactor; a flash line extending from said transfer line at a valve location intermediate said first reactor settling leg and said inlet for said second reactor; and a multiway valve located in said transfer line at said valve location intermediate said first reactor settling leg and the inlet to said second reactor and having one position in which said multiway valve provides for the flow of polymer slurry through said transfer line to said second reactor and another position in which said first reactor settling leg is connected to said flash line for the discharge of polymer slurry from said first reactor settling leg to said flash line and removal of said polymer from said polymer system.

    Abstract translation: 本文描述了适用于烯烃单体聚合的反应器系统,所述烯烃单体包括对烯烃单体和由其形成的聚合物有效的第一和第二环管反应器。 每个所述反应器通常包括连接到所述反应器的至少一个沉降腿,用于从所述反应器接收聚合物浆料,并且从所述至少一个沉降腿顺序排出沉降的聚合物以从所述反应器中抽出所述聚合物浆料; 从所述出口延伸至少一个第一反应器沉降腿至用于所述第二回路反应器的入口的输送管线; 在所述第一反应器沉降腿和所述第二反应器的入口处的阀位置处从所述输送管线延伸的闪蒸管线; 以及位于所述输送管线处的所述输送管线的多通阀,位于所述第一反应器沉降腿和所述第二反应器的入口之间,并且具有一个位置,其中所述多通道阀提供聚合物浆料通过所述输送管线流到所述第二反应器 并且其中所述第一反应器沉降腿连接到所述闪蒸管线以将聚合物浆料从所述第一反应器沉降腿排放到所述闪蒸管线并从所述聚合物体系中除去所述聚合物的另一位置。

    Method and Device for Optimising Catalyst Supply to a Polymerisation Reactor
    20.
    发明申请
    Method and Device for Optimising Catalyst Supply to a Polymerisation Reactor 有权
    优化催化剂供应到聚合反应器的方法和装置

    公开(公告)号:US20100267904A1

    公开(公告)日:2010-10-21

    申请号:US12778401

    申请日:2010-05-12

    Applicant: Louis Fouarge

    Inventor: Louis Fouarge

    Abstract: Methods for supplying a catalyst to an ethylene slurry loop polymerization reactor and polymers formed therefrom are described herein. The method generally includes preparing a catalyst slurry in a preparation vessel wherein the slurry includes a hydrocarbon diluent liquid which contains a Ziegler-Natta catalyst; supplying the catalyst slurry from the preparation vessel to a buffer vessel; withdrawing the catalyst slurry from the buffer vessel and supplying the catalyst slurry to a slurry loop polymerization reactor in which ethylene is polymerized; mixing a co-catalyst with the Ziegler Natta catalyst in the slurry prior to the supplying of the catalyst slurry to the slurry loop polymerization reactor; and controlling the transfer of catalyst slurry from the preparation vessel to the buffer vessel and the withdrawal of catalyst slurry from the buffer vessel to maintain the level of catalyst slurry in the buffer vessel substantially constant relative to the level of catalyst slurry in the preparation vessel.

    Abstract translation: 本文描述了将催化剂供应到乙烯淤浆环路聚合反应器和由其形成的聚合物的方法。 该方法通常包括在制备容器中制备催化剂浆料,其中浆料包括含有齐格勒 - 纳塔催化剂的烃稀释液; 将催化剂浆料从制备容器供应到缓冲容器; 将催化剂浆料从缓冲容器中取出并将催化剂浆料供给到其中聚合乙烯的浆料回路聚合反应器; 在将催化剂浆料供应到浆料回路聚合反应器之前,将浆料中的齐格勒纳塔催化剂与助催化剂混合; 并且控制催化剂浆料从制备容器向缓冲容器的转移以及从缓冲容器中取出催化剂浆料,以使缓冲容器中的催化剂浆液的水平相对于制备容器中的催化剂浆液的水平基本上恒定。

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