Process for introducing a powder with catalytic activity into a
fluidized-bed polymerization reactor
    61.
    发明授权
    Process for introducing a powder with catalytic activity into a fluidized-bed polymerization reactor 失效
    将具有催化活性的粉末引入流化床聚合反应器的方法

    公开(公告)号:US4774299A

    公开(公告)日:1988-09-27

    申请号:US36017

    申请日:1987-04-08

    摘要: Device and process for introducing a powder with catalytic activity into a fluidized bed polymerization reactor (1), the said device comprising:a storage enclosure (2) for powder with catalytic activity, provided with a feed line (3) for powder with catalytic activity and a shut-off valve (26), this enclosure being connected to a metering device (4) making it possible to deliver periodically a given volume of powder with catalytic activity,an intermediate chamber (5), placed below the metering device to receive direct the powder delivered by the latter, this intermediate chamber comprising in its upper part a tube (6) bringing in an inert carrier gas, provided with a shut-off valve,piping for conveying the powder (8) connecting the bottom part of the intermediate chamber to the fluidized-bed reactor, this piping having a portion which is more or less horizontal, the said powder conveying piping being provided with a full-bore rapid-opening valve (10).

    Device for introducing a powder with catalytic activity into a
fluidized-bed polymerization reactor
    62.
    发明授权
    Device for introducing a powder with catalytic activity into a fluidized-bed polymerization reactor 失效
    将具有催化活性的粉末引入流化床聚合反应器的装置

    公开(公告)号:US4687381A

    公开(公告)日:1987-08-18

    申请号:US716030

    申请日:1985-03-26

    摘要: Device and process for introducing a powder with catalytic activity into a fluidized bed polymerization reactor (1), the said device comprising:a storage enclosure (2) for powder with catalytic activity, provided with a feed line (3) for powder with catalytic activity and a shut-off valve (26), this enclosure being connected to a metering device (4) making it possible to deliver periodically a given volume of powder with catalytic activity,an intermediate chamber (5), placed below the metering device to receive direct the powder delivered by the latter, this intermediate chamber comprising in its upper part a tube (6) bringing in a inert carrier gas, provided with a shut-off valve,piping for conveying the powder (8) connecting the bottom part of the intermediate chamber to the fluidized-bed reactor, this piping having a portion which is more or less horizontal, the said powder conveying piping being provided with a full-bore rapid-opening valve (10).

    摘要翻译: 用于将具有催化活性的粉末引入流化床聚合反应器(1)的装置和方法,所述装置包括:用于具有催化活性的粉末的储存壳体(2),其具有用于具有催化活性的粉末的进料管线(3) 和封闭阀(26),该外壳连接到计量装置(4),使得可以周期性地递送具有催化活性的给定体积的粉末,中间室(5),放置在计量装置下方以接收 引导由后者输送的粉末,该中间室在其上部包括带有惰性载体气体的管(6),设有截止阀,用于输送粉末(8)的管道,该粉末连接 中间室到流化床反应器,该管道具有或多或少水平的部分,所述粉末输送管道设置有全孔快速打开阀(10)。

    Novel bingham fluids
    63.
    发明授权
    Novel bingham fluids 失效
    新型宾果液体

    公开(公告)号:US4158571A

    公开(公告)日:1979-06-19

    申请号:US907445

    申请日:1978-05-19

    摘要: Bingham fluid compositions are provided which contain a functional material such as a polymerization initiator dispersed in a solid continuous phase, which is a mixture of a wax and a liquid hydrocarbon. Such compositions are prepared by heating the wax and the liquid hydrocarbon to form a melt and dispersing the functional material in the melt. Upon cooling, the composition solidifies with the functional material being uniformly dispersed throughout the continuous solid phase. The compositions, while solid at ambient temperature and pressure, assume the flow characteristics of a liquid under an applied pressure and can be pumped to feed the functional material to a polymerization reactor or molten polymer on a continuous basis.

    摘要翻译: 提供了含有分散在固相连续相中的聚合引发剂(它是蜡和液态烃的混合物)的功能材料的宾汉液体组合物。 通过加热蜡和液体烃以形成熔体并将功能材料分散在熔体中来制备这些组合物。 冷却后,组合物固化,功能材料均匀分散在整个连续固相中。 组合物在环境温度和压力下为固体,在施加的压力下呈现液体的流动特性并且可以被泵送以将功能材料连续供给到聚合反应器或熔融聚合物。

    Methods and systems for catalyst delivery
    67.
    发明授权
    Methods and systems for catalyst delivery 有权
    催化剂输送的方法和系统

    公开(公告)号:US09023958B2

    公开(公告)日:2015-05-05

    申请号:US14357704

    申请日:2012-10-25

    摘要: A method for the delivery of a catalyst to a polymerization reactor is disclosed, comprising: contacting a catalyst with a carrier fluid comprising an inert hydrocarbon in gaseous form, the inert hydrocarbon having a normal boiling point of about −1° C. to about 81° C.; and flowing the carrier fluid to the polymerization reactor such that the carrier fluid transports the catalyst to the polymerization reactor. A catalyst delivery system is disclosed, comprising: a catalyst vessel for containing a catalyst; a catalyst injection line for delivering the catalyst to a polymerization reactor, the catalyst injection line being in fluid communication with the catalyst vessel and the polymerization reactor; and a carrier fluid line in fluid communication with the catalyst injection line for delivering a carrier fluid comprising an inert hydrocarbon to the catalyst injection line, the inert hydrocarbon having a normal boiling point of about −1° C. to about 81° C.

    摘要翻译: 公开了一种将催化剂递送到聚合反应器的方法,包括:使催化剂与包含气态惰性烃的载体流体接触,所述惰性烃的标准沸点为约-1℃至约81℃ C。; 并将载体流体流动到聚合反应器,使得载体流体将催化剂输送到聚合反应器。 公开了一种催化剂输送系统,包括:用于容纳催化剂的催化剂容器; 用于将催化剂输送到聚合反应器的催化剂注入管线,催化剂注入管线与催化剂容器和聚合反应器流体连通; 以及与所述催化剂注入管线流体连通以将包含惰性烃的载体流体输送到所述催化剂注入管线的载体流体管线,所述惰性烃的正常沸点为约-1℃至约81℃。

    Process for supplying catalyst to a polymerization reactor
    69.
    发明申请
    Process for supplying catalyst to a polymerization reactor 有权
    向聚合反应器供应催化剂的方法

    公开(公告)号:US20130125996A1

    公开(公告)日:2013-05-23

    申请号:US13812713

    申请日:2011-07-29

    IPC分类号: F03B17/00

    摘要: The present invention relates to a method for feeding metallocene catalyst slurry to an olefin polymerization loop reactor (1) using a positive displacement device (5) positive displacement device comprising a first chamber and a second chamber, each chamber having an inlet and an outlet and each chamber comprising an ball arranged between the walls of said chamber, wherein said chambers are connected to each other by a pump chamber operably connected to a pump, wherein, the difference between the diameter of said ball and the diameter of said chamber is comprised between 5 to 200 times the average particle size (d50) of said catalyst.

    摘要翻译: 本发明涉及使用包括第一室和第二室的正位移装置(5)的正位移装置将茂金属催化剂浆料供给到烯烃聚合反应器(1)的方法,每个室具有入口和出口, 每个室包括布置在所述室的壁之间的球,其中所述室通过可操作地连接到泵的泵室彼此连接,其中,所述球的直径和所述室的直径之间的差包括在 所述催化剂的平均粒度(d50)为5〜200倍。