Process for the introduction of a polymerisation catalyst into a gas-phase fluidised bed
    1.
    发明授权
    Process for the introduction of a polymerisation catalyst into a gas-phase fluidised bed 有权
    将聚合催化剂引入气相流化床的方法

    公开(公告)号:US08841391B2

    公开(公告)日:2014-09-23

    申请号:US13300984

    申请日:2011-11-21

    摘要: Process for introducing a polymerization catalyst in solid form into a gas-phase fluidized bed using an injection device having an inner tube of internal cross-sectional area of 10-100 mm2 and an outer tube forming an annulus around the inner tube with a cross-sectional area of 1-10 times the internal cross-sectional area of the inner tube. The polymerization catalyst and a carrier gas are passed through the inner tube into the gas-phase fluidized bed at a carrier gas linear velocity of 4-14 m/s and a carrier gas mass flow rate of 10-35 kg/h. A shielding gas is passed through the outer tube and into the gas-phase fluidized bed at a shielding gas linear velocity of 1-10 times the linear velocity of the carrier gas through the inner tube and at a shielding gas mass flow rate of 100-500 kg/h. No cooled recycle process gas is provided to the injection device.

    摘要翻译: 使用具有内截面积为10-100mm 2的内管的注射装置和外管在内管周围形成环状的将固体形式的聚合催化剂引入气相流化床的方法, 截面面积为内管内截面积的1-10倍。 聚合催化剂和载气以4-14m / s的载气线速度和10-35kg / h的载气质量流速通过内管进入气相流化床。 保护气体以穿过内管的载气线速度的1-10倍的保护气体线速度通过外管并进入气相流化床,保护气体质量流量为100- 500公斤/小时。 没有冷却的回收处理气体被提供给注射装置。

    Process for the introduction of a polymerisation catalyst into a gas-phase fluidised bed
    2.
    发明授权
    Process for the introduction of a polymerisation catalyst into a gas-phase fluidised bed 有权
    将聚合催化剂引入气相流化床的方法

    公开(公告)号:US08664342B2

    公开(公告)日:2014-03-04

    申请号:US12737864

    申请日:2009-09-21

    IPC分类号: C08F2/01 B01J8/24

    摘要: Process for introducing a solid polymerization catalyst into a gas-phase fluidized bed using an injection device having an inner tube of internal cross-sectional area of 10 to 100 mm2 and an outer tube forming an annulus around the inner tube with a cross-sectional area of 1 to 10 times the internal cross-sectional area of the inner tube. The polymerization catalyst and a carrier gas are passed through the inner tube and into the gas-phase fluidized bed at a carrier gas linear velocity of 4 to 14 m/s and a carrier gas mass flow rate of 10-35 kg/h. A shielding gas is passed through the outer tube and into the gas-phase fluidized bed at a linear velocity of 1 to 10 times the carrier gas linear velocity through the inner tube and at a mass flow rate of 100-500 kg/h. No cooled recycle process gas is provided to the injection device.

    摘要翻译: 将固体聚合催化剂引入气相流化床中的方法,该方法是使用具有10至100mm 2的内部横截面积的内管的注射装置,以及在内管周围形成具有横截面积 是内管的内部横截面积的1〜10倍。 聚合催化剂和载气以4至14m / s的载气线速度和10-35kg / h的载气质量流速通过内管并进入气相流化床。 保护气体以穿过内管的载气线速度的1至10倍的线速度以100-500kg / h的质量流速通过外管并进入气相流化床。 没有冷却的回收处理气体被提供给注射装置。

    PROCESS FOR THE INTRODUCTION OF A POLYMERISATION CATALYST INTO A GAS-PHASE FLUIDISED BED
    3.
    发明申请
    PROCESS FOR THE INTRODUCTION OF A POLYMERISATION CATALYST INTO A GAS-PHASE FLUIDISED BED 有权
    将聚合催化剂引入气相流化床的方法

    公开(公告)号:US20110152473A1

    公开(公告)日:2011-06-23

    申请号:US12737864

    申请日:2009-09-21

    IPC分类号: C08F2/34

    摘要: The present invention relates to a process for polymerisation in a gas-phase fluidised bed, and in particular to a process for the introduction of a polymerisation catalyst in solid form into a gas-phase fluidised bed, which process comprises using an injection device having an inner tube of internal cross-sectional area of 10 to 100 mm2 and an outer tube forming an annulus around said inner tube with a cross-sectional area of 1 to 10 times the internal cross-sectional area of the inner tube, and passing said polymerisation catalyst and a carrier gas through the inner tube and into the gas-phase fluidised bed at a linear velocity of said carrier gas of 4 to 14 m/s and at a mass flow rate of carrier gas in the range 10-35 kg/h, and passing a shielding gas through the outer tube and into the gas-phase fluidised bed at a linear velocity of said shielding gas of 1 to 10 times the linear velocity of the carrier gas through the inner tube and at a mass flow rate of the shielding gas in the range 100-500 kg/h, wherein no cooled recycle process gas is provided to the injection device.

    摘要翻译: 本发明涉及一种在气相流化床中聚合的方法,特别涉及将固体形式的聚合催化剂引入气相流化床的方法,该方法包括使用具有 内部横截面积为10至100mm 2的内管以及围绕所述内管形成环形的外管,横截面积为内管内截面面积的1至10倍,并通过所述聚合 催化剂和载气以4至14m / s的速度以载体气体的质量流速通过内管并进入气相流化床,速度范围为10-35kg / h 并且将保护气体以穿过所述内管的载气线速度的1至10倍的所述保护气体的线速度通过所述外管并进入所述气相流化床,并且以所述保护气体的质量流速 保护气体在r ange 100-500kg / h,其中没有冷却的再循环工艺气体被提供给注射装置。