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    • 8. 发明公开
    • METHOD AND APPARATUS FOR MIXING
    • VERFAHREN UND VORRICHTUNG ZUM VERMISCHEN
    • EP2234707A4
    • 2014-09-03
    • EP08863621
    • 2008-12-19
    • PHILADELPHIA MIXING SOLUTIONS LTD
    • WYCZALKOWSKI WOJCIECH
    • B01F7/22
    • B01F7/00733B01F3/1221B01F7/00341B01F7/1675B01F7/168B01F7/22
    • An apparatus and method for mixing a liquid having particulate includes a vessel for containing the liquid and an axial impeller rotating about a substantially vertical axis. The impeller is adapted for submerging below the liquid surface by a distance approximately one-quarter to one-half of the height of the liquid. The impeller is oriented upwardly to produce (a) an inner, upward flow region located along the vertical axis of the vessel, (b) a transition flow region above the impeller in which liquid moves radially outwardly toward the vessel sidewall, and (c) an outer, downward flow region located along the sidewall. The impeller spins at a variable speed, such that the flow is capable of entraining solid particles having a settling velocity of up to approximately 1 foot per minute in the liquid, and the speed of the impeller is chosen to enable particles having a desired settling velocity to settle to the vessel bottom.
    • 用于混合具有颗粒的液体的装置和方法包括用于容纳液体的容器和围绕基本上垂直的轴线旋转的轴向叶轮。 叶轮适于在液体表面下方浸没液体高度的四分之一到四分之一的距离。 叶轮向上取向以产生(a)沿着容器的垂直轴线定位的内部向上流动区域,(b)在叶轮上方的过渡流动区域,液体朝向容器侧壁径向向外移动,以及(c) 沿着侧壁设置的外部向下流动区域。 叶轮以可变速度旋转,使得流动能够夹带在液体中具有高达约1英尺/分钟的沉降速度的固体颗粒,并且选择叶轮的速度以使具有期望沉降速度的颗粒 到达船底。
    • 10. 发明公开
    • Process and apparatus for forming polymeric solutions
    • Verfahren und Anlage zur Aufbereitung vonPolymerlösungen。
    • EP0257743A1
    • 1988-03-02
    • EP87305755.8
    • 1987-06-29
    • Drew Chemical Corporation
    • Dutton, James PhilipBeech, Ronald
    • B01F1/00
    • B01F1/0027B01F1/0011B01F7/168
    • In a process and apparatus for forming hydrophilic polymeric solutions, a vessel (10) is provided with a mixing assembly (12) comprised of co-axially and vertically-disposed inner and outer cylindrically-shaped wall members (20, 36) mounted to a bottom wall member (46) wherein the inner wall member defines a mixing chamber (38) and is provided with orifices (58) about a lower portion thereof to provide fluid communication to a solution chamber (44) defined between the wall members and wherein an upper end portion of the outer wall member defines a weir (54) to the vessel and wherein an agitator (66) is positioned within the mixing chamber to admixed feed hydrophilic polymer and solvent in a vortex of polymeric solution contained in the mixing chamber and to cause the polymeric solution to overflow the weir into the vessel.
    • 在用于形成亲水性聚合物溶液的方法和装置中,容器(10)设置有混合组件(12),所述混合组件(12)由同轴和垂直设置的内部和外部圆柱形壁构件(20,36)组成,安装到 底壁构件(46),其中所述内壁构件限定混合室(38),并且在其下部设置有孔口(58),以提供与限定在所述壁构件之间的溶液室(44)的流体连通,并且其中 所述外壁构件的上端部分限定到所述容器的堰(54),并且其中搅拌器(66)位于所述混合室内,以在所述混合室中包含的聚合溶液的涡流中混合进料亲水性聚合物和溶剂,并且 导致聚合物溶液溢流到容器中。