Reactor with optimized internal tray design
    5.
    发明授权
    Reactor with optimized internal tray design 有权
    具有优化内部托盘设计的反应堆

    公开(公告)号:US07718137B2

    公开(公告)日:2010-05-18

    申请号:US11496835

    申请日:2006-08-01

    IPC分类号: B01J19/00 B01J19/18 B01J10/00

    摘要: A system for processing large quantities of a reaction medium while maintaining the reaction medium in sheets. The system includes a reactor having a plurality of vertically-spaced downwardly-sloped trays over which the reaction medium flows while it is subjected to reaction conditions. The slope of the trays increases downwardly to accommodate for the increased viscosity of the reaction medium while the reaction medium flows downwardly through the reactor. An upper portion of the trays have a uni-directional configuration, while a lower portion of the trays have a bi-directional configuration. Further, the orientation of flow across the uni-directional trays is rotated by 90 degrees in at least one location as the reaction medium flows down the uni-directional trays.

    摘要翻译: 用于在将反应介质保持在片材中的同时处理大量反应介质的系统。 该系统包括具有多个垂直间隔向下倾斜的塔板的反应器,反应介质在其经受反应条件的同时流过。 托盘的斜面向下增加以适应反应介质的增加的粘度,同时反应介质向下流过反应器。 托盘的上部具有单向配置,而托盘的下部具有双向配置。 此外,随着反应介质沿着单向托盘向下流动,跨过单向托盘的流动方向在至少一个位置旋转90度。

    Reactor With Optimized Internal Tray Design
    6.
    发明申请
    Reactor With Optimized Internal Tray Design 有权
    反应堆优化内部托盘设计

    公开(公告)号:US20100121001A1

    公开(公告)日:2010-05-13

    申请号:US12687577

    申请日:2010-01-14

    IPC分类号: C08F2/01

    摘要: A system for processing large quantities of a reaction medium while maintaining the reaction medium in sheets. The system includes a reactor having a plurality of vertically-spaced downwardly-sloped trays over which the reaction medium flows while it is subjected to reaction conditions. The slope of the trays increases downwardly to accommodate for the increased viscosity of the reaction medium while the reaction medium flows downwardly through the reactor. An upper portion of the trays have a uni-directional configuration, while a lower portion of the trays have a bi-directional configuration. Further, the orientation of flow across the uni-directional trays is rotated by 90 degrees in at least one location as the reaction medium flows down the uni-directional trays.

    摘要翻译: 用于在将反应介质保持在片材中的同时处理大量反应介质的系统。 该系统包括具有多个垂直间隔向下倾斜的塔板的反应器,反应介质在其经受反应条件的同时流过。 托盘的斜面向下增加以适应反应介质的增加的粘度,同时反应介质向下流过反应器。 托盘的上部具有单向配置,而托盘的下部具有双向配置。 此外,随着反应介质沿着单向托盘向下流动,跨过单向托盘的流动方向在至少一个位置旋转90度。

    BAFFLE ASSEMBLY MODULE FOR VERTICAL STAGED POLYMERIZATION REACTORS
    9.
    发明申请
    BAFFLE ASSEMBLY MODULE FOR VERTICAL STAGED POLYMERIZATION REACTORS 失效
    用于垂直分层聚合反应器的BAFLE组装模块

    公开(公告)号:US20080319158A1

    公开(公告)日:2008-12-25

    申请号:US12201013

    申请日:2008-08-29

    IPC分类号: C08G63/88

    摘要: The present invention provides an assembly for use in vertical, gravity flow driven polymerization reactors for combinations of high viscosity, high throughput, and shallow polymer depths. The baffle assembly module of the invention includes a support structure having a plurality of side openings. The side openings allow the escape of vapor liberated from the polymeric melt. The assembly further includes a feed splitter followed by two or more vertically arranged rows of baffle plates with the feed splitter and baffles sequentially positioned in the support structure. The plurality of parallel baffles in a row are angled such that when a polymeric melt contacts a given baffle the polymeric melt moves in a downward direction under the force of gravity. The arrangement of the rows is such that each row (except the lowest row) transfers the polymeric melt to a lower vertically adjacent row until reaching the last row of baffles in the module. According to the vertical arrangement of the components in the baffle assembly module and by stacking additional baffle assembly modules if needed within the reactor, the polymeric melt cascades down the vertical length of the reaction vessel interior. The present invention also provides a polymerization reactor that incorporates the assembly of the invention and a method of increasing the degree of polymerization of a polymer melt by using the assembly of the invention.

    摘要翻译: 本发明提供了一种用于垂直重力流驱动的聚合反应器中用于高粘度,高通量和浅聚合物深度组合的组合体。 本发明的挡板组件模块包括具有多个侧面开口的支撑结构。 侧开口允许从聚合物熔体释放的蒸气逸出。 该组件还包括一个进料分流器,随后是两个或更多垂直排列的挡板排,其中进料分流器和挡板顺序地位于支撑结构中。 一排中的多个平行挡板是成角度的,使得当聚合物熔体接触给定的挡板时,聚合物熔体在重力作用下沿向下的方向移动。 排的布置使得每排(除了最下排)将聚合物熔体转移到下垂直相邻的排,直到到达模块中的最后一排挡板。 根据挡板组件模块中的部件的垂直布置以及如果需要在反应器内堆叠附加的挡板组件模块,聚合物熔体沿着反应容器内部的垂直长度逐渐降级。 本发明还提供一种聚合反应器,其包含本发明的组合物和通过使用本发明的组合物提高聚合物熔体的聚合度的方法。

    Thermal crystallization of polyester pellets in liquid
    10.
    发明授权
    Thermal crystallization of polyester pellets in liquid 有权
    聚酯颗粒在液体中的热结晶

    公开(公告)号:US07329723B2

    公开(公告)日:2008-02-12

    申请号:US10665664

    申请日:2003-09-18

    摘要: A process for thermally crystallizing a polyester polymer by introducing pellets into a liquid medium having a temperature of at least 140° C. within a liquid medium zone and crystallizing the submerged pellets at or above the vapor pressure of the liquid medium without increasing the molecular weight of the pellets, and while the pressure on at least a portion of the pellets is equal to or greater than the vapor pressure of the liquid medium, separating at least a portion of said pellets and at least a portion of the liquid medium from each other. The crystallization is desirably conducted in the liquid medium zone without mechanically induced agitation. Optionally, the pellets are formed by an underfluid pelletizer. There is also provided a process for thermally crystallizing solid pellets in a pipe by directing a flow of solid pellets in a liquid medium through a pipe having an aspect ratio L/D of at least 50:1, wherein the solid pellets are crystallized in the pipe at a liquid medium temperature greater than the Tg of the polyester polymer.

    摘要翻译: 将聚合物聚合物引入到液体介质区内的温度至少为140℃的液体介质中并使液体介质的蒸气压以上或高于液体介质的蒸气压使其结晶的方法使聚酯聚合物热结晶,而不增加分子量 并且当至少一部分颗粒的压力等于或大于液体介质的蒸气压时,将至少一部分所述颗粒和液体介质的至少一部分彼此分离 。 结晶期望在液体介质区域中进行,而不会机械诱导搅拌。 任选地,颗粒由底流体造粒机形成。 还提供了一种通过将纵横比为L / D至少为50:1的管引导固体颗粒在液体介质中的流动使管中的固体颗粒热结晶的方法,其中固体颗粒在 在高于聚酯聚合物的T g的液体介质温度下管。