Method for concurrent reaction and distillation of fluid streams
    1.
    发明授权
    Method for concurrent reaction and distillation of fluid streams 失效
    流体流的同时反应和蒸馏方法

    公开(公告)号:US6110326A

    公开(公告)日:2000-08-29

    申请号:US134750

    申请日:1998-08-14

    摘要: A method for operating a column having a region for reaction with distillation of fluid streams is provided with structures including catalyst-filled containers having liquid permeable upper surfaces which allow for the accumulation and flow of liquid from a liquid stream. The containers include catalyst beds positioned beneath the upper surface of the containers. A portion of the liquid on the containers is driven through the catalyst bed by the liquid head created by the accumulated liquid and is catalytically reacted. Another portion of the liquid may be directed through a downcomer which allows the accumulated liquid to leave the container without passing through the catalyst bed so that higher volumetric flow rates can be achieved.

    摘要翻译: 具有用于操作具有用于与流体流的蒸馏反应的区域的塔的方法提供有包括具有液体可渗透上表面的催化剂填充容器的结构,其允许来自液体流的液体的积聚和流动。 容器包括位于容器上表面下方的催化剂床。 容器中的液体的一部分通过催化剂床被积聚的液体产生的液体头驱动并被催化反应。 液体的另一部分可以被引导通过降液管,其允许积聚的液体离开容器而不通过催化剂床,使得可以实现更高的体积流速。

    Apparatus for concurrent reaction with distillation
    2.
    发明授权
    Apparatus for concurrent reaction with distillation 失效
    与蒸馏同时反应的装置

    公开(公告)号:US5855741A

    公开(公告)日:1999-01-05

    申请号:US376046

    申请日:1995-01-19

    摘要: A column having a region for reaction with distillation of fluid streams is provided with structures including catalyst-filled containers having liquid permeable upper surfaces which allow for the accumulation and flow of liquid from a liquid stream. The containers include catalyst beds positioned beneath the upper surface of the containers. A portion of the liquid on the containers is driven through the catalyst bed by the liquid head created by the accumulated liquid and is catalytically reacted. Another portion of the liquid may be directed through a downcomer which allows the accumulated liquid to leave the container without passing through the catalyst bed so that higher volumetric flow rates can be achieved.

    摘要翻译: 具有用于与流体流的蒸馏反应的区域的塔被提供有包括具有液体可渗透上表面的催化剂填充容器的结构,其允许来自液体流的液体的积聚和流动。 容器包括位于容器上表面下方的催化剂床。 容器中的液体的一部分通过催化剂床被积聚的液体产生的液体头驱动并被催化反应。 液体的另一部分可以被引导通过降液管,其允许积聚的液体离开容器而不通过催化剂床,使得可以实现更高的体积流速。

    Method for concurrent reaction with distillation
    4.
    发明授权
    Method for concurrent reaction with distillation 失效
    蒸馏同时反应的方法

    公开(公告)号:US5593548A

    公开(公告)日:1997-01-14

    申请号:US335216

    申请日:1994-11-07

    摘要: A column having a region for reaction with distillation of fluid streams is provided with structures which include distillation trays that allow for the accumulation of liquid from a liquid stream and the passage of a vapor stream through the liquid for interaction therewith. The structures include catalyst beds which extend downwardly from the trays and are housed within at least partially perforate containers. A portion of the liquid on the tray is catalytically reacted as it is driven through the catalyst bed by the liquid head created by the accumulated liquid. Another portion of the liquid may be directed through a bypass which also extends downwardly from the tray and allows the liquid to bypass the catalyst bed so that higher volumetric flow rates can be achieved. A still further portion of the liquid can be directed to a zone between adjacent catalyst beds or within a catalyst bed for developing a liquid head to force the liquid laterally through the catalyst bed.

    摘要翻译: 具有用于与流体流的蒸馏反应的区域的塔被提供有结构,其包括允许来自液体流的液体的积聚和蒸气流通过液体以与其相互作用的蒸馏塔盘。 结构包括从托盘向下延伸并且被容纳在至少部分穿孔的容器内的催化剂床。 托盘上的液体的一部分在被积聚的液体产生的液体头驱动通过催化剂床时被催化反应。 液体的另一部分可以通过旁路引导,该旁路也从托盘向下延伸并允许液体绕过催化剂床,使得可以实现更高的体积流量。 液体的另一部分可以被引导到相邻催化剂床之间的区域中或者在催化剂床内,用于显影液体头以迫使液体横向穿过催化剂床。

    Internals for distillation columns including those for use in catalytic
reactions
    6.
    发明授权
    Internals for distillation columns including those for use in catalytic reactions 失效
    用于蒸馏塔的内部,包括用于催化反应的柱

    公开(公告)号:US5454913A

    公开(公告)日:1995-10-03

    申请号:US962254

    申请日:1992-10-16

    摘要: A reaction with distillation structure utilizes a plurality of distillation trays and catalyst containers which provide a catalytic reaction zone and a primary flow path for descending liquid streams. Catalytic reaction of the liquid streams within the catalyst reaction zone formed in the containers occurs concurrently with fractionation of the reaction products on the distillation trays. The containers may extend continuously through the reaction zone of the distillation reactor to allow for dump loading and removal of the solid particulate catalyst. Alternatively, the catalyst containers may extend from one tray toward a lower tray without passing through the latter. Structure may also be provided within the containers to influence system hydraulics through the accumulation of liquid within the catalyst bed. This is done by providing an open area interiorly of the catalyst bed into which liquid on the distillation tray is driven. This open area communicates with a liquid accumulation zone wherein liquid accumulates until a sufficient liquid head drives the liquid generally horizontally outward, through the catalyst bed.

    摘要翻译: 与蒸馏结构的反应使用多个蒸馏塔板和催化剂容器,其提供用于下降液体流的催化反应区和主流路。 在容器中形成的催化剂反应区内的液体流的催化反应与蒸馏塔板上的反应产物的分馏同时发生。 容器可以连续延伸通过蒸馏反应器的反应区,以允许倾倒装载和除去固体颗粒催化剂。 或者,催化剂容器可以从一个托盘向下托盘延伸,而不通过该托盘。 也可以在容器内设置结构,以通过催化剂床内液体的积聚来影响系统液压。 这通过在催化剂床的内部提供在蒸馏塔板上的液体被驱动的开放区域来完成。 该开放区域与液体积聚区域连通,其中液体积聚直到足够的液体头部通过水平向外驱动通过催化剂床的液体。

    Packing brick and method of constructing packing bed in exchange column
using same
    7.
    发明授权
    Packing brick and method of constructing packing bed in exchange column using same 失效
    包装砖和使用相同方式在交换柱中构建包装床

    公开(公告)号:US5997173A

    公开(公告)日:1999-12-07

    申请号:US257159

    申请日:1999-02-24

    摘要: A plurality of structured packing bricks are positioned in a column having a longitudinal axis to form one or more structured packing beds. Each brick is formed from a plurality of corrugated plates disposed in parallel relation and having opposed ends that form end surfaces of the bricks. At least one end surface, and normally both end surfaces, of the bricks are inclined at an angle to the column axis so each brick has an end surface that engages and overlaps the inclined end surface of a horizontally adjacent brick. The inclined end surfaces include openings formed by the plate corrugations and, due to the overlapping positioning of adjacent end surfaces, liquid is able to flow vertically downwardly from openings in one brick end surface into openings in the adjacent brick end surface. These angle end surfaces also disrupt the vertical flow of vapor so that vertical channeling of vapor along the end surfaces is disrupted. The shape of the packing bricks can include trapezoidal and parallelogram.

    摘要翻译: 多个规整填料砖定位在具有纵向轴线的柱中以形成一个或多个规整填料床。 每个砖由平行布置的多个波纹板形成,并且具有形成砖的端面的相对端。 砖的至少一个端面,通常两个端面都倾斜成与柱轴线成一定角度,因此每个砖具有与水平相邻的砖的倾斜端面接合和重叠的端面。 倾斜的端面包括由板波纹形成的开口,并且由于相邻端面的重叠定位,液体能够从一个砖端面中的开口垂直向下流动到相邻砖端面中的开口。 这些角度的端面也破坏了蒸气的垂直流动,使得沿着端面的蒸气的垂直通道被破坏。 包装砖的形状可以包括梯形和平行四边形。

    High capacity vapor-liquid contact tray
    8.
    发明授权
    High capacity vapor-liquid contact tray 失效
    高容量气液接触盘

    公开(公告)号:US5788894A

    公开(公告)日:1998-08-04

    申请号:US824681

    申请日:1997-03-26

    IPC分类号: B01D3/22 B01F3/04

    CPC分类号: B01D3/22

    摘要: A vapor-liquid contact tray is provided which includes a plurality of openings and associated fixed roof structures which redirect vapor flowing vertically upward through the openings to horizontal flow paths. Each fixed roof structure includes a generally planar deflector which overlies and is spaced above the associated opening in the tray. The deflector is joined to the tray by end plates connected at one end to the tray and at the other end to the deflector. In one embodiment the deflector is generally parallel to the tray and divides the vertically flowing vapor stream into roughly equal oppositely flowing vapor streams. In other embodiments, the deflector is inclined in relation to the tray to preferentially direct the vapor stream in one direction or to split the vapor stream into equal portions which are directed in the same general direction. The openings and deflectors are arranged to more uniformly push the vapor and hence the liquid into and through those areas of the tray where liquid stagnation and gradients are a problem. The fixed roof structures in the row of apertures closest to liquid receiving area at the inlet end of the tray are oriented so that the end plates shield the openings against entry of liquid leaving the receiving area. Louvre-type fixed roof structures are used in association with at least some of the openings in the first row so that more rapid frothing of the liquid can be achieved with reduced incidence of liquid weeping through openings in successive rows of openings.

    摘要翻译: 提供了一种气 - 液接触托盘,其包括多个开口和相关联的固定屋顶结构,其将通过开口垂直向上流动的蒸汽重新定向到水平流动路径。 每个固定的屋顶结构包括大致平面的偏转器,其覆盖并且在盘的相关联的开口上方间隔开。 偏转器通过在一端连接到托盘并在另一端连接到偏转器的端板连接到托盘。 在一个实施例中,偏转器通常平行于托盘并将垂直流动的蒸气流分成大致相等的相反流动的蒸气流。 在其他实施例中,偏转器相对于托盘倾斜,以优先地将蒸气流引向一个方向,或者将蒸气流分解成相同的大致方向的相等部分。 开口和偏转器布置成更均匀地将蒸气推入并进入并通过托盘的那些区域,其中液体停滞和梯度是问题。 最靠近托盘入口端的液体接收区域的一排孔中的固定屋顶结构被定向成使得端板屏蔽开口以防止离开接收区域的液体进入。 与第一排中的至少一些开口相关联地使用罗盘式固定屋顶结构,使得可以通过在连续排开口中的开口的液体渗漏减少的入射而实现液体的更快速起泡。

    Vapor-liquid contact tray and downcomer assembly and method employing
same
    9.
    发明授权
    Vapor-liquid contact tray and downcomer assembly and method employing same 失效
    蒸汽 - 液体接触盘和降液管组件及其使用方法

    公开(公告)号:US5480595A

    公开(公告)日:1996-01-02

    申请号:US234188

    申请日:1994-04-28

    摘要: A vapor-liquid contact tray and downcomer assembly is provided with louvres which serve to impart a horizontal directional flow to the liquid exiting the downcomer and/or the vapor passing through the tray. The downcomer includes a bottom plate which closes the outlet region of the downcomer and includes a plurality of louvres presenting generally vertical openings in the direction of liquid flow across the underlying tray. The downcomer receiving area in the underlying tray can include similar louvres. The louvres redirect the vertical momentum of the liquid and vapor streams to a generally horizontal momentum as the liquid exits the downcomer and as the vapor rises through the tray. In other embodiments, the louvres in either the bottom plate or the downcomer receiving area of the tray are replaced with apertures which do not block the vertical momentum of the stream passing through the apertures. An enhanced vapor-liquid active area on the tray results from the use of the louvres.

    摘要翻译: 气液接触托盘和降液管组件设置有百叶窗,其用于向离开降液管的液体和/或通过托盘的蒸汽赋予水平定向流。 降液管包括封闭降液管的出口区域的底板,并且包括多个百叶窗,所述多个百叶窗在液体流动方向上大体垂直地穿过下面的托盘。 底层托盘中的降液管接收区域可以包括类似的百叶窗。 当液体离开降液管并且蒸汽通过托盘升高时,百叶窗将液体和蒸气流的垂直动量重定向到大体上水平的动量。 在其他实施例中,托盘的底板或降液管接收区域中的百叶窗被不被阻挡穿过孔的流的垂直动量的孔所代替。 托盘上增强的气液活性区域是由于使用百叶窗而产生的。

    Recovery of methacrolein
    10.
    发明授权
    Recovery of methacrolein 失效
    甲基丙烯醛的回收

    公开(公告)号:US4234519A

    公开(公告)日:1980-11-18

    申请号:US6824

    申请日:1979-01-26

    摘要: In the catalytic oxidation of isobutylene and/or tertiary butyl alcohol to methacrolein, the product methacrolein is recovered as an aqueous solution, which thereafter is stripped of methacrolein by contacting the solution with recycle gases from the subsequent oxidation of methacrolein to methacrylic acid. In a preferred embodiment, the oxidation reactor effluent gases are quenched to near ambient temperatures by direct contact with a recirculating stream of partially condensed effluent to provide an aqueous solution of methacrolein and thereafter the methacrolein remaining in the effluent gases is absorbed into a refrigerated water stream to provide a second aqueous solution. The aqueous solutions are combined and stripped by recycle gases, thereby supplying methacrolein as feed to the subsequent oxidation process.

    摘要翻译: 在异丁烯和/或叔丁醇向异丁烯醛的催化氧化中,产物甲基丙烯醛作为水溶液回收,然后通过使溶液与随后的甲基丙烯醛氧化成甲基丙烯酸的循环气体相接触而除去甲基丙烯醛。 在优选的实施方案中,氧化反应器流出气体通过与部分冷凝的流出物的再循环流直接接触而淬灭到接近环境温度,以提供甲基丙烯醛的水溶液,此后残存在流出气体中的甲基丙烯醛被吸收到冷冻水流 以提供第二水溶液。 将水溶液合并并通过再循环气体汽提,从而将甲基丙烯醛作为进料提供给随后的氧化过程。