Method for controlling moisture in a catalyst regeneration process
    71.
    发明授权
    Method for controlling moisture in a catalyst regeneration process 有权
    控制催化剂再生过程中水分的方法

    公开(公告)号:US6123833A

    公开(公告)日:2000-09-26

    申请号:US158160

    申请日:1998-09-22

    摘要: A method and apparatus are disclosed for removing water from a recycle gas stream in a catalyst regeneration process. A recycle gas stream contacts catalyst and the catalyst sorbs water from the recycle gas. Some of the now-dried recycle gas recirculates to the regeneration process, thereby decreasing the water content in the regeneration process. The catalyst containing sorbed water passes to a desorption zone, where water is desorbed from the catalyst and the desorbed water is rejected from the process. This method and apparatus are useful for extending the life of catalyst in catalytic hydrocarbon processes that employ continuous or semi-continuos catalyst regeneration zones.

    摘要翻译: 公开了一种在催化剂再生过程中从循环气流中除去水的方法和装置。 循环气流与催化剂接触,催化剂从再循环气体中吸收水分。 一些现在干燥的再循环气体再循环到再生过程中,从而降低再生过程中的水分含量。 含有吸附水的催化剂通过解吸区,其中水从催化剂中解吸,脱附的水被从该方法中排出。 该方法和设备可用于延长催化剂在使用连续或半连续催化剂再生区的催化烃工艺中的寿命。

    Vented riser apparatus and method
    73.
    发明授权
    Vented riser apparatus and method 失效
    通风立管装置及方法

    公开(公告)号:US5104517A

    公开(公告)日:1992-04-14

    申请号:US524525

    申请日:1990-05-17

    IPC分类号: C10G11/18

    CPC分类号: C10G11/18

    摘要: An FCC process and apparatus is arranged to provide a low volume dilute disengagement zone in a reactor vessel. A vented riser that provides an open discharge of catalyst and gaseous products is directly discharged into a reactor vessel. The interior of the reactor vessel is arranged such that the outlet of the reactor riser is located close to and directed at the top of the reactor vessel. The reactor vessel operates with a dense bed of catalyst having an upper bed level that is only a short distance below the outlet of the reactor riser. The cyclone separators are located to the outside of the reactor riser and circulate catalyst back to the dense bed of the reactor section.

    摘要翻译: FCC方法和装置被布置成在反应器容器中提供低体积的稀释分离区。 提供催化剂和气体产物的开放排放的排气提升管直接排放到反应器容器中。 反应器容器的内部被布置成使得反应器提升管的出口靠近并且指向反应器容器的顶部。 反应器容器具有致密的催化剂床,其具有在反应器提升管的出口下方仅较短距离的上层水平。 旋风分离器位于反应器提升管的外部,并将催化剂循环回反应器部分的致密床。

    Supplying FCC lift gas directly from product vapors
    74.
    发明授权
    Supplying FCC lift gas directly from product vapors 失效
    从产品蒸气直接提供FCC提升气

    公开(公告)号:US4988430A

    公开(公告)日:1991-01-29

    申请号:US457463

    申请日:1989-12-27

    IPC分类号: C10G11/18

    CPC分类号: C10G11/18 C10G11/182

    摘要: The use of lift gas for FCC risers is improved by the direct use of reactor vapors as the source of the lift gas. Reactor vapors recovered primarily from the stripping section of an FCC reactor/regenerator section provide an excellent source for lift gas material. These reactor vapors contain high concentrations of light paraffinic materials often with an equal weight percent amount of steam. The recovery of the stripping vapors independent from the product stream allows such gaseous mixtures to be readily processed for use as lift gas. The only processing requirements are the removal of particulate material and the compression of the gas to pressure conditions at the bottom of the riser. Compression of the gas requires a reduction in its temperature to suitable compressor inlet conditions. This invention is readily practiced in the most recent FCC reactor designs that separate the majority of product vapors from the catalyst in a closed riser cyclone arrangement. This invention is particularly suited for use in conjunction with hot catalyst stripping. Hot catalyst stripping produces a high concentration of very low molecular weight gas components in the effluent from the hot stripping zone which are highly suitable for use as lift gas material.

    摘要翻译: 通过直接使用反应器蒸汽作为提升气体的来源,提高了用于FCC提升管的提升气体的使用。 主要从FCC反应器/再生器部分的汽提部分回收的反应器蒸气为提升气体材料提供了极好的来源。 这些反应器蒸气含有高浓度的轻石蜡材料,通常具有相等重量百分比的蒸汽量。 独立于产物流的汽提蒸气的回收允许这种气体混合物容易地加工以用作提升气体。 唯一的处理要求是去除颗粒物质并将气体压缩到提升管底部的压力条件。 压缩气体需要将其温度降低到合适的压缩机入口条件。 在最近的FCC反应器设计中容易实施本发明,其中大部分产物蒸气与封闭式立管旋风分离装置中的催化剂分离。 本发明特别适合与热催化剂汽提相结合使用。 热催化剂汽提在高温汽提区的流出物中产生非常低分子量气体组分的高浓度,这些气体组分非常适合用作提升气体材料。

    Utilization of baffles in chlorination zone for continuous catalyst regeneration
    77.
    发明授权
    Utilization of baffles in chlorination zone for continuous catalyst regeneration 有权
    挡板在氯化区的利用用于连续催化剂再生

    公开(公告)号:US08216522B2

    公开(公告)日:2012-07-10

    申请号:US13160141

    申请日:2011-06-14

    CPC分类号: B01J8/125

    摘要: Catalyst regeneration vessels including a chlorination zone that includes an outer mixing chamber, an inner mixing chamber, and a catalyst bed. The outer mixing chamber can include a lower portion and an upper portion, the lower portion of the outer mixing chamber including at least one air nozzle that injects a drying air stream into the outer mixing chamber, at least one chlorine input nozzle that injects a chlorine input stream into the outer mixing chamber, and at least a first baffle. The chlorination zone can also contain a second baffle that directs the mixed drying air stream and chlorine input stream from the outer mixing chamber to the inner mixing chamber.

    摘要翻译: 催化剂再生容器包括包括外混合室,内混合室和催化剂床的氯化区。 外部混合室可以包括下部和上部,外部混合室的下部包括至少一个空气喷嘴,其将干燥空气流注入到外部混合室中,至少一个氯输入喷嘴注入氯 输入流入外部混合室,以及至少第一挡板。 氯化区还可以包含将混合的干燥空气流和氯输入流从外部混合室引导到内部混合室的第二挡板。

    Liquid redistribution device for multibed reactors
    78.
    发明授权
    Liquid redistribution device for multibed reactors 有权
    多重反应堆的液体再分配装置

    公开(公告)号:US08181942B2

    公开(公告)日:2012-05-22

    申请号:US12147040

    申请日:2008-06-26

    申请人: Paul A. Sechrist

    发明人: Paul A. Sechrist

    IPC分类号: B01F3/04

    摘要: A liquid distribution device is presented for the collection and distribution of liquid between reactor or adsorbent beds. The device includes a liquid collection tray, a mixing chamber in fluid communication with the liquid collection tray, a rough distribution tray in fluid communication with the mixing chamber, a liquid distribution tray in fluid communication with the rough distribution tray, and a plurality of vapor pipes.

    摘要翻译: 液体分配装置用于在反应器或吸附剂床之间收集和分配液体。 所述装置包括液体收集盘,与所述液体收集盘流体连通的混合室,与所述混合室流体连通的粗分配塔,与所述粗分配塔流体连通的液体分配塔,以及多个蒸气 管道。