Process for fluid catalytic cracking
    31.
    发明授权
    Process for fluid catalytic cracking 有权
    流化催化裂化工艺

    公开(公告)号:US08506795B2

    公开(公告)日:2013-08-13

    申请号:US12794187

    申请日:2010-06-04

    IPC分类号: C10G11/00

    摘要: One exemplary embodiment can be a process for fluid catalytic cracking. The process may include providing a torch oil to a stripping section of a first reaction zone, which in turn can communicate at least a partially spent catalyst to a regeneration zone for providing additional heat duty to the regeneration zone.

    摘要翻译: 一个示例性实施方案可以是流化催化裂化的方法。 该方法可以包括向第一反应区的汽提段提供焊炬油,其又可以将至少部分废催化剂连通至再生区,以便为再生区提供额外的热负荷。

    FLUID CATALYTIC CRACKING PROCESS
    33.
    发明申请
    FLUID CATALYTIC CRACKING PROCESS 有权
    流体催化裂化工艺

    公开(公告)号:US20130079569A1

    公开(公告)日:2013-03-28

    申请号:US13247413

    申请日:2011-09-28

    IPC分类号: C07C4/06

    摘要: One exemplary embodiment can be a process for fluid catalytic cracking. The process may include providing a first feed having a boiling point of about 180-about 800° C. to a first riser reactor, and providing a second feed having first and second parts to a second reactor. Typically, the first part includes one or more C5-C12 hydrocarbons and a second part includes one or more C4-C5 hydrocarbons. Generally, an effective amount of the second part is combined with the first part to maximize production of propene.

    摘要翻译: 一个示例性实施方案可以是流化催化裂化的方法。 该方法可以包括向第一提升管反应器提供具有约180-约800℃的沸点的第一进料,并且向第二反应器提供具有第一和第二部分的第二进料。 通常,第一部分包括一种或多种C 5 -C 12烃,第二部分包括一种或多种C 4 -C 5烃。 通常,第二部分的有效量与第一部分组合以使丙烯的生产最大化。

    Stripping process
    34.
    发明授权
    Stripping process 有权
    剥离过程

    公开(公告)号:US07914610B2

    公开(公告)日:2011-03-29

    申请号:US11933138

    申请日:2007-10-31

    IPC分类号: B01D45/12 C10G11/00

    CPC分类号: B01D45/14 B01D45/08 C10G11/18

    摘要: In an FCC process in which swirl arms are used to discharge gas and catalyst from a riser, a baffle is used to direct descending catalyst away from a wall of a disengaging vessel proximate a stripping section comprising elongated strips of metal.

    摘要翻译: 在其中使用旋转臂从提升管排出气体和催化剂的FCC方法中,使用挡板将下降的催化剂引导离开分离容器的壁,靠近包括细长金属条的剥离部分。

    Process for Separating Solids from Gas
    36.
    发明申请
    Process for Separating Solids from Gas 审中-公开
    从气体中分离固体的方法

    公开(公告)号:US20100025295A1

    公开(公告)日:2010-02-04

    申请号:US12182162

    申请日:2008-07-30

    IPC分类号: C10G11/00 B01D53/24

    摘要: A process separates solids from gas in a vessel using cyclones. The cyclones have centers located at different distances from a center of the vessel, but the inlets to the cyclones are located at the same distance from the center to balance the proportions of catalyst fines entering each cyclone.

    摘要翻译: 一种方法是使用旋风分离器将固体与容器中的气体分离。 旋风分离器具有位于与容器中心不同距离的中心,但是旋风分离器的入口位于与中心相同的距离处,以平衡进入每个旋风分离器的催化剂细粉的比例。

    STRIPPING PROCESS
    37.
    发明申请
    STRIPPING PROCESS 有权
    剥离过程

    公开(公告)号:US20090107336A1

    公开(公告)日:2009-04-30

    申请号:US11933138

    申请日:2007-10-31

    IPC分类号: B01D45/12

    CPC分类号: B01D45/14 B01D45/08 C10G11/18

    摘要: In an FCC process in which swirl arms are used to discharge gas and catalyst from a riser, a baffle is used to direct descending catalyst away from a wall of a disengaging vessel proximate a stripping section comprising elongated strips of metal.

    摘要翻译: 在其中使用旋转臂从提升管排出气体和催化剂的FCC方法中,使用挡板将下降的催化剂引导离开离开容器的壁,靠近包括细长金属条的剥离部分。

    Apparatus and Process for Regenerator Mixing
    38.
    发明申请
    Apparatus and Process for Regenerator Mixing 有权
    再生器混合装置及工艺

    公开(公告)号:US20080152562A1

    公开(公告)日:2008-06-26

    申请号:US11614830

    申请日:2006-12-21

    IPC分类号: B01D53/56 B01J8/18

    摘要: Apparatus and process for increasing mixing in a regenerator. Streamlines of gas and some catalyst may form in a regenerator as a result of cyclone inlet horns positioned in the same direction. Overall mixing in the regenerator may decrease because of these streamlines. A dampening device may be used to interrupt the streamlines and increase mixing in the regenerator. The dampening device may be a baffle and direct streamlines from the outside of the chamber toward the center to collide and mix. In another embodiment, a dampening device may be a secondary disengager positioned above the disengager near the center of an upper chamber of a regenerator. The secondary disengager may be a T-disengager or may have an inverted can arrangement that may discharge gas and catalyst near the center of the upper chamber and interrupt the streamlines. In another embodiment, a dampening device may have swirl arms and may be positioned near the center of the regenerator where streamlines may enter a swirl arm and be redirected counter to the direction of flow. Such additions to a regenerator may be relatively unobtrusive, inexpensive, and simple for a retrofit or design modification and may result in an improved combustion efficiency at high rates by enhancing the lateral blending of spent and regenerated catalyst, increased lateral mixing of cool, fuel-rich and hot, O2-rich flue gases from opposite sides of the regenerator in the dilute phase. In addition, the mean residence time of flue gas in the dilute phase may result in NOX reduction.

    摘要翻译: 在再生器中增加混合的装置和方法。 由于旋风入口角位于同一方向,气体和一些催化剂的流线可能在再生器中形成。 由于这些流线,整个再生器中的混合可能会减少。 阻尼装置可用于中断流线并增加再生器中的混合。 阻尼装置可以是挡板,并且从腔室的外部朝向中心直接流线以碰撞和混合。 在另一个实施例中,阻尼装置可以是位于再生器的上部腔室的中心附近的分离器上方的次级分离器。 次级脱离器可以是T型脱离器,或者可以具有倒置罐装置,其可以在上部室的中心附近排出气体和催化剂并中断流线。 在另一个实施例中,阻尼装置可以具有涡旋臂并且可以定位在再生器的中心附近,其中流线可以进入旋流臂并且相对于流动方向被重定向。 再生器的这种添加可以是相对不引人注意的,便宜的并且对于改进或设计修改是简单的,并且可以通过增强废旧催化剂和再生催化剂的侧向共混来提高高速率下的燃烧效率,增加冷却燃料 - 富含和富含O 2的富二氧化烟气,在稀相中来自再生器的相对侧。 此外,烟道气在稀相中的平均停留时间可能导致NO X降低。