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    • 44. 发明授权
    • Unit, system and process for catalytic cracking
    • 单元,系统和催化裂化过程
    • US08137631B2
    • 2012-03-20
    • US12333262
    • 2008-12-11
    • Paolo PalmasRobert L. Mehlberg
    • Paolo PalmasRobert L. Mehlberg
    • F27B15/08C10G51/00
    • C10G11/18C10G11/182C10G51/06C10G2300/1059C10G2300/107C10G2300/1088C10G2300/301C10G2300/4081C10G2400/02C10G2400/20
    • One exemplary embodiment can be a fluid catalytic cracking unit. The fluid catalytic cracking unit can include a first riser, a second riser, and a disengagement zone. The first riser can be adapted to receive a first feed terminating at a first reaction vessel having a first volume. The second riser may be adapted to receive a second feed terminating at a second reaction vessel having a second volume. Generally, the first volume is greater than the second volume. What is more, the disengagement zone can be for receiving a first mixture including at least one catalyst and one or more products from the first reaction vessel, and a second mixture including at least one catalyst and one or more products from the second reaction vessel. Typically, the first mixture is isolated from the second mixture.
    • 一个示例性实施方案可以是流化催化裂化装置。 流化催化裂化装置可以包括第一提升管,第二提升管和分离区。 第一提升管可适于接收终止于具有第一容积的第一反应容器的第一进料。 第二提升管可以适于接收在具有第二容积的第二反应容器处终止的第二进料。 通常,第一体积大于第二体积。 此外,分离区可以用于接收包含至少一种催化剂和来自第一反应容器的一种或多种产物的第一混合物,以及包含至少一种催化剂和来自第二反应容器的一种或多种产物的第二混合物。 通常,第一混合物与第二混合物分离。
    • 47. 发明授权
    • Fluidized particle contacting process with elongated combustor
    • 流化颗粒接触过程与细长燃烧器
    • US06491875B1
    • 2002-12-10
    • US09429409
    • 1999-10-28
    • Paolo Palmas
    • Paolo Palmas
    • B32B2704
    • C10G11/182
    • A particulate catalyst is regenerated by upward transport in a combustor having an extended length and separated from combustion gases with a single stage of cyclones. The extended length combustor ends with a termination device arranged to tangentially discharge particulate catalyst and gases into an open disengaging vessel and to achieve a high separation efficiency. Initial high separation efficiency provided by the termination device permits a single downstream stage of cyclones to reduce particulate emissions to acceptable levels. The combination of the separation device and the extended combustor can accommodate changes in particulate densities in the extended combustor without inducing cyclone overload.
    • 颗粒催化剂通过在具有延长长度的燃烧器中向上输送再生,并与具有单级旋风分离器的燃烧气体分离。 延长长度的燃烧器末端具有端接装置,该端接装置设置成切向地将颗粒催化剂和气体排放到开放式分离容器中并实现高分离效率。 由终端设备提供的初始高分离效率允许旋风分离器的单个下游阶段将颗粒物排放减少到可接受的水平。 分离装置和延长的燃烧器的组合可以适应扩展燃烧器中的颗粒密度的变化,而不会引起旋风分离器过载。
    • 48. 发明授权
    • Process for feed contacting with immediate catalyst separation
    • 即时催化分离的进料接触方法
    • US6063263A
    • 2000-05-16
    • US270585
    • 1999-03-16
    • Paolo Palmas
    • Paolo Palmas
    • B01J8/00C10G11/18C10G11/00
    • B01J8/006C10G11/18
    • A particular arrangement of an FCC unit creates an immediate and sustained gravity separation of catalyst and hydrocarbon vapors in short contact time cracking operation. A transverse feed contactor ejects the mixture of catalyst and hydrocarbon vapors transversely into a central portion of a separation vessel for vertical disengagement of catalyst from vapors. The vapors travel upwardly in the vessel into an inertial separator that quickly segregates entrained catalyst from the hydrocarbon vapors and collects separated catalyst at a higher elevation for stripping of adsorbed hydrocarbons from the catalyst.
    • FCC单元的特定布置在短时间接触时间开裂操作中产生催化剂和烃蒸气的立即和持续的重力分离。 横向进料接触器将催化剂和烃蒸汽的混合物横向喷射到分离容器的中心部分,以使催化剂与蒸汽垂直分离。 蒸汽在容器中向上行进惯性分离器,其快速地将夹带的催化剂从烃蒸气中分离出来,并在更高的高度收集分离的催化剂,以从催化剂中汽提吸附的烃。