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    • 4. 发明授权
    • Moving bed chamber with a regularized flow
    • 移动床室具有正规流
    • US6090351A
    • 2000-07-18
    • US148072
    • 1998-09-04
    • Jean-Paul EuzenDaniel VuillemotRoland Huin
    • Jean-Paul EuzenDaniel VuillemotRoland Huin
    • B01J8/00B01J8/02B01J8/12C01B3/42C10G35/12B01J8/08
    • B01J8/0214B01J8/003B01J8/12C01B3/42C10G35/12B01J2208/00884B01J2219/1925B01J2219/1943C01B2203/0227
    • A chamber comprising a moving bed of solid particles, delimited by at least one screen with thickness e, circulating in a downward direction substantially parallel to the screen, the bed being traversed by at least one fluid flowing in the bed in a principal direction which is different to that of the ensemble of particles and leaving the bed by an outlet screen. In accordance with the invention, the chamber comprises at least one opening for introducing solid particles located above the bed and comprising at least one orifice for the flow of the particles, located at a distance of at least 0.6 e from the outlet screen. The chamber advantageously comprises at least two extraction openings, one extraction opening being located at a distance not more than 0.5 e from the outlet screen, and the other at a distance of at least 0.5 e from the outlet screen. The invention is applicable to catalytic reactors, in particular to catalytic reforming reactors.
    • 一个室,包括固体颗粒的移动床,由至少一个具有厚度e的筛网限定,沿着基本上平行于筛网的向下方向循环,该床被沿着主要方向流过床的至少一种流体横穿, 不同于粒子的组合,并通过出口屏幕离开床。 根据本发明,腔室包括用于引入位于床上方的固体颗粒的至少一个开口,并且包括用于颗粒流动的至少一个孔口,该孔口与出口筛网距离至少0.6e。 所述室有利地包括至少两个提取开口,一个提取开口位于离出口屏幕不超过0.5埃的距离处,另一个距出口屏幕至少0.5埃的距离。 本发明适用于催化反应器,特别是催化重整反应器。
    • 5. 发明授权
    • Process and device for improving the purity of a product in a simulated
moving bed that comprises forced fluid recirculation
    • 用于提高包含强制流体再循环的模拟移动床中的产品的纯度的方法和装置
    • US6146537A
    • 2000-11-14
    • US299586
    • 1999-04-27
    • Gilles FerschneiderRoland HuinJean-Christophe ViguieDominique Humeau
    • Gilles FerschneiderRoland HuinJean-Christophe ViguieDominique Humeau
    • B01D15/18B01D15/08
    • B01D15/1842B01D2215/024
    • The device comprises at least one column 1 that is filled with a number of beds A.sub.n, whereby each bed A.sub.i is separated from the next bed A.sub.i+1 by a fluid distributor plate P.sub.i. Each plate is divided into a number of sectors P.sub.10, and P.sub.11, and each sector comprises at least two fluid distribution chambers CH.sub.i and CH.sub.j. Each chamber of the plate is connected to a transfer line LT.sub.i and LT.sub.j to the outside. Transfer line LT.sub.i, which is associated with chambers CH.sub.i of a distributor plate, is connected to transfer line LT.sub.j, which is associated with chambers CH.sub.j of the same plate, via a bypass line L.sub.i,j. The latter comprises means 14, 15, 16, and 17 for controlling and adjusting the flow rate of fluid that circulates there, such that each distribution chamber CH.sub.i is flushed by a fluid that is obtained from chamber CH.sub.j and that has approximately the same composition as that of the fluid that circulates through distributor plate P.sub.i at each of the chambers.
    • 该装置包括至少一个填充有多个床层An的柱1,其中每个床Ai通过流体分配器板Pi与下一个床Ai + 1分离。 每个板被分成多个扇区P10和P11,并且每个扇区包括至少两个流体分配室CH 1和CH 2。 板的每个室连接到传送线LTi和LTj到外部。 与分配器板的腔室CHi相关联的传送线LTi经由旁路管线Li,j连接到与同一板的腔室CHj相关联的传输线LTj。 后者包括用于控制和调节在那里循环的流体的流速的装置14,15,16和17,使得每个分配室CH 1被从室CHj获得的流体冲洗并且具有大致相同的组成 在每个室中循环通过分配器板Pi的流体的流体。