Process for the production or coating of granules, apparatus for carrying out the process, and granules obtainable thereby
    1.
    发明授权
    Process for the production or coating of granules, apparatus for carrying out the process, and granules obtainable thereby 有权
    用于生产或涂覆颗粒的方法,用于进行该方法的装置和由此获得的颗粒

    公开(公告)号:US07732008B2

    公开(公告)日:2010-06-08

    申请号:US10270116

    申请日:2002-10-15

    IPC分类号: B05D7/00

    CPC分类号: B01D5/0054 B01J2/16

    摘要: A process for the production or coating of granules in a fluidized bed, which includes heating a fluidized-bed gas to produce the fluidized bed, and applying a liquid medium containing a granule-forming or coating-forming compound, or at least one reaction component therefore, by spraying particles located in the fluidized bed and at a same time vaporizing an organic solvent contained in the liquid medium, said particles having a smaller mean diameter than that of particles to be produced. The process also includes partial condensation of an organic solvent from at least a portion of a fluidized-bed waste gas leaving the fluidized bed, and re-heating the fluidized bed-gas leaving the condensation device and reintroducing the re-heated gas into the fluidized bed.

    摘要翻译: 一种在流化床中生产或涂覆颗粒的方法,其包括加热流化床气体以产生流化床,以及施加含有颗粒形成或涂覆形成化合物的液体介质,或至少一种反应组分 因此,通过喷射位于流化床中的颗粒并同时使包含在液体介质中的有机溶剂蒸发,所述颗粒的平均直径小于要生产的颗粒的平均直径。 该方法还包括来自离开流化床的流化床废气的至少一部分的有机溶剂的部分缩合,以及再加热离开冷凝装置的流化床气体,并将再加热的气体重新引入流化床 床。