FRACTIONATION TRAYS
    2.
    发明公开
    FRACTIONATION TRAYS 失效
    分割托盘

    公开(公告)号:EP0954363A1

    公开(公告)日:1999-11-10

    申请号:EP97902083.0

    申请日:1997-01-27

    IPC分类号: B01D3 B01F3

    摘要: A fractionating column (1) is provided which has perforated fractionating trays (2) and downcomers (7) allowing liquid to flow from one tray to the tray immediately below, said downcomers being provided with radial outflow ports (4) directing downflowing liquids towards the column wall rather than onto the surface of the tray directly below the downcomer. This permits at least a portion of the under-downcomer area to be perforated thereby increasing the capacity of the tray for vapor/liquid contact and ensuring that weeping of the liquid through the perforations is avoided without need for an increase in vapor pressure.

    摘要翻译: 提供了分馏塔(1),其具有穿孔的分馏塔盘(2)和降液管(7),允许液体从一个塔盘直接流到下面的塔盘,所述降液管设置有径向流出端口(4) 而不是直接在降液管下面的塔盘表面上。 这允许至少一部分下部降液管区域被穿孔,由此增加了用于蒸汽/液体接触的托盘的容量,并且确保避免液体通过穿孔渗漏而不需要增加蒸汽压力。