| 摘要 |
LIQUID-VAPOUR CONTACT APPARATUS Apparatus comprising a liquid-vapour contact column 2 houses an array of vertically spaced liquid-vapour contact trays 6a, 6b and 6c, and an arrangement of downcomers 8a, 8b and 8c that conduct liquid from tray-to-tray down the array. In a vapour space between the trays 6b and 6c there is a liquid vapour disengagement device 34b having vapour passages therethrough and defining a surface or surfaces for the flow thereacross of any liquid disengaged from vapour ascending the column. The device 34b is typically provided by a sheet of expanded metal and has an outlet edge 44 in liquid flow communication with the tray 6c via the downcomer 8c.
|
