Use of downcomer beam to support adjacent cross flow trays within a mass transfer column and process involving same

摘要

Cross flow trays in a mass transfer column are provided with downcomers having one or more walls that extend from a tray deck of one the cross flow trays to an elevation below a tray deck of an underlying one of the cross flow trays. The downcomer walls are connected to and provide structural support for the tray decks of the cross flow trays.

主权项

1. An upper cross flow tray paired with a lower cross flow tray for facilitating interaction between fluid streams in a mass transfer column, said upper and lower cross flow trays each having a tray deck with apertures and a downcomer, at least one of said downcomers comprising a wall extending downwardly from a tray deck of one of said upper and lower cross flow trays to below the tray deck of the other one of said upper and lower cross flow trays, wherein said wall is connected to and provides structural support for both of said tray decks.