| 摘要 |
Column for the cryogenic separation of gaseous mixtures comprising:<BR> ```- liquid traps (10, 26, 27) located between two active zones (5, 14, 28, 29) consisting of a cylindrical container with a perforated bottom (11) and defining, with the column, an annular space (9) through which the ascending gases pass;<BR> ```- internal linings (30, 31) of the column, means (15) for causing the ascending gases to pass into the said internal linings (30, 31) and means (18) for causing the said gases and the liquid they contain to leave the said linings (30, 31), returning them to the interior of the column above the said liquid trap (10, 26, 27);<BR> ```- external jackets (21, 32, 33) of the column, comprising means (22, 34, 35) of introducing a cooling fluid (23) into their lower part and means (24, 36, 37) of extracting the said fluid from their upper part, the said external jacket (21, 32, 33) allowing heat transfers between the said fluid (23) and the matter circulating in the internal lining (30, 31);<BR> ```- and means (38) for introducing a liquefied gas to scrub the gas extracted at the top of the column. |
