| 摘要 |
FIELD: petroleum refining industry. ^ SUBSTANCE: the invention presents a rectifying column (1) including a complete set of the fractionating trays, in which the upper trays are supported} by the lowermost tray of the set, that is a single tray of the set, which is supported by a wall of the column. It is preferable, that escape channels (13) or free plates of the top tray are supported by the upper parts of the escape channels (13) located under the following tray. Only the lower tray is supported by a ring (12) fixed to the column. The invention ensures reduction of time required for assembly or repair of a column and decrease of the cost of the whole system and its installation. ^ EFFECT: reduction of time required for assembly or repair of a column, decrease of the cost of the whole system and its installation. ^ 11 cl, 7 dwg |
