Low temperature air fractionation system
AssigneeLinde Aktiengesellschaft
InventorsStefan Moeller, Wolfgang Bader
Life of this patent
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Abstract
The invention relates to a low temperature air fractionation system comprising several modules consisting of at least one heat exchange unit, a pressure column and a low pressure column, in addition to the accessories belonging to the respective modules and at least two cold-boxes, wherein the module and/or the accessories are arranged. The invention is characterized in that at least one of the cold-boxes is embodied in the form of a main box and at least one of the cold-boxes is embodied in the form of a secondary box. The secondary box contains at least one module and the accessories of the module disposed in the secondary box are mainly located in the main box.
Claims12
A multiple module low-temperature air separation system comprising at least one heat exchanger unit, high pressure rectification column including high pressure column accessories, and a low-pressure rectification column including low pressure column accessories, and at least two coldboxes, wherein at least one of the coldboxes is a first main coldbox containing one of the high and low pressure rectification columns and at least one of the coldboxes is a first secondary coldbox containing the other high or low pressure rectification column, and the first main coldbox comprising (A) the accessories associated with the rectification column within said first main coldbox and (B) most of the accessories associated with but apart from the other rectification column in the first secondary coldbox, said accessories including measurement, control and inspection devices.
Dependencies are inferred from the claim text.