FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to rectification equipment, particularly, to regular attachments of rectification columns. Most promising is using proposed attachment for vacuum rectification column. Proposed attachment consists of one or several rolls of required length consisting of alternating layers of corrugated mesh and flat mesh arranged to form screw steam passage channels there between. Every layer of corrugated mesh is wound from separate corrugated mesh either with abutting turns or with minor clearance. Channel width and inclination and crimp height may vary in layers.
EFFECT: higher efficiency of rectification.
2 dwg
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