| 摘要 |
FIELD: mechanics. ^ SUBSTANCE: plate-type column features plates, two or more support elements (2) attached at bottom surface of the plates and supporting the plates, and mantle ring (4) for plates at internal case (1) of the plate-type column. Flutes in mantle ring allow avoiding triple junction between internal case (1) of column, mantle ring (4) and support element (2), which are most critical initiation areas of chemical and physical transformation of substances, causing contamination of plate-type columns. ^ EFFECT: fluid drain through flutes without impairing carrying capacity of mantle ring. ^ 8 cl, 3 dwg
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