The combined-guided floating valve tray is a patented technology jointly developed by Changsha Boneng and East China University of Science and Technology (Patent No.: 96229716.X). It is widely used in mega-scale atmospheric–vacuum distillation units, catalytic cracking units, continuous reforming units, diesel hydrotreating units, wax oil hydrotreating units, residue hydrotreating units, and other similar process units. The combined-guided floating valve tray is constructed by appropriately combining rectangular guide valves with trapezoidal guide valves on the tray.
Combined-guided floating-valve trays exhibit higher tray efficiency, with an improvement of 10–20% compared with F1 (V1) floating-valve trays. Moreover, owing to their rational structural design and excellent hydrodynamic performance, these trays offer greater processing capacity, resulting in a 20–30% increase in production capacity relative to F1 (V1) floating-valve trays.
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