Cascade Mini Rings

Cascade Mini Rings
Reduced pressure dropThe Cascade-mini ring have largest opening predominantly in the direction of the vapor/liquid flow which allows for easy passage, This reduces the pressure drop significantly.Increased plant capacityIncreased plant capacity is the direct result of the reduction in pressure drop, as this moves the operating point further away from the "critical pressure drop point" at which flooding occurs. This is typically 1-2 in., wc/ft or 10-20 mbar/in). This effect allows additional vapor/liquid handling and therefore increases plant capabilityImproved resistance to "fouling".Improved resistance to fouling results from the the directional positioning of the rings, (largest opening in direction of flow ) as any solids entering the packed bed are more easily flushed through the packing matrix.Higher operational efficiencyHigher operational efficiency occurs because of the preferential orientation which ensures that in most of the ring surface are positioned vertically rather than horizontally, and this is also advantageous for mass transfer. High efficiency is dependent on as much of the available surface area as possible being effectively wetted. The underside of any horizontal surface in a packed bed or tower is naturally shielded from the liquid trickling down and is therefore not fully wetted, such dry surfaces play little or no part in the mass transfer process. CMC packing significantly reduces this effect.
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