High Capacity Packed Column Internals For Vane Pack Mist Eliminators
Vane Pack Mist Eliminators are high capacity separators; they collect essentially 100% of all particles greater than 8 to 40 microns in diameter, depending on design parameters. They are assembled as banks of parallel vane profiles. This design causes the gas to change direction a number of times from inlet to outlet of the separator. The intertia of the liquid droplets forces the entrained liquid droplets to impinge on the vane surfaces where they form a liquid film and drain. Simple Vane Pack profiles are particularly suitable for applications with a significant risk of fouling due to solid particles or high viscosity liquids in the feed. It offers a wide range of Vane Packs depending on the direction of gas flow and the complexity of the vane profiles. Sectional installation of the vane banks allows installation and removal through the vessel manway.
Complex Vane Pack designs provide special separation channels to allow disengagement of liquid and drainage from the vane surface which increases the capacity. These profiles are therefore used when equipment size is critical,
for example in de-bottlenecking of existing equipment.
Materials: Stainless steels, Duplex Steels; Alloy C276, 400, 625, 825, 20, etc...; Thermal-set plastics, FRP
Specifications of drift vane pack mist eliminator:
| Items | Specific Introduction |
| Materials of drift eliminator | FRPP | Stainless steel | Fiberglass |
| Tem resistance | 70-80℃ | 200℃ | 130℃ |
| Baffle plate thickness | 3mm | Set by customer requirements | Around 2.3mm |
| Price | Lower | Higher | Higher |
| Form | Horizontal type (plate type), Herringbone type (weir type), V type, combined type, etc. |
| Area of drift eliminator | The inner diameter of the desulfurization tower area or cross-section area of flue |
| Flow velocity of air tower | Plate type 3-4 m/s, weir type 2.5-5.5 m/s |
| Degree | Two degrees |
| Interval and height between baffle plates | Designed by different desulphurization craft |
| Flushing layers of flushing systems | Upper and bottom of first-degree drift eliminator, bottom of second-degree drift eliminator, configurable and topper layer of some drift eliminator be flushed in hand |
Benefits:
1. Suitable for applications where solids or sticky and viscous liquids are present and would plug a wire mesh mist eliminator
2. Suitable for both vertical and horizontal gas flow Good collection efficiency in low pressure drop and vacuum applications
3. Suitable for higher liquid and gas loads.
Applications:
1. Low Pressure Evaporators
2. Refinery Vacuum towers
3. Scrubbers in flue gas desulfurization (FGD) systems
4. Pulp and Paper mills
5. Sugar refinery
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