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Product Details:
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| Specific Area: | 55 | Plate Thickness: | 0.1mm, 0.12mm, 0.15mm |
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| Material: | SUS304, SUS316L | Shape: | Customized |
| Size: | As Per Order | Feature: | High Capacity |
| High Light: | 4y wire mesh structured packing,SUS304 wire mesh structured packing,High Void Fraction structured packing |
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High void fraction 4Y SUS 304 corrugated metal plate structured packing
1. structured packing provides many advantages compared to random packing or fractionation trays.
Lower pressure drop through the column
■Lower botoms temperature for heat sensitive systems
■Higher relative volatility for difficult separations
■Lower energy consumption
■Reduced foaming tendency
Higher efficiency in the same tower height
■Large number of theoretical stages required
■Reduced reflux requirement
Higher capacity
■Reduced vessel diameter
■Increased operating rates
Excellent liquid spreading characteristics
■Improved efficiency
■Offshore applications subject to permanent tilt and motion
Reduced liquid hold-up
■Smaller amounts of polymer inhibitor
2. Function of structured packing in distillation column
Through the packing, the two-phase flow is upward and downward convection. Gravity is the driving force of liquid flow, and pressure difference is the driving force of gas flow. The two phase flow is mass transfer and heat transfer through the two forms of film surface and spray. The mass transfer and heat transfer of the two phases in the plate column take place in the gas-liquid mixed phase on the upper surface of the tray, on the liquid layer surface of the downcomer and on the bubbling area caused by the mass transfer elements.
3. structured packing popular specifications
| Item | Unit | 125X | 125Y | 250X | 250Y | 350X | 350Y | 500X | 500Y | |
| corrugation height h | mm | 24.0 | 11.5 | 8.4 | 6.0 | |||||
| corrugation inclination θ | (°) | 30 | 45 | 30 | 45 | 30 | 45 | 30 | 45 | |
| corrugation distance 2B | mm | 39.6 | 19.0 | 14.0 | 9.9 | |||||
| corrugation angle β | (°) | 79.0 | 79.1 | 79.6 | 79.0 | |||||
| void fraction ε | δ=0.15mm | % | 99.4 | 98.6 | 98.0 | 97.2 | ||||
| δ=0.12mm | % | 99.5 | 98.9 | 98.4 | 97.8 | |||||
| δ=0.10mm | % | 99.6 | 99.1 | 98.7 | 98.2 | |||||
| Perforated hole diameter d0 | mm | 4.5 | 4.5 | 4.0 | 4.0 | |||||
| Opening rate σ | % | 8.5-9.5 | 8.5-9.5 | 9.0-10.0 | 9.0-10.0 | |||||
| radius of curvature of the top circle of corrugation angle R | mm | ≤2.0 | ≤1.4 | ≤0.9 | ≤0.5 | |||||
Note: The influence of opening rate on the plate is not calculated
4. structured packing helps to get material balance
Material balance means that the amount of material entering the tower in unit time should be equal to the sum of the amount of material leaving the tower. The material balance reflects the production capacity of the tower, which is mainly regulated by the feed volume and the discharge volume at the top and bottom of the tower. During the operation, the change of material balance is reflected in the liquid level at the bottom of the tower. When the operation of the tower does not conform to the overall material balance, it can be reflected from the change of tower pressure difference. For example, if more is in and less is out, the tower pressure difference will rise. For a fixed distillation column, the tower pressure difference should be within a certain range. If the tower pressure difference is too large, the rising steam speed in the tower is too large, the entrainment of mist is serious, and even flooding occurs, which destroys the normal operation; if the tower pressure difference is too small, the rising steam speed in the tower is too small, the gas-liquid two-phase mass transfer effect on the tray is reduced, and even liquid leakage occurs, which greatly reduces the tray efficiency. If the material balance is not well mastered, the operation of the whole tower will be in a state of confusion. Mastering the material balance is a key in the tower operation. If the normal material balance is destroyed, it will affect the other two equilibria, that is, the vapor-liquid equilibrium can not achieve the expected effect, and the heat balance is also destroyed and needs to be readjusted.
every year we manufacture and supply hundreds of cubic meters of metal structured packing in different models. There are many popular types and materials for option. Custom order is welcome, too! We are happy to help with what you need!
Tel: 15112670997
