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Wire Mesh Pad Gas Liquid Separator Average Sections HL-Donut Band
The wire mesh demister is installed above the surface of the liquid with some distance. From one hand it allows some space for the natural disengagement of the coarsest natural particles. From the other hand, it ensures that the gas/ vapour flow is uniform over the whole area of the mist eliminator
The gas / vapor containing droplets passes into mesh pad demister at a predetermined velocity. It easily finds open path through the mesh but the droplets and mist impinge on the filaments of mesh where they coalesce and eventually grow to such a size to overcome surface tension of liquid and force of gravity. Then the liquid droplets so formed fall down. And the mist free gas / vapour passes through the mesh demister pad.
Here we introduce a new method of making donut shape demister pad vapor liquid sepators. Except the popular long strip segment method, we can also divide the circle averagely into flabellate sections. In this way, it may be easier to install and mainten the demister pad than the other method. While actually speaking, it does require more labor and material cost in workshop. 
More knowledge we have in the application of demister vapor liquid separator with different mesh types:
| Mesh Density | Eq to: YORK | Description |
| 80 | 931 | For a given load of mist, the highest flow velocity is achieved of all styles. Ideal where it is required to minimize the pressure loss, possible clogging is concerned, the size of particle to be collected is relatively large, and/or a very high efficiency is not required. |
| 144 | 431 | Used for general purposes. An efficiency of 98 to 99% is achieved at a velocity of 1 to 5 m/sec. |
| 192 | 421 | Used where an especially high efficiency is required. While a pressure loss is slightly higher, it achieves an efficiency of 99 to 100% with particle sizes 3μ or more at a velocity of 1 to 6 m/sec., and is ideal where an efficiency of 90% or more is required at a velocity of 1 m/sec. or less. |
| 216 | Used for collecting fine particles of 1 to 3μ in size. Especially for a low-density mist of 1.0 g or less, it is used in a thickness of 200 to 300 mm. | |
| 432 | 333 | Used for collecting fine particles. An efficiency higher than that of 216 can be achieved. The most remarkable characteristic is that it provides a high efficiency with a reduced thickness. |
Advantages wire mesh demister pad can provide:
1. Simple installation;
2. Low pressure loss;
3. 90% to 99.9% efficiency;
4. Little maintenance is required;
5. Elimination of liquid product loss;
6. Essential improvement of vapor phase quality;
7. Dimensions and configurations are not limited;
8. Contacting surface area is larger than the specific gravity;
9. No direct power is required since the equipment has no operating parts
10. Compact equipment can be used in accordance with increased production capacity