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Views: 7 Author: Pingxiang Chemshun Ceramics CO.,LTD Publish Time: 2022-06-13 Origin: Pingxiang Chemshun Ceramics CO.,LTD
Random packing is the core component of the packed tower, and the mass transfer efficiency of the packing is directly related to the operation performance of the packed tower. To improve the mass transfer efficiency of the filler, it can be considered to increase the specific surface area of the tower packing, improve the surface utilization rate, increase the diffusion coefficient or reduce the thickness of the stagnant film layer.
The mass transfer efficiency of chemical packing can be improved by changing the structure of the packed column
1. One of the main factors that determine the efficiency of the packing is the length of the contact time between the gas and liquid phases on the surface of the packing. Within a certain packing height, the longer the air contact time, the higher the packing efficiency.
2. Increasing the specific surface area of the packing can improve the mass transfer efficiency, but at the same time it will increase the operating pressure drop of the tower, reduce the flux, increase the liquid holdup, and also increase the investment cost. Therefore, it is necessary to comprehensively consider various operating factors and price factors of the packed tower to determine the appropriate specific surface area of the packing. The surfaces provided by the packing are not all effective gas-liquid contact surfaces, and improving the effective utilization of the specific surface area can improve the efficiency of the packing.
3. Fillers with different structures have the same specific surface area, but their properties are different. The performance of the filler can be improved by changing the structure of the filler. This is exactly what the development of new fillers does. Increasing the number of small plates composing the filler and changing the angle of the liquid flowing along the surface of the filler can increase the gas-liquid contact time and improve the efficiency of the filler.
Chemshun Ceramics as manufacturer and supplier of chemical packing products , welcome to inquiry
