關鍵詞 篩板塔；塔盤；降液管
Abstract
The sieve-plate column is commonly used in mass transfer tower equipment, its main advantages: ⑴ structural valve tower more than a simple, easy processing, and cost about 60% of bubble tower, tower float valve for about 80% . ⑵ processing capacity, than the diameter of the blister with tower 10 ~ 15% increase. ⑶ tray efficiency higher than that Blister tower about 15% higher. ⑷ lower pressure drop per plate bubble tower pressure than about 30%. Although the sieve-plate column are: ⑴ tray installation require a higher degree level, or gas-liquid contact with uneven. Operating flexibility ⑵ small (about 2 ~ 3). ⑶ small plate, such as easy to plug the shortcomings. But it is because of some of the advantages mentioned above, which in the chemical, petroleum, energy and other industries are still in the application of the application tray column dominance. The thesis of the nature of media, temperature and pressure, as well as the nominal diameter for the design of the natural environment and local conditions, concrete steps to include the shell, head of design and wall thickness more nuclear, based on the Central board, and other parts of the skirt design, combined with selected materials and the working environment to develop the corresponding welding technology and production, assembly and processing technology.
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