导向梯形浮阀塔板的特点及工业应用

报道了新开发的导向梯形浮阀塔板的结构特点和性能，分析了这种新型浮阀塔板上气液两相的流动状况，揭示了其特有的利用气体的动量推动液体向前流动的导向推液作用，从而减小直至消除液面落差，减小局部漏液，改善气体流动的均匀性，进而提高塔板效率。试验测定结果表明，导向梯形浮阀塔板效率比Ｆ１型浮阀塔板提高了５％～１０％以上。此外介绍了导向梯形浮阀塔板的工业应用。

Characteristics of Guided Trapezoid Valve Tray and Its Industrial Applications

　newly　developed　distillation　tray guided　trapezoid　valve　tray　is　presented　with　its　structure　and　performance,and　the　flowing　and　contacting　situation　of　liquid　and　vapor　phase　on　this　new　tray　is　describedThe　guidance　of　vapor　for　liquid　flowing　forward　is　brought　to　light　through　analysis　of　the　momentum　transfer　between　the　liquid　and　vapor　phase　on　this　trayThis　guidance　decreases　and　even　eliminates　the　hydraulic　head　drop,reduces　local　weeping,improves　the　uniformity　of　vapor　flowing,and　increases　tray　efficiencyThe　experimental　results　show　that　the　guided　trapezoid　valve　tray　has　an　efficiency　5%～10%　higher　than　F1　valve　trayIn　addition,industrial　application　of　this　new　distillation　tray　in　refinery　plant　is　presented