旋转浮阀塔板流体力学性能研究.pdf

石 油 化 T · 9l6 · PETROCHEMICALTECHNOLOGY 2012年第41卷第 8期 旋转浮阀塔板的流体力学性能研究 张绪满，姚克俭 ，何健烽 ，刘炳炎 (绿色化学合成技术国家重点实验室培育基地 浙江T业大学化学T程与材料学院，浙江 杭州 310032) [摘要]在内径600mm的有机玻璃塔内，以空气一水为物系，对旋转浮阀塔板的流体力学性能进行研究。测定了塔板压降、 漏液量和雾沫夹带等流体力学性能参数，并与F1型浮阀塔板进行对比。实验结果表明，旋转浮阀塔板的关闭平衡点的阀孔 动能冈子(F0)比F1型浮阀塔板约高3．70％，开启平衡点的 比Fl型浮阀塔板高3．54％；当 大于关闭平衡点而小于升启平衡 点时，旋转浮阀塔板的压降和F1型浮阀塔板压降基本相同；当 大于开启平衡点时，旋转浮阀塔板的压降比F1型浮阀塔板高 3．79％～9．73％；旋转浮阀塔板的漏液分率I：LF1型浮阀塔板约低21．19％；旋转浮阀塔板的雾沫夹带率比Fl型浮阀塔板低50％以 上；旋转浮阀塔板的操作弹性大于F1型浮阀塔板。 [关键词 ]F1型浮阀塔板；旋转浮阀塔板；流体力学性能；漏液；雾沫夹带 [文章编号 ]1000—8144(2012)08—0916—05 [中图分类号 ]TQ053．5 [文献标识码 ]A HydrodynamicPerformanceofRotaryValveTrays ZhangXuman，YaoKejian，HeJianfeng，LiuBingyan (StateKeyLaboratoryBreedingBaseofGreenChemistry-SynthesisTechnology．CollegeofChemicalEngineeringandMaterials Science，ZhejiangUniversityofTechnology，HangzhouZhejiang310032，China) [AbstractjThehydrodynamicperformanceofrotaryvalvetrayswasexperimentallystudiedwithan air—watersystem inanorganicglasscolumnwithaninnerdiameterof600mm．Thepressuredrop， weepingandentrainmentoftherotary valvetraysweremeasuredandcomparedwiththoseofF1valve trays．TheF-factors(kineticenergyfactor)oftherotary valvetrayholesare3．70％and3．54％larger thanthoseoftheF1valvetrayholesatvalve-closedbalancepointandatvalve-openedbalancepoint， respectively．Thepressuredropoftherotary valvetraysissimilartothatofF1valvetrayswhenthe F-factorsarebetweentheclosedbalancepointandopenedbalancepoint．W hentheF-factorexceeded theopenedbalancepoint．thepressuredropoftherotaryvalvetraysis3．79％一9．73％ higherthan thatoftheF1valvetrays．Theweepingoftherotaryvalvetraysis21．19％ lowerthanthatoftheF1 valvetrays．Theentrainmentoftherotary valvetraysis50％ lessthanthatoftheF1valvetrays．The operationperforman