降液管长度对分散降液筛板性能的影响  

Effect of Down-comer Length on the Performance of the Decentralized Down-comer Sieve Plate

作　　者：王彩琴[1] 曹振恒[2,3] 杨倩[1] 孙烨[1] 

机构地区：[1]陕西能源职业技术学院化学工程系,陕西咸阳712000 [2]延安大学化学与化工学院,陕西延安716000 [3]陕西省化学反应工程重点实验室,陕西延安716000

出　　处：《广东化工》2017年第12期138-139,132,共3页Guangdong Chemical Industry

基　　金：陕西省科技厅工业攻关项目(2012K09-32);陕西省教育厅科研计划项目(09JK813);延安市科技局工业攻关项目(2012kg-08)

摘　　要：探讨了分散降液筛板塔的降液管,通过计算分析设置了降液管的管径和长度,以"氧气-空气-水"为体系,研究了降液管长度对分散降液筛板的流体力学性能和传质性能的影响,结果表明降液管长度对分散降液筛板的性能具有重要的影响,且降液管长度为20mm的分散降液筛板综合性能较好。To investigate the down-comer of the decentralized down-comer sieve plate colunto, through calculation and analysis, set up the down-comer diameter and length, take the oxygen - air - water as the target system to study the inlluence of down-comer length on the hydrodynamics and mass transfer decentralizeddown-comer sieve plate, the results show that it has an significant effect on the performance of the decentralized down-comer sieve plate, and the comprehensive performance of the decentralized down-comer sieve plate with 20mm down-comer length is good.

关 键 词：筛板塔 分散降液筛扳 分散降液管 

分 类 号：TQ[化学工程]