垂直列管加热的搅拌槽中温度场分布的研究  

Temperature Distributions in an Agitated Tank Heated by Vertical Pipes

作　　者：王志锋[1] 黄雄斌[1] 周国忠[1] 施力田[1] 

机构地区：[1]北京化工大学化学工程学院,北京100029

出　　处：《华北工学院学报》2001年第6期416-419,共4页Journal of North China Institute of Technology

基　　金：国家自然科学基金资助项目

摘　　要：目的　研究垂直列管加热的搅拌槽中温度场分布 .方法　在对称装有 4组垂直加热列管、直径为5 0 0 mm的搅拌槽中使用带副叶的 CBY桨进行搅拌 ,工作物料是纯度为 99.5 %的甘油 ,液晶粒子均匀分散在其中 ,采用 LC测温技术测量搅拌槽内温度场的分布 .结果与结论　在流体雷诺数较低情况下搅拌槽中的温度分布不太均匀 。Aim: To research the temperature distribution in an agitated tank which is heated by vertical pipes. Methods: There are four sets of vertical heating pipes equipped symmetrically in an agitated tank whose diameter is 500 mm. The working liquid is glycerine whose purity is 99.5%. The LC technique was used to measure the temperature distributions in the tank. The liquid crystal particals are dispersed uniformly in it. Results and Conclusion: The temperature distributions in the tank is not uniform when the Reynolds number of the impeller is low, and there exist high temperature field near the vertical pipes.

关 键 词：垂直列管 搅拌槽 温度分布 液晶 测温 加热 搅拌反应器 

分 类 号：TQ021.3[化学工程] TK124[动力工程及工程热物理—工程热物理]