高效节能换热器在氮肥工业中的应用  

Application of high efficiency and energy saving shell-and-tube heat exchanger in nitrogen fertilizer industry

作　　者：王学生[1] 王如竹[1] 

机构地区：[1]上海交通大学制冷与低温工程研究所,上海200030

出　　处：《现代化工》2003年第5期42-44,51,共4页Modern Chemical Industry

基　　金："九五"国家科技成果重点推广计划项目 (960 1 0 30 5A)

摘　　要：描述了新型折流杆换热器的强化传热和降低壳层压力降的原理 ,它与传统折流板换热器相比 ,传热效率高 ,材料及能耗小。介绍了这种新型换热器在合成氨变换工段和尿素装置中的应用情况及所起的节能降耗作用 ,指出该高效节能换热器在设计和生产中的关键技术。The mechanisms of heat transfer enhancement and pressure drop reduction are analyzed of a new type of rod-baffle shell-and-tube heat exchanger with spiral groove tube bundles. The design of this high efficient and energy saving heat exchanger provides superior performance of heat transfer and pressure drop performance. The industrial application of this new kind of heat exchanger in transformation section and urea unit of ammonia synthesis in nitrogen fertilizer plants is introduced. The core technology in design and production of this type of exchanger is given out.

关 键 词：高效节能换热器 氮肥设备 折流杆 管壳式换热器 强化传热 

分 类 号：TQ441.41[化学工程—化学肥料工业] TQ440.51