管内污垢流体动力螺旋自动清洗新技术  

A new technology of automatic removing foulingin heat transfer tubes with twisted strip

作　　者：俞天兰[1] 刘义伦[1] 

机构地区：[1]中南大学研究生院

出　　处：《清洗世界》2005年第6期1-4,共4页Cleaning World

基　　金：湖南省自然科学基金资助项目(02JJY2070)

摘　　要：提出以大截面塑料螺旋线取代钢丝螺旋线解决传热管壁的磨损问题,以预旋结构的管口轴承座-冲推动力轮强化自转塑料螺旋线的清洗动力矩。测试结果表明,传热管内污垢自动清洗的效果好;能够在较低的流速下工业应用;传热强化幅度达到52.6%,比钢丝螺旋线高60%;并且设备阻力不大。A new technology of automatic removing fouling, in which using the plastic twisted stripinserts solves the wear and tear problem and a special inlet beating enlarges the cIeaning force moment, is introduced. The experiments show that such clean is effective and the new technology can be used in industry at low flowing velocity. The heat transfer enhancement is 52.6%. This is 60% more than steel spiral. In addition, the total resistance of equipment is not great.

关 键 词：塑料螺旋线 力矩强化 自动清洗 传热强化 流体阻力 

分 类 号：TQ051.62[化学工程]