螺旋板换热器结垢的预防与清洗李继中，柳建国，郑新民，刘德明（山西大同煤气公司煤气厂）我厂净化车间粗苯终冷软水的冷却，采用三台螺旋板式换热器，尽管换热效率很高，优点很多，但使用维护不周，堵塞结垢不易清理。经过六年多使用总结，我们发现许多问题，并找到一些... Prevention and Cleaning of Scaling in Spiral Plate Heat Exchanger Li Jizhong, Liu Jianguo, Zheng Xinmin, Liu Deming (Shanxi Datong Gas Company Gas Factory) The cooling of the crude benzene cooled cold water in the purification plant of our plant adopts three spiral plate heat exchangers, though The heat exchange efficiency is high, and there are many advantages. However, it is not easy to use and maintain, and it is not easy to clean the blocked scale. After more than six years of use, we found many problems and found some...