直流式水源利用中要解决的关键问题和研究进展
Key problems to be solved in utilization of once-through water source and relative research development
摘要：
分析了利用直流式水源要解决的结垢问题与设计参数确定问题，从污垢类型、结垢机理、管材防垢、除垢方法、改变运行参数防垢与设计参数选择等几个方面介绍了目前的研究进展。
关键词：直流式水源,结垢机理,在线清洗,阻力特性
Abstract：
Analyses the problems of scaling and determining of design parameters. Presents the current advances in researches of fouling product type, scaling mechanism, fouling prevention of tube material, descaling methods, fouling prevention by changing operating parameters and the selection of designing parameters.
Keywords:once-through water source, scaling mechanism, on-line cleaning, resistance characteristic