摘要：

结垢是火电厂灰水系统普遍存在的问题。作者分析了灰水结垢的原因，介绍了目前采用和研究的几种防垢技术的工艺，比较了几种防垢技术的优缺点。

关键词: 火电厂, 灰水系统, 防垢

Abstract:

Scaling of the ash handling system is a commonly existingproblem in the Heat Power Plant. In this paper, we analyse thereasons of scaling of ash water and introduce the principle andtechnology of some kinds of anti-scaling techniques which arebeing used in ash handling systems now. In details we comparethe advantages and disadvantages of these anti-scalingtechniques.

Key words: Heat Power Plant, ash water, anti一scaling technique