大中型火力发电厂省煤器输灰系统设计与应用

Design and application of ash conveying system for economizers of large and medium-sized coal-fired power plants

省煤器灰属于重力沉降灰,一般具有颗粒大、密度大、形状不规则等特点。对大中型火力发电厂省煤器输灰系统不同方案进行对比与分析,总结出各自的优缺点及各方案的运行效果,供大中型火力发电厂省煤器输灰系统设计时参考。

The economizer ash belongs to the type of gravity settling ash,which has features of large grain,large density and irregular shape,etc.This paper compared and analyzed different schemes of ash conveying system for economizers of large and medium-sized coal-fired power plants,summarized their merits,demerits and operation effects,and provided a reference for the design of ash conveying system.