溢流水管结垢原因分析及在线化学清洗
East China Electric Power(2006)
Abstract
介绍了4×300 MW机组配套的2套水力除渣循环系统溢流水子系统管道严重结垢,实际通流截面积最小处仅为管道截面积的12.25%。解决措施是通过在线化学清洗,清除了01B溢流水管管道内结垢物,使得溢流水泵出口压力和电流恢复正常。总结了化学清洗试验过程及结果,并进行了清洗前后节能分析;通过结垢物成分分析和溢流水水质分析,给出系统结垢原因分析,并提出防止结垢的建议。
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Key words
hydraulic slag removal system,chemical cleaning,overflow pipe,pipe scaling
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