循环流化床锅炉膜式省煤器的改造实践

Practical improvement on diaphragm economizer of circulating fluid bed boiler

某循环流化床锅炉的省煤器在运行后其蛇形管频繁出现受热面爆管故障。通过爆管原因分析,制订并实施了改造,改造效果明显,运行两年多未出现爆管故障。

After the operation of economizer of a circulating fluid bed boiler,its coil pipe frequently bursts on the heating side.Through cause analysis,improvement has prepared and executed,the result is evident.No pipe burst occurs at all for over two years operation.