针对田家庵电厂 5号机输送灰渣管道严重结垢 ,回水系统管道结垢的问题 ,投用炉烟处理灰水系统的同时 ,在漂珠池溢流管口加入阻垢剂。对炉烟处理灰水系统进行测试 ,对结垢原因、运行参数分别进行了评价 ,并提出了建议。 In view of the serious scale scaling of the ash pipeline and the scale scaling of the backwater system in Unit 5 of Tianjiatan Power Plant, adding a scale inhibitor to the overflow pool nozzle of the drift pool while using the gray smoke system of the furnace smoke. The gray water system of the flue gas treatment was tested, and the cause of fouling and the operating parameters were respectively evaluated, and the suggestions were put forward.