【作者】 李建华； 赵春明； 顾鸣；

【Author】 Li Jianhua, Zhao Chunming, Cu Ming(Xin’anjiang Hydropower Station, Jiande Zhejiang 311608, China; Hangzhou Cuodian Power Station Equipment Co. , Ltd, Hangzhou 310012, China)

【机构】 新安江水力发电厂； 杭州国电电站装备有限公司；

【摘要】 部分早期建造的水电站的技术供水管道用的是铸铁管,对于无法更换的部分一旦出现裂纹很难处理。新安江水电厂坝前引水管改造中,在铸铁管外面增设一层按密封承压设计的新铜管,并在新、旧铜管之间灌注填料,这为老电站铸铁管的改造提供了一种有效方法。更多还原

【Abstract】 The cast-iron pipe had been used for water supply pipeline in some old hydropower stations. It is very difficult to repair cast-iron pipe with cracks. In order to reform cast-iron pipeline in Xin ’anjiang Hydropower Station , a set of new sealing pipes was installed outside the existed pipes and stuffing was impregnated between them. It is an effective way for reform cast-iron pipeline in old stations.更多还原