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近年米,我网169毫米(工作高度)的叶片断裂情况严重,为了及时总结交流我网典型机组断叶片的情况,探索消除断叶的对策,现将近年来我网169毫米叶片的损坏情况及粗浅看法作一介绍。鉴于我网各厂该级叶片普遍缺乏备件,故建议在计划更换新叶片时应选点,换上新的叶型,注意安装工艺,并加强运行管理,以免叶片再次断裂,确保机组安全经济运行。
In recent years, my net 169 mm (working height) leaves rupture seriously, in order to summarize the timely exchange of my network off the case of the typical unit to explore the elimination of broken leaves countermeasures, now in my network 169 mm blade damage and superficial An introduction for the view. In view of the general lack of spare parts at the level of each plant in my plant, it is suggested that the plan should be selected when replacing the new leaves point, put on a new leaf type, pay attention to the installation process, and strengthen the operation and management to prevent the leaves rupture again to ensure safe and economic operation of the unit .