300MW汽机热态启动时7号瓦油挡碰磨分析及处理

An Analysis on Collision-abrasion of Oil Retainer in Pre-exciter Bearing During Hot start of 300 MW Turbine and its Remedy

对湛江电厂 3 0 0 MW汽轮机热态启动中出现 7号瓦油挡和转子凸肩碰摩问题进行了分析 ,采取控制转子热膨胀等措施 ,取得明显实效 。