天气预报 > 其他 > 水轮机导叶端面总间隙要多少
水轮机导叶端面总间隙要多少
更新时间: 2020-09-23 00:00:00  

1、导叶间隙包括立面间隙和端面间隙。按规定,导叶上、下端面间隙总和的偏差值,最大不得大于设计最大间隙值,最小不得小于设计最小间隙值的60%。

2、导叶上、下端面间隙应符合图纸要求,上端面间隙一般为实际间隙总和的60%到70%,下端面间隙一般为实际间隙总和的20%到30%。导叶止推压板轴向间隙不应大于该导叶上端面间隙的50%。导叶在钢丝绳捆紧情况下,要求关闭紧密,立面用塞尺检查应通不过。

关键词: 水轮机 端面 间隙 多少

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