天气预报 > 其他 > 汽轮机的轴向推力是如何平衡的
汽轮机的轴向推力是如何平衡的
更新时间: 2020-10-14 00:00:00  

开设平衡孔:在叶轮上开设平衡孔,以均衡叶轮前后的压力差,减小轴向推力。对于反动式汽轮机,由于动叶前后压差大,故将叶片直接安装在轮毂上,尽量减小作用面积以减小轴向推力。采用平衡活塞:将多级汽轮面的高压端轴封的第一轴封套直径适当地加大,以便在端面上产生与轴向推力相反的轴向力,起到平衡轴向力的作用。

关键词: 汽轮机 推力 如何 平衡

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