Practices demonstrate that blocking balance hole is a effective method to resolve the axial negative thrust of rotor.

实践证明，堵平衡孔是解决转子轴向负推力问题的一种行之有效的方法。

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This article analysis the major reasons that lead an axial negative thrust in unit 3, introduce the method of remove axial negative thrust with block the balance hole.

通过计算，分析了3号汽轮机轴向负推力产生的主要原因，介绍了堵平衡孔消除轴向负推力的方法。

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