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近年来，某机组汽轮机在运行时其转子由负推力定位，在采取了一些措施后，也没有明显改善。本文对汽轮机转子呈负推力的原因进行了诊断，并根据现场实际情况提出了平衡汽轮机转子轴向推力的措施，并对汽轮机转子如何能够获得正向推力进行了探讨。
In recent years, when a steam turbine of a unit is in operation, its rotor is positioned by a negative thrust, and after some measures have been taken, there has been no obvious improvement. In this paper, the cause of negative thrust of steam turbine rotor is diagnosed, and measures to balance the axial thrust of steam turbine rotor are put forward according to the actual conditions in the field. And how to obtain the forward thrust of steam turbine rotor is discussed.