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What harm does the new steam temperature have to the steam turbine? 2020-04-03


When the steam turbine is designed by the manufacturer, the cylinders, baffles, rotors and other components are selected based on the steam parameters. For a certain type of steel, it has a certain maximum allowable working temperature. If the operating temperature is much higher than the design value, it will inevitably cause metal machinery The deterioration of performance, the decrease of strength, and the increase of brittleness lead to the creep deformation of the cylinder, the looseness of the impeller on the shaft, the vibration or dynamic and static friction of the steam turbine during operation, and the equipment damage in severe cases. Therefore, the turbine is not allowed to run at overtemperature during operation.


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