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对水轮机的选型和结构设计进行研究,不仅可以使水轮机在实际运行中更加接近设计参数,同时可以对已运行的水轮机进行优化改造。本文根据水轮机型号和转轮直径等基本参数,依据水轮机模型特性曲线,绘制水轮机真机运转特性曲线,水轮机型号和转轮直径等基本参数,确定水轮机的主要特征尺寸,对水轮机主要部件进行结构设计;根据机组型式和电站基本条件设计主轴密封和水导轴承。
The research on turbine selection and structure design can not only make the turbine closer to the design parameters in actual operation, at the same time, it can optimize the existing turbine. In this paper, the basic parameters of the turbine model and runner diameter, according to the turbine model characteristics curve, draw the turbine actual operating characteristic curve, the turbine model and the diameter of the rotor and other basic parameters to determine the main features of the turbine size, the main components of the turbine structure design ; According to the unit type and the basic conditions of the design of the main shaft seal and water guide bearings.