毕业设计--蓄能电站水泵水轮机结构设计

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1、 毕业设计（论文） 题 目 仙游电站水泵水轮机 结构设计 专 业 热能与动力工程 班 级 动 093 班 学 生 * 指导教师 * 教授 2013 年 2 *游蓄能电站水泵水轮机结构设计 摘 要 抽水蓄能电站在电网中担任填谷调峰的关键作用，对提高电网供电质 量和电网灵活性有着十分重要的意义。安装在抽水蓄能电站的水泵水轮机， 需要根据电网的调度在水轮机和水泵两种工况间转换运行，以此完成调频 调峰等重要任务。由于水头高、转速高、容量大、运行工况复杂、起停频 繁等特点，因而决定了水泵水轮机在结构上表现出独有的特征. *游蓄能水电厂从电站规模、机组容量及高水头水泵水轮机等方面而 言，都是极具代表性的抽

2、水蓄能电站。本次毕业设计就是以该电站为对象， 通过查阅相关资料及水轮机设计手册，辅助以 CAD 绘图工具，对其混流式 水泵水轮机结构进行设计，绘制了总装配图，导水机构装配图，导叶布置 图，主轴零件图。 关键词关键词：*游蓄能电站, 水泵水轮机, 结构设计,CAD 2013 届热能与动力工程专业毕业设计（论文） The Structural Design of Pump-turbine in Fujian Xianyou Pumped Storage Power station Abstract Pumped storage power station plays a pivotal role

3、in peka-clipping of power grid，being significant to improve the quality of power supply and the flexibility of power network.Pump-turbine， which is specially applied to pumped storage power station，transfers between turbine and pump according to the manage of power grid to fulfil the vital task of p

4、eak regulation and frequency adjustment. It also shows unique features in structure due to the characteristics of high water head, high speed, large capacity, complex operation condition and frequent start-stop. Fujian Xianyou pumped storage power station is extremely typical when it comes to the sc

5、ale ， unit capacity,or the high-head pump-turbine.The graduation project takes Guangzhou pumped storage power station as the object,aiming at completing the structural design of Francis pump-turbine in this power station by refering to related data,the design hand book of hydraulic turbine and Compu

6、ter Aided Design CAD.The overall assembly, the distributor assembly, as well as some of the major parts are well designed. KEY WORDS: Fujian Xianyou pumped storage power station, pump-turbine, structural design, CAD 目录 1前 言 . 1 1.1 概述 1 1.2 设计内容 2 1.3 原始资料 2 2.水泵水轮机总体结构设计 . 3 2.1 绘制轴面流道图 3 2.2 转轮部分 3 2.2.1 转轮结构 3 2.2.2 转轮连接 4 2.2.3 转轮止漏装置 5 2.2.4 泄水锥 5 2.2.5 转轮减压装置 5 3.主轴及其附属结构部分 . 6 3.1.1 主轴直径计算 7 3.1.2 主轴结构设计 7 3.1.3 水导轴承 8 3.1.4 主轴密封 . 10 3.1.5 检修密封 .