水力发电Issue(5)：50-52,3.
混流式水轮机转轮倒置安装
轴向水推力的计算
Calculation of axial water thrust of the inverted-installation runner of mixed-flow turbine
李人丰 1李小平 2钱晓 3徐天茂 3王煜 3曾云3
作者信息
- 1. 漫湾水电站工程管理局,
- 2. 大朝山水电有限责任公司,
- 3. 云南工业大学,
- 折叠
摘要
Abstract
At present, the axial water thrust of the mixed-flow turbine for large- and medium-scale hydropower stations is big so that the pressure pulse produced in the tailrace pipe often cause the vibration of generating unit. When the runner of turbine is inversely installed, the downward axial water thrust is changed into the upward one in order to offset the weight of the running part of generating unit. If the shape of tailrace pipe is changed, the pressure pulse can be removed so that the vibration of generating unit can be reduced. Taking the Manwan Hydropower Station as an example, the calculation showed that the load of axial thrust bearing in inverted-installation way could be greatly reduced than that in normal installation way. But for the inverted-installation, it is necessary to further study its structural problem.关键词
水轮机转轮倒置安装/混流式水轮机/轴向水推力/推力轴承负荷/漫湾水电站分类
能源科技引用本文复制引用
李人丰,李小平,钱晓,徐天茂,王煜,曾云..混流式水轮机转轮倒置安装
轴向水推力的计算[J].水力发电,2001,(5):50-52,3.
