碧口水电厂水轮机主轴密封结构形式的分析与实践  

Analysis and Practice of Structural Modes of Main Shaft Seal of Hydraulic Turbine,Bikou Hydropower Station

作　　者：程有真 韩亚宁 李世康 

机构地区：[1]大唐碧口水力发电厂,甘肃省文县746412

出　　处：《西北水电》2012年第1期56-58,共3页Northwest Hydropower

摘　　要：碧口水电站3台水轮机主轴密封历年来采用过尼龙端面密封、液压端面橡胶密封、端面水压密封,均属于端面密封形式。文章就3种密封的结构特点、工作原理、使用情况、优点不足等进行了简要分析介绍,为水轮机主轴密封的改造和使用提供一定的参考。Nylon end seal,hydraulic-end rubber seal and end water-pressure seal have been successfully applied for the main shaft seals of three hydraulic turbines,Bikou Hydropower Station.All these seals are of end seal modes.In this paper,structural characteristics,operating principle,application status,advantages and disadvantages of these three kinds of seals are analyzed and introduced in brief.It provides reference for renovation and application of the main shaft seal of hydraulic turbine.

关 键 词：主轴密封 端面 水轮机 碧口水电站 

分 类 号：TK730[交通运输工程—轮机工程] TV734.1[动力工程及工程热物理—流体机械及工程]