聚酰亚胺模塑料浮动式迷宫——螺旋复合油密封  

Polyesteramide Model Plastic Floating Labyrinth--Spiral Complex Oil Seal

作　　者：杨冬梅[1] 史德利[1] 左俊业[1] 巩爱华[1] 

机构地区：[1]哈尔滨电机厂有限责任公司,黑龙江哈尔滨150040

出　　处：《大电机技术》2001年第5期23-27,共5页Large Electric Machine and Hydraulic Turbine

摘　　要：本文阐述了现代旋转机械常用的几种密封型式———衬套密封、迷宫密封和螺旋密封 ,并提出了一种全新的密封———非接触型浮动式迷宫———螺旋复合密封。同时还列举了该型复合密封在 30 0MW、2 0 0MW和 5 0MW汽轮发电机上的应用实例。此外 ,还以大量的试验数据 ,对常用密封材料进行了详尽的分析对比 。Some seal type used in modern rotating mechanism were described such as bush seal,labyrinth seal and spiral seal,the new type of discontact floating labyrinth spiral complex oil seal was developed.The application examples for 300MW,200MW and 50MW turbogenerator were given.Moreover,the seal material in common use was analyzed in detail based on experimental data.New complex seal material of polyesteramide model plastic was raised in particularly.

关 键 词：汽轮发电机 螺旋复合油密封 聚酰亚胺模塑料 浮动式迷宫 

分 类 号：TM311[电气工程—电机]