APPLICATION OF VARIOUS STEAM SEALS FOR STEAM TURBINES AND COMPARISON THEREOF

WEI Yong-bo; ZHANG Xiao-dong; ZHANG YuGuodian Taiyuan Thermal Power Plant No.1

doi:10.19666/j.rlfd.2007.12.018

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APPLICATION OF VARIOUS STEAM SEALS FOR STEAM TURBINES AND COMPARISON THEREOF

Thermal Power Generation Issue 12, Pages: 65-68(2007)

更新时间：2025-09-28

- APPLICATION OF VARIOUS STEAM SEALS FOR STEAM TURBINES AND COMPARISON THEREOF
- 作者机构：
  
  国电太原第一热电厂
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.12.018
  CLC： TK263.2
- Published：2007
- 稿件说明：
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WEI Yong-bo, ZHANG Xiao-dong, ZHANG YuGuodian Taiyuan Thermal Power Plant No.1. APPLICATION OF VARIOUS STEAM SEALS FOR STEAM TURBINES AND COMPARISON THEREOF[J]. Thermal Power Generation, 2007, (12): 65-68.
DOI：

WEI Yong-bo, ZHANG Xiao-dong, ZHANG YuGuodian Taiyuan Thermal Power Plant No.1. APPLICATION OF VARIOUS STEAM SEALS FOR STEAM TURBINES AND COMPARISON THEREOF[J]. Thermal Power Generation, 2007, (12): 65-68. DOI： 10.19666/j.rlfd.2007.12.018.

摘要

汽封的性能对机组的经济性和可靠性有重要的影响。为降低漏汽损失

提高机组安全性和经济性

将原有的传统曲径汽封改为新型汽封十分必要。本文对各种汽封的工作原理和实际应用情况进行了对比分析

并阐述了汽封改造和应用中须注意的问题。

Abstract

The performance of steam seals plays an important role in economic efficiency and reliability of the units. In order to decrease the leakage lose and to enhance the security and economic efficiency of the units

it is most necessary to retrofit the seal structure from traditional stepped labyrinth seals to new type ones. The working principle and practical application of several kinds of steam seals have been analysed and compared

and problems needing to pay attention in seal retrofit and seal application being expounded.

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