Fault Diagnosis of Low Vacuum Degree of Condenser and Treatment Measures

朱剑; 吴志革; 刘小锋

doi:10.16056/j.1005-7676.2018.02.026

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Fault Diagnosis of Low Vacuum Degree of Condenser and Treatment Measures

更新时间：2026-01-19

- Fault Diagnosis of Low Vacuum Degree of Condenser and Treatment Measures
- Issue 2, Pages: 97-99+102(2018)
- 作者机构：
  
  广东珠海金湾发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.16056/j.1005-7676.2018.02.026
  CLC： TM621.3
- Published：2018
- 稿件说明：
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[1]朱剑,吴志革,刘小锋.凝汽器真空度低的故障诊断及处理措施[J].能源研究与管理,2018(02):97-99+102.

朱剑, 吴志革, 刘小锋. Fault Diagnosis of Low Vacuum Degree of Condenser and Treatment Measures[J]. 2018, (2): 97-99+102.
[1]朱剑,吴志革,刘小锋.凝汽器真空度低的故障诊断及处理措施[J].能源研究与管理,2018(02):97-99+102. DOI： 10.16056/j.1005-7676.2018.02.026.

朱剑, 吴志革, 刘小锋. Fault Diagnosis of Low Vacuum Degree of Condenser and Treatment Measures[J]. 2018, (2): 97-99+102. DOI： 10.16056/j.1005-7676.2018.02.026.

摘要

以某厂600 MW燃煤机组为研究对象

针对凝汽器真空系统

分析在机组启动后真空度持续偏低的现象和原因。根据检查机组运行环境

分析轴封系统结构和影响

及时进行故障诊断和事故处理

将真空提高到最佳状态

保证机组安全经济运行。经过分析

易于引起凝汽器真空度低的原因主要有:负压部分阀门有漏

主机轴封供汽不足。针对以上原因采取了相关处理措施

并提出凝汽器真空系统的运行维护建议。

Abstract

Taking a 600 MW coal fired unit in a factory as the research object

aiming at the vacuum system of condenser

analysis of the phenomenon and cause of the low vacuum degree after the start of the unit. According to the inspection of the operating environment

analysis the structure and influence of the shaft seal system

fault diagnosis and accident treatment

raise the vacuum in time to the best state

ensure the safe and economical operation of the unit. After analysis

there are two main reasons for the low vacuum of the condenser: The negative pressure part valve leaks

Shortage of steam supply for the steam turbine. In view of the above reasons

the relevant treatment measures were taken

Suggestions for operation and maintenance of condenser vacuum system are put forward.

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