TUBE END LEAKAGE OF HEAT EXCHANGER TUBES IN HIGH-PRESSURE HEATER AND APPLICATION OF HELIUM MASS SPECTROMETER IN LEAKAGE DETECTION

ZHANG Wei-ke1; LI Bo21.Xi'an Thermal Power Research Institute Co Ltd

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TUBE END LEAKAGE OF HEAT EXCHANGER TUBES IN HIGH-PRESSURE HEATER AND APPLICATION OF HELIUM MASS SPECTROMETER IN LEAKAGE DETECTION

Thermal Power Generation Vol. 39, Issue 2, Pages: 98-100(2010)

更新时间：2025-09-28

- TUBE END LEAKAGE OF HEAT EXCHANGER TUBES IN HIGH-PRESSURE HEATER AND APPLICATION OF HELIUM MASS SPECTROMETER IN LEAKAGE DETECTION
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能丹东电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.7
- Published：2010
- 稿件说明：
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ZHANG Wei-ke1, LI Bo21.Xi'an Thermal Power Research Institute Co Ltd. TUBE END LEAKAGE OF HEAT EXCHANGER TUBES IN HIGH-PRESSURE HEATER AND APPLICATION OF HELIUM MASS SPECTROMETER IN LEAKAGE DETECTION[J]. Thermal Power Generation, 2010, 39(2): 98-100.
DOI：

ZHANG Wei-ke1, LI Bo21.Xi'an Thermal Power Research Institute Co Ltd. TUBE END LEAKAGE OF HEAT EXCHANGER TUBES IN HIGH-PRESSURE HEATER AND APPLICATION OF HELIUM MASS SPECTROMETER IN LEAKAGE DETECTION[J]. Thermal Power Generation, 2010, 39(2): 98-100. DOI：

摘要

分析了在役U形管式高压加热器(高加)换热管管口容易泄漏的原因

并对管口泄漏检查常规方法的优缺点进行了评价。通过实例

介绍了氦质谱检漏技术在高加换热管管口泄漏检查上的应用。应用表明

氦质谱检漏技术能够很好地解决高加换热管管口泄漏的查漏难题

具有快速、准确的特点

并且避免了对高加换热管的漏堵和误堵

可提高高加运行的安全性和可靠性。

Abstract

The causes of tube end leakage easily occurred on heat-exchanger tubes in u-shaped tube high-pressure heaters in service have been analysed

and the advantages and disadvantages of conventional methods used for detection of tube end leakage being evaluated.Through practical examples

the application of helium mass spectrometer in tube end leakage detection of high-pressure heaters has been presented.Application shows that the leakage detection technology using the helium mass spectrometer can very well solve the difficult problems in detection of tube end leakage occurred on heat-exchanger tubes of the high-pressure heater

having rapid and accurate features

avoiding lose-plugging and mis-plugging for the heat exchanger tubes in high-pressure heaters

enhancing safety and reliability in operation of the high-pressure heaters.

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