Failure Mechanism Analysis of Economizer Tube in a Power Plant

HU Xin; YU Kuang

doi:10.3969/J.ISSN.2095-3429.2017.06.009

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Failure Mechanism Analysis of Economizer Tube in a Power Plant

更新时间：2025-06-06

- Failure Mechanism Analysis of Economizer Tube in a Power Plant
- Vol. 38, Issue 6, Pages: 38-41(2017)
- 作者机构：
  
  华电电力科学研究院,浙江,杭州,310030
- 作者简介：
- 基金信息：
- DOI：10.3969/J.ISSN.2095-3429.2017.06.009
  CLC： TK223.3+3
- Online First：30 December 2017，
  
  Published：2017
- 稿件说明：
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HU Xin, YU Kuang. Failure Mechanism Analysis of Economizer Tube in a Power Plant[J]. 2017, 38(6): 38-41.
DOI：

HU Xin, YU Kuang. Failure Mechanism Analysis of Economizer Tube in a Power Plant[J]. 2017, 38(6): 38-41. DOI： 10.3969/J.ISSN.2095-3429.2017.06.009.

摘要

为了分析上级省煤器管泄露的失效机理

对该管子进行金相组织、力学性能、断口形貌及能谱成分分析。分析结果表明高速的粉煤灰气流对省煤器管壁的冲蚀作用是导致上级省煤器管频繁泄漏的最主要原因。

Abstract

In order to analyze the failure mechanism of the leakage of the the first economizer tube

the metallurgical structure

mechanical properties

fracture morphology and Energy Dispersion Spectrum(EDS) composition analysis of the tube were examined. The results show that the erosion of the economizer tube wall by high speed fly ash is the main cause of the frequent leakage of the first economizer tube.

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Related Author

Xinghe WANG

Ruichen ZHANG

Jun HE

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Related Institution

Huadian Electric Power Research Institute Co., Ltd.

China Huadian Corporation Ltd., Xicheng District

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