CAUSE ANALYSIS OF SPACING TUBE BURST ON PLATEN SUPERHEATER OF ONE SUPERCRITICAL BOILER AND COUNTERMEASURES THEREOF

WEN Zhi-hua1; SHANG Hai-jun2; YANG Hang-bing11.Huaneng Reijin Power Plant

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CAUSE ANALYSIS OF SPACING TUBE BURST ON PLATEN SUPERHEATER OF ONE SUPERCRITICAL BOILER AND COUNTERMEASURES THEREOF

Thermal Power Generation Vol. 39, Issue 1, Pages: 58-60(2010)

更新时间：2025-09-28

- CAUSE ANALYSIS OF SPACING TUBE BURST ON PLATEN SUPERHEATER OF ONE SUPERCRITICAL BOILER AND COUNTERMEASURES THEREOF
- 作者机构：
  
  1. 华能瑞金电厂
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.32
- Published：2010
- 稿件说明：
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WEN Zhi-hua1, SHANG Hai-jun2, YANG Hang-bing11.Huaneng Reijin Power Plant. CAUSE ANALYSIS OF SPACING TUBE BURST ON PLATEN SUPERHEATER OF ONE SUPERCRITICAL BOILER AND COUNTERMEASURES THEREOF[J]. Thermal Power Generation, 2010, 39(1): 58-60.
DOI：

WEN Zhi-hua1, SHANG Hai-jun2, YANG Hang-bing11.Huaneng Reijin Power Plant. CAUSE ANALYSIS OF SPACING TUBE BURST ON PLATEN SUPERHEATER OF ONE SUPERCRITICAL BOILER AND COUNTERMEASURES THEREOF[J]. Thermal Power Generation, 2010, 39(1): 58-60. DOI：

摘要

华能瑞金电厂新建1号超临界350 MW机组锅炉屏式过热器间隔管两次爆管

分析认为主要原因是间隔管在末级过热器出口汇集集箱上的2个接管未开孔

致使管内蒸汽流动不畅

造成管子短时超温所致。对此

提出了对集箱、管子内部清洁度进行检查

运行中密切监测、防止超温等措施

实施后效果良好

有效地控制了爆管的再次发生。

Abstract

The spacing tube burst had occurred two times on platen superheater of supercritical boiler no.1 newly constructed in Huaneng Reijin Power Plant.It is believed from analysis that the main causo was the two spacing tubes connected to the final-stage superheater's outlet heater hadn't cutout to make opening

resulting in unsmooth flow of steam and short-time overtemperature of the tubes.For this

some measures

such as insepecting cleanness in headers and tubes

closely monitoring in operation

preventing overtemperature of the tubes etc.

have been put forward.After adaptation

the result is good

the occurrence of similar tube burst being effectively controlled.

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