300MW机组锅炉“四管”泄漏检修分析

龙会国; 龙毅; 陈红冬

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300MW机组锅炉“四管”泄漏检修分析

热力发电 2010年39卷第4期页码：46-48

发电技术论坛 | 更新时间：2025-09-28

- 300MW机组锅炉“四管”泄漏检修分析
- ANALYSIS OF REPAIR WHEN LEAKAGE OCCURRED ON FOUR KINDS OF TUBES IN THE BOILER OF 300MW UNIT
- 作者机构：
  
  湖南省电力试验研究院
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TK228
- 纸质出版：2010
- 稿件说明：
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龙会国, 龙毅, 陈红冬. 300MW机组锅炉“四管”泄漏检修分析[J]. 热力发电, 2010,39(4):46-48.

LONG Huiguo, LONG Yi, CHEN HongdongHunan Provincial Electric Power Testing & Research Institute. ANALYSIS OF REPAIR WHEN LEAKAGE OCCURRED ON FOUR KINDS OF TUBES IN THE BOILER OF 300MW UNIT[J]. Thermal Power Generation, 2010, 39(4): 46-48.
龙会国, 龙毅, 陈红冬. 300MW机组锅炉“四管”泄漏检修分析[J]. 热力发电, 2010,39(4):46-48. DOI：

LONG Huiguo, LONG Yi, CHEN HongdongHunan Provincial Electric Power Testing & Research Institute. ANALYSIS OF REPAIR WHEN LEAKAGE OCCURRED ON FOUR KINDS OF TUBES IN THE BOILER OF 300MW UNIT[J]. Thermal Power Generation, 2010, 39(4): 46-48. DOI：

摘要

对300MW机组锅炉受热面存在的长期或短期过热、材料性能劣化及异种钢焊缝失效

穿墙管密封、磨损腐蚀等问题分别进行了分析

提出了加强锅炉部件内部构件检查防止异物造成管孔堵塞

避免炉墙密封护板与受热面管直接焊接

定期清理不锈钢弯头部位积灰等预防及检修措施。

Abstract

Directing against the problems existing on heating surface in boiler of 300 MW unit

such as over-temperature in long or short time

worsening of material's behavior

failure of weld-joints between different steels

as well as wall entrance tubes' seal

worn-out

and corrosion etc.

analysis has been carried out respectively

and preventive and repair measures

i.e.preventing foreign matters lead to blockage

avoiding direct welding on sealing protective plate of the furnace wall and on heating surface tubes

liquidating deposited ash to prevent worn-out and corrosion etc.

being put forward.

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