Study on Treatment of Expansion and Cracking of Heated Surface of The World′s First 600 MW Supercritical W-Type Flame Boiler

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- Study on Treatment of Expansion and Cracking of Heated Surface of The World′s First 600 MW Supercritical W-Type Flame Boiler
- Vol. 39, Issue 4, Pages: 38-40(2019)
- 作者机构：
  
  大唐华银金竹山火力发电分公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2019
- 稿件说明：
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[1]张正坤,龙和平.世界首台600 MW级超临界W型火焰锅炉受热面膨胀拉裂治理研究[J].湖南电力,2019,39(04):38-40.

ZHANG Zhengkun, LONG Heping. Study on Treatment of Expansion and Cracking of Heated Surface of The World′s First 600 MW Supercritical W-Type Flame Boiler[J]. 2019, 39(4): 38-40.
[1]张正坤,龙和平.世界首台600 MW级超临界W型火焰锅炉受热面膨胀拉裂治理研究[J].湖南电力,2019,39(04):38-40. DOI：

ZHANG Zhengkun, LONG Heping. Study on Treatment of Expansion and Cracking of Heated Surface of The World′s First 600 MW Supercritical W-Type Flame Boiler[J]. 2019, 39(4): 38-40. DOI：

针对一台超临界压力W火焰锅炉本体不同部位水冷壁膨胀拉裂问题

从水动力特性、炉膛温度场、屏间和鳍片温度方面进行分析故障原因

采取安装导向环、开设膨胀缝、优化预埋件结构等措施

解决了水冷壁频繁膨胀拉裂这一问题

提高了锅炉安全稳定性。

Aiming at the problem of expansion and cracking of water wall for a supercritical W-type flame boiler body

This paper introduces the reason of expansion cracking in different area of boiler heating surfaces from aspects of hydrodynamic characteristic

furnace temperature distribution

water-wall temperature distribution. The prevention measure of installing guide ring

opening expansion joint and optimizing embedded parts is proposed to solve the frequent expansion cracking

which promotes the boiler performance stability.

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