CHARACTERISTIC ANALYSIS OF TUBE-BURST OCCURRED ON HEATING SURFACE OF THE WATER-WALL IN 300 MW CFB BOILER

DONG Zhi-qian; ZHENG Tian-yang; CHENG Zhong-hui; WU YeDatang Honghe Power Generation Co Ltd

doi:10.19666/j.rlfd.2007.07.026

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CHARACTERISTIC ANALYSIS OF TUBE-BURST OCCURRED ON HEATING SURFACE OF THE WATER-WALL IN 300 MW CFB BOILER

更新时间：2025-09-28

- CHARACTERISTIC ANALYSIS OF TUBE-BURST OCCURRED ON HEATING SURFACE OF THE WATER-WALL IN 300 MW CFB BOILER
- Thermal Power Generation Issue 7, Pages: 89-90(2007)
- 作者机构：
  
  大唐红河发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.07.026
  CLC： TK223.31
- Published：2007
- 稿件说明：
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DONG Zhi-qian, ZHENG Tian-yang, CHENG Zhong-hui, et al. CHARACTERISTIC ANALYSIS OF TUBE-BURST OCCURRED ON HEATING SURFACE OF THE WATER-WALL IN 300 MW CFB BOILER[J]. Thermal power generation, 2007, (7): 89-90.
DOI：

DONG Zhi-qian, ZHENG Tian-yang, CHENG Zhong-hui, et al. CHARACTERISTIC ANALYSIS OF TUBE-BURST OCCURRED ON HEATING SURFACE OF THE WATER-WALL IN 300 MW CFB BOILER[J]. Thermal power generation, 2007, (7): 89-90. DOI： 10.19666/j.rlfd.2007.07.026.

摘要

介绍了300 MW机组循环流化床(CFB)锅炉水冷壁爆管的情况。分析认为1号炉左侧冷渣器锥形阀压缩空气吹扫手动门不严

2号炉水冷壁延伸墙鳍片漏焊、未清除临时焊件

以及热风与物料的长期冲刷是爆管的主要原因。对此

提出了相应的处理和预防措施。

Abstract

The situation of tube-burst occurred on the water-wall of 300 MW circulating fluidized bed(CFB) boilers has been presented.It is believed from analysis that the main causes are as follows:(1) untightness of the hand-operated valve for purging the tapered valve of slag-cooler at the right side of boiler no.1 by using compressed air;(2) unwelded fins of extended wall on the water-wall of boiler no.2;(3)the temporary weldments haven't removed;(4) long term scouring by hot air and other materials.For these

corresponding treatment and preventive measures have been put forward.

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