DIAGNOSTIC ANALYSIS OF TWO CAUSES LEADING TO BOILER OUTFIRE AND COUNTERMEASURES FOR SOLUTION THEREOF

XU Dangqi

doi:10.19666/j.rlfd.2003.11.020

English

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DIAGNOSTIC ANALYSIS OF TWO CAUSES LEADING TO BOILER OUTFIRE AND COUNTERMEASURES FOR SOLUTION THEREOF

Thermal Power Generation Issue 11, Pages: 65-66(2003)

更新时间：2025-09-28

- DIAGNOSTIC ANALYSIS OF TWO CAUSES LEADING TO BOILER OUTFIRE AND COUNTERMEASURES FOR SOLUTION THEREOF
- 作者机构：
  
  国电热工研究院,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2003.11.020
  CLC： TK227.1
- Published：2003
- 稿件说明：
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XU Dangqi. DIAGNOSTIC ANALYSIS OF TWO CAUSES LEADING TO BOILER OUTFIRE AND COUNTERMEASURES FOR SOLUTION THEREOF[J]. Thermal Power Generation, 2003, (11): 65-66.
DOI：

XU Dangqi. DIAGNOSTIC ANALYSIS OF TWO CAUSES LEADING TO BOILER OUTFIRE AND COUNTERMEASURES FOR SOLUTION THEREOF[J]. Thermal Power Generation, 2003, (11): 65-66. DOI： 10.19666/j.rlfd.2003.11.020.

摘要

分析了大武口发电厂 1号锅炉和华能北京热电厂 2号锅炉两类原因截然相反的锅炉灭火事件。在诊断试验的基础上

提出对氧量过大引起的灭火可采取降低一次风速和氧量

以及缩腰配风的运行方式 ;对严重缺氧引起的灭火可通过提高燃烧器出口过量空气系数、一次风煤比以及磨煤机出口风温解决。经过上述处理后这 2台锅炉再未发生过类似的灭火现象。

Abstract

Boiler outfire events due to two completely different causes occurred on boiler No.1 of Dawukou Power Plant and boiler No.2 of Huaneng Beijing Power Plant have been analysed. On the basis of diagnotic tests

their solution methods are suggested as follows: (1) for outfire due to excessive oxygen

the secondary air velocity and oxygen quantity can be lowered

and the operation mode of shrunkenwaist air distribution being adopted; (2) for outfire due to serious lack of oxygen

the coefficient of excess air at outlet of the burner

the ratio of primary air and fuel

as well as the air temperature at outlet of coal pulverizer can be enhanced. After adopting abovementioned measures

similar outfire events haven't again occurred on the two said boilers.

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