410t/h锅炉灭火原因诊断与分析

尚勇; 刘尧平; 朱志涛; 王红雨; 刘超

doi:10.19666/j.rlfd.2004.02.008

English

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410t/h锅炉灭火原因诊断与分析

热力发电 2004年第2期页码：23-26

更新时间：2025-09-28

- 410t/h锅炉灭火原因诊断与分析
- DIAGNOSIS AND ANALYSIS FOR CAUSE LEADING TO OUTFIRE OF A 410t/h BOILER
- 作者机构：
  
  1. 华能苏家湾发电有限责任公司
  2. 国电热工研究院,湖北,武汉,430082
  3. ,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.02.008
  中图分类号： TK227.1
- 纸质出版：2004
- 稿件说明：
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尚勇, 刘尧平, 朱志涛, 等. 410t/h锅炉灭火原因诊断与分析[J]. 热力发电, 2004,(2):23-26.

DIAGNOSIS AND ANALYSIS FOR CAUSE LEADING TO OUTFIRE OF A 410t/h BOILER[J]. Thermal Power Generation, 2004, (2): 23-26.
尚勇, 刘尧平, 朱志涛, 等. 410t/h锅炉灭火原因诊断与分析[J]. 热力发电, 2004,(2):23-26. DOI： 10.19666/j.rlfd.2004.02.008.

DIAGNOSIS AND ANALYSIS FOR CAUSE LEADING TO OUTFIRE OF A 410t/h BOILER[J]. Thermal Power Generation, 2004, (2): 23-26. DOI： 10.19666/j.rlfd.2004.02.008.

摘要

针对某台 4 10t/h锅炉多次发生的灭火事故

通过进行灭火诊断试验分析

认为其主要原因是部分给粉机入口挡板开度过小

导致这些给粉机在一定转速下出力不稳定

以及给粉机出力较大时风粉混合物温度偏低等。通过调整

锅炉炉内燃烧稳定

燃用贫煤时

2 2 0t/h负荷不投油连续稳定运行 4h

运行中未再发生类似原因的灭火事故

Abstract

In view of outfire phenomena have occurred many times in a 410t/h boiler

cause analysis through diagnosis test has been carried out. It is considered that the main causes are as follows: the opening degree of inlet baffle plate for some pulverized coal feeders was unduly small

resulting in unstable output of the said feeders under certain revolution speed

and in somewhat lower temperature of airfuel mixture as the output of pulverized coal feeders to be great. After adjustment

the combustion in furnace of the said boiler to be stable

and a load of 220 t/h can be maintained successfully in operation of four hours without oil injection in duration of burning low grade coal. In a whole year after the test

the outfire resulting from similar causes has never occurred again.

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