TEST STUDY ON STATIC RELATIONSHIP BETWEEN RADIANT ENERGY SIGNAL AND ABSORBED HEAT IN A BOILER

LI Xiao-bo; ZHOU Huai-chun; LUO Zi-xue; ZHOU Yun(Central China University of Science & Technology

doi:10.19666/j.rlfd.2007.01.007

English

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TEST STUDY ON STATIC RELATIONSHIP BETWEEN RADIANT ENERGY SIGNAL AND ABSORBED HEAT IN A BOILER

Thermal Power Generation Issue 1, Pages: 24-28(2007)

更新时间：2025-09-28

- TEST STUDY ON STATIC RELATIONSHIP BETWEEN RADIANT ENERGY SIGNAL AND ABSORBED HEAT IN A BOILER
- 作者机构：
  
  华中科技大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.01.007
  CLC： TK221
- Published：2007
- 稿件说明：
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LI Xiao-bo, ZHOU Huai-chun, LUO Zi-xue, et al. TEST STUDY ON STATIC RELATIONSHIP BETWEEN RADIANT ENERGY SIGNAL AND ABSORBED HEAT IN A BOILER[J]. Thermal Power Generation, 2007, (1): 24-28.
DOI：

LI Xiao-bo, ZHOU Huai-chun, LUO Zi-xue, et al. TEST STUDY ON STATIC RELATIONSHIP BETWEEN RADIANT ENERGY SIGNAL AND ABSORBED HEAT IN A BOILER[J]. Thermal Power Generation, 2007, (1): 24-28. DOI： 10.19666/j.rlfd.2007.01.007.

摘要

通过三维温度场监控系统采集某300 MW机组燃煤锅炉燃烧火焰图像

计算得到炉膛燃烧的辐射能信号

并根据锅炉运行参数计算了锅内过程不同阶段的吸热量。计算表明

除空气预热器外

在(200~300)MW负荷范围内

辐射能信号与锅炉不同阶段的吸热量均呈线性变化。把辐射能的微分信号引入到锅炉过热器的减温调节系统后

使过热蒸汽温度最大偏差3℃

取得了良好的实际调节控制效果。

Abstract

The flame image of combustion in a boiler for 300 MW unit has been acquired through three dimentional temperature field monitoring system

and the radiant energy signal of combustion in the furnace being obtained from calculation

and the absorbed heat in different stages of process in the boiler being calculated on the basis of boiler operation parameters.The calculation shows that the radiant energy signal and the absorbed heat in different stages of process in the boiler all to be linear variation in the range of load 200~300 MW

not including the air preheater.After introducing differential signal of radiant energy into desuperheating system of the superheater

the maximal deviation of superheated steam temperature is3℃

abtaining good effectiveness in practical control.

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