Monitoring model for fired coal quality in utility boilers based on flue gas components

LI Huijun; WANG Xiaofeng; ZHANG Yongsheng

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Monitoring model for fired coal quality in utility boilers based on flue gas components

更新时间：2025-09-28

- Monitoring model for fired coal quality in utility boilers based on flue gas components
- Thermal Power Generation Vol. 45, Issue 5, Pages: 74-78(2016)
- 作者机构：
  
  1. 华北电力大学能源与动力工程学院
  2. 国网河北省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2016
- 稿件说明：
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LI Huijun, WANG Xiaofeng, ZHANG Yongsheng. Monitoring model for fired coal quality in utility boilers based on flue gas components[J]. Thermal power generation, 2016, 45(5): 74-78.
DOI：

LI Huijun, WANG Xiaofeng, ZHANG Yongsheng. Monitoring model for fired coal quality in utility boilers based on flue gas components[J]. Thermal power generation, 2016, 45(5): 74-78. DOI：

摘要

为解决电站锅炉入炉煤质和发热量的实时在线监测问题

基于能量守恒原理、物质守恒原理和煤燃烧化学分析

利用煤质收到基元素的组成特性和锅炉排烟气体成分之间的对应关系

建立了基于锅炉排烟成分的电站锅炉入炉煤质监测模型

通过测量锅炉和磨煤机的运行参数以及模型计算实现了入炉煤质和发热量的实时在线监测。实际应用结果表明:基于锅炉排烟成分的电站锅炉入炉煤质监测模型得到的煤质收到基元素与试验煤样分析结果的相对误差在±5%以内

基本满足工程应用要求。

Abstract

On the basis of energy conservation principle

mass conservation principle and coal combustion chemical analysis

a fired coal quality monitoring model for utility boilers based on flue gas components was established by using the relationship between composition characteristics of coal elements as received and flue gas components.Through measuring the operational parameters of boiler and coal mill

and combing with the model calculation

this paper realized real-time online monitoring of fired coal quality and calorific values.The practical results show that

the relative error between the elements content calculated by the above model and that from the measurement is within ±5%

indicating the model this paper built satisfies the engineering application requirements.

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