NO<i><sub>x</sub></i> Emission Prediction Model of Supercritical Circulating Fluidized Bed Boiler

GAO Mingming; LIU Botong; LIU Chun; WANG Yake; YUE Guangxi; {{custom_author.name_en}}

doi:10.13334/j.0258-8013.pcsee.242441

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NO_x Emission Prediction Model of Supercritical Circulating Fluidized Bed Boiler

更新时间：2026-06-11

- NO_x Emission Prediction Model of Supercritical Circulating Fluidized Bed Boiler
- Vol. 46, Issue 7, Pages: 2900-2911(2026)
- 作者机构：
  
  1. 新能源电力系统全国重点实验室(华北电力大学)，北京市昌平区,102206
  2. 烟台龙源电力技术股份有限公司,山东省,烟台市,264006
  3. 华能新能源股份有限公司，北京市海淀区,100036
  4. 热科学与动力工程教育部重点实验室(清华大学能源与动力工程系)，北京市海淀区,100084
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.242441
  CLC：
- Published：2026
- 稿件说明：
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GAO Mingming, LIU Botong, LIU Chun, et al. NO_x Emission Prediction Model of Supercritical Circulating Fluidized Bed Boiler[J]. 2026, 46(7): 2900-2911.
DOI：

GAO Mingming, LIU Botong, LIU Chun, et al. NO_x Emission Prediction Model of Supercritical Circulating Fluidized Bed Boiler[J]. 2026, 46(7): 2900-2911. DOI： 10.13334/j.0258-8013.pcsee.242441.

摘要

为减少超临界循环流化床(circulating fluidized bed，CFB)锅炉氮氧化物(NOx)的排放，通过机理分析，研究超临界CFB锅炉内NOx产生的动态过程。针对锅炉内不同的燃烧状态进行分区建模，建立锅炉不同区域的温度场、氧量和CO模型，从而建立超临界CFB锅炉的NOx排放预测模型。基于某350 MW超临界CFB锅炉的实际运行数据，在Simulink平台验证模型的结果，并进行模型阶跃试验。4段大范围变负荷的实验结果表明：NOx模型的输出与实际NOx的数据变化趋势较为一致；氧量的平均绝对误差在0.48%以内；NOx的平均绝对误差在6.67 mg/m3以内。后续的阶跃实验表明，模型的响应符合实际运行经验，证明建立的模型能够反应NOx的动态特性，为超临界CFB锅炉污染物的控制策略设计提供了基础。

Abstract

In order to reduce the emission of nitrogen oxides in supercritical CFB boiler

this paper studies the dynamic process of nitrogen oxides in supercritical CFB boiler by mechanism analysis. The temperature field

oxygen content and CO model of different regions of the boiler are established according to the different combustion states in the boiler

and the NOx emission prediction model of supercritical CFB boiler is established. Based on the actual operation data of a 350 MW supercritical CFB boiler

the results of the model are verified on the Simulink platform and the model step test is carried out. The experimental results of four large-scale load changes show that the output of the NOx model is consistent with the actual NOx data. The average absolute error of oxygen is within 0.48%

and the average absolute error of NOx is within 6.67 mg/m3. The subsequent step experiments show that the response of the model is in line with the actual operation experience

which proves that the established model can reflect the dynamic characteristics of NOx. It provides a basis for the control strategy design of supercritical CFB boiler pollutants.

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NOx Emission Prediction Model of Supercritical Circulating Fluidized Bed Boiler

DOI：10.13334/j.0258-8013.pcsee.242441

摘要

Abstract

关键词

Keywords

references

NO_x Emission Prediction Model of Supercritical Circulating Fluidized Bed Boiler