Dual staging adjustable low NO<sub>x</sub> combustion technology

WANG Chunchang; WANG Zhigang

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Dual staging adjustable low NO_x combustion technology

更新时间：2025-09-28

- Dual staging adjustable low NO_x combustion technology
- Thermal Power Generation Vol. 44, Issue 6, Pages: 102-105(2015)
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2015
- 稿件说明：
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WANG Chunchang, WANG Zhigang. Dual staging adjustable low NO_x combustion technology[J]. Thermal power generation, 2015, 44(6): 102-105.
DOI：

WANG Chunchang, WANG Zhigang. Dual staging adjustable low NO_x combustion technology[J]. Thermal power generation, 2015, 44(6): 102-105. DOI：

摘要

依据锅炉负荷与氧量的相关性探讨了锅炉运行氧量特性

并以此分析锅炉在低负荷下以SOFA技术运行时NOx排放质量浓度高的原因;同时

从理论上分析了燃料分级燃烧技术与锅炉低负荷工况特性相匹配的原因

在此基础上提出了双分级可调低NOx燃烧技术的设想。认为双分级可调低NOx燃烧技术通过一次风燃烧器沿炉膛高度上的布置方式而实现

通过再燃燃料的调节

可以使炉内燃烧方式在空气分级燃烧与燃料分级燃烧技术之间转换

避免了单一技术的某些固有弊端。该技术可实施性强

风险小

适用于大容量机组锅炉。

Abstract

On the basis of the correlation between boiler load and oxygen content

the operation oxygen content characteristics of the boiler was discussed

and the reason for high NOxemission when the boiler was running at low load with the SOFA technology was investigated.Moreover

why the fuel staging combustion technology is matched with the boiler low load operation condition was theoretically analyzed.On this basis

the dual staging adjustable low NOxcombustion technology was proposed

which can be realized by changing the locations of primary air burner along the furnace height direction.Through regulation of the reburned fuel

the furnace combustion can be switched between the air staging combustion and fuel staging combustion

thus the disadvantages of the pure air staging or fuel staging combustion can be avoided.This technology has well feasibility and low risk

therefore

it is suitable to be used in large scale unit boilers.

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Numerical simulation of combustion process in a tangentially pulverized-coal-fired boiler under variable load operation

STUDY ON NUMERICAL SIMULATION OF DECREASING NO_x EMISSION THROUGH RETROFITTING CORNER TANGENTIAL FIRING PULVERIIED COAL BOILER WITH SOFA

Numerical simulation on low-NO_x emission in a 600MW unit boiler with staged-air combustion

Low NO_x combustion transformation for a 300 MW unit tangentially fired boiler

燃烧系统暨燃烧器对NO_x排放量的影响

Related Author

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WANG Chao

ZHANG Xiaotao

WANG Aijun

QU Shixi

ZHOU Jun-hu

HE Pei

WANG Zhi-hua

Related Institution

School of Electric Power, North China University of Water Resources and Electric Power

Xinxiang Aviation Industry (Group) Co.,Ltd.

Shandong Electric Power Engineering Consulting Institute Co.,Ltd.

Zhejiang University

浙江大学

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Dual staging adjustable low NOx combustion technology

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Dual staging adjustable low NO_x combustion technology