Application of improved HT-NR3 swirl burner in supercritical and ultra supercritical unit boilers

ZHOU Ping; ZHANG Guangcai; XU Yong; LIU Runhua

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Application of improved HT-NR3 swirl burner in supercritical and ultra supercritical unit boilers

Thermal Power Generation Vol. 44, Issue 5, Pages: 91-97(2015)

更新时间：2025-09-28

- Application of improved HT-NR3 swirl burner in supercritical and ultra supercritical unit boilers
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能陕西秦岭发电有限公司
  3. 江苏华电句容发电有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.23
- Published：2015
- 稿件说明：
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ZHOU Ping, ZHANG Guangcai, XU Yong, et al. Application of improved HT-NR3 swirl burner in supercritical and ultra supercritical unit boilers[J]. Thermal Power Generation, 2015, 44(5): 91-97.
DOI：

ZHOU Ping, ZHANG Guangcai, XU Yong, et al. Application of improved HT-NR3 swirl burner in supercritical and ultra supercritical unit boilers[J]. Thermal Power Generation, 2015, 44(5): 91-97. DOI：

摘要

以2台超(超)临界机组锅炉为例

介绍了改进型HT-NR3旋流燃烧器的运行特点及燃烧调整试验结果

分析了其配风参数对锅炉运行经济性及环保性能的影响

并针对旋流对冲燃烧锅炉普遍存在的尾部CO浓度高、侧墙水冷壁高温腐蚀、燃烧器喷口结渣、左右两侧汽温及氧量偏差大等问题

提出了对主燃烧器内二次风口及外旋流风叶片开度、燃尽风燃烧器外旋流风及内直流风口开度、两侧风箱挡板开度等的调整措施

以实现旋流低氮燃烧器的高效、低污染燃烧。

Abstract

Taking two(ultra)supercritical boilers as the examples

operating characteristics of the improved HT-NR3 swirl burner and its combustion adjustment test results were presented.The effects of air distribution parameters on boiler operating economy and pollutant emissions were discussed.Moreover

against the widespread problems of swirl burner

such as high CO concentrations

high temperature corrosion of water wall

combustor nozzle slagging

steam temperature and oxygen deviations

corresponding regulations were proposed to improve the boiler efficiency and reduce pollutant emissions

like on the internal secondary air flow of main burner

the opening degree of external swirl damper in the main burner

the external swirl damper of SOFA burner

internal direct air flow of SOFA burner and two side dampers of wind box.

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