APPLICATION OF NEW TYPE DUAL-STAGED LOW NO<sub>x</sub> STRAIGHT FLOW BURNERS

DONG Yong1; YAN Xianglin2; MIN Hongbin2; ZHOU Hongguang2; WANG Huajian2 1.Wangting Power Plant

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APPLICATION OF NEW TYPE DUAL-STAGED LOW NO_x STRAIGHT FLOW BURNERS

更新时间：2025-09-28

- APPLICATION OF NEW TYPE DUAL-STAGED LOW NO_x STRAIGHT FLOW BURNERS
- Thermal Power Generation Vol. 41, Issue 3, Pages: 55-57(2012)
- 作者机构：
  
  1. 望亭发电厂
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.23
- Published：2012
- 稿件说明：
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DONG Yong1, YAN Xianglin2, MIN Hongbin2, et al. APPLICATION OF NEW TYPE DUAL-STAGED LOW NO_x STRAIGHT FLOW BURNERS[J]. Thermal power generation, 2012, 41(3): 55-57.
DOI：

DONG Yong1, YAN Xianglin2, MIN Hongbin2, et al. APPLICATION OF NEW TYPE DUAL-STAGED LOW NO_x STRAIGHT FLOW BURNERS[J]. Thermal power generation, 2012, 41(3): 55-57. DOI：

摘要

双分级低NOx直流燃烧器(DSB)可以在不受输煤管道最低风速限制的条件下实现一次风煤粉浓度和风速的调节

提高了锅炉的煤种适应性和低负荷稳燃能力

同时降低NOx排放。在某台1 025t/h切圆燃烧锅炉上的应用结果表明

该燃烧器与空气分级燃烧技术结合

可以降低NOx排放量约30%

飞灰可燃物的增加幅度小于1%

排烟温度的变化小于3℃

锅炉效率变化小于0.1%

具有良好的应用前景。

Abstract

By using the dual-staged low NOx straight flow burners

the regulation of puverized coal concentration in primary air and velocity of primary air can be realized without limitation of minimum velocity of pulverized coal in the conveying pipeline

at the same time of enhancing the adaptability of boiler to coal sorts and heigtening the combustion stabilizing capability of boiler under low load

the emission of NOx can also be reduced.The results of application on one 1 025 t/h boiler with tangential firing show that the combination of said new type burners with air-staged combustion can reduce NOx emission by 30%

the increased amplitude of combustibles in fly ash being less than 1%

the variation of discharged flue gas temperature being less than 3 ℃

the variation of boiler efficiency being less than 0.1%

boasting good prospect of utilization.

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APPLICATION OF NEW TYPE DUAL-STAGED LOW NOx STRAIGHT FLOW BURNERS

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摘要

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APPLICATION OF NEW TYPE DUAL-STAGED LOW NO_x STRAIGHT FLOW BURNERS