煤粉炉掺烧芦竹NO

刘凌; 陈祺; 郝建材; 陆利俊; 许香婷; 王长安; 柳明; 杜勇博; 车得福

doi:10.19666/j.rlfd.202504072

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煤粉炉掺烧芦竹NO

更新时间：2026-03-24

- 煤粉炉掺烧芦竹NO
- Thermal Power Generation Vol. 55, Issue 3, Pages: 100-109(2026)
- 作者机构：
  
  1. 上海上电漕泾发电有限公司
  2. 西安交通大学绿色氢电全国重点实验室
  3. 上海发电设备成套设计研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202504072
  CLC： X773;TM61
- Published：2026
- 稿件说明：
移动端阅览
[1]刘凌,陈祺,郝建材,等.煤粉炉掺烧芦竹NO_x生成特性模拟研究[J].热力发电,2026,55(03):100-109.
[1]刘凌,陈祺,郝建材,等.煤粉炉掺烧芦竹NO_x生成特性模拟研究[J].热力发电,2026,55(03):100-109. DOI： 10.19666/j.rlfd.202504072.

DOI：10.19666/j.rlfd.202504072.

摘要

燃煤耦合生物质发电是燃煤机组有效降碳的技术之一，芦竹作为典型的能源植物具有产量高、环境适应性强、热值高等特点，可以大规模用于燃煤机组发电。为研究煤粉炉在燃煤过程中掺烧芦竹对NOx排放的影响，探究煤和芦竹混燃过程中燃料氮的迁移路径，利用两段PFR构建了芦竹与煤混燃反应模型，研究了煤粉炉掺烧芦竹NOx生成特性与反应机理，重点探讨了掺混比例、燃尽风率和燃尽风位置等因素对NOx生成特性的影响规律。结果表明：掺烧芦竹可以降低NOx排放，且随着掺混比例的增加，NOx的质量浓度逐渐减小；随着燃尽风率的增加，NOx的转化率和NOx的质量浓度先减小后增大，存在一个最佳燃尽风率(33%)使NOx排放量最低；随着燃尽风位置的后置，NOx转化率和NOx质量浓度都减小。通过研究煤和芦竹混燃过程中NOx生成特性及氮的迁移路径，为燃煤机组掺烧芦竹发电过程中的参数设置和降低尾气NOx排放提供理论指导。

Abstract

Coal-fired power generation coupled with biomass is one of the efficient carbon-reduction technologies for coal-fired units. As a typical energy plant

arundo donax has the characteristics of high yield

strong environmental adaptability and high calorific value

and can be used for large-scale coal-fired power generation. To investigate the effect of co-firing arundo donax in a pulverized-coal boiler on NOx emissions and explore the migration pathways of fuel nitrogen during the co-combustion of coal and arundo donax

a co-combustion reaction model of arundo donax and coal was established with a two-stage plug flow reactor(PFR). The formation characteristics and reaction mechanisms of nitrogen oxides during co-combustion of the arundo donax and coal in a pulverized-coal boiler were studied

focusing on exploring the influences of co-firing ratio

over-fire air(OFA) ratio

and OFA position on the formation characteristics of nitrogen oxides. The results show that the NOx emission can be reduced by co-firing arundo donax

and the mass concentration of NOx decreases with the increase in cofiring ratio of arundo donax. The NOx conversion rate and NOx mass concentration first decrease and then increase with the increase in over-fire air ratio

and there is an optimal over-fire air ratio(around 33%) to minimize NOx emissions. Delaying the position of the OFA leads to a decrease in both the NOx conversion rate and NOx mass concentration. By studying the NOx formation characteristics and the nitrogen migration pathways during cocombustion of coal and arundo donax

theoretical guidance can be provided for parameter setting and reducing exhaust NOx emissions in the co-combustion of arundo donax for coal-fired power generation.

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