Emission characteristics of anthracite co-fired with biomass

ZHANG Chao; LU Guangwu

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Emission characteristics of anthracite co-fired with biomass

更新时间：2025-09-28

- Emission characteristics of anthracite co-fired with biomass
- Thermal Power Generation Vol. 43, Issue 9, Pages: 92-95(2014)
- 作者机构：
  
  1. 华北电力大学能源动力与机械工程学院
  2. 湖南华电常德发电有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK16
- Published：2014
- 稿件说明：
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ZHANG Chao, LU Guangwu. Emission characteristics of anthracite co-fired with biomass[J]. Thermal power generation, 2014, 43(9): 92-95.
DOI：

ZHANG Chao, LU Guangwu. Emission characteristics of anthracite co-fired with biomass[J]. Thermal power generation, 2014, 43(9): 92-95. DOI：

摘要

为了研究无烟煤掺烧生物质燃烧产物的排放特性

应用卧式单脚炉燃烧试验系统对燃烧产物排放特性进行了研究

分析了炉温、混合比例等参数对污染物排放特性的影响。结果表明:全木屑燃烧速度最快

火焰最高温度位置提前;增加木屑掺烧比例

可以促进混合燃料的着火

但会使炉膛整体燃烧温度降低;当过量空气系数由1.2降至0.9且煤与木屑掺烧比例为9∶1时

炉膛整体燃烧温度上升

火焰高温区靠近燃烧器附近;混合燃料易燃性增强

降低了燃烧中的CO含量;木屑的加入使燃料燃烧特性增强

氧气耗量增大

从而会形成弱还原气氛

有助于降低燃烧中NOx的生成。

Abstract

The horizontal single foot furnace combustion test system was employed to carry out emission characteristics study on combustion and co-combustion of biomass and anthracite.The effect of furnace temperature and mixing ratio on emissions characteristics was investigated.The results show that:the wood had the fastest burning rate

its peak flame temperature moved in advance;increasing the sawdust proportion can promote ignition of the mixture but reduce the overall combustion temperature;when the excess air coefficient decreased from 1.2to 0.9

the overall combustion temperature increased and the flame temperature zone moved in advance.The flammability of the mixed fuel enhanced

which reduced the CO content during combustion;addition of the sawdust enhanced the combustion

consumed a large amount of oxygen

thus to form a weak reducing atmosphere to help reduce the formation of NOx.

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