Comparative study on blended coal combustion and performance test for two domestic 300MW CFB boilers

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Comparative study on blended coal combustion and performance test for two domestic 300MW CFB boilers

Thermal Power Generation Vol. 43, Issue 1, Pages: 41-45(2014)

更新时间：2025-09-28

- Comparative study on blended coal combustion and performance test for two domestic 300MW CFB boilers
- 作者机构：
  
  国电科学技术研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2014
- 稿件说明：
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NING Xinyu. Comparative study on blended coal combustion and performance test for two domestic 300MW CFB boilers[J]. Thermal Power Generation, 2014, 43(1): 41-45.
DOI：

NING Xinyu. Comparative study on blended coal combustion and performance test for two domestic 300MW CFB boilers[J]. Thermal Power Generation, 2014, 43(1): 41-45. DOI：

摘要

以新投产的2台国产300MW循环流化床(CFB)锅炉为研究对象

对混煤掺烧

钙硫摩尔比以及负荷变化对脱硫效率、SO2和NOx排放特性的影响进行了试验研究。结果表明:在混煤掺烧中

随着煤质热值的降低

锅炉热效率呈降低趋势;随着钙硫摩尔比的提高

脱硫效率呈增大趋势

但钙硫摩尔比超过3.0后

脱硫效率变化不大

同时SO2呈降低趋势

NOx排放浓度呈增大趋势;锅炉在80%负荷时

锅炉热效率最高

随着负荷的降低

SO2和NOx排放浓度均呈降低趋势。

Abstract

Taking two domestic 300MW CFB boilers in a power plant as the research object

the effect of blended coal combustion

Ca/S mole ratio and load variation on desulfurization efficiency and emission characteristics of SO2 and NOx were experimentally investigated.The results show that

during the blended coal combustion

the boiler efficiency fell with the coal's heat value;the desulfurization efficiency increased with the Ca/S mile ratio

but will change little when the Ca/S mole ratio excessed 3.0;with the Ca/S mole ratio increased

the SO2 emission dropped

while the NOx emission rose;the boiler efficiency reached the highest when the unit was at 80% BMCR load;the emission of both SO2 and NOx decreased with the unit load.

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