Study on Low-nitrogen Combustion and SNCR Combined Denitrification System of CFB Boiler Under Ultra-low Emission Situation

WANG Fengji; WANG Dong; FENG Qianwei

doi:10.3969/J.ISSN.2095-3429.2017.05.002

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Study on Low-nitrogen Combustion and SNCR Combined Denitrification System of CFB Boiler Under Ultra-low Emission Situation

更新时间：2026-01-28

- Study on Low-nitrogen Combustion and SNCR Combined Denitrification System of CFB Boiler Under Ultra-low Emission Situation
- Vol. 38, Issue 5, Pages: 6-10(2017)
- 作者机构：
  
  华电电力科学研究院,浙江,杭州,310030
- 作者简介：
- 基金信息：
- DOI：10.3969/J.ISSN.2095-3429.2017.05.002
  CLC： TM621.2
- Published Online：30 October 2017，
  
  Published：2017
- 稿件说明：
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WANG Fengji, WANG Dong, FENG Qianwei. Study on Low-nitrogen Combustion and SNCR Combined Denitrification System of CFB Boiler Under Ultra-low Emission Situation[J]. 2017, 38(5): 6-10.
DOI：

WANG Fengji, WANG Dong, FENG Qianwei. Study on Low-nitrogen Combustion and SNCR Combined Denitrification System of CFB Boiler Under Ultra-low Emission Situation[J]. 2017, 38(5): 6-10. DOI： 10.3969/J.ISSN.2095-3429.2017.05.002.

摘要

对某厂2号CFB锅炉进行超低排放改造前的摸底试验

诊断锅炉原燃烧系统和SNCR脱硝系统存在的问题

并提出优化改造方案。该项目的实践表明:CFB锅炉通过深度优化改造低氮燃烧和SNCR联合脱硝系统后能够满足高、中负荷段NOx超低排放要求

但在低负荷下

特别是实际燃用煤质较差

且严重偏离设计煤质时仍有较大超排风险。

Abstract

Experiments were performed to investigate the problems of the existing combustion system and the SN-CR system of a CFB boiler before the ultra-low pollutants emission reconstruction

and made the plan.The practice of the project has proved that CFB boiler can meet the re-quirement of NOx ultra-low emission under the high or middle load after the reconstruction.But under the low load

especially the actual coal quality seriously deviated from the designed coal quality when there is still a large risk.

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Related Institution

Key Laboratory for Thermal Science and Power Engineering of Ministry of Education (Tsinghua University), Haidian District

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