Evaluation and suggestions for combustion system of a boiler before denitrification retrofit

BAI Jianhua; LIU Jixiang; WEI Jianpeng; HU Yingjiong; CHEN Jun

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Evaluation and suggestions for combustion system of a boiler before denitrification retrofit

更新时间：2025-09-28

- Evaluation and suggestions for combustion system of a boiler before denitrification retrofit
- Thermal Power Generation Vol. 42, Issue 9, Pages: 133-135(2013)
- 作者机构：
  
  甘肃省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2013
- 稿件说明：
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BAI Jianhua, LIU Jixiang, WEI Jianpeng, et al. Evaluation and suggestions for combustion system of a boiler before denitrification retrofit[J]. Thermal power generation, 2013, 42(9): 133-135.
DOI：

BAI Jianhua, LIU Jixiang, WEI Jianpeng, et al. Evaluation and suggestions for combustion system of a boiler before denitrification retrofit[J]. Thermal power generation, 2013, 42(9): 133-135. DOI：

摘要

通过对某电厂330MW机组增装脱硝系统和燃烧器改造前锅炉效率、NOx排放、空气预热器漏风、锅炉运行性能等进行准确的状态评价

为增装脱硝系统和燃烧器改造及设备选型提供依据。建议该机组在进行低氮燃烧器改造时

全面考虑各种影响因素

寻求最佳风量

并应将锅炉原设计煤种作为校核煤种之一予以考虑;在实施脱硝改造时

应根据空气预热器的构造特点采取有效措施

减小空气预热器漏风率。

Abstract

In order to provide references for adding denitration system and burner transformation and equipment selection

accurate state evaluation on such indices as boiler efficiency

NOx emission

air leakage from preheater and boiler operation performance were conducted for a 330 MW unit before denitration retrofit and burner transformation.Several suggestions for the transformation were presented

like comprehensively considering various factors to find the optimal air volume

regarding the original design coal as one of the check coals

taking effective measures to decrease the air leakage rate of air preheater according to the air preheater's structure

and so on.

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APPLICATION OF SOOTBLOWERS BASING ON LBR EXCITED WAVE ON BOILER NO.2 IN HEZE DOWER PLANT

RETROFIT OF THE STATIONARY-PLATE TYPE REGENERATIVE AIR HEATER FOR 350 MW UNIT

Low NO_x combustion transformation for a 300 MW unit tangentially fired boiler

DEMONSTRATION PROJECT OF RETROFITTING LOW NO_x BURNERS FOR 100 MW COAL-FIRED UNITS

Energy conservation analysis for waste heat utilization system applying air preheater and using primary air to heat condensate water

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