INFLUENCE OF OVER-FIRED AIR ADJUSTMENT IN BOILER FOR IMPORTED ULTRA-SUPECRITICAL 600 MW UNIT UPON NO<sub>x</sub> EMISSION AND ECONOMIC EFFICIENCY IN OPERATION OF THE BOILER

LIU Qi1; L Guo-qiang1; YU Cun-xi1; ZHANG Yue-hai21.Xi'an Thermal Power Research Institute Co Ltd

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INFLUENCE OF OVER-FIRED AIR ADJUSTMENT IN BOILER FOR IMPORTED ULTRA-SUPECRITICAL 600 MW UNIT UPON NO_x EMISSION AND ECONOMIC EFFICIENCY IN OPERATION OF THE BOILER

Thermal Power Generation Vol. 38, Issue 9, Pages: 52-53(2009)

更新时间：2025-09-28

- INFLUENCE OF OVER-FIRED AIR ADJUSTMENT IN BOILER FOR IMPORTED ULTRA-SUPECRITICAL 600 MW UNIT UPON NO_x EMISSION AND ECONOMIC EFFICIENCY IN OPERATION OF THE BOILER
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 杭州质量技术监督检测院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2009
- 稿件说明：
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LIU Qi1, L Guo-qiang1, YU Cun-xi1, et al. INFLUENCE OF OVER-FIRED AIR ADJUSTMENT IN BOILER FOR IMPORTED ULTRA-SUPECRITICAL 600 MW UNIT UPON NO_x EMISSION AND ECONOMIC EFFICIENCY IN OPERATION OF THE BOILER[J]. Thermal Power Generation, 2009, 38(9): 52-53.
DOI：

LIU Qi1, L Guo-qiang1, YU Cun-xi1, et al. INFLUENCE OF OVER-FIRED AIR ADJUSTMENT IN BOILER FOR IMPORTED ULTRA-SUPECRITICAL 600 MW UNIT UPON NO_x EMISSION AND ECONOMIC EFFICIENCY IN OPERATION OF THE BOILER[J]. Thermal Power Generation, 2009, 38(9): 52-53. DOI：

摘要

某电厂超超临界600MW机组锅炉飞灰可燃物含量较高

实测空气预热器进口CO含量高达3276μL/L

锅炉效率实测值90.96%

低于锅炉设计效率(93.3%)。对此

进行了关小U附加风门

L附加风门和燃尽风门以及开大周界风门的燃烧调整。调整后

飞灰可燃物含量降低了约50%

烟气中CO含量大幅降低

锅炉效率提高超过2个百分点。

Abstract

With regard to the boiler for ultra-supercritical 600 MW unit in one power plant

the unburned combustibles content in fly ash is higher

the actually measured CO content at inlet of the air preheater is up to 3 276 μL/L

the measured value of boiler efficiency is 90.96%

being less than the designed value of 93.3%.For this

combustion adjustment has been carried out under three operating conditions.After adjustment

the content of unburned combustibles in fly ash decreases 50%

the CO content in flue gas reduces by a big margin

and the boiler efficiency enhances by 2 percentage points.

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INFLUENCE OF OVER-FIRED AIR ADJUSTMENT IN BOILER FOR IMPORTED ULTRA-SUPECRITICAL 600 MW UNIT UPON NOx EMISSION AND ECONOMIC EFFICIENCY IN OPERATION OF THE BOILER

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摘要

Abstract

关键词

Keywords

references

INFLUENCE OF OVER-FIRED AIR ADJUSTMENT IN BOILER FOR IMPORTED ULTRA-SUPECRITICAL 600 MW UNIT UPON NO_x EMISSION AND ECONOMIC EFFICIENCY IN OPERATION OF THE BOILER