Low NOx combustion reformation and operation adjustment in 600 MW tangential firing boiler

doi:10.11930/j.issn.1004-9649.2012.4.54.4

Electric Power ›› 2012, Vol. 45 ›› Issue (4): 54-58.DOI: 10.11930/j.issn.1004-9649.2012.4.54.4

• Generation Technology • Previous Articles Next Articles

Low NO_x combustion reformation and operation adjustment in 600 MW tangential firing boiler

YING Ming-liang, PAN Guo-qing, DAI Cheng-feng, XU Liang, XU Chang, HU Wei-feng, XU Zhong-xiong, TU Xiao-bao

1. Zhejiang Electric Power Test Research Institute,Hangzhou 310014, China;
2. Guodian Zhejiang Beilun No.1 Power Generation Co., Ltd., Ningbo 315800, China

Received:2011-10-20 Revised:2012-01-08 Online:2012-04-18 Published:2016-02-29

Abstract

Abstract: The air-staged and low NO_x combustion technology in a 600 MW tangential firing boiler was researched. The comparison of nitrogen oxide emission concentration before and after the reformation was analyzed. The results show that the NO_x emission concentration of boiler was reduced obviously. The NO_x emission concentration was reduced about 50% when the unit load was over 350 MW. The results of the operation adjustment test show that the SOFA air flow, auxiliary air damper opening, secondary air box and furnace differential pressure have larger influence on NO_x emission.

Key words: tangential firing, boiler, low NOx combustion reformation, operation adjustment

CLC Number:

TK16

YING Ming-liang, PAN Guo-qing, DAI Cheng-feng, XU Liang, XU Chang, HU Wei-feng, XU Zhong-xiong, TU Xiao-bao. Low NO_x combustion reformation and operation adjustment in 600 MW tangential firing boiler[J]. Electric Power, 2012, 45(4): 54-58.

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Low NO_x combustion reformation and operation adjustment in 600 MW tangential firing boiler

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