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《Electrical Equipment》 2008-06
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Cause Analysis of Ash Blocking in Air Preheater and Preventive Measures

HAN Zhi-cheng~1 ZENG yan-feng~2 (1.Inner Mongolia Datang International Tuoketuo Power Generation Co.Ltd.,Huhhot 010020,China; 2.Fujian Zhangzhou Houshi Power Plant,Zhangzhou 363100,China)  
The ash blocking situation of air preheaters of three 600 MW boilers in Inner Mongolia Datang International Tuoketuo Power Generation Co.Ltd was briefed,the main causes of ash blocking of air preheaters(such as large departure of fuel coal characteristics of boilers from the designed value,uneasy and unsmooth ash conveying of economizer ash hopper etc.)were analyzed,and The relevant preventive measures(such as,to strengthen the comprehensive handling of air heater,to satisfy the required igniting energy amount as much as possible when the coal pulverizing system going into operation)were put forward,thus the forced outage of boiler problem due to the ash blocking of air preheaters was solved.
【CateGory Index】: TK223.34
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【References】
Chinese Journal Full-text Database 2 Hits
1 LIU Wei;SHU Jiwei;JIN Hongda;Heilongjiang Electric Power Research Institute;;Cause analysis and countermeasures of dust blocking in power plant boiler tubular air-preheaters[J];黑龙江电力;2014-01
2 Zhang Bao-wu,Cui Bo,Ma Jia-shuo(Inner Mongolia Datang International Tuoketuo Power Generation Co.Ltd.,Tuoketuo 010206,China);Ash Blocking Cause of 3-Bunker Revolving Ljungstrom Air Preheater and Processing Method[J];华北电力技术;2009-S1
【Co-references】
Chinese Journal Full-text Database 4 Hits
1 ZHANG Lin,LI Yang-chun Huaneng Changxing Power Generation Co Ltd,Changxing 313100,Zhejiang Province,PRC;CAUSES LEADING TO ASH CLOGGING IN AIR PREHEATER AND DISPOSAL MEASURES THEREOF[J];热力发电;2008-10
2 HAN Zhi-cheng~1 ZENG yan-feng~2 (1.Inner Mongolia Datang International Tuoketuo Power Generation Co.Ltd.,Huhhot 010020,China; 2.Fujian Zhangzhou Houshi Power Plant,Zhangzhou 363100,China);Cause Analysis of Ash Blocking in Air Preheater and Preventive Measures[J];电力设备;2008-06
3 Li Jian-hui (Datang International Tuoketuo Power Generation Co.Ltd.,Huhhot 010206,China);Cause Analysis of Ash Blocking in Air Preheater and Countermeasure[J];华北电力技术;2007-11
4 XIE Jian-yong1, DAI Cheng-feng2, YING Ming-liang3, YU Ji-an2, TU Xiao-bao21.Beilun Power Generation Co Ltd, Ningbo 315800, Zhejiang Province, PRC2.Guodian Beilun Power Generation Co Ltd No.1, Ningbo 315800, Zhejiang Province, PRC3.Zhejiang Provincial Electric Power Testing & Research Institute, Hangzhou 310014, Zhejiang Province, PRC;CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF[J];热力发电;2007-06
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 WU Shifu;SU Tiexiong;ZHANG Peihua;ZHAO Yaofang;School of Mechanical and Power Engineering,North China University;North China University;Shanxi Pingshuo Gangue Power Generation Company Limited;;CFB boiler SNCR denitrification system and analysis of common problems[J];黑龙江电力;2014-06
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