动力工程学报
動力工程學報
동력공정학보
JOURNAL OF POWER ENGINEERING
2012年
3期
177-181,186
,共6页
富氧燃烧%湿烟气循环%干烟气循环%排烟损失
富氧燃燒%濕煙氣循環%榦煙氣循環%排煙損失
부양연소%습연기순배%간연기순배%배연손실
oxy-fuel combustion%wet flue gas recirculation%dry flue gas recirculation%flue gas loss
以300MW富氧燃煤锅炉为例,详细计算并比较了不同烟气再循环方式下锅炉的排烟损失及辅机的功耗,分析了不同配置的烟气再循环方式对富氧燃煤锅炉系统经济性的影响.结果表明:FGD与DCC串联布置的湿烟气循环方式(二次循环烟气不脱硫也不脱水)锅炉的排烟损失最低(5.6%),辅机的功耗最高(14MW);单独DCC布置干烟气循环方式锅炉的排烟损失最高(7.56%),辅机的功耗最低(13.23MW).
以300MW富氧燃煤鍋爐為例,詳細計算併比較瞭不同煙氣再循環方式下鍋爐的排煙損失及輔機的功耗,分析瞭不同配置的煙氣再循環方式對富氧燃煤鍋爐繫統經濟性的影響.結果錶明:FGD與DCC串聯佈置的濕煙氣循環方式(二次循環煙氣不脫硫也不脫水)鍋爐的排煙損失最低(5.6%),輔機的功耗最高(14MW);單獨DCC佈置榦煙氣循環方式鍋爐的排煙損失最高(7.56%),輔機的功耗最低(13.23MW).
이300MW부양연매과로위례,상세계산병비교료불동연기재순배방식하과로적배연손실급보궤적공모,분석료불동배치적연기재순배방식대부양연매과로계통경제성적영향.결과표명:FGD여DCC천련포치적습연기순배방식(이차순배연기불탈류야불탈수)과로적배연손실최저(5.6%),보궤적공모최고(14MW);단독DCC포치간연기순배방식과로적배연손실최고(7.56%),보궤적공모최저(13.23MW).
Taking a 300 MW oxygen-enriched coal-fired boiler as an object of study,flue gas loss and auxiliary power consumption of the boiler were calculated and compared at different modes of flue gas recirculation,while influence of flue gas recirculation mode on economy of the boiler analyzed.Results show that in the series arrangement of FGD + DCC and at the wet flue gas recirculation mode(no dehydration or desulfurization applied in the second flue gas recirculation),the flue gas loss is the lowest(5.6%) and the auxiliary power consumption is the highest(14 MW);whereas in the arrangement of only DCC and at the dry flue gas recirculation mode,the flue gas loss is the highest(7.56%) and the auxiliary power consumption is the least(13.23 MW).